Servicing And Maintenance Functions - Panasonic U-4LE1E5 Service Manual

14. Servicing and Maintenance Functions

14. Servicing and Maintenance 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)
This setting controls the operation of the drain pump.
EEPROM
setting
0 Normal operation (setting at time of factory shipment)
1 Drain pump operates for 20 minutes at 2-hour intervals
2 Drain pump operates for 20 minutes, at intervals of 20 minutes
3 Drain pump operates continuously
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.
EEPROM
setting
0 Delay start invalid (factory preset mode)
1 [System address × 8 × 1] seconds delay
2 [System address × 8 × 2] seconds delay
3 [System address × 8 × 3] seconds delay
<Reference> Indoor unit discharge temperature control
Operating mode
Discharge temperature control value
Change method
The method is the same as ordinary indoor unit discharge temperature shift.
Details of operation
Delay time
Cooling
12
Enter shift value
for indoor EEPROM
setting "1C."
1 - 21
Heating
50
Enter shift value
for indoor EEPROM
setting "1D."
Mini VRF SYSTEM
Mini VRF SYSTEM
Control Functions
Control Functions
1