pump model.
CODE PART NAME
L_IN FireWire L input terminal
CN11 Zero line N input terminal
CN16 Internal and external communication line interface
CN6 Indoor fan interface
CN4 Fan feedback interface
CN5 Stepper motor interface
P_1 Ground interface
CN8 Room temperature sensor interface
CN9 Pipe temperature sensor interface
CN10A Display interfac e
CN12 Compressor top temperature sensor (optional)
CN7 Exhaust temperature sensor
CN17 Outdoor temperature & condenser pipe temperature sensor
CN1,CN2 Four way valve c ontrol port
CN11,CN22 AC fan output port
CN10,CN13 Fan capacitor port
CN5 Elec tric heating wire line N
CN6 Elec tric heating wire line L
CN3 Power L input terminal
CN4 Power N input terminal
P1 Ground wire
CN15 Communication line
N- OUT1 Power N Onput terminal
RY2 POWER Power L Onput terminal
CN26 Test panel interface
CN4 Power L input terminal
CN5 Power N input terminal
CN2 CN3 Reactor connected line port
CN11 Bus voltage positive terminal
CN12 Bus voltage positive terminal
CN1 Main control board and power supply
CN6 Standby power interface
U V W Compressor connection port
Fig. 9 – Wiring Diagram 38/40MFC(Q)022 (208--230V)