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.
ª
2
""" «
ª
3
«
ª
No.
Pre-check
©
1
+# «
ª
2
Check the accessories attached with the unit for quantity, package and so on.
ª
3
Make sure there is drawings in terms of electricity, control, design of pipeline and so on.
ª
4
Check if installation of the unit is stable enough and there is enough space for operation and repair.
ª
5
Completely test refrigerant pressure of each unit and perform leakage detection of the unit.
ª
6
"+ ""+ «
ª
7
"+# ^ " «
ª
8
Are the nilometer of water tank, water temperature indicator, controller, manometer, pressure relief valve
«
ª
