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[Heating]
• According to indoor pipe temperature, automatic heating fan speed is determined as follows.
B. Feedback control
• Immediately after the fan motor started, feedback control is performed once every second.
• During fan motor on, if fan motor feedback
increase, fan motor is then stop and restart. If the fan motor counter becomes 7 times, then H19 - fan motor error is detected.
Operation stops and cannot on back.
13.3. Indoor Fan Motor Operation
13.3.1. Residual Heat Removal Control
• To prevent high pressure at indoor unit, when heating mode thermostat-off condition or power supply OFF, indoor fan continue to
operate at controlled fan speed for maximum 30 seconds then stop.
13.4. Outdoor Fan Motor Operation
Outdoor fan motor is operated with one fan speed only. It starts when compressor starts operation and it stops 30 seconds after
compressor stops operation.
2550 rpm or < 50 rpm continue for 10 seconds, then fan motor error counter
38
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