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

Horizontal Water Source Package, WH-B/BR

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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

Horizontal Water Source Heat Pump

WH WH-

  • B/BR Series

B/BR 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
  • 2. Handset & PCB
  • 3. Control Algorithm
  • 4. Installation
  • 5. Trouble Shooting

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

  • 1. Features
  • 1. Features

1.1 Product Information 1.1 Product Information 1.2 Left / Right Handling 1.2 Left / Right Handling 1.3 Low Height Profile 1.3 Low Height Profile 1.4 Less Vibration Design 1.4 Less Vibration Design 1.5 No Outdoor Fan 1.5 No Outdoor Fan 1.6 Application Flexibility 1.6 Application Flexibility 1.7 Part Loading Capability 1.7 Part Loading Capability 1.8 Sequencing Control of Compressor 1.8 Sequencing Control of Compressor

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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

1.1 Product Introduction 1.1 Product Introduction

  • Water Cooled Product

Water Cooled Product

  • Packaged types

Packaged types

  • Capacity: 3.4kW

Capacity: 3.4kW – – 23.0kW 23.0kW

  • 11,600 Btu/hr to 78,500 Btu/hr

11,600 Btu/hr to 78,500 Btu/hr

MODEL

WH011BR WH012BR WH015BR WH020BR WH025BR

NOMINAL COOLING CAPACITY kW 3.4 3.5 4.2 5.7 7.6 Btu/h 11600 12000 14400 19500 26000 NOMINAL HEATING CAPACITY kW 3.8 3.7 4.3 5 8.4 Btu/h 13000 12700 14800 17000 28800 MODEL

WH030BR WH040BR WH050BR WH060BR WH070BR

NOMINAL COOLING CAPACITY kW 9.0 13.0 15.0 19.0 23.0 Btu/h 30710 44360 51510 64820 78500 NOMINAL HEATING CAPACITY kW 9.5 15.5 17.0 20.5 23.0 Btu/h 32410 52890 58000 69950 78500

  • 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

1.2 Left / Right Handling 1.2 Left / Right Handling

  • 1. Features
  • 1. Features

Left Handling Right Handling Product Nomenclature: e.g. WH 12B/BR – AXAA WH 12B/BR – AXLA

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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 Low Height Profile 1.3 Low Height Profile

  • 1. Features
  • 1. Features
  • Flexibility in installation

Flexibility in installation

  • WH 11B/BR using Horizontal

WH 11B/BR using Horizontal Compressor Compressor

500 70 475 60 440 50 440 40 370 30 340 25 353 20 337 15 325 12 250 11 Height (mm) WH-B/BR

Height from 250mm to 500mm

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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 No Outdoor Fan 1.5 No Outdoor Fan

  • 1. Features
  • 1. Features
  • Using tube in tube heat exchanger

Using tube in tube heat exchanger

  • No visible outdoor unit

No visible outdoor unit

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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

1.6 Application Flexibility 1.6 Application Flexibility

  • 1. Features
  • 1. Features
  • Wide operating range of temperature

Wide operating range of temperature Cooling Mode Minimum EWT = 13°C Maximum EWT = 40°C 13°C ≤ EWT ≤ 40°C Heating Mode Minimum EWT = 10°C Maximum EWT = 32°C 10°C ≤ EWT ≤ 32°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

1.6 Application Flexibility 1.6 Application Flexibility

  • 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

1.7 Part Loading Capability 1.7 Part Loading Capability

  • 1. Features
  • 1. Features
  • Only available for model WH 25B/BR ~ 70B/BR

Only available for model WH 25B/BR ~ 70B/BR

  • 2 stage loading capacity at 50% ~ 100%

2 stage loading capacity at 50% ~ 100%

  • Less noise during low load condition

Less noise during low load condition

  • Energy saving

Energy saving

100 50

  • Comp. Loading %

Step Capacity

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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

1.8 Sequencing Control of Compressor 1.8 Sequencing Control of Compressor

  • 1. Features
  • 1. Features
  • Only available for model WH 25B/BR ~ 70B/BR

Only available for model WH 25B/BR ~ 70B/BR

  • Accumulative compressor operating time can be monitored

Accumulative compressor operating time can be monitored

  • Even loading of the compressor

Even loading of the compressor

  • Improve compressor reliability

Improve compressor reliability

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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. Handset & PCB
  • 2. Handset & PCB

