WATER SOUCE SYSTEM WATER SOUCE SYSTEM WATER SOUCE SYSTEM Technical - - PowerPoint PPT Presentation

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WATER SOUCE SYSTEM WATER SOUCE SYSTEM WATER SOUCE SYSTEM Technical - - PowerPoint PPT Presentation

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WATER SOUCE SYSTEM WATER SOUCE SYSTEM WATER SOUCE SYSTEM Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Content I

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

WATER SOUCE SYSTEM WATER SOUCE SYSTEM WATER SOUCE SYSTEM

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

  • I ntroduction to Water Source System

I ntroduction to Water Source System

  • General Benefit of Water Source System

General Benefit of Water Source System

  • Product Lineup

Product Lineup

  • Product (WH, 5WSS, WSS)

Product (WH, 5WSS, WSS)

  • Features

Features

  • Handset

Handset

  • PCB

PCB

  • Control Algorithm

Control Algorithm

  • Selft

Selft Diagnosis & Troubleshooting Diagnosis & Troubleshooting

  • I nstallation

I nstallation

Content

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

INTRODUCTION to Water Source System

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

Introduction:

What is Water Source Heat Pump?

Finned-tube heat exchanger Water inlet Water

  • utlet

4 Way Valve Compressor Expansion device Water-to- refrigerant heat exchanger

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

  • 1. Water Loop Heat Pump System
  • 2. Ground Water Heat Pump System
  • 3. Surface Water Heat Pump System
  • 4. Ground Coupled Heat Pump System

Water Source System Categories

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

Water Loop Heat Pump Water Loop Heat Pump

  • Most common configuration

Most common configuration

  • Re

Re-

  • circulating water loop

circulating water loop

  • Cooling tower & boiler

Cooling tower & boiler

Water Source System Categories

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

Ground Water Heat Pump Ground Water Heat Pump

  • Ground water from well

Ground water from well

  • Drained back to well,

Drained back to well, drain, stream or lake drain, stream or lake

  • Stable throughout the year

Stable throughout the year

  • Limited by availability of

Limited by availability of water table and aquifers in water table and aquifers in the ground the ground

Water Source System Categories

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

Surface Water Heat Pump Surface Water Heat Pump

  • Open or close loop

Open or close loop

  • Open

Open – – water being water being returned back to source or returned back to source or drain drain

  • Closed

Closed – – water being re water being re-

  • circulated in the closed

circulated in the closed loop loop

  • Stable throughout the year

Stable throughout the year

Water Source System Categories

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

Ground Coupled Water Heat Pump Ground Coupled Water Heat Pump

  • HE is buried into the earth

HE is buried into the earth

  • Installation cost is high

Installation cost is high

  • Massive & stable thermal capacity

Massive & stable thermal capacity

Water Source System Categories

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

Water Loop Heat Pump System

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

cooling tower cooling tower pumps pumps plate plate-

  • and

and-

  • frame

frame heat exchanger heat exchanger heat pumps heat pumps water water distribution distribution loop loop boiler boiler expansion expansion tank tank air air separator separator

Water Loop Heat Pump System

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

32 32º ºC C [90 [90º ºF] F] heat pumps in heat pumps in cooling mode cooling mode cooling cooling tower ON tower ON boiler off boiler off

Summer Operation Summer Operation

Water Loop Heat Pump System

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

Winter Operation Winter Operation

heat pumps in heat pumps in heating mode heating mode 16 16º ºC C [60 [60º ºF] F] boiler on boiler on cooling cooling tower OFF tower OFF

Water Loop Heat Pump System

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

Water Loop Heat Pump System

Spring and Fall Operation Spring and Fall Operation

boiler off boiler off

heat pumps in heat pumps in heating mode heating mode heat pumps in heat pumps in cooling mode cooling mode cooling tower cooling tower OFF OFF

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

General Benefits of a Water Source System General Benefits of a Water Source System

  • Heat recovery offers energy savings

Heat recovery offers energy savings

  • Individual space control

Individual space control

  • Performs both cooling and heating

Performs both cooling and heating

  • Flexibility

Flexibility – – additional of heat pump additional of heat pump

  • Individual tenant metering
  • Small amount of floor space required

Small amount of floor space required

  • Unit failure does not affect the rest of the system

Unit failure does not affect the rest of the system

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

Product Lineup & Features

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

Package Type

  • Horizontal WSHP, WH-B/BR series
  • Vertical WSHP, WV-A/AR series

Split Type

  • WSS & 5WSS series + Various Indoor

Product Lineup

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

R410A Water Source Split, 5WSS-AR

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

5CCWS 10/ 15/ 20/ 25/ 30/ 40/ 50/ 60 CR 5CCWS 10/ 15/ 20/ 25/ 30/ 40/ 50/ 60 CR 5CCWS 10/ 15/ 20/ 25/ 30/ 40/ 50/ 60 CR 5WMWS 10/ 15/ 20/ 25 GR 5WMWS 10/ 15/ 20/ 25 GR 5WMWS 10/ 15/ 20/ 25 GR 5CKWS 20/ 25/ 30/ 40/ 50 AR 5CKWS 20/ 25/ 30/ 40/ 50 AR 5CKWS 20/ 25/ 30/ 40/ 50 AR 5CKWS 10/ 15/ 20 CR 5CKWS 10/ 15/ 20 CR 5CKWS 10/ 15/ 20 CR

