Tips for Servicing
SiBE041010EA
95
Tips for Servicing
1. Tips for Servicing
1.1
Pump Down Operation
Outline
In order to protect the environment, be sure to conduct pump down operation when relocating or
disposing the unit.
Detail
1) Remove the valve caps from the liquid stop valve and the gas stop valve.
2) Carry out forced cooling operation.
3) After 5 to 10 minutes, close the liquid stop valve with a hexagonal wrench.
4) After 2 to 3 minutes, close the gas stop valve and stop the forced cooling operation.
Refer to forced cooling operation below.
1.2
Forced Cooling Operation
Indoor Unit
Caution
When pressing the button, do not touch the terminal board. It has a high voltage and may cause
electric shock.
Gas stop valve
Valve cap
Close
Liquid stop valve
Service port
(R13628)
Hexagonal
wrench
Item
Forced Cooling
Conditions
The forced cooling operation is allowed when both of the following conditions
are met.
1) The outdoor unit is not abnormal and not in the 3-minute standby mode.
2) The outdoor unit is not operating.
Start
Press the forced cooling operation [ON/OFF] button (SW1) on the indoor unit
for 5 seconds.
Command
frequency
58 Hz
End
The forced cooling operation ends when any of the following conditions is fulfilled.
1) The operation ends automatically after 15 minutes.
2) Press the forced cooling operation [ON/OFF] button (SW1) on the indoor
unit again.
3) Press the [ON/OFF] button on the remote controller.
Others
Protection functions have priority over all other functions during forced cooling
operation.
[ON/OFF] button (SW1)
(R19103)