Panasonic CS-E9PB4EA Service Manual

Also see for CS-E12PB4EA: Operating instructions Service manual

Contents

Panasonic CS-E9PB4EA Service Manual Manual pdf 54 page image

54[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 ≥ 2550 rpm or < 50 rpm continue for 10 seconds, then fan motor errorcounter increase, fan motor is then stop and restart. If the fan motor counter becomes 7 times, then H19 - fanmotor error is detected. Operation stops and cannot on back.12.3 Outdoor Fan Motor Operation It starts when compressor starts operation and it stops 30 seconds after compressor stops operation. During cooling operation, and outdoor ambient temperature is below 8°C, outdoor fan speed will be controlledaccording to outdoor piping temperature as following:OD Pipe TemperatureE9PB4EA E12PB4EAA 28°C 26°CB 33°C 33°C During above condition, when indoor heat exchanger temperature is below 5°C, the outdoor fan will stopaccording to outdoor piping temperature as following: