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Installation
4.3.1 Installation of thermistor on gas pipe
Installation of thermistor on gas pipe – ECOi and ECO G systems
Mount "E3" thermistor to the gas pipe of the AHU heat exchanger according to the following
instructions.
For PAW-160MAH2(L/M)
1. Attach the gas pipe thermistor onto the collecting gas pipe in the heat exchanger.
2. Cover the thermistor and pipe with aluminum tape.
3. Cover the aluminum tape with thermal insulation.
4. Fix thermal insulation and wiring with two bands. Then, run the wire downwards in a loop, to
avoid putting tension to it.
For PAW-280MAH2(L/M) and PAW-560MAH2(L/M)
1. Upon delivery, for PAW-280MAH2(L/M) and PAW-560MAH2(L/M) there is a sensor sleeve
soldered to the gas pipe after the expansion valve: Insert the sensor together with some heat
sink paste into the sensor sleeve.
2. Fasten the sensor in an appropriate way (e.g. with a little clip) to prevent it from falling out of the
sleeve.
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AHU Kit – Installation Instructions – 11/2021
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