225
8.9.5 Auto wind under heating mode
Condition
T=Indoor Temp.-Setting Temp.
Indoor fan speed
T<2
℃
High
Room temp. up
T>2
℃
Med.
T> 0
℃
Med.
Room temp. down
T<0
℃
High
8.9.6 Indoor evaporator high-temperature protection under heating mode
Condition
Compressor
Outdoor
fan
TE<TE8 On
On
TE8<TE<TE7 On Off
Indoor exchanger temp. up
TE>TE7 Off
Off
TE>TE9 Off
Off
Indoor exchanger temp. down
TE<TE9 On
On
TE: Indoor evaporator temperature
TE7: Evaporator high temperature protection, compressor off temperature
TE8: Evaporator high temperature protection, fan off temperature
TE9: Evaporator high temperature protection, restoring temperature
8.10
Defrosting operation (Available for heating only).
8.10.1 Defrosting condition:
When T3<0
℃
and compressor runs 40 minutes.
T3: Temp. of condenser.
8.10.2 Ending condition of defrost
If one of following conditions is satisfied, end the defrost and turn into heating:
A.The defrost time has reached to 10 minutes.
B.T3>20.
℃
8.10.3 Time sequence of the whole defrosting procedure is as follows
Compressor
4-way Valve
Outdoor Fan
OFF
OFF
ON
ON
ON
Summary of Contents for M2OA-18HRN1
Page 8: ...214 3 Dimensions 3 1 Indoor unit a Indoor unit 9K b Indoor Unit 12K...
Page 9: ...215 3 2 Outdoor unit a Outdoor unit 18K 21K b Outdoor unit 27K 30K...
Page 12: ...218 6 Wiring diagram Indoor unit CORONA INDOOR UNIT Outdoor unit FOR 1 DRIVE 2 OUTDOOR UNIT...
Page 13: ...219 FOR 1 DRIVE 3 OUTDOOR UNIT...
Page 22: ...228 Exploded view parts a INDOOR UNIT...
Page 23: ...229 b UNIVERSAL OUTDOOR UNIT...
Page 24: ...230...
