Electrical connection
17
RETURN
WTT
FEED
EHI
WF
ROOM
HP
LP
CSP
N
3WV
4WV
N
GND
WCP
N
N
GND
GND
WCP2
N
From PCB2 / T1
3-Way Valve's Relay ( port 3)
From PCB2 / CN6
From Water return Temperature Sensor
From Water feed Temperature Sensor
From Defrost Temperature Sensor
From Outside Air Temperature Sensor
From Room Temperature Sensor
From Water Tank Temperature Sensor
From Compressor Exhaust
Temperature Sensor
From High Pressure Pressostat
From Low Pressure Pressostat
From
From
From Water Flow Switch
From Three-way valve forwaterflow
From Four_way Valve
From Water cycle pump
From Outdoor Unit FAN-LOW-L
From Water cycle pump2
From Common Terminal (CT)
1.5mm2 terminal connection
EH4
From Oudoor Unit Eletrical heater 4-L
NOTE!
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2
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3-Way Valve's Relay ( port 1)
HDO
PO
From Electrical auxiliary heater
Temperature Sensor
From Outdoor Unit FAN-N /Outdoor EH4-N
From Outdoor Unit FAN GND
From PCB2 / CN2 N-IN
connect together
From External relay signal control port
From Compressor stop protection
2.5mm2 terminal connection
EH1
EH2
N
EH3
N
GND
From
From Compressor
From Electrical heater 3
From Electrical heater 2
From Electrical heater 1
From Fuse 1
From Fuse 2
From Fuse 3
From K1 N
GND
From
From Electrical heater
From K1 N
PG
PQ
OFAN
-H
OFAN
-L
From Outdoor Unit FAN-HIGH-L
From PCB2 / T2
From PCB2 / T3
From PCB2 / CN15
From PCB2 / CN15
From PCB2 / CN14
From PCB2 / T4
From MAIN PCB / CN22
From MAIN PCB / CN24
From MAIN PCB / CN23
From MAIN PCB / CN15
From MAIN PCB / CN15
From MAIN PCB / CN15
From
From MAIN PCB / CN21-L
From MAIN PCB / CN21-N
From MAIN PCB / CN14 OFAN-H
From MAIN PCB / CN13 OFAN-L
From MAIN PCB / CN11-N
From Common Terminal (CT)
From MAIN PCB / CN11N(AC)-OUT
From PCB2 / CN2 N-IN
From Water Temperature Thermostat 1 (WTP1 40C)
From Water Temperature Thermostat 2 (WTP2 70C)
From Switch Board E-HEATER port
From AC Contactor - A2
