Gree VERSATI SERIES - UNITS MAINTENANCE

96
Air to Water Heat Pump
Service Manual- Versati Series
JOTUBMMBUJPO
4
321
OFF
NC
2 way value 1
2 way value 2
NC
NO
NO
OFF
ON
ON
N
N
N
N
5
6
WARING!
ķ
Normal Open type should be connected to wire (NO) and wire (N)for valve closing in cooling mode.
ĸ
Normal Closed type should be connected to wire (NC) and wire (N)for valve closing in cooling mode.
(NO) : Line signal (for Normal Open type) from PCB to 2-way valve
(NC) : Line signal (for Normal Closed type) from PCB to 2-way valve
(N) : Neutral signal from PCB to 2-way valve
2.3.8 3-Way Valve
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ÀRRUKHDWLQJORRSDQGZDWHUWDQNKHDWLQJORRS
General Information
Type Power Operating Mode Supported
SPDT
3-wire
230V 50Hz ~AC
230V 60Hz ~AC
Selecting “Flow A” between “Flow A” and “Flow B” Yes
Selecting “Flow B” between “Flow B” and “Flow A” Yes
(1). SPDT = Single Pole Double Throw. Three wires consist of Live1 (for selecting (for selecting Flow B),
and Neutral (for common).
(2). )ORZ$PHDQVµZDWHUÀRZIURPWKHLQGRRUXQLWWRXQGHUÀRRUZDWHUFLUFXLW¶
(3). )ORZ%PHDQVµZDWHUÀRZIURPWKHLQGRRUXQLWWRVDQLWDU\ZDWHUWDQN¶
How to Wire 3-Way Valve:
Follow below procedures Step 1 ~ Step 2.
Step 1. Uncover front cover of the indoor unit and open the control box.
Step 2. Find terminal block and connect wire as below.
12
1110
7
8
9
3 way value 1 3 way value 2
ONOFF
OFF
N
ON
N
WARING!
ķ
3-way valve should select water tank loop when electric power is supplied to wire (OFF) and wire (N).
ĸ
ZD\YDOYHVKRXOGVHOHFWXQGHUÀRRUORRSZKHQHOHFWULFSRZHULVVXSSOLHGWRZLUH21DQGZLUH1
(OFF) : Line signal (Water tank heating) from PCB to 3-way valve
21/LQHVLJQDO8QGHUÀRRUKHDWLQJIURP3&%WRZD\YDOYH
(N) : Neutral signal from PCB to 3-way valve
2.3.9 Gate-controller
If there is gate control function, pull out the leading wire 50 on terminal board(XT2) between19 and 20 or
between 21 and 22, and then connect the Gate-controller .
Installation Guide follow as:
(1). GRS-CQ6.0Pd/Na-K(I), GRS-CQ8.0Pd/Na-K(I), GRS-CQ10Pd/Na-K(I), GRS-CQ12Pd/Na-K(I), GRS-
CQ14Pd/Na-K(I), GRS-CQ16Pd/Na-K(I), GRS-CQ12Pd/Na-M(I), GRS-CQ14Pd/Na-M(I), GRS-
CQ16Pd/Na-M(I)
1920
Gate-controller
GREE does not supply
this section
1920
50
XT
XT