Owner`s manual

25
12.Wiring Diagram
Wiring diagram MK4068-0201 effective for the mode of MAHRW010ZB/P
Wiring diagram MK4068-0201
Legend:
VA1: 4-way valve
VA2: Electric expansion valve
LP1: System low pressure switch
HP1: System high pressure switch
SW1: Power phase sequence
protection switch(close circuit)
SW2: Water flow switch
: 4 way valve coil
: Wire controller
SW3:Unit turn on/off switch(close circuit)
FP1: Auxiliary electric heater
overload protection switch(close circuit)
T1 : Hot water tank temperature
T2 : Water outlet temperature
T3 : System coil temperature
T4 : System suction temperature
T5 : 5K resistor
T6 : Ambient temperature
AC-N
CN1
CN2
RY1
RY2
CN3
CN4
Power input
(220V/1PH/50Hz)
R
C
S
×Ø
White
01
29 28 27 26 25 24 23 22 21 20 19 18
Red
Orange
Capacitance
G/Y
Black
Fan
Blue
G/Y
White
Red
Comp
L N
Brown
Blue
Yellow
Transformer
02
03
04 05 06 07 08 09 10 11
12 13
14
15
16 17
T1
SW1
T
FP1
LP1
HP1
SW2
SW3
T T T T T
T2
T3
T4
T5
T6
CN19
VA2
VA1
Red
Blue
Blue
Capacitance
1 2
Red
Blue
Pump output
(220V/1PH/50Hz)
AIR TO WATER HEAT PUMP WATER HEATERAIR TO WATER HEAT PUMP WATER HEATER