126
DC Inverter Multi
VRF Service Manual
Thickness of thermal insulation layer
The thickness of thermal insulation layer on condensate pipe shall be over 10mm.
The joint of thermal insulation materials must be adhered by using special glue and then wrapped with plastic tape
having a width not less than 5cm to avoid condensing.
Thermal insulation is not required for the outdoor section of condensate pipe.
7 ELECTRICAL INSTALLATION
7�1 Precautions for Electrical Installation
The wiring must be in accordance with the local rules.
Rated supply voltage and special circuit for air conditioner must be used.
Do not pull the power cord.
All the electric installations must be carried out by specialist technicians in accordance with the local laws, rules
and these instructions.
The diameter of exible wire should be wide enough. Replace the damaged power cord and connecting wire with
special exible wire.
The earthing shall be reliable and connected to the special earthing device on the construction. The installation
must be done by specialist technicians. The leak protection switch and air switch with enough capacity must be installed.
The air switch shall have both the magnetic tripping and thermal tripping functions to ensure protection against the short
circuit and overload.
● Earthed Requirements
The air conditioner belongs to I type electric appliances. The reliable earthed action is a must.
The yellow and green wire inside the air conditioner is the earthed wire. Do not use it for other purpose or even cut
off it. Do not x it with tapping screw,. Otherwise, it may cause electric shock.
The earthed resistance must meet the requirements of national stansard GB17790.
There should be reliable earthed terminal for the power supply. Never connect the earth lead to the following
articles:
①
water pipe;
②
gas pipe;
③
drain pipe;
④
unreliable place considered by professionals.
7.2 Specications Of Power Cord & Circuit Breaker
Type
HP
Numbe
Model Power
Total vacuum
switch
capacity
Vacuum
switch for each
combination unit
Total
power wire
diameter
Wire diameter for
each combination unit
8 GMV-Pdm224W/NaB-M 380-415V-3Ph-50Hz 32 32 6.0 6.0
10 GMV-Pdm280W/NaB-M 380-415V-3Ph-50Hz 32 32 6.0 6.0
12 GMV-Pdm335W/NaB-M 380-415V-3Ph-50Hz 40 40 10.0 10.0
14 GMV-Pdm400W/NaB-M 380-415V-3Ph-50Hz 40 40 10.0 10.0
16 GMV-Pdm450W/NaB-M 380-415V-3Ph-50Hz 40 40 10.0 10.0
18 GMV-Pdm504W/NaB-M 380-415V-3Ph-50Hz 63 32+32 16.0 6.0+6.0
20 GMV-Pdm560W/NaB-M 380-415V-3Ph-50Hz 63 32+32 16.0 6.0+6.0
22 GMV-Pdm615W/NaB-M 380-415V-3Ph-50Hz 63 32+40 25.0 6.0+10.0
24 GMV-Pdm670W/NaB-M 380-415V-3Ph-50Hz 80 32+40 25.0 6.0+10.0
26 GMV-Pdm730W/NaB-M 380-415V-3Ph-50Hz 80 32+40 25.0 6.0+10.0
28 GMV-Pdm785W2/NaB-M 380-415V-3Ph-50Hz 80 40+40 25.0 10.0+10.0
30 GMV-Pdm850W2/NaB-M 380-415V-3Ph-50Hz 80 40+40 25.0 10.0+10.0
32 GMV-Pdm900W2/NaB-M 380-415V-3Ph-50Hz 80 40+40 25.0 10.0+10.0
34 GMV-Pdm950W3/NaB-M 380-415V-3Ph-50Hz 125 32+32+40 35.0 6.0+6.0+10.0
36 GMV-Pdm1008W3/NaB-M 380-415V-3Ph-50Hz 125 32+32+40 35.0 6.0+6.0+10.0
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