Panasonic U-8ME1E8E Service Manual page 32

7. Oil Control
* It is possible to change the oil recovery control processing time
EEPROM setting in main outdoor unit
CODE: 43
Setting No Oil recovery control processing time
0 0 seconds
30 30 seconds
60 60 seconds (factory preset mode)
Interval of "30"
570 570 seconds
600 600 seconds
* There is no stop time before and after defrosting operation in factory setting.
However, it is possible to stop by setting.
EEPROM setting in main outdoor unit
CODE: F4 (Time before oil recovery 1)
F5 (Time before oil recovery 2)
F6 (Time after oil recovery 1)
F7 (Time after oil recovery 2)
Setting No Time above mention
-1 Non stop (factory preset mode)
0 0 seconds
30 30 seconds
60 60 seconds
Interval of "30"
570 570 seconds
600 600 seconds
7-6. Indoor unit self oil recovery control
This control is carried out regularly when the system is in cooling mode.
-During stopped, fan or thermostat OFF condition, indoor unit expansion valve is opened regularly for 1 to 2 min-
utes regularly (at an interval of once every 2 hours.)
-During the thermostat ON, the indoor unit electronic thermostatic expansion valve is opened about 10 pulses
from the current status.
The state of the indoor unit is shown in the table below. Type K1 operates differently according to the setting.
Type of Mode of
indoor unit indoor unit
K1 Stop
Fan (only)
Cooling
Excluding Stop
K1, E1
Fan (only)
Cooling
E1 Stop
Fan mode
Cooling
*MOV pulse might be a little different from the above values according to the operating condition.
Thermostat Pulse of MOV
ON/OFF
- 100 - 180
- 100 - 180
OFF 115 - 185
ON Present pulse + 20
- 100 - 180
- 100 - 180
OFF 115 - 185
ON Present pulse + 20
- 100 - 180
- 100 - 180
OFF 115 - 185
ON Present pulse + 20
1 - 25
2WAY SYSTEM
Control Functions-Outdoor Unit
EEPROM setting in main outdoor unit
CODE: 24
Setting No. 0 Setting No. 1
Fan speed Flap Fan speed Flap
Stop - LL
LL - LL
Set speed - Set speed -
Set speed - Set speed -
Stop - Stop
Stop - Stop
Set speed - Set speed -
Set speed - Set speed -
Stop - Stop
LL - LL
Set speed - Set speed -
Set speed - Set speed -
1
Close
Close
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