2.1 Handset 2.1 Handset 2.2 PCB 2.2 PCB 2.3 Wiring Diagram 2.3 Wiring Diagram

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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

Temperature Display Operating Mode Fan Speed ON/ OFF Switch I R Receiver “Sleep” Function Timer Switch Setting

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

SLM15A SLM15A

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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

Temperature Display ON/ OFF Switch Temperature Setting I R Receiver Operating Mode Timer Setting Sleep Mode Clock Setting Fan Speed

APW04A APW04A

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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. Handset & PCB
  • 2. Handset & PCB

APM01CB APM02D

Single Compressor Twin Compressor

2.2 PCB 2.2 PCB

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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. Handset & PCB
  • 2. Handset & PCB

2.3 Wiring Diagram 2.3 Wiring Diagram

SLM15A APW04A

CN2 CN4 CN1

OET OD ID ROOM Dip Switch WV OFL HF MF LF HEAT AS OFH WP N LIVE 4 E3 E2 E1 LIVE WLS

COMPRESSOR L SH H M L

FS L N E COM P

N W P

HEATER

4w v S R C

FM TRANSFORMER OLP

APM01CB

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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. Handset & PCB
  • 2. Handset & PCB

2.3 Wiring Diagram 2.3 Wiring Diagram

APM02D

COMP 1 COMP 2 L N E

N N LIVE COMP1 COMP2 HT/EV1 EV2 4WV2 4WV1 A-HAT PUMP H/FAN M/FAN L/FAN AL/OUT AL/IN N-COM

4wv 4wv WV PUMP

FM

K1 K2 K3

C S R C S R KM1 KM2 KM1 KM2 K1 K2 K3 EN-SAVE OVHT/HP 2 FREZ/LP2 FLOW OV- PUMP OV-FAN OV-COMP1 OV-COMP2 HP1 LP1 SET/SF HP1 LP1 FSW HP2 LP2 WLS K3 K4

ELECTRICA L HEATER

K3 K4

Single Phase

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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. Handset & PCB
  • 2. Handset & PCB

2.3 Wiring Diagram 2.3 Wiring Diagram

APM02D

COMP 1 COMP 2 T N E

N N LIVE COMP1 COMP2 HT/EV1 EV2 4WV2 4WV1 A-HAT PUMP H/FAN M/FAN L/FAN AL/OUT AL/IN N-COM

4wv 4wv WV PUMP

FM

K1 K2 K3

C S R C S R KM1 KM2 KM1 KM2 K1 K2 K3 EN-SAVE OVHT/HP 2 FREZ/LP2 FLOW OV- PUMP OV-FAN OV-COMP1 OV-COMP2 HP1 LP1 SET/SF HP1 LP1 FSW HP2 LP2 WLS K3 K4

ELECTRICAL HEATER

K3 K4

R S

Three Phase

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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 Hardware Setting 3.1 Hardware Setting 3.2 Unit ON / OFF 3.2 Unit ON / OFF 3.3 Sleep Function 3.3 Sleep Function 3.4 Indoor Fan Control 3.4 Indoor Fan Control 3.5 Operating Modes 3.5 Operating Modes 3.6 Protection 3.6 Protection 3.7 Self Diagnostic 3.7 Self Diagnostic

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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 Hardware Setting 3.1 Hardware Setting –

– Mode Selection Mode Selection

APM01CB

Specification / Type 1 2 3 4 Cooling Only Cooling Only + Electric Heater 1 Heat Pump 1 Heat Pump + Electric Heater 1 1 Dip Switch Setting

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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

APM02D

  • 3. Control Algorithm
  • 3. Control Algorithm

3.1 Hardware Setting 3.1 Hardware Setting –

– Mode Selection Mode Selection

Specification / Type JP1 JP2 JP3 JP4 JP5 Cooling Only Open Open Close Close Close Cooling Only + Electric Heater Open Open Close Open Close Heat Pump Open Open Close Close Open Heat Pump + Electric Heater Open Open Close Open Open Jumper Setting

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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

3.2 Unit ON / OFF 3.2 Unit ON / OFF

2 ways to turn on / off the system: 2 ways to turn on / off the system: (a) On/Off Triggering (a) On/Off Triggering

  • On/Off Button on LCD remote controller

On/Off Button on LCD remote controller (b) Real time On/Off Timer (b) 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 On/Off Button on the LCD remote controller being

