Purging the unit
Electronic Expansion Valve Installation
Nylon band
Electronic
Expansion
valve
body
◆
To prevent dirt or foreign objects from getting into the pipes
during installation, do NOT remove the pinch pipe completely
until you are ready to connect the piping.
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N
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N
o
o
o
o
tt
tt
e
e
e
e
On delivery, the indoor unit is loaded with refrigerant gas.
All this gas must therefore be purged before connecting the assembly
piping. To purge the inert gas, proceed as follows.
Unscrew the pinch pipe at the end of each refrigerant pipe.
Result:
All inert gas escapes from the indoor unit.
Fix the electronic expansion valve kit with 2 screws(TH4x12) as shown at
the figure.
2
Connect the "OUT" pipe to the liquid refrigerant pipe.
3
Insulate the connection piping. A joint part of pipe needs double thickness
of insulation.
4
Connect the electronic expansion valve cable to the main PCB of indoor
unit.
5
The expansion valve has to be installed that the user has no access to it.
(built-in type)
6
Connect a strainer to the "IN" pipe and fix it.
1
Liquid
refrigerant
port
Gas refrigerant port
E-
8
Содержание AVMKC020CA0
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