Gree VERSATI III Series - Refrigerant Recovery and System Decommissioning

Air-to-water Heat Pump Split Versati
44
SPLIT TYPE
19.2.3 Terminal Board
GRS-CQ4.0Pd/NhH-E(I),GRS-CQ6.0Pd/NhH-E(I),GRS-CQ8.0Pd/NhH-E(I),GRS-CQ10Pd/NhH-E(I)
14
15
13
10
11
9
Teminal board XT3
12
16
L N 1 2
Terminal board XT1
Power
Supply
Water tank Auxiliary
electric heater
Thermostat Gate-
controller
Pump control
signal(OUT)
N(1)
2 3 4
Terminal board XT2
2-Way-valve1
5
Other thermal
20. Commissioning
20.1 Check before startup
For safety of users and unit, the unit must be started up for check before debugging. The procedures are as
below:



No. >$[@

1
If the contents of Application for Installation of this Unit by Installer are real. If not, debugging will be
refused.
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2  
3  
No. Pre-check 
1  
2 Check the accessories attached with the unit for quantity, package and so on. 
3 Make sure there is drawings in terms of electricity, control, design of pipeline and so on. 
4 Check if installation of the unit is stable enough and there is enough space for operation and repair. 
5 Completely test refrigerant pressure of each unit and perform leakage detection of the unit. 
6  
7  
8
Are the nilometer of water tank, water temperature indicator, controller, manometer, pressure relief valve

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