If On/Off Button on the LCD remote controller being pressed, the timer will be reset pressed, the timer 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. Control Algorithm

3.3 Sleep Function 3.3 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. Control Algorithm

3.3 Sleep Function (Cool Mode) 3.3 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

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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

3.3 Sleep Function (Heat Mode) 3.3 Sleep Function (Heat Mode)

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

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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. Control Algorithm

3.4 Indoor Fan Control 3.4 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 APM01CB:

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

APM02D:

  • 1 compressor will cut in if Tr – Ts > 1.0°C
  • 2 compressor will cut in if Tr – Ts > 2.0°C
  • 1 compressor will cut out if Tr = Ts
  • 2 compressor will cut out if Ts – Tr > 1°C

Note: Tr = Room Temperature Ts = Set Temperature

  • 3. Control Algorithm

3.5 Operating Modes 3.5 Operating Modes

3.5.1 Cool Mode 3.5.1 Cool 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

3.5 Operating Modes 3.5 Operating Modes

  • 3. Control Algorithm

APM01CB:

  • Compressor will cut in if Ts – Tr > 1.0˚C
  • Compressor will cut out if Tr – Ts > 1.5°C

APM02D:

  • 1 compressor will cut in if Ts – Tr > 1.0°C
  • 2 compressor will cut in if Ts – Tr > 2.0°C
  • 1 compressor will cut out if Ts = Tr
  • 2 compressor will cut out if Tr – Ts > 1.0°C

Note: Tr = Room Temperature Ts = Set Temperature

  • Heat Pump Model

Heat Pump Model 3.5.2 Heat Mode 3.5.2 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

  • 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. Control Algorithm
  • 3. Control Algorithm

3.5 Operating Modes 3.5 Operating Modes

(a) 4 (a) 4-

  • Way valve Changing

Way valve Changing 3.5.2 Heat Mode 3.5.2 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 APM01CB:

  • Thermostat cut in cycle:
  • If Tin coil > 40˚C, indoor fan run at user set speed
  • If Tin coil > 30˚C, indoor fan run at low speed
  • If Tin coil < 15˚C, indoor fan stop
  • Thermostat cut off cycle:
  • If Tin coil > 40°C, indoor fan run at user set speed
  • If Tin coil > 37°C, indoor fan run at low speed
  • If Tin coil < 30°C, indoor fan stop

Note : T Note : Tin coil

in coil = Indoor Coil Temperature

= Indoor Coil Temperature

  • 3. Control Algorithm

3.5 Operating Modes 3.5 Operating Modes

(b) Hot Keep / Start (b) Hot Keep / Start 3.5.2 Heat Mode 3.5.2 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 APM02D:

  • Thermostat cut in cycle:
  • If either Tin coil > 37˚C, indoor fan run at user set speed
  • If both compressors cut out,

and Tin coil < 30˚C, indoor fan stop

Note : T Note : Tin coil

in coil = Indoor Coil Temperature

= Indoor Coil Temperature

  • 3. Control Algorithm

3.5 Operating Modes 3.5 Operating Modes

(b) Hot Keep / Start (b) Hot Keep / Start 3.5.2 Heat Mode 3.5.2 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

  • 3. Control Algorithm
  • 3. Control Algorithm

3.5 Operating Modes 3.5 Operating Modes

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

3.5.3 Auto Fan 3.5.3 Auto 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. Control Algorithm
  • 3. Control Algorithm

3.5 Operating Modes 3.5 Operating Modes

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 +1.5 +1.5 +1.0 +1.0 T Ts

s

  • 1.0

1.0

  • 2.0

2.0

  • C

C

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

3.5.3 Auto Fan 3.5.3 Auto 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 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. Control Algorithm
  • 3. Control Algorithm

3.5 Operating Modes 3.5 Operating Modes

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)

3.5.4 AUTO Mode 3.5.4 AUTO 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

3.5 Operating Modes 3.5 Operating Modes

(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 + 3.5

+ 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.