R410A Water Source Split

5WSS – AR Series 5WSS 5WSS – – AR Series AR Series

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

  • 1. Features
  • 1. Features

1.1 Product Information 1.1 Product Information 1.2 Wide Range of Indoor 1.2 Wide Range of Indoor 1.3 Compact & Low Height Profile 1.3 Compact & Low Height Profile 1.4 Less Vibration Design 1.4 Less Vibration Design 1.5 Zero ODP Refrigerant 1.5 Zero ODP Refrigerant 1.6 Part Loading Capability 1.6 Part Loading Capability – – Tandem Type Tandem Type 1.7 Centralize Control & Networking 1.7 Centralize Control & Networking

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

R410A Water Source Split

1.1 Product Introduction 1.1 Product Introduction

  • Heat pump Only

Heat pump Only

  • Split Type

Split Type

  • Capacity: 2.37kW

Capacity: 2.37kW – – 15.77kW 15.77kW

  • 8,100 Btu/hr to 53,800 Btu/hr

8,100 Btu/hr to 53,800 Btu/hr

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

5WSS 07/ 10/ 15/ 16/ 20/ 25/ 30/ 40/ 50/ 60 AR 5WSS 07/ 10/ 15/ 16/ 20/ 25/ 30/ 40/ 50/ 60 AR 5WSS 07/ 10/ 15/ 16/ 20/ 25/ 30/ 40/ 50/ 60 AR

10 10 20 20 30 30 40 40 50 50 60 60 Btu/hr x 103 Btu/hr x 103 2.93 2.93 5.86 5.86 8.79 8.79 14.65 14.65 17.59 17.59 11.72 11.72 kW kW

Product Name Product Name

R410A Water Source Split

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

1.2 Wide Range of Indoor Option 1.2 Wide Range of Indoor Option

  • 1. Features
  • 1. Features
  • Wall Mounted

Wall Mounted : 1 hp to 2.5 hp : 1 hp to 2.5 hp

  • Ceiling Cassette

Ceiling Cassette -

  • A

A : 2 hp to 5 hp : 2 hp to 5 hp

  • Ceiling Cassette

Ceiling Cassette -

  • C

C : 1 hp to 2 hp : 1 hp to 2 hp

  • Ceiling Concealed

Ceiling Concealed : 1 hp to 6 hp : 1 hp to 6 hp

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

1.3 Compact & Low Height Profile 1.3 Compact & Low Height Profile

  • 1. Features
  • 1. Features

~ 30% volume metric reduction

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

1.4 Less Vibration Design 1.4 Less Vibration Design

  • 1. Features
  • 1. Features
  • Double isolation Panel

Double isolation Panel

  • Reduce noise and vibration transmission

Reduce noise and vibration transmission

Upper Panel Lower Panel Compressor Grommet

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

1.5 Zero ODP Refrigerant 1.5 Zero ODP Refrigerant

  • 1. Features
  • 1. Features
  • In line with Montreal Protocol.

In line with Montreal Protocol.

1.6 Part Loading Capability 1.6 Part Loading Capability

  • Compared to 5WSS series, 5WST series is having the part

Compared to 5WSS series, 5WST series is having the part loading capability during the low load condition, which loading capability during the low load condition, which resulting in good SEER, Seasonal EER. resulting in good SEER, Seasonal EER.

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

1.7 Centralize Control by Using NIMPC or 1.7 Centralize Control by Using NIMPC or Smart Manager/ Smart Manager/ HydroIntel HydroIntel

  • 1. Features
  • 1. Features
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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

2.1 Handset 2.1 Handset

  • 2. Handset & PCB
  • 2. Handset & PCB

WM WM : G11/G12 : G11/G12 CK CK : G7/G8 : G7/G8 CC CC : SLM3 : SLM3

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

  • 3. Control Algorithm
  • 3. Control Algorithm

3.1 System & Mode Selection 3.1 System & Mode Selection 3.2 Features 3.2 Features 3.3 Operating Mode 3.3 Operating Mode 3.4 Protection 3.4 Protection

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Modes can be selected via the value of resistor RFAN through sli Modes can be selected via the value of resistor RFAN through slide de switch. switch.

