Mitsubishi Electric MXZ-2C20NAHZ, Service Manual

Page: 57 / 96

57
5. 18-class unit in single operation (OUTDOOR UNIT: MXZ-3C24NA MXZ-3C30NA MXZ-4C36NA
MXZ-3C24NA2 MXZ-3C30NA2 MXZ-4C36NA2)
(1) COOL operation
(2) HEAT operation
65 70 75 80 85 90 95 100 105 110 115
120
130
140
150
160
170
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)
32 Hz
24 Hz
24 Hz
65
70
75
Indoor Dry-bulb temperature (
˚F)
Indoor Dry-bulb temperature (
˚F)
Indoor Dry-bulb temperature (
˚F)
Data is based on the condition of outdoor
humidity 75%.
Set air flow to High speed.
Inverter output frequency is 32 Hz.
Air flow speed: High
Inverter output frequency: 24 Hz
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 located
on indoor unit.
2. Press emergency run ON/OFF button.
3. Compressor starts running at 24 Hz (COOL) or 32 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.
OBH702E