Commissioning; Check Before Startup - Gree Versati III Series Owner's Manual

Air-to-water Heat Pump Split Versati
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)
Terminal board XT1
L N
Power
Supply

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:
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No.
If the contents of Application for Installation of this Unit by Installer are real. If not, debugging will be
1
refused.
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No. Pre-check
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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.
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Are the nilometer of water tank, water temperature indicator, controller, manometer, pressure relief valve
8
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Terminal board XT2
N(1) 2
2-Way-valve1
1 2
Water tank Auxiliary
electric heater
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3 4 5
Other thermal
Teminal board XT3
9 10 11
12
Thermostat Gate-
44
SPLIT
13 14 15 16
Pump control
controller signal(OUT)
TYPE
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