Tips For Servicing; Pump Down Operation; Forced Cooling Operation - Daikin FTXG20LV1BW Service Manual

SiBE041401E

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 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

Conditions
Start
Command
frequency
End
Others
Trial Operation and Field Settings
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.
The forced cooling operation starts when any of the following conditions are fulfilled.
1) Press the forced cooling operation ON/OFF button (S1W) on the indoor unit for 5
seconds.
2) Press the forced cooling operation ON/OFF button (SW1) on the outdoor unit
within around 3 minutes after power is supplied with standby electricity saving
function turned off.
20/25/35 class: 58 Hz
50 class: 66 Hz
The forced cooling operation ends when any of the following conditions are fulfilled.
1) The operation ends automatically after 15 minutes.
2) Press the forced cooling operation ON/OFF button (S1W) on the indoor unit again.
3) Press the ON/OFF button on the remote controller.
4) Press the forced cooling operation ON/OFF button (SW1) on the outdoor unit.
Protection functions have priority over all other functions during forced cooling
operation.
Hexagonal
wrench
Close
Valve cap
(R13628)
Forced Cooling

Tips for Servicing

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