  • 3. Control Algorithm
  • 3. Control Algorithm

3.1 System Selection 3.1 System Selection – – 5WMWS 5WMWS

7K5 DX 22K Single 110K Multi split

ROPT2 System

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

Modes can be selected via the value of resistor RMODE Modes can be selected via the value of resistor RMODE

3.1 MODE Selection 3.1 MODE Selection – – 5WMWS 5WMWS

110K

  • Cool > Dry > Fan >

EC 22K

  • Auto > Cool > Dry > Fan > Heat >

AT 7K5 C2.3 version Auto > Cool > Dry > Fan > Heat > AP 3K C2.4 version Auto > Cool > Dry > Fan > Heat > AP

RMODE Defrost Modes Models

  • 3. Control Algorithm
  • 3. Control Algorithm
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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

  • 3. Control Algorithm
  • 3. Control Algorithm

Modes can be selected via the value of resistor ROPT2 Modes can be selected via the value of resistor ROPT2

3.1 System Selection 3.1 System Selection – – 5CCWS & 5CKWS 5CCWS & 5CKWS

Open DX 7K5 Single Shorted Tandem

ROPT2 System

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

  • 3. Control Algorithm
  • 3. Control Algorithm

Modes can be selected via the value of resistor RMODE Modes can be selected via the value of resistor RMODE

3.1 MODE Selection 3.1 MODE Selection – – 5CCWS, 5CKWS 5CCWS, 5CKWS

110K

  • Cool > Dry > Fan >

EC 22K

  • Auto > Cool > Dry > Fan > Heat >

AT 7K5 C2.3 version Auto > Cool > Dry > Fan > Heat > AP 3K C2.4 version Auto > Cool > Dry > Fan > Heat > AP

RMODE Defrost Modes Models

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

3.2.1 Auto Random Restart 3.2.1 Auto Random Restart

  • Auto random restart at the last state memory setting

Auto random restart at the last state memory setting

  • Shorted at

Shorted at J_LST J_LST jumper at main board jumper at main board

  • Remove the jumper to have non

Remove the jumper to have non-

  • auto restart

auto restart

3.2 Features 3.2 Features

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

J_LST J_LST Auto Random Restart Auto Random Restart

3.2 Features 3.2 Features

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

Power Up Settings Power Up Settings

Power Up Power Up J_LST Shorted J_LST Shorted J_LST Opened J_LST Opened

User Set Mode User Set Mode User Set Temperature User Set Temperature User Set Fan Speed User Set Fan Speed Mode = COOL Mode = COOL Set Temperature = 24˚C Set Temperature = 24˚C Fan Speed = HIGH Fan Speed = HIGH

3.2 Features 3.2 Features

SWING OFF SWING OFF

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

3.2.2 Unit ON / OFF 3.2.2 Unit ON / OFF

3 ways to turn on / off the system: 3 ways to turn on / off the system: (a) On/Off Triggering (a) On/Off Triggering

  • Emergency On/Off Button

Emergency On/Off Button

  • System mode setting will rotate in the following

System mode setting will rotate in the following sequence sequence Heat pump Heat pump …… …….>COOL>HEAT>OFF> .>COOL>HEAT>OFF>… ….. .. Cooling Cooling …… …….>COOL>OFF> .>COOL>OFF>…… ……. .

  • On/Off button on handsets

On/Off button on handsets

3.2 Features 3.2 Features

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

3.2 Features

3.2.2 Unit ON / OFF 3.2.2 Unit ON / OFF

(b) Delay timer (b) Delay timer

  • Pressing the On/Off will reset the timer to 0 hour

Pressing the On/Off will reset the timer to 0 hour (c) Real time On/Off Timer (c) Real time On/Off Timer

  • Based on internal real time clock

Based on internal real time clock

  • The timer settings are kept so that similar switches can

The timer settings are kept so that similar switches can

  • ccur 24 hours later.
  • ccur 24 hours later.
  • If emergency ON/OFF switch being press, then the timer

If emergency ON/OFF switch being press, then the timer will be reset. will be reset.

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

3.2 Features

3.2.3 Sleep Function 3.2.3 Sleep Function

  • Only available for COOL, HEAT & AUTO mode

Only available for COOL, HEAT & AUTO mode

  • This function will increase (cooling mode) or decrease

This function will increase (cooling mode) or decrease (Heating mode) the set temperature with time (Heating mode) the set temperature with time

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

3.2.3 Sleep Function (Cool Mode) 3.2.3 Sleep Function (Cool Mode)

SLEEP set on SLEEP set on SLEEP set off SLEEP set off

Ts Ts Ts + 1/2 Ts + 1/2 Ts + 1 Ts + 1 Ts + 2 Ts + 2 0 1/2 1/2 1 1 2 2

Hours Hours

3.2 Features

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

3.2 Features

SLEEP set on SLEEP set on SLEEP set off SLEEP set off

Ts Ts Ts Ts -

  • 3

3 Ts Ts -

  • 2

2 Ts Ts -

  • 1

1 0 1/2 1/2 1 1 2 2

Hours Hours

3.2.3 Sleep Function (Heat Mode) 3.2.3 Sleep Function (Heat Mode)

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

  • Indoor fan speeds are

Indoor fan speeds are LOW, MEDIUM, HIGH LOW, MEDIUM, HIGH or

  • r AUTO FAN

AUTO FAN in in COOL, HEAT COOL, HEAT and and AUTO AUTO modes. modes.