  • 3. Control Algorithm
  • 3. Control Algorithm

3.5.4 AUTO Mode 3.5.4 AUTO 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

3.5 Operating Modes 3.5 Operating Modes

  • APM01CB:

APM01CB:

  • 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

  • APM02D

APM02D

  • Run under COOL mode with Auto Fan Speed for 18 minutes

Run under COOL mode with Auto Fan Speed for 18 minutes

OR OR

  • Run until

Run until Tr Tr ≤ ≤ Ts Ts – – 1 1° °C C After the 12 minutes (AOM01CB) or 18 minutes (APM02D) After the 12 minutes (AOM01CB) or 18 minutes (APM02D)

  • 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. Control Algorithm
  • 3. Control Algorithm

3.5.5 Dry Mode 3.5.5 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

3.5 Operating Modes 3.5 Operating Modes

ZONE A ZONE A : if : if T Tr

r -

  • T

Ts

s > 2

> 2 o

  • C

C

12 Minutes 12 Minutes

  • 3. Control Algorithm
  • 3. Control Algorithm

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

3.5.5 Dry Mode 3.5.5 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

3.5 Operating Modes 3.5 Operating Modes

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. Control Algorithm
  • 3. Control Algorithm

Compressor Compressor Low Fan Low Fan

3.5.5 Dry Mode 3.5.5 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

3.5 Operating Modes 3.5 Operating Modes

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. Control Algorithm
  • 3. Control Algorithm

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

3.5.5 Dry Mode 3.5.5 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

3.5 Operating Modes 3.5 Operating Modes

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. Control Algorithm
  • 3. Control Algorithm

3.5.5 Dry Mode 3.5.5 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

3.6 Protections 3.6 Protections

3.6.1 Compressor 3.6.1 Compressor 3.6.2 Indoor Coil Anti Freeze 3.6.2 Indoor Coil Anti Freeze 3.6.3 Gas Leak Detection 3.6.3 Gas Leak Detection 3.6.4 Self Diagnostics 3.6.4 Self Diagnostics

  • 3. Control Algorithm
  • 3. Control Algorithm
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  • 3. Control Algorithm

3.6 Protection 3.6 Protection

(a) 3 minutes Minimum ON time (a) 3 minutes Minimum ON time

  • The compressor has a minimum 3 minutes run times before

The compressor has a minimum 3 minutes run times before it can be cut off it can be cut off (b) 3 minutes Minimum OFF time (b) 3 minutes Minimum OFF time

  • The compressor can only cut in after a minimum period of 3

The compressor can only cut in after a minimum period of 3 minutes from the time it cuts off minutes from the time it cuts off

3.6.1 Compressor 3.6.1 Compressor

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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 (c) Hardware Switch Detection (c) Hardware Switch Detection

  • High / Low Pressure Switch (NC)

High / Low Pressure Switch (NC)

  • If the contact opened for 2 seconds, the compressor will

If the contact opened for 2 seconds, the compressor will cut OFF cut OFF

  • 3. Control Algorithm

3.6 Protection 3.6 Protection

3.6.1 Compressor 3.6.1 Compressor

WH11~25B/BR WH30~70B/BR NC NC OPEN psi 426 405 CLOSE psi 340 348 NC NC OPEN psi 7 7.25 CLOSE psi 22 21.7 LOW PRESSURE SWITCH TYPE HIGH PRESSURE SWITCH TYPE

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  • 3. Control Algorithm

3.6 Protection 3.6 Protection

Available in COOL and DRY mode, Available in COOL and DRY mode, if compressor has been running for > 10 minutes and T if compressor has been running for > 10 minutes and Tin coil

in coil

≤ ≤ 0 0° °C for at least 60 seconds C for at least 60 seconds – – Indoor fan will run at high Indoor fan will run at high speed speed After 5 minutes After 5 minutes

  • IF

IF T Tin coil

in coil < 0

< 0° °C for at least 5 seconds, compressor will stop C for at least 5 seconds, compressor will stop but indoor fan will remains at high speed but indoor fan will remains at high speed

  • IF

IF 0 0° °C C ≤ ≤ T Tin coil

in coil ≤

≤ 5 5° °C, compressor remains running and C, compressor remains running and indoor fan will remains at high speed indoor fan will remains at high speed

  • IF

IF T Tin coil

in coil > 5

> 5° °C, indoor fan run at user set speed C, indoor fan run at user set speed

3.6.2 Indoor Coil Anti Freeze 3.6.2 Indoor Coil Anti Freeze

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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

3.6 Protection 3.6 Protection

3.6.3 Gas Leak Detection 3.6.3 Gas Leak Detection

Comp run ≥ 5 mins Tin coil ≥ Tr – 3°C (Cooling) Tin coil ≥ Tr + 3°C (Heating) Sound Alarm

Y N

Error Fixed?

