42
Installation and Maintenance
Service Manual
2) During the transportation of the outdoor unit, two lifting ropes long enough must be used in four directions and the
included angle must be less than 40°prevent the center of unit deviating.
4) The unit should be installed on a concrete base frame with a height of 10cm.
5) The installation space of the unit should be as required in Fig.5.
8.5.3 Connection between Indoor and Outdoor Units
a.
Wiring of the Power Cord
CAUTION
!
A breaker must be installed, capable of cutting off the power supply for the whole system.
1) Open the side plate.
2) Let the power cord go through the rubber ring.
3) Connect the power card to the terminals “L”, “N” and also the earthing bolt, and then connect the wiring terminals
“N(1),2,3” of the indoor unit to those of the outdoor unit correspondingly.
4) Fix the power cord with wire clips.
b.
Energy Level and Capacity Code of the Indoor and Outdoor Units
Energy Level
Capacity Code
Indoor Unit
09
25
12
35
18
50
21
60
24
71
Outdoor Unit
36
100
42
120
Table 2
1)
2) The sum of the capacity codes of the indoor units should be among 50%-150% of that of the outdoor unit.
c. Allowable Length and Height Fall of the Refrigerant Pipe
>
500
>
500
>
500
>
500
>
2000
>
1000
>
2000
Fig.5
b
a
e
d
c
L4
L3
L2
L5
L1
Outdoorunit
Height di
fference between indoor unit and outdoor unit H1
Height di
fference between
indoor units H2
Indoor unit
Indoor unit
Equivalent length of the farthest fitting pipe L
x
Содержание GWHD(28)NK3FO
Страница 77: ...75 Installation and Maintenance Service Manual 10 Exploded View and Parts List 1 Model GWHD 18 NK3FO...
Страница 79: ...77 Installation and Maintenance Service Manual 2 Model GWHD 24 NK3FO...
Страница 81: ...79 Installation and Maintenance Service Manual 3 Model GWHD 24 NK3GO...
Страница 83: ...81 Installation and Maintenance Service Manual 4 Model GWHD 28 NK3FO...