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Mini VRF SYSTEM
Control Functions
14. Servicing and Maintenance Functions
Mini VRF SYSTEM
Control Functions
The below functions are available, and are selected by the outdoor unit EEPROM settings.
14-1. Slime Countermeasure: EEPROM 0C (set only on the main unit)
14-2. Delayed Start for Each System: Outdoor EEPROM 3E
The operation start time can be delayed according to the set system addresses.
This setting reduces voltage drops by preventing multiple systems from starting at the same time when operation is
restarted after recovery when multiple operating systems were stopped due to a power outage or other cause.
This setting controls the operation of the drain pump.
EEPROM
setting
Details of operation
Normal operation (setting at time of factory shipment)
1
0
2
Drain pump operates for 20 minutes at 2-hour intervals
Drain pump operates for 20 minutes, at intervals of 20 minutes
3 Drain pump operates continuously
EEPROM
setting
Delay time
Delay start invalid (factory preset mode)
[System address × 8 × 1] seconds delay
2
1
0
3
[System address × 8 × 2] seconds delay
[System address × 8 × 3] seconds delay
Operating mode
Discharge temperature control value
Change method
Cooling
12
Enter shift value
for indoor EEPROM
setting “1C.”
Heating
50
Enter shift value
for indoor EEPROM
setting “1D.”
The method is the same as ordinary indoor unit discharge temperature shift.
<Reference> Indoor unit discharge temperature control
14. Servicing and Maintenance Functions
SM830195-04_Mini VRF SYS.indb 21 15/03/10 17:47:36
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