
26
GENERAL INFORMATION
ENGLISH
Cycle Diagram : Internal
Description
S14
Accumulator
Inv. Comp
Pressure
Sensor
Muffler
Pressure
Gauge
Shut-off
Valve
Shut-off
Valve
with
Strainer
S6
EEV1
S5
S1
S4
EEV3
(Inj.EEV)
S2
Pressure
Switch
S3
S9
S12
S11
S10
S13
A5
A1
A16
A8
Air
Vent
Safety
Valve
Expansion
vessel
Flow
Sensor
[PHEX]
[DHW PHEX]
Drain pan
DHW Tank
DHW
Expansion
vessel
Drain/Fill
cock
Safety Valve
Drain/Fill
cock
Drain/Fill
cock
Drain
cock
DHW Strainer
S17
: Cooling
: Heating
Air Vent
<Water Side>
<Refrigerant Side>
<Outdoor Unit>
<Inside of the product>
<Indoor Unit>
: Hot Water
: Cold Water
: Domestic Hot Water
: Domestic Cold Water
: DHW re-circulation
Category
Symbol
Meaning
PCB Connector
Refrigerant
side
S1
Compressor-suction pipe temperature sensor
CN_SUCTION
S2
Inlet IHEX temperature sensor
CN_VI_IN
S3
Outdoor air temperature sensor
CN_AIR
S4
Outdoor-HEX temp. sensor
CN_C_PIPE
S5
Compressor-discharge pipe temperature sensor
CN_DISCHARGE
S6
Outdoor-HEX middle temp. sensor
CN_MID
S9
PHEX gas temp. sensor
CN_PIPE/OUT
S10
PHEX liquid temp. sensor
CN_PIPE/IN
EEV1
Electronic Expansion Valve (Heating)
CN_EEV1(WH)
EEV3
Electronic Expansion Valve (Injection)
CN_EEV3(YL)
Water Side
S11
Inlet water temperature sensor
CN_TH3
S12
Outlet water temperature sensor
S13
Electric heater outlet sensor
S14
DHW tank temperature sensor
CN_TH4
S17
Flow sensor
CN_F_METER
A1
Main water pump
CN_MOTOR1
CN_W_PUMP_A
A16
DHW Water pump
CN_W_PUMP_B
A5
3Way Valve
CN_3WAY_A
A8
Electric backup heater
CN_E_HEAT_A