Service manual
20
Anti-freezing control to indoor evaporator at cooling mode ( T: evaporator temp. )
TE5
T
EVAP. temp. up
EVAP. temp. down
TE6
Compressor and
outdoor fan on
Compressor and outdoor
fan off (after 5 mins)
8.6 Dehumidifying
mode
8.6.1 The 4-way valve is off in dehumidifying mode
8.6.2 Compressor and Indoor Fan actions in dehumidifying mode
0
TA-TS
2
C
B
A
Block
Indoor
Fan
Compressor and Outdoor Fan
inutes
LOW
ON 4minutes
BREEZE OFF 6minutes
C
LOW
ON 6m
A
BREEZE OFF 4minutes
LOW
ON 5minutes
BREEZE OFF 5minutes
B
Repeat on and off cycle.
8.6.3 Low room temperature protection:
When room temperature decreases to below 10 , compressor and outdoor fan will stop(indoor fan is Breeze).
Dehumidifying operation will be resumed when room temperature restores to over 13
8.6.4 At dehumidifying mode, the anti-freezing function of the indoor heat exchanger is the same as that of
cooling mode.
8.6.5 At dehumidifying mode, the action of fans of indoor is the same as that of air-only mode.
8.7 Heating
mode
8.7.1 Generally, the 4-way valve is open in heating mode, but it is closed in defrosting mode. 4-way valve must
delay 2 minutes compared with compressor if the compressor changed into non-heating mode or turned off.
lay in dehumidifying mode
off with the on-off action of compressor in heating mode, except for
utes after
.
4-way valve doesn't de
8.7.2 Generally, the outdoor fan is turned
the defrosting mode or the end of defrost
8.7.3 Action of compressor and outdoor fan motor at heating mode: compressor must run for 7 min
starting and then judge temperature. Meanwhile other protections are still valid.
Содержание HKEI-HCNI 263 G
Страница 1: ...Cover HKEI HCNI 263 G HKEI HCNI 353 G HKEI HCNI 503 G HOKKAIDO SERVICE MANUAL ...
Страница 10: ...Service manual 4 Refrigerant cycle diagram Cooling only Heat pump mode 7 ...
Страница 12: ...Service manual 6 Wiring diagram HKEI HCNI 263 353 503 G Indoor Outdoor 9 ...
Страница 13: ...Service manual 10 ...