Y

Compressor Stop Cooling : Indoor fan run Heating : Indoor fan stop

≥ 5 mins N

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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

3.6 Protection 3.6 Protection

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

3.6.4 Water Temperature, 3.6.4 Water Temperature, T Tw

w

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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

3.6 Protection 3.6 Protection

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

3.6.4 Water Temperature, 3.6.4 Water Temperature, T Tw

w

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  • 3. Control Algorithm

3.6 Protection 3.6 Protection

  • Compressor will cut OFF if

Compressor will cut OFF if T Tsuc

suc <

< -

  • 6

6° °C C

  • Measure refrigerant suction temperature

Measure refrigerant suction temperature

  • To prevent the water heat exchanger from freezing up

To prevent the water heat exchanger from freezing up during heat mode during heat mode

3.6.5 Suction Temperature, 3.6.5 Suction Temperature, T Tsuc

suc

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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

  • 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 Ductwork 4.3 Ductwork 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

Hanger threaded rods

Bolted to underside of ceiling slab

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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

4.1 Hanging the Unit 4.1 Hanging the Unit

  • Spring kit installation

Spring kit installation

  • Insert the threaded rod through the bracket

Insert the threaded rod through the bracket

  • Insert the rod through the piece of soft PVC

Insert the rod through the piece of soft PVC plastic tube. The tube will go through the plastic tube. The tube will go through the mounting hole on the bracket mounting hole on the bracket

  • Insert the spring over the plastic tube

Insert the spring over the plastic tube

  • Screw in the bottom washer and locking nut

Screw in the bottom washer and locking nut

Spring Length Nominal load Deflection Natural frequency Model (mm) (kg) (mm) (Hz) WH11-20B/BR 43 20 8 4.3 ~ 5 WH25/30 B/BR 51 32 11 4.3 ~ 5 WH40/50 B/BR 55 40 10 4.3 ~ 5 WH60/70 B/BR 60 50 10 4.3 ~ 5

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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

supply air return air 500 mm 800 mm 800 mm 1200 mm air filter access panel

  • Dia. 23
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  • 4. Installation

4.3 Ductwork 4.3 Ductwork

Supply & Return Supply & Return

  • Use good acoustic lined ducts

Use good acoustic lined ducts

  • Return air ducts are recommended where noise is critical

Return air ducts are recommended where noise is critical

  • Make sure ducts are connected firmly to prevent air

Make sure ducts are connected firmly to prevent air leakage leakage

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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

  • 4. Installation

4.3 Ductwork 4.3 Ductwork

In general, there are 2 methods of applying the unit: In general, there are 2 methods of applying the unit:

  • 1. Ducted supply, free return
  • 1. Ducted supply, free return

(a) (a)

WH unit Supply duct diffusers Free return within the room FREE RETURN EXPOSED

  • The unit is left exposed within the room together with the

The unit is left exposed within the room together with the supply ductwork supply ductwork

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  • 4. Installation

4.3 Ductwork 4.3 Ductwork

In general, there are 2 methods of applying the unit: In general, there are 2 methods of applying the unit:

  • 1. Ducted supply, free return
  • 1. Ducted supply, free return

(b) (b)

WH unit supply duct ceiling board return grille diffusers FREE RETURN WITHIN CEILING

  • The unit is within the ceiling space acts as a return plenum.

The unit is within the ceiling space acts as a return plenum.

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  • 4. Installation

4.3 Ductwork 4.3 Ductwork

In general, there are 2 methods of applying the unit: In general, there are 2 methods of applying the unit:

  • 2. Ducted supply, ducted return
  • 2. Ducted supply, ducted return
  • Useful when noise attenuation is critical in the room

Useful when noise attenuation is critical in the room

WH unit supply duct ceiling board return grille diffusers return duct

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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) WH 11 - 25 B/BR 1/2 WH 30 B/BR 3/4 WH 40 - 70 B/BR 1

Water Out Water In

WH Unit

  • Males couplings

Males couplings

  • In general, no pipe insulation required

In general, no pipe insulation required

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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 BSPP couplings at

Steel reinforced PVC hose with 2 female BSPP 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 WH Unit

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  • 4. Installation

4.5 Drainage 4.5 Drainage

  • Slanting drain pan design

Slanting drain pan design

Slanting drain pan 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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Technical Training Technical Training Technical Training Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump Horizontal Water Source Heat Pump

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

Thank You Thank You