Mitsubishi Electric MXZ-2C20NA2 Service Manual page 103

14. 15-class unit in single operation
(OUTDOOR UNIT: MXZ-5C42NA
MXZ-2C20NAHZ MXZ-2C20NAHZ2 MXZ-2C20NAHZ3 MXZ-2C20NAHZ4
MXZ-3C24NAHZ MXZ-3C24NAHZ2 MXZ-3C24NAHZ3 MXZ-3C24NAHZ4
MXZ-3C30NAHZ MXZ-3C30NAHZ2 MXZ-3C30NAHZ3 MXZ-3C30NAHZ4)
(1) COOL operation
Data is based on the condition of indoor humidity
50%
Air flow speed: High
Inverter output frequency: 18 Hz
(PSIG)
180
170
160
150
140
130
120
65 70 75 80 85 90 95 100 105 110 115
Ambient temperature (˚F)
(2) HEAT operation
Data is based on the condition of outdoor humidity
75%.
Set air flow to High speed.
Inverter output frequency is 20 Hz.
OBH702N
MXZ-5C42NA2 MXZ-5C42NA3
<How to work fixed-frequency operation>
1. Set emergency switch to COOL or HEAT. The switch is located
on indoor unit.
2. Press emergency run ON/OFF button.
3. Compressor starts running at 18 Hz (COOL) or 20 Hz (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.
86
80
75
70
18 Hz
(˚F)
103
MXZ-5C42NA4
6.0
5.0
4.0
3.0
2.0
1.0
0.0
65 70 75 80 85 90 95 100 105 110 115
Ambient temperature (˚F)
7.0
6.0
5.0
4.0
3.0
2.0
15 20 25 30 35 40 45 50 55 60 65 70 75
Ambient temperature (˚F)
86
80
75
70
18 Hz
(˚F)
75
70
65
20 Hz
(˚F)