1. Home
  2. Mitsubishi
  3. Mitsubishi 1887872 User Manual
  4. Page 8

User Manual - Page 8

For 1887872.

Loading ...
Loading ...
Loading ...
En-7
When relocating or disposing of the air conditioner, pump down the system following the procedure below so that no refrigerant is released into the atmosphere.
1)Turnoffthebreaker.
2)Connectthegaugemanifoldvalvetotheserviceportofthestopvalveonthegaspipesideoftheoutdoorunit.
3)Fullyclosethestopvalveontheliquidpipesideoftheoutdoorunit.
4)Turnonthebreaker.
5) Start the emergency COOL operation on all the indoor units.
6) When the pressure gauge shows
0.1to0psi[Gauge](0.05to0MPa),fullyclosethestopvalveonthegaspipesideoftheoutdoorunitandstoptheoperation.(Refer
to the indoor unit installation manual about the method for stopping the operation.)
* If too much refrigerant has been added to the air conditioner system, the pressure may not drop to
0.1to0psi[Gauge](0.05to0MPa)
, or the protection function
mayoperateduetothepressureincreaseinthehigh-pressurerefrigerantcircuit.Ifthisoccurs,usearefrigerantcollectingdevicetocollectalloftherefrigerantin
thesystem,andthenrechargethesystemwiththecorrectamountofrefrigerantaftertheindoorandoutdoorunitshavebeenrelocated.
7)Turnoffthebreaker.Removethepressuregaugeandtherefrigerantpiping.
When pumping down the refrigerant, stop the compressor before disconnecting the refrigerant pipes.
The compressor may burst and cause injury if any foreign substance, such as air, enters the pipes.
WARNING
5. PUMPING DOWN
BH79A240H02_en.indd 7 2016/03/24 14:46:29
Loading ...
Loading ...
Loading ...