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English
8
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 lid from liquid shut-off valve and gas shut-
off valve.
2) Carry out forced cooling operation.
3) After five to ten minutes, close the liquid shut-off valve with a
hexagonal wrench.
4) After two to three minutes, close the gas shut-off valve and
stop forced cooling operation.
Forced cooling operation
1) Press the Forced Operation switch (SW1) to begin forced cooling. Press the Forced Operation switch (SW1) again to stop forced cooling.
Facility Setting Switch
(RKS50/60/71E2V1B only)
(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) You can expand the operation range to -15°C by turning on switch B (SW4) on the PCB. If the outdoor temperature falls
to -20°C or lower, the operation will stop. If the outdoor temperature rises, the operation will start 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) Use the indoor unit at the highest level of air flow rate.
Gas shut-off valve
Valve lid
Hexagonal wrench
Close
Liquid shut-off valve
Service port
LED-A
SW4
ON
AB
C
D
S102
SW1
S2
Forced
operation
switch
LED-A
SW4
ON
AB
C
D
S102
SW1
S2
Turn on
switch B.
01_EN_3P159684-2F.fm Page 8 Wednesday, December 7, 2005 3:18 PM
Содержание RXS50E2V1B
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