MXZ-5C42NA3 Service Manual

92
3. 12-class unit in single operation (OUTDOOR UNIT: MXZ-2C20NA2 MXZ-2C20NA3 MXZ-2C20NA4)
(1) COOL operation
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)
48 Hz
40 Hz
40 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 indoor humidity
50%
Air ow speed: High
Inverter output frequency: 40 Hz
<How to work xed-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 40 Hz (COOL) or 48 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.
(2) HEAT operation
Data is based on the condition of indoor humidity
75%
Set air ow to High speed.
Inverter output frequency is 48 Hz.
OBH702M