Backup and Emergency Operation
SiE-05C
334
Special Service Mode PLUS Series
1.1.2
Emergency Operation:
Set in setting mode 2. Operates the system when an outdoor unit malfunctions.
1. When an inverter type outdoor unit malfunctions (with exception of 13 HP)
When an inverter type outdoor unit malfunctions, you can continue operation using constant speed type
outdoor units only. (Emergency operation cannot be carried out if the inverter type outdoor unit’s PC board
or pressure sensor is malfunctioning.)
Emergency Operation Method
When cooling:
1. Shut the stop valves of the pressure equalizing and liquid pipe of inverter type outdoor unit.
2. Set to “EMG” in setting mode 2.
3. The indoor unit is turned by thermostat at the following minimum capacities:
BL2K, BC2K -- 16.8 kW
BL3K, BC3K -- 33.6 kW
BR2K, BR3K -- All indoor units cool on by thermostat
When heating:
1. Shut the stop valves of the gas and liquid pipes of inverter type outdoor unit. (Pressure equalizing pipe
open)
2. Set to “EMG” in setting mode 2.
3. The indoor unit is turned by thermostat at the following minimum capacities:
BL2K ------------ 16.8 kW
BL3K ------------ 33.6 kW
BR2K, BR3K -- All indoor units cool on by thermostat
Note:
Operating range
When cooling: Outdoor temp. 10˚C or higher
When heating: Outdoor temp. -5˚C or higher
(Safety devices may trip when the outdoor temperature is high.)
Do not perform emergency operation for 24 hours or more.
In some cases the indoor unit fan may be L tap when cooling.
SI-05C.BOOK Page 334 Monday, November 6, 2000 4:13 PM
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