  • In

In FAN mode FAN mode, only , only HIGH, MEDIUM HIGH, MEDIUM and and LOW LOW speeds are allowed. speeds are allowed.

3.2 Features

3.2.4 Indoor Fan Control 3.2.4 Indoor Fan Control

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

  • The IONIZER can be

turned ON when indoor fan is ON.

  • The IONIZER will OFF

when indoor fan is OFF.

3.2 Features

3.2.5 IONIZER Control 3.2.5 IONIZER Control

Ionizer Ionizer Capacitor Capacitor

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

  • Available in COOL, HEAT and DRY modes only.
  • When TURBO function is set, indoor fan will force to HIGH for

20 minutes and working temperature for

  • Cooling Cycle is Ts – 2˚C
  • Heating Cycle is Ts + 2˚C

3.2 Features

3.2.6 TURBO Function 3.2.6 TURBO Function

  • If TURBO & Sleep function activated, Sleep function timer will

reset until TURBO function is clear.

Set Temperature 20min 30min TURBO Function Conventional Time

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

3.3. Operating Mode 3.3. Operating Mode

3.3.1 Cool Mode 3.3.1 Cool Mode 3.3.2 Heat Mode 3.3.2 Heat Mode 3.3.3 Auto Fan 3.3.3 Auto Fan 3.3.4 AUTO Mode 3.3.4 AUTO Mode 3.3.5 Defrost Function 3.3.5 Defrost Function 3.3.6 Dry Mode 3.3.6 Dry Mode

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

  • Compressor will cut in if Tr – Ts > 0.5˚C
  • Compressor will cut out if Tr < Ts – 1.0˚C

Note: Tr = Room Temperature Ts = Set Temperature

3.3 Operating Modes

3.3.1 Cool Mode 3.3.1 Cool Mode

24°C 25°C 26°C 22°C 23°C 24.5°C 23°C

ON OFF

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

3.3.2 Heat Mode 3.3.2 Heat Mode

3.3 Operating Modes

  • Compressor will cut in if Tr – Ts < 1.0˚C
  • Compressor will cut out if Tr –Ts > 3.5˚C

Note: Tr = Room Temperature Ts = Set Temperature

3.3.2.1 Heat Pump Model 3.3.2.1 Heat Pump Model

24°C 25°C 26°C 22°C 23°C 27.5°C 23°C

OFF ON

27°C

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

  • The indoor fan speed modulate according to the Tin coil:
  • If Tin coil > 40˚C, indoor fan run at user set speed
  • If Tin coil < 18˚C, indoor fan stop
  • If Tin coil crosses 30˚C, indoor fan change to low speed

Note : T Note : Tin coil

in coil = Indoor Coil Temperature

= Indoor Coil Temperature

3.3 Operating Modes

3.3.2 Heat Mode 3.3.2 Heat Mode

3.3.2.2 Hot Start 3.3.2.2 Hot Start

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

  • 2 selection available at the slide switch

2 selection available at the slide switch – – ON/OFF ON/OFF

  • Factory Preset at

Factory Preset at OFF OFF option

  • ption

3.3 Operating Modes 3.3 Operating Modes

3.3.2 Heat Mode 3.3.2 Heat Mode

3.3.2.3 Hot Keep 3.3.2.3 Hot Keep

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump When compressor cuts out, the indoor fan will runs according When compressor cuts out, the indoor fan will runs according to hot keep options. to hot keep options. There are 2 options of Hot Keep: There are 2 options of Hot Keep: (a) Fan On Option (a) Fan On Option (b) Fan Off Option (b) Fan Off Option

3.3 Operating Modes

3.3.2 Heat Mode 3.3.2 Heat Mode

3.3.2.3 Hot Keep 3.3.2.3 Hot Keep

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump (a) Fan On Option (a) Fan On Option

  • Thermostat Cycle Cut OFF

Thermostat Cycle Cut OFF

  • If T

If Tin coil

in coil > 40

> 40˚ ˚C, indoor fan run at set speed C, indoor fan run at set speed

  • If T

If Tin coil

in coil crosses 37

crosses 37˚ ˚C, indoor fan run at low speed C, indoor fan run at low speed

  • If T

If Tin coil

in coil < 18

< 18˚ ˚C, indoor fan stop C, indoor fan stop

3.3 Operating Modes

3.3.2 Heat Mode 3.3.2 Heat Mode

3.3.2.3 Hot Keep 3.3.2.3 Hot Keep

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump (b) Fan Off Option (b) Fan Off Option

