16
Air-to-Water Heat Pump
Cycle Diagram
Refrigerant Cycle(Non-Vapor Injection)
Description
INDOOR UNIT
OUTDOOR UNIT
Indoor Unit
Plate Heat
Exchanger
Outdoor Unit
EEV
Heat Exchanger
COMPRESSOR
Accumulator
GAS SIDE
LIQUID SIDE
3-Way
Service Valve
3-Way
Service Valve
COOLING
HEATING
Reversing Valve
High Pressure
Switch
Low Pressure
Switch
Th3
Th2
Th6
Th7
Th8
Th5
Th4
- Optional accessory (being sold separately)
- Not shown in diagram
- Meaning is expressed based on Cooling
mode.
- Th4 and Th5 are connected at 4 pin type
connector CN_TH3.
- Description is expressed based on Cooling
mode.
- Th6 and Th7 are connected at 4 pin type
connector CN_TH2
- Th8 is connected at 4 pin type connector CN_TH3
CN_ROOM
CN_PIPE
CN_PIPE/O
CN_TH3
CN_TH3
CN_TH2
CN_TH2
CN_TH3
CN_LEV1
Remote air temperature sensor
Inlet evaporator temperature sensor
Outlet evaporator temperature sensor
Compressor-suction pipe temperature sensor
Compressor-discharge pipe temperature sensor
Condenser temperature sensor
Outdoor air temperature sensor
Condenser middle temperature sensor
Electronic Expansion Valve
Th1
Th2
Th3
Th4
Th5
Th6
Th7
EEV
Category
Symbol
Meaning
PCB
Connector
Remarks
Indoor Unit
Outdoor Unit
Th8*1
*1:Applied Model : AHUW128A1, AHUW148A1, AHUW168A1, AHUW096A1, AHUW126A1, AHUW146A1, AHUW166A1
General Information
Refrigerant Cycle(Vapor Injection)
INDOOR UNIT
OUTDOOR UNIT
Indoor Unit
Plate Heat
Exchanger
Outdoor Unit
Phase,
Separator
EEV
Heat Exchanger
COMPRESSOR
Accumulator
GAS SIDE
LIQUID SIDE
3-Way
Service Valve
3-Way
Service Valve
COOLING
HEATING
Reversing Valve
High Pressure
Switch
Low Pressure
Switch
Th3
Th2
Th6
Th7
Th8
Th5
Th4
EEV
EEV
- Optional accessory (being sold separately)
- Not shown in diagram
- Meaning is expressed based on Cooling mode.
- Th4 and Th5 are connected at 4 pin type connector
CN_TH3.
- Description is expressed based on Cooling mode.
- Th6 and Th7 are connected at 4 pin type connector
CN_TH2
- Th8 is connected at 4 pin type
connector CN_TH3
- Adjusting mass flow rate of circulating
refrigerant or injecting refrigerant
CN_ROOM
CN_PIPE
CN_PIPE/O
CN_TH3
CN_TH3
CN_TH2
CN_TH2
CN_TH3
CN_LEV1
CN_LEV2
CN_LEV3
Remote air temperature sensor
Inlet evaporator temperature sensor
Outlet evaporator temperature sensor
Compressor-suction pipe temperature sensor
Compressor-discharge pipe temperature sensor
Condenser temperature sensor
Outdoor air temperature sensor
Condenser middle temperature sensor
Electronic Expansion Valve
Th1
Th2
Th3
Th4
Th5
Th6
Th7
EEV
Category
Symbol
Meaning
PCB
Connector
Remarks
Indoor Unit
Outdoor Unit
Th8
Description
Содержание AHNW096A0
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