Gree T1/R22, Service Manual

Page: 28 / 61

MINI CHILLER INSTALLATION
27
3.4.1.2 Indoor Units
OG
controller
COMPONENT POSITION
DIAGRAM
pump
M
PE
PE
Temp.Sensor
Temp.Sensor
Temp.Sensor
Frost-proof
KM1
KM2 TC
XT1
AP2
TC
flow in
CN4
CN13
CN6
flow out
AP2
anti-ice1
X1
AP3
4
CN2
CN1
CN11
OVE
R
L
O
AD
CN12
OUTDOOR UNIT
12WH
10BK
X17
11BK
AP1
FL
W_
F
L
OW
+12V
CN5
YEGN 16
W1 U1
W2
T1
6YE
KM2
L1
4BU
L N
1BN 7BU
XT1
PE
POWER
N N
L L
2RD
KM2 KM1
end_switch heat1 pump
HEATER
A2
A2
EH 13OG
14GN
T1
L1
A1
A1
KM1
9BU
5RD
8BU
3YE
XT1-2
XT1-1
HT
15
Water-Outlet
Water-Inlet
3.4.2 Circuit Diagram- Integral Type
Model: HLR19S/A-M, HLR25S/A-M, HLR32S/A-M
Specification:
1.Auxiliary electric heater is optional part for heat pump unit, once it is used, please connect the temp. restricter HT1
with XT2.1-1 and XT2.1-2.
2. Cooling only type unit do not have below parts: KM5, Auxiliary electric heater, LP12, LP22, Defrost temp. sensor 1.
. if the chiller is connected with fancoil units, please remove the wire between AC-L and X16 on PC, then connect X16
to X1 on fancoil unit patching board.
. Remarks: " " means terminals on XT2.1 or XT2.2 patching board.
723
724
3 3
3
3 3
M1 M2
M3
PE
E
PE PE PE PE
E E E E
PE
Ⅰ
Ⅱ Ⅲ
R S T
Ⅰ
Ⅱ
Ⅲ
TC
11