Gree Versati II Series User Manual

50
Air to Water Heat Pump
Service Manual- Versati II Series
INSTALLATION
T-SENSOR3 CN12 terminal of temperature sensor3
T-SENSOR4 CN13 terminal of temperature sensor4
T-SENSOR5 CN14 terminal of temperature sensor5
T-SENSOR6 CN15 terminal of temperature sensor6
DOOR-C CN23 Door detection input
OVC-HEAT3 CN28 e-heater of water tank adhesion-proof protection detector
OVC-HEAT1 CN26 e-heater of indoor unit1 adhesion-proof protection detector
OVC-HEAT2 CN27 e-heater of indoor unit2 adhesion-proof protection detector
IN-SW CN25 detection input of water ow switch
COM-MANUAL CN6 connect the wired controller
COM-OUT CN5 connect to outdoor unit
TR-OUT1 CN2 transformer output 1
TR-OUT2 CN3 transformer output 2
TR-IN CN1 220V input of transformer
CN30 CN30 heavy-current interface of end controller
CN31 CN31 heavy-current interface of end controller
2�3 Electric Wiring Design
2.3.1 Wiring Diagram: Indoor Unit
GRS-CQ12Pd/NaB-K(I) ,GRS-CQ14Pd/NaB-K(I),GRS-CQ16Pd/NaB-K(I):
2
Specification:
1
.
If there is gate control function,
pull out the leading wire 50 on
terminal boards between19 and 20
and then connect the
Gate-controller
.
51
HT1
KM3-4
BU
Indoor Unit
N
L
5
AP1
RT8
RT4
RT5
XT2
XT2
3
12
11
14
13
KM1-6
KM2-6
15
16
CN28
CN27
CN26
KM3-6
AC contactor
KM4
0
1
0
1
18
19
17
1
0
KM1
KM2
21
22
KM3
14
X17X18X16
26
25
48
47
46
45
44
43
4241
X13
50
49
3
1
X19
CN23
HL2
HL1
X15
KM4
X14
20
19
18
17
16
15
14
13
Thermostat1
(WP65A-R
）
HT1
Main Board
AP
Water-tank
3
20K
50K
50K
20K
20K
20K
20K
20K
Main Board Only For RT9
Water flow switch
SW
AP2
2
CN14
53
52
CN66
PE
PE
OUTDOOR
UNIT
CN5
RD
BK
XT2
39
38
37
36
35
34
XT2
33
32
31
30
8
3-way
valve1
2-way
valve2
2-way
valve1
N
L2(ON)
L1(OFF)
L1(OFF)
N
L2(ON)
N
L1(OFF)
L2(ON)
N
L2(ON)
L1(OFF)
12
11
10
9
8
7
6
5
4
3
2
1
4
6
N(2)
1
L
TC
6
4
N
XT1
KM1
6
4
KM2
N
CN2
CN1
CN3
CN10
CN12
CN11
CN13
CN15
X5X6
X7
X8
X9X10
X11
X12
CN25
RT1
RT2
RT3
RT7
RT6
AP
(AC-L)
POWER
N
1
EH1
EH2
CN6
4
Water tank Auxiliary
electric heater
CODE
NAME
KM1
KM2
KM3
M
EH1～2
Auxiliary electric heater
1,2 AC contactor
Water PUMP
Auxiliary electric
heater 1
，
2
heater AC contactor
Water tank
XT1,2,3
Terminal block
1
3
4
7
9
SW
RT1
RT2
RT3
RT5
RT6
RT7
RT4
Water-tank temp sensor2
Water-tank temp sensor1
RT8
RT9
Water- out temp sensor
Remote Air temp sensor
AP
KM1
KM2
KM3
XT1
TC
21
22
23
24
25
26
27
28
CN30
1
74
1
CN31
XT3
Thermostat
COOL
HEAT
N
L
(230V)
(24V)
L
N
Thermostat
COOL
HEAT
CN1
RT9
AP2
15K
2.The wires in the imaninal frames
are connected by the consumer.
3.power supply for Thermostat:If it is
230V AC,please connect Terminal
block(xt3) 21.22.23.24;If it is 24V
AC, please connect Terminal
block(xt3) 25.26.27.28.
54
55
56
57
58
59
60
61
XT3
HT2
62
1920
50
Gate-controller
20 19
XT2XT2
HT2
Thermostat2
(WP95A-R)
PE PE
8
2
WH
2
8
663
64
8
2
KM3
65
HT1
Running
indicating lamp
Error
indicating lamp
Communication line
Display
board
Client water pump
Plate heat exchanger
water-out temp sensor
Plate heat exchanger
water-in temp sensor
Liquid line temp sensor
Gas line temp sensor
Auxiliary electric heater
water-out temp sensor
Client water pump
AC contactor
Other thermal
PEPE
PEPE
TC
Transformer
Other
thermal
Auxiliary electric

Gree Versati II Series Specifications

General

Brand	Gree
Model	Versati II Series
Category	Heat Pump
Language	English