  • If T

If Tin coil

in coil > 40

> 40˚ ˚C, indoor fan run at set speed C, indoor fan run at set speed

  • If T

If Tin coil

in coil crosses 37

crosses 37˚ ˚C, indoor fan run at low speed C, indoor fan run at low speed

  • If T

If Tin coil

in coil < 30

< 30˚ ˚C, indoor fan stop C, indoor fan stop

3.3 Operating Modes 3.3 Operating Modes

3.3.2 Heat Mode 3.3.2 Heat Mode

3.3.2.3 Hot Keep 3.3.2.3 Hot Keep

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

  • To run heat mode, 4

To run heat mode, 4-

  • way valve MUST turn ON.

way valve MUST turn ON.

  • 4

4-

  • way valve can only be changed from ON to OFF or vice

way valve can only be changed from ON to OFF or vice-

  • versa

versa 55 +/ 55 +/-

  • 5 seconds after the compressor has cut out.

5 seconds after the compressor has cut out.

  • Compressor cut in after 4s.

Compressor cut in after 4s.

3.3 Operating Modes 3.3 Operating Modes

3.3.2 Heat Mode 3.3.2 Heat Mode

3.3.2.4 4 3.3.2.4 4-

  • Way valve Changing

Way valve Changing

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

  • Cool Mode

Cool Mode

3.3 Operating Modes 3.3 Operating Modes

3.3.3 Auto Fan 3.3.3 Auto Fan

AUTO Fan Speed during COOL mode AUTO Fan Speed during COOL mode

H M L M H M L L M H M L M H M L L M H H

COMP ON COMP OFF COMP O COMP ON COMP OFF COMP ON N

+1.5 +1.5 +1.0 +1.0 +0.5 +0.5 T Ts

s

  • 0.5

0.5

  • 1.0

1.0

  • C

C T Tr

r

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

  • Heat Mode

Heat Mode

3.3 Operating Modes 3.3 Operating Modes

3.3.3 Auto Fan 3.3.3 Auto Fan

T Tr

r

AUTO Fan Speed during HEAT mode AUTO Fan Speed during HEAT mode

M H M L M H M L M H M L M H M L +3.5 +3.5 +3.0 +3.0 +2.0 +2.0 +1.0 +1.0 T Ts

s

  • C

C

COMP COMP OFF OFF COMP ON COMP ON COMP COMP OFF OFF

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Under Auto mode, COOL & HEAT mode can be changed Under Auto mode, COOL & HEAT mode can be changed automatically depending on room & set temperature. automatically depending on room & set temperature.

3.3 Operating Modes 3.3 Operating Modes

3.3.4 AUTO Mode 3.3.4 AUTO Mode

COOL COOL HEAT HEAT I) I) T Tr

r <= T

<= Ts

s -

  • 3.5

3.5° °C AND C AND II) II) The compressor has cut out for at least 10 min The compressor has cut out for at least 10 min. .

IF IF

(a) If the present Auto mode is COOL, (a) If the present Auto mode is COOL, ( M ( Mode Set Temperature = User Set Temperature)

  • de Set Temperature = User Set Temperature)
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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

3.3.4 AUTO Mode 3.3.4 AUTO Mode

(b) If the present Auto mode is HEAT, (b) If the present Auto mode is HEAT, ( M ( Mode Set Temperature = User Set Temperature)

  • de Set Temperature = User Set Temperature)

HEAT HEAT COOL COOL

IF IF

I) I) T Tr

r > T

> Ts

s + 3

+ 3° °C AND C AND II) II) The compressor has cut out for at least 10 min The compressor has cut out for at least 10 min. .

3.3 Operating Modes 3.3 Operating Modes

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

3.3.5 Defrost Mode 3.3.5 Defrost Mode

  • Can only be operate through HEAT mode

Can only be operate through HEAT mode

  • ‘

‘Defrost Timer Defrost Timer’ ’ start counting when the OD coil sensor measured start counting when the OD coil sensor measured below +3 below +3 o

  • C

C

  • Upon crossing + 5

Upon crossing + 5 o

  • C

C to a higher temperature for 150 seconds, to a higher temperature for 150 seconds, the timer will be reset (this timer is also reset after defro the timer will be reset (this timer is also reset after defrost mode) st mode)

  • The temperature sensing can only be done when the compressor

The temperature sensing can only be done when the compressor run time > 2 minutes run time > 2 minutes

3.3 Operating Modes 3.3 Operating Modes

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3.3.5 Defrost Mode 3.3.5 Defrost Mode

The likelihood of ice frosting: The likelihood of ice frosting:

1/2 1 2

Hours

  • C

C

+3 +2

  • 2
  • 4
  • 6
  • 8

Defrost Mode trigger if Defrost Mode trigger if >3 min >3 min

To To

3.3 Operating Modes 3.3 Operating Modes

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

3.3.5 Defrost Mode 3.3.5 Defrost Mode

  • During Defrost Cycle, HEAT LED will blink

During Defrost Cycle, HEAT LED will blink

  • The defrost cycle will terminate if:

