Service Manual

73
14. 15-class unit in single operation
(OUTDOOR UNIT: MXZ-5C42NA MXZ-2C20NAHZ MXZ-3C24NAHZ MXZ-3C30NAHZ
MXZ-5C42NA2 MXZ-2C20NAHZ2 MXZ-3C24NAHZ2 MXZ-3C30NAHZ2)
(1) COOL operation
Data is based on the condition of indoor
humidity 50%
Air flow speed: High
Inverter output frequency: 18 Hz
(2) HEAT operation
<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.
65 70 75 80 85 90 95 100 105 110 115
120
130
140
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170
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160
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Outdoor low pressure
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20 Hz
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18 Hz
18 Hz
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65
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Data is based on the condition of outdoor
humidity 75%.
Set air flow to High speed.
Inverter output frequency is 20 Hz.
OBH702F