Daikin RXG25J2V1B [11/14] Pump down operation
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Daikin RXG25J2V1B [11/14] Pump down operation

Daikin RXG25J2V1B [11/14] Pump down operation
9 ■English
Pump Down Operation
In order to protect the environment, be sure to pump down when relocating or disposing of the unit.
1) Remove the valve cap from liquid stop valve and gas stop valve.
2) Carry out forced cooling operation.
3) After five to ten minutes, close the liquid stop valve with a hexagonal wrench.
4) After two to three minutes, close the gas stop valve and stop forced cooling operation.
How to forced cooling operation mode
■ Using the indoor unit ON/OFF button
Press the indoor unit ON/OFF button for at least 5 seconds. (Operation will start.)
• Forced cooling operation will stop automatically after around 15 minutes.
To force a trial operation to stop, press the indoor unit ON/OFF button.
■ Using the main unit’s remote controller
1) Press the “ON/OFF” button. (Operation will start.)
2) Press the “TEMP”
button and the “MODE” button at the same time.
3) Press the “MODE” button twice.
(
“”
will be displayed and the unit will enter trial operation.)
4) Press the “MODE” button to return the operation mode to cooling.
• Trial operation will stop automatically after around 30 minutes. To force a trial
operation to stop, press the “ON/OFF” button.
■ Using the outdoor unit forced cooling operation switch (with standby
electricity saving function turned OFF)
1) Push on “ ” with a screwdriver. The unit will start operating.
2) The forced cooling mode is selected, and terminates in approx. 15 minutes.
CAUTION
1) When pressing the switch, do not touch the terminal block. It has a high voltage, so doing so may cause electric shock.
2) After closing the liquid stop valve, close the gas stop valve within three minutes, then stop the forced operation.
Facility Setting
(cooling at low outdoor temperature)
This function is limited only for facilities (the target of air conditioning is equipment (such as computer)). Never use it in
a residence or office (the space where there is a human).
1) Cutting jumper 4 (J4)
on the circuit board will expand the operation range down to –15°C. However it will stop if the outdoor
temperature drops below –20°C and start back up once the temperature rises again.
CAUTION
1) If the outdoor unit is installed where the heat exchanger of the unit is exposed to direct wind, provide a windbreak wall.
2) Intermittent noises may be produced by the indoor unit due to the outdoor fan turning on and off when using facility settings.
3) Do not place humidifiers or other items which might raise the humidity in rooms where facility settings are being used.
A humidifier might cause dew jumping from the indoor unit outlet vent.
4) Cutting jumper 4 (J4) sets the indoor fan tap to the highest position. Notify the user about this.
Gas
stop valve
Valve cap
Hexagonal
wrench
Close
Liquid
stop valve
1
2
3
The selective connector for standby electricity
saving in use (with standby electricity saving
function turned OFF)
Push here
Screwdriver
Power supply
terminal block
1
2
3
S70
S40
S2
S90
J5
J4
J3
Cut J4 with nippers
or a similar tools.
01_EN_3P203824-7E.fm Page 9 Saturday, October 24, 2009 3:57 PM

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