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4.4.1 Electrical schematic
Heat pump unit diagram
Water tank diagram
OUT2
OUT5
COM
NO
OUT1
EXV1
CN1
CN2
K3
T6
T5
T7
T8
M1
V G R D
CN14
K2
OUT7
POWER
Electric heat
Manual reset button
Thermostat
Thermal cut-out
Brown
Symbols that:
CMP
EXV
FM
LP
HP
4RV
DP
CS
AS
AM
AE
COM
Compressor
Expansion valve
Fan motor
Low pressure
High pressure
4 way valve
Display panel
Coils sensor
Air suction temp
Ambient temp
Air exhaust temp
Communication
S N1
EXV
DP
AE
CT
4RV
5
AM
AS
CS
2
N
L
5
L1
4
Blue
Yellow
Brown
Yellow/Green
2
Water tank
Upper tank temp
Lower tank temp
Note: exhaust sensor model
50K/3950, other sensor
model 20K/3950.
The dotted wire frame is
the electric control part
of the water tank.
L
N
Brown
Blue
PE
Blue
Y/G
485COM
4
FM
LP
C
S
R
C
CMP
N1
L
S
N
HP
91010616
Electrical
heating
To Heat pump unit
Note:
1.Ensure that "S,N1"in the wiring diagram
is consistent with "S,N1" in the external
machine.
2. The dotted wire frame is the field
wiring part.
Manual reset button
Thermostat
Thermal cut-out
Brown
Magnesium rods
Display
panel
S N1
Water tank
Blue
Upper tank temp
Lower tank temp
17
18
V.
2
V.2