Mitsubishi Electric MXZ-2A20NA-1, Service Manual

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2. 12-class unit in single operation (OUTDOOR UNIT : MXZ-2A20NA MXZ-2A20NA - )
(1) COOL operation
1
65 70 75 80 85 90 95 100 105 110 115
120
140
150
160
170
130
Ambient temperature(
°
F)
(
°
F)
86
80
75
70
86
80
75
70
15 20 25 30 35 40 45 50 55 60 65 70 75
2.0
3.0
4.0
5.0
6.0
7.0
Ambient temperature(
°
F)
65 70 75 80 85 90 95 100 105 110 115
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Ambient temperature(
°
F)
(
°
F)
(
°
F)
(PSIG)
Outdoor low pressure
Outdoor unit current (A)
Outdoor unit current (A)
45Hz
33Hz
33Hz
65
70
75
Indoor DB temperature(
°
F)
Indoor DB temperature(
°
F)
Indoor DB temperature(
°
F)
2
Air flow speed : High
3
Inverter output frequency : 33Hz
(2) HEAT operation
1
Data is based on the condition of indoor
humidity 50%
<How to work fixed-frequency operation>
1.Set emergency switch to COOL or HEAT.The switch is locat-
ed on indoor unit.
2.Press emergency run ON/OFF button.
3.Compressor starts running at 33Hz (COOL) or 45Hz (HEAT).
4.Indoor fan runs at High speed and continues for 30 minutes.
5.To cancel this operation,press emergency run ON/OFF button
or any button on remote controller.
2
Set air flow to High speed.
3
Inverter output frequency is 45Hz.
1
Data is based on the condition of outdoor
humidity 75%.
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