The defrost cycle will terminate if:

  • a. temperature of outdoor coil sensor exceeds
  • a. temperature of outdoor coil sensor exceeds +10

+10 o

  • C

C OR OR

  • b. a minimum of
  • b. a minimum of 10 min

10 min compressor run time is achieved compressor run time is achieved

3.3 Operating Modes 3.3 Operating Modes

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3.3.5 Defrost Mode 3.3.5 Defrost Mode

OD fan OD fan & 4WV & 4WV ON ON OFF OFF ON ON OFF OFF COMP COMP

Defrost Cycle Defrost Cycle 15 +/ 15 +/-

  • 5 sec

5 sec

Defrost Cycle Defrost Cycle

3.3 Operating Modes 3.3 Operating Modes

20 sec 20 sec

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3.3.6 Dry Mode 3.3.6 Dry Mode

During the 1 During the 1st

st 12 minutes

12 minutes

  • Run under COOL mode with Auto Fan Speed for 12 minutes

Run under COOL mode with Auto Fan Speed for 12 minutes OR OR

  • Run Until

Run Until T Tr

r < T

< Ts

s –

– 1 1° °C C After the 1 After the 1st

st 12 minutes

12 minutes

  • Run either Zone A, B, C or D (depend on temp. condition)

Run either Zone A, B, C or D (depend on temp. condition)

3.3 Operating Modes 3.3 Operating Modes

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3.3.6 Dry Mode 3.3.6 Dry Mode

ZONE A ZONE A : if : if T Tr

r -

  • T

Ts

s > 2

> 2 o

  • C

C

12 Minutes 12 Minutes

3.3 Operating Modes 3.3 Operating Modes

Compressor Compressor Low Fan Low Fan ON ON OFF OFF ON ON OFF OFF

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

3.3.6 Dry Mode 3.3.6 Dry Mode

ZONE B ZONE B : : if 0 if 0° °C < T C < Tr

r -

  • T

Ts

s < 1

< 1° °C C

8 min 8 min 4 min 4 min 30 sec 30 sec 30 sec 30 sec

ON ON OFF OFF ON ON OFF OFF 12 Minutes 12 Minutes

3.3 Operating Modes 3.3 Operating Modes

Compressor Compressor Low Fan Low Fan

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

3.3.6 Dry Mode 3.3.6 Dry Mode

ZONE C ZONE C : : if 1 if 1° °C < T C < Ts

s -

  • T

Tr

r < 2

< 2° °C C

30 sec 30 sec 30 sec 30 sec

12 Minutes 12 Minutes

6 min 6 min 6 min 6 min

3.3 Operating Modes 3.3 Operating Modes

ON ON OFF OFF ON ON OFF OFF Compressor Compressor Low Fan Low Fan

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3.3.6 Dry Mode 3.3.6 Dry Mode

ZONE D ZONE D : : if if T Ts

s -

  • T

Tr

r > 3

> 3° °C C

Low Fan Low Fan Compressor Compressor

30 sec 30 sec

12 Minutes 12 Minutes ON ON OFF OFF ON ON OFF OFF

3.3 Operating Modes 3.3 Operating Modes

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3.4 Protections 3.4 Protections

3.4.1 Compressor 3.4.1 Compressor 3.4.2 Indoor Coil Anti Freeze 3.4.2 Indoor Coil Anti Freeze 3.4.3 EWT Control 3.4.3 EWT Control 3.4.4 Self Diagnostics 3.4.4 Self Diagnostics

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3.4 Protections

3.4.1 Compressor 3.4.1 Compressor

(a) 3 minutes Minimum OFF time (a) 3 minutes Minimum OFF time Memory backup option not selected Memory backup option not selected (J_LST Opened) (J_LST Opened)

  • Compressor can immediately cut in after the power supply is

Compressor can immediately cut in after the power supply is restore; subject to thermostat cut in mode. restore; subject to thermostat cut in mode. Memory backup option selected Memory backup option selected (J_LST Shorted) (J_LST Shorted)

  • Compressor can cut in 0 to 64 seconds after the power supply

Compressor can cut in 0 to 64 seconds after the power supply is restore; subject to thermostat cut in mode. is restore; subject to thermostat cut in mode.

