Tips for Servicing
SiUS041501E
103
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 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
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 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
09/12 class, RKN18NMVJU: 58 Hz
RXN18NMVJU, RK(X)18NMVJU, 24 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)
Summary of Contents for FTKN09NMVJU
Page 12: ...SiUS041501E 1 List of Functions Part 1 List of Functions 1 Functions 2...
Page 59: ...SiUS041501E Remote Controller 48 Part 5 Remote Controller 1 Cooling Only 49 2 Heat Pump 51...
Page 65: ...SiUS041501E Service Diagnosis 54 5 13 Power Module Check 100...
Page 132: ...Revision History Month Year Version Revised contents 03 2015 SiUS041501E First edition...