Si30-408
Field Setting on Outdoor Unit
Field Settings from Remote Controller
65
2.2.2 Setting of
Refrigerant Recovery Mode
When the refrigerant is recovered in the field, open the expansion valves in indoor and outdoor
units fully.
Prohibit the operation of both indoor and outdoor units.
Operation
Procedures
1. Make the setting of (B) Refrigerant recovery / evacuation mode ON using the
in stop state.
The expansion valves of indoor and outdoor units open fully and some of solenoid valves
energized. (H2P displays the test operation (blinking), then “Test Operation” and “In
Centralized Control” are displayed in remote controller and the operation is prohibited. After
setting, do not cancel the
until the refrigerant recovery is completed.)
2. Recover the refrigerant by using the refrigerant recovery machine. (For further details, refer
to the manual attached to the refrigerant recovery machine.)
3. Press the MODE (BS1) button and release the
.
Operating
Procedures
1. Stop the operation.
2. Make the setting of service mode.
3. Turn off the power supply of indoor and outdoor units.
(Turn off the power supply of either one unit of indoor and outdoor, then turn off the power
supply of another unit within 10 minutes.)
4. Conduct the refrigerant recovery.
*
The setting can be canceled using the setting mode or the setting mode can be released by
resetting the power supply of outdoor unit.
2.2.3 Setting of
Evacuation Mode
When the refrigerant is recovered in the field, open the expansion valves in indoor and outdoor
units fully and energize some solenoid valves.
Operation
Procedures
1. Make the setting of (B) Refrigerant recovery / evacuation mode ON by using the
in stop state.
The expansion valves of indoor and outdoor units open fully and some solenoid valves are
energized. (H2P displays the test operation (blinking), then “Test Operation” and “In
Centralized Control” are displayed on remote controller and the operation is prohibited. After
setting, do not cancel the
until the evacuation is completed.)
2. Operate the evacuation by using the vacuum pump.
3. Press the MODE (BS1) button and cancel the
.
Setting Mode 2
Setting Mode 2
Setting Mode 2
* Fix the electronic expansion valves of indoor and outdoor units with full opening status for
the operation of refrigerant recovery.
Press and hold the MODE button for a period of 5 seconds while in
Setting mode 1 to put the system into Setting mode 2.
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Press the SET button to set the LED display to the refrigerant
recovery mode.
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Press the RETURN button.
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Press the SET button to set the LED display as shown in the right
figure.
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Press the RETURN button and the setting is completed.
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Press the RETURN button again and put the system into the initial
state.
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Setting Mode 2
Setting Mode 2
Setting Mode 2