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4.3.3 Installation of thermistor on heat exchanger pipe middle
Installation of thermistor on heat exchanger pipe middle – PACi and PACi NX
systems
NX
Mount "E2" thermistor to the heat exchanger pipe middle according to the following instructions.
1. Attach the heat exchanger pipe middle thermistor in the middle of each pass-line (pipe) in the
heat exchanger.
2. Cover the thermistor and pipe with aluminum tape (field-supplied).
3. Fix thermistor with two bands. Then, run the wire downwards in a loop, to avoid putting tension
to it
4. Cover the aluminum tape with thermal insulation. And also cover the sensor (copper portion)
with thermal insulation completely.
4.3.4 Installation of thermistor for suction and discharge air stream
Mount the suction and discharge air thermistors according to the following instructions.
1. For ECOi, ECO G, PACi and PACi NX systems, attach the suction air thermistor (TA) to the
position where air suction temperature can be measured.
2. In addition to this, for ECOi and ECO G systems attach also the discharge thermistor (BL) to the
position where air discharge temperature can be measured.
AHU Kit – Installation Instructions – 07/2023
Installation
4
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