02-20
2-3 Expansion valve initialization
This switch initializes the number of pulses of the expansion valve when the outdoor unit is stopped.
3. SW3 setting
ELECTRONIC EXPANSION VALVE INITIALIZATION
Initialization
Release
SW2-3
ON Operate
OFF
2-4 Forced oil recoverry operation.
Oil recovery is started manually by DIP SW 2-4 on the PCB.
FORCED OIL RECOVERY
Forced oil recovery
Release
SW2-4
ON Operate
OFF
( Factory setting)
( Factory setting)
Dip SW3-1,3-2,3-3 and SW3-4 setting forbidden
4.SW4 setting
4-1 Defrost temperature setting SW
OFF
SW3-1
SW3-4
SW3-2
OFF
OFF
SW3-3 OFF
The thershold temperature for starting a defrosting operation can be selected by setting up the switches.
SW4-1
SW4-2
ON
OFF
OFF
ON
OFF ON
ON OFF
Temperature
Standard
Low
High
Lower
DEFROST TEMPERATURE
( Factory setting)
4-2 Dip SW4-3 and SW4-4 setting forbidden.
OFF
OFF
SW4-3
SW4-4
5. SW5 setting
5-1 Dip SW 5-1,SW5-2 and SW5-4 setting forbidden
5-2 Base heater validity/invalidity
This switch sets the output of the base heater (CN5) on the PCB.
Base heater
Invalidity
SW5-3
ON validity
OFF
BASE HEATER SWITCH
The base heater output turns ON at an outside temperature of 2 C or less
during heating operation.
Base heater : 220-240V AC , 35W , field supplied.
( Factory setting)
Remarks
OFF ON and be kept at ON position
for more than 10 seconds
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