Daikin FTX20K2V1B, Service Manual

Page: 102 / 114

Tips for Servicing SiBE041525F
91 Trial Operation and Field Settings
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 of 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 ~ 10 minutes, close the liquid stop valve with a hexagonal wrench.
4) After 2 ~ 3 minutes, close the gas stop valve and stop the forced cooling operation.
Refer to page 91 for forced cooling operation.
1.2 Forced Cooling Operation
Indoor Unit
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
20/25/35 class: 58 Hz
50/60/71 class: 30 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.
(R21069)
ON/OFF
ON/OFF button (SW1)