-7-
Service manual
4 Refrigeration Cycle Diagram
4.2 Refrigeration circuit drawing of inverter binary type
heat
exchanger
heat
exchanger
outdoor unit
low-pressure switch 2
inverter compressor
discharge
sensor
oil separator
high-pressure
switch 1
filter
capillary
low-pressure oil tank
4-way
valve
down
part
up
part
condenser
capillary
capillary
filter
filter
5 Operation Limits
Indoor temperature
17
ć
̚
32
ć
Cooling mode
Outdoor temperature
10
ć
̚
50
ć
Indoor temperature
<=30
Heating mode
Outdoor temperature
-15
ć
̚
33
ć
Indoor temperature
10
ć
̚
32
ć
Dry mode
Outdoor temperature
0
ć
̚
50
ć
6. Indoor units combination
6.1 Indoor unit combination for M2OA-18HRDN1
One unit
Two unit
7 7+7
9+9
9 7+9
9+12
12 7+12
Instruction:
The total indoor units nominal capacity should not exceed 5.8kw for M2OA-18HRDN1;
HOS-18U2IM
AND
HOS-21U11IM
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