Panasonic U-8MF2E8, Service Manual

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3WAY SYSTEM
Control Functions
1
9. Defrost Control
Indoor unit (expansion valve, solenoid valve kit, fan)
*1 Function when a common use solenoid valve kit is used and there are more than one (1) indoor unit in the
cooling mode within the same solenoid valve kit.
*2 Function when a common use solenoid valve kit is used and there are more than one (1) indoor unit in the
heating mode within the same solenoid valve kit.
*3 Only for High Static Pressure Ducted Type Indoor Unit (Type E1)
*4 Fan runs at the set fan speed depending on the indoor unit operation mode.
*5
0 : OFF
1 : ON
Individual number for DSBE indicates the status (OFF/ON) in turn from left respectively.
Normal
operation
Normal
operation
Outdoor unit cycle defrost processing
Indoor unit
delay-start
control
Defrost
group
1st
Defrost
group
2nd
Switch
Switch
20 20 20 20 20 20 20
Stop
Mode
Expansion
valve
Fan
Cooling
Heating
Thermostat
20 20 20 20 20 20 20
ON SH control SH control SH control SH control SH control SH control SH control
*1(Cooling) 20 20 20 20 20 20 20
*2(Heating) 55 55 60 60 60 60 55
20 *1(Cooling) 20 20 20 20 20 20
*2(Heating) 55 55 60 60 60 60 55
ON SC control SC control 60 60 60 60 SC control
OFF 55 55 60 60 60 60 55
20 20 20 20 20 20 20 OFF
20 20 20 20 20 20 20 *3 OFF
0010 0010 0010 0010 0010 0010 0010
Stop
Fan
Cooling
Heating
0010 0010 0010 0010 0010 0010 0010
ON
0111 0111 0111 0111 0111 0111 0111
*1(Cooling) 0111 0111 0111 0111 0111 0111 0111
*2(Heating) 1000 1000 1000 1000 1000 1000 1000
0111 *1(Cooling) 0111 0111 0111 0111 0111 0111
*2(Heating) 1000 1000 1000 1000 1000 1000 1000
ON 1000 1000 1000 1000 1000 1000 1000
OFF 1000 1000 1000 1000 1000 1000 1000
0111 0111 0111 0111 0111 0111 0111 OFF
0000 0000 0000 0000 0000 0000 0000 *3 OFF
*4 *4 LL LL LL LL *4 *3 OFF
Solenoid
valve
kit
Unit :
pulse
*5
*4 *4 *4 *4 *4 *4 *4
Stop
Fan
Cooling
Heating
*4 *4 *4 *4 *1(Cooling) *4 *4 *4
*2(Heating) *4 *4 *4 *4 *4 *4 *4
*4 *4 *4 *4 *4 *4 *4
*4 *1(Cooling) *4 *4 *4 *4 *4 *4
*2(Heating) *4 *4 *4 *4 *4 *4 *4
ON *4 *4 *4 *4 *4 *4 *4
ON *4 *4 Stop Stop Stop Stop *4
OFF *4 *4 *4 *4 *4 *4 *4
*4 *4 *4 *4 *4 *4 *4 OFF
Fan
SM830226-00̲3WAY ECO-i SYSTEM.in37 37 SM830226-00̲3WAY ECO-i SYSTEM.in37 37 2013/02/13 11:52:28 2013/02/13 11:52:28