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

3.4 Protections

3.4.1 Compressor 3.4.1 Compressor

(b) 150 seconds Minimum Run Time (b) 150 seconds Minimum Run Time (c) Overload Protection (c) Overload Protection COOL, AUTO COOL and DRY COOL, AUTO COOL and DRY

OD coil temp OD coil temp

Comp & OD Fan Comp & OD Fan 68 68 o

  • C

C ON ON OFF OFF HEAT, AUTO HEAT HEAT, AUTO HEAT

ID coil temp ID coil temp

Comp, OD Fan Comp, OD Fan & 4WV & 4WV 68 68 o

  • C

C ON ON OFF OFF

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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump (d) Hardware Switch Detection (d) Hardware Switch Detection

  • Normally closed switch

Normally closed switch

  • A counter is increased by one during the first thermostat

A counter is increased by one during the first thermostat cycle cycle

  • Counter will reset after 3 minutes or unit turned off

Counter will reset after 3 minutes or unit turned off

  • If counter > 5, the unit will declare compressor overload

If counter > 5, the unit will declare compressor overload protection protection

3.4 Protections 3.4 Protections

3.4.1 Compressor 3.4.1 Compressor

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3.4 Protections

3.4.2 Indoor Coil Anti Freeze 3.4.2 Indoor Coil Anti Freeze

Available in COOL and DRY mode Available in COOL and DRY mode

  • IF

IF ID Coil Temp reaches 1 ID Coil Temp reaches 1° °C and below for at least 1 min C and below for at least 1 min AND AND compressor has run for at least 10 minutes compressor has run for at least 10 minutes 1 1o

  • C

C Comp & OD Fan Comp & OD Fan OFF OFF ON ON 10 10o

  • C

C Comp & OD Fan Comp & OD Fan OFF OFF ON ON

  • IF

IF ID Coil Temp reached 10 ID Coil Temp reached 10˚ ˚C and above for at least 1 min C and above for at least 1 min

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3.4 Protections

Under COOL, DRY or Auto COOL Modes, Under COOL, DRY or Auto COOL Modes,

  • Compressor will NOT run and alarm will be activated

Compressor will NOT run and alarm will be activated

  • IF

IF T Tw

w ≤

≤ 13 13° °C or C or T Tw

w ≥

≥ 40 40° °C for at least 20 seconds C for at least 20 seconds

  • Compressor will shut down and alarm will be activated

Compressor will shut down and alarm will be activated

  • IF compressor has been running for 20 seconds and

IF compressor has been running for 20 seconds and T Tw

w > 47

> 47° °C for 20 seconds C for 20 seconds

  • Compressor will run and alarm will be deactivated

Compressor will run and alarm will be deactivated

  • IF 13

IF 13° °C C ≤ ≤ T Tw

w ≤

≤ 40 40° °C C

3.4.3 Water Temperature Control 3.4.3 Water Temperature Control

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Under HEAT or Auto HEAT Modes, Under HEAT or Auto HEAT Modes,

  • Compressor will NOT run and alarm will be activated

Compressor will NOT run and alarm will be activated

  • IF

IF T Tw

w ≤

≤ 10 10° °C or C or T Tw

w ≥

≥ 35 35° °C for at least 20 seconds C for at least 20 seconds

  • Compressor will shut down and alarm will be activated

Compressor will shut down and alarm will be activated

  • IF compressor has been running for 20 seconds and

IF compressor has been running for 20 seconds and T Tw

w < 6

< 6° °C for 20 seconds C for 20 seconds

  • Compressor will run and alarm will be deactivated

Compressor will run and alarm will be deactivated

  • IF 10

IF 10° °C C ≤ ≤ T Tw

w ≤

≤ 35 35° °C C

3.4 Protections

3.4.3 Water Temperature Control 3.4.3 Water Temperature Control

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3.4 Protections 3.4 Protections

3.4.4 Self Diagnostics 3.4.4 Self Diagnostics

Blink E9 Blink Cool & Sleep Blink 5 times Outdoor water fault 10 Blink E8 Blink Heat, Cool, follow by Fan, Dry Blink 6 times Hardware error (tact switch pin short) 9 Blink E7 Blink Cool & Heat Blink 5 times Outdoor coil sensor exist (MS model) 8 Blink Heat Outdoor defrost 7 Blink E6 Blink Cool & Fan Blink 2 times Water pump fault 6 Blink E5 Blink Cool & Dry Blink 3 times Gas leak 5 Blink E4 Blink Cool Blink 1 time Compressor overload/ Indoor coil sensor short/ Outdoor coil/water sensor short 4 Blink E3 Blink Dry

  • Blink 3 times

Outdoor coil/water sensor open 3 Blink E2 Blink Sleep

  • Blink 2 times

Indoor coil sensor open 2 Blink E1 Blink Fan

  • Blink 1 time

Room sensor open or short 1 Error code Error code Other Other LEDs LEDs Timer LED Timer LED CDF LED CDF LED Event Event

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  • 4. Installation
  • 4. Installation

4.1 Hanging the Unit 4.1 Hanging the Unit 4.2 Location of Hanging 4.2 Location of Hanging 4.3 Refrigerant Piping 4.3 Refrigerant Piping 4.4 Water Piping 4.4 Water Piping 4.5 Drainage 4.5 Drainage 4.6 Cleaning & Flushing System 4.6 Cleaning & Flushing System

