Tips For Servicing; Pump Down Operation; Forced Cooling Operation - Daikin FTX20K(2)V1B Service Manual

Tips for Servicing

1. Tips for Servicing

1.1

Pump Down Operation

In order to protect the environment, be sure to conduct pump down operation when relocating or
Outline
disposing of the unit.
1) Remove the valve caps from the liquid stop valve and the gas stop valve.
Detail
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

Conditions
Start
Command
frequency
End
Others
Indoor Unit
91
Liquid stop valve
Gas stop valve
Service port
Item
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.
Press the forced cooling operation ON/OFF button (SW1) on the indoor unit
for 5 seconds.
20/25/35 class: 58 Hz
50/60/71 class: 30 Hz
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.
Protection functions have priority over all other functions during forced cooling
operation.
Close
Valve cap
Forced Cooling
ON/OFF button (SW1)
ON/OFF
SiBE041525F
Hexagonal
wrench
(R13628)
(R21069)
Trial Operation and Field Settings