–51–
(2)
BC controller
Note : 1
Two error modes include indoor unit side trouble, BC controller trouble, and outdoor unit side trouble. In the case of indoor
unit side trouble, error stop is observed in the concerned indoor unit only, and in the cases of BC controller and outdoor unit
side troubles, error stop is observed in all the indoor units, BC controller, and outdoor unit.
YES
NO
YES
NO
YES
NO
Normal operations
Trouble observed
Stop
Solenoid valve OFF,
LEV fully closed.
Start
Breaker
turned on
Operation
command
1. Operation mode judgement
(cooling-only, heating-only,
cooling/heating mixed)
2. Transmission to outdoor unit
Receiving operation mode
command from outdoor unit
Error mode
Cooling-only
operations
Heating-only
operations
Cooling-main
operations
Heating-main
operations
Operation mode
Operation mode
Operation mode
Cooling/heating mixed
Note : 1
Fan
Error stop
Error code blinks on the
outdoor controller board
Error command to
BC controller
Error code blinks on the
remote controller
Содержание CITY MULTI P500YMF-C
Страница 2: ......
Страница 15: ... 13 CNFAN CNPOW CNFC2 CN15V1 CNDR1 CNIPM1 CNE CNDC1 FANCON board G A board ...
Страница 16: ... 14 Y C board SNB board ...
Страница 17: ... 15 BC controller CNTR CN02 M NET transmission CN03 CN12 Power supply 1 EARTH 3 N 5 L SW4 SW2 SW1 SW5 ...
Страница 18: ... 16 RELAY 10 board RELAY 4 board ...
Страница 22: ... 20 3 Electrical Wiring Diagram PURY P400 500YMF C ...
Страница 73: ... 71 Check Valves Block2 1 3 5 7 6 4 2 CV5b CV4b CV6b CV2b ST1 BV1 BV2 CV3b Check Valves Block2 1 3 7 2 4 5 6 ...
Страница 91: ... 89 Motor Compressor G A board Red U V W N P White Black Black Capacitor C2 C3 Red IPM ...