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  • 4. Installation

4.1 Hanging the Unit 4.1 Hanging the Unit

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  • 4. Installation

4.1 Hanging the Unit 4.1 Hanging the Unit

  • Recommend to use vibration isolators on

Recommend to use vibration isolators on the brackets to reduce noise and vibration the brackets to reduce noise and vibration transmissions transmissions

  • Spring isolator to be used for better vibration

Spring isolator to be used for better vibration control. control.

spring bottom washer PVC tube Upper washer, welded onto bracket nut bracket

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  • 4. Installation

4.2 Location of hanging 4.2 Location of hanging

Install at a location that gives sufficient space clearance for: Install at a location that gives sufficient space clearance for:

  • Hanging the unit

Hanging the unit

  • Installing and maintaining the water piping

Installing and maintaining the water piping

  • Installing and maintaining the duct work

Installing and maintaining the duct work

  • Accessing the unit

Accessing the unit’ ’s internal parts via access panel s internal parts via access panel

  • Removal of air filter for cleaning

Removal of air filter for cleaning

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  • 4. Installation

4.2 Location of hanging 4.2 Location of hanging

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  • 4. Installation

4.3 Refrigerant Piping 4.3 Refrigerant Piping

Refrigerant Piping Length, Elevation and Bends Refrigerant Piping Length, Elevation and Bends

  • When piping length becomes too long, both the capacity

When piping length becomes too long, both the capacity and compressor reliability drop. and compressor reliability drop.

  • As the number of bends increases, system piping

As the number of bends increases, system piping resistance to the refrigerant flow increase thus lowering the resistance to the refrigerant flow increase thus lowering the capacity of the unit and as a result the compressor may capacity of the unit and as a result the compressor may become defective. become defective.

  • Always choose the shortest path and follow the

Always choose the shortest path and follow the recommendation as tabulated in the following pages. recommendation as tabulated in the following pages.

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  • 4. Installation

4.3 Refrigerant Piping 4.3 Refrigerant Piping

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  • 4. Installation

4.3 Refrigerant Piping 4.3 Refrigerant Piping

Additional Charges Additional Charges

  • The

The precharged precharged in the WSS unit is suitable for Standard in the WSS unit is suitable for Standard pipe of length up to: pipe of length up to:

  • 2 meter for WSS10/15/20/25/30/40/50 A

2 meter for WSS10/15/20/25/30/40/50 A

  • 5 meter for WSS60A

5 meter for WSS60A

  • When the piping is more than the standard pipe length,

When the piping is more than the standard pipe length, additional of 18.5 gram is needed for a meter of additional additional of 18.5 gram is needed for a meter of additional length. length.

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  • 4. Installation

4.4 Water Piping 4.4 Water Piping

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  • 4. Installation

4.4 Water Piping 4.4 Water Piping

MODEL WATER CONNECTION IN & OUT (INCH) 5WSS10-25 AR 1/2 5WSS30-60 AR 3/4

  • Males couplings, BSP

Males couplings, BSP

  • In general, no pipe insulation required

In general, no pipe insulation required

Water IN Water OUT

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  • 4. Installation

4.4 Water Piping 4.4 Water Piping

Flexible hose Flexible hose

  • To ease water pipe installation

To ease water pipe installation

  • Steel reinforced PVC hose with 2 female BSP couplings at

Steel reinforced PVC hose with 2 female BSP couplings at the end. the end.

  • Use O

Use O-

  • rings provided to have a leak

rings provided to have a leak-

  • proof joint

proof joint

Female couplings

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  • 4. Installation

4.4 Water Piping 4.4 Water Piping

Pressure gauge Water I nlet Water Outlet Gate Valve Strainer Automatic Shut-off Valve Flexible joint Thermometer Balancing Valve WSS Unit

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  • 4. Installation

4.5 Drainage 4.5 Drainage

  • Slanting drain pan design

Slanting drain pan design

Drain

  • Drain pipe must be inclined at an angle to allow free drainage

Drain pipe must be inclined at an angle to allow free drainage

Drain pipe, ¾”

Slope downwards to the nearest drain (recommended 1:100)

U-Trap

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  • Water circulating system must be cleaned and flushed of all

Water circulating system must be cleaned and flushed of all construction dirt and debris construction dirt and debris

  • The system should be filled at the city water makeup

The system should be filled at the city water makeup connection with all air vents open. After filling, vents should connection with all air vents open. After filling, vents should be closed be closed

  • Supplemental heater and circulator pump should be shut off

Supplemental heater and circulator pump should be shut off

  • Use 27

Use 27° °C water as flush linger C water as flush linger

  • Refill the system with clean water

Refill the system with clean water

  • 4. Installation

4.6 Cleaning and Flushing System 4.6 Cleaning and Flushing System

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Thank You Thank You