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AHU Kit – Installation Instructions –
11/2021
Installation
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.
3. In case of using the additional thermostat (advanced version only) for:
a. target temperature setting based on ambient temperature, install the 3-wired temperature
sensor in a protected location suitable for detecting the proper ambient temperature (avoid
direct sunlight and moisture);
b. demand control based on room supply air temperature install the 3-wired temperature sensor
in the blow-out duct of the AHU where the proper air temperature can be measured.
4.4 Matching outdoor unit capacity with AHU Kit capacity
Matching outdoor unit capacity with AHU Kit capacity – PACi and PACi NX
systems
As all AHU Kit models (PAW-280PAH2(L/M) or PAW-280PAH3M) have only one fixed capacity
and can be combined with the complete range of PACi and PACi NX systems, where outdoor unit
capacities vary from 3.6 (PACi range) or 2.5 (PACi NX range) to 25 kW, it is necessary to change
the settings so that the default capacity check of the PACi or PACi NX outdoor unit is ignored or the
outdoor unit capacity is matched with the AHU Kit capacity.
NX
Содержание PAW-280PAH3M-1
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