11
Data is based on the condition of indoor humidity 50%.
Air flow should be set to High speed.
MSZ09UN
(Cooling)
Data is based on the condition of outdoor humidity 75%.
Air flow should be set to High speed.
Data is for heating operation without any frost.
MSZ09UN
(Heating)
68 70
75
80
85
90
95
100 104(
°
F)
40
45
50
55
60
65
70
75
80
85
90
95
100
(PSIG)
Condensing pressure
86
80
75
70
Suction pressure
Outdoor ambient temperature
Indoor DB temperature (
°
F)
(PSIG)
86
80
75
70
68 70
75
80
85
90
95
100 104(
°
F)
140
160
180
200
220
240
260
280
300
Indoor DB temperature (
°
F)
Outdoor ambient temperature
75
70
65
(PSIG)
Condensing pressure
Outdoor ambient temperature
5
10 15 20 25 30 35 40 45 50 55 60 65 70
(
°
F)
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310
Indoor DB temperature(
°
F)
75
70
65
(PSIG)
Suction pressure
Outdoor ambient temperature
5
10
15
20
25
30
35
40
45
50
55
60
65 70(
°
F)
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
Indoor DB temperature (
°
F)
4-3. Condensing pressure
How to operate with fixed operational frequency of the compressor.
1. Press the EMERGENCY OPERATION switch on the front of the indoor unit, and select either EMERGENCY COOL mode
or EMERGENCY HEAT mode before starting to operate the air conditioner.
2. The compressor starts up.
The operational frequency of the compressor is MSZ09UN: 64Hz, MSZ12UN: 70Hz in EMERGENCY COOL mode and
58Hz in EMERGENCY HEAT mode.
3. The fan speed of the indoor unit is High.
4. This operation continues for 30minutes.
5. In order to release this operation, press the EMERGENCY OPERATION switch twice or once, or press any button on the
remote controller.
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