16
31-5000710 Rev. 2
Installation Instructions
AP1
POWER
G
XT3
TC
RD
BU
BK
YE
WH
Note:
1.Please refer to the instruction manual to check whether the unit can connect to the engineering electric heating .
2.When the unit doesn’t connect to the engineering electric heating, connect the engineering power supply to the W14(BK) and W15(WH) of X1.
3.When the unit connects to the engineering electric heating, connect the engineering power supply to the breaker.
4.The primary input voltage of transformer is defaulted at 230V(BK). When switching the power supply of the complete unit to 208V, connect the
primary input voltage of transformer to 208V(BU), which can be realized by exchanging the black wire and the blue wire.
5.
①
Only applicable for the unit whose motor is with earthing wire .
6.
②
As for wiring, please refer to the parameters before “ /” of MCA and MOP of heat kit on the nameplate for CB1; please refer to parameters
after “ /” of MCA and MOP for CB2.
YEGN
G
CN
5
W8
W9
W14
W15
W11
X1
X2
X10
X4
X3
X9
X13 X7
①
Code
Name
TC
Transformer
XT1~XT3
Wiring board
D
Defrosting signal
B
4-way valve control
signal, energized under
the heating mode
W1
Heater control signal
R
24V AC power supply
C
24V common
G
Indoor unit fan signal
CN7
JUMP
D
B
W1
R
C
G
XT2
W13
W12
1
W10
X11
X14
W16
47K
W17
1
TUBE
- O
X1
1 2 3 4 5 6
ș
20K
Tube
temperature
sensor
1
TUBE
N 2
1
XT1
W1
W2
W3
W4
W5
W6
W7
M
Fan
motor
XT1- 1
XT1- 2
RD
BK
G
L1
L2
G
HEAT
15KW HEAT KIT
20KW HEAT KIT
CB1
60A Circuit breaker
60A Circuit breaker
CB2
30A Circuit breaker
60A Circuit breaker
G
L1
L2
G
HEAT
5KW HEAT KIT
8KW HEAT KIT
10KW HEAT KIT
CB1
30A Circuit breaker
45A Circuit breaker
60A Circuit breaker
②
X1
X1
CB1
CB1
CB1 CB2
CB1
CB2
Summary of Contents for UUY24ZGDA
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