
36
AHU Kit – Installation Instructions –
11/2021
Product description
3
System Overview – PACi and PACi NX systems
Single-connection
1
system only
Strainer (liquid pipe & gas pipe)
min. Ø 25.4 mm (field supplied)
A AHU Kit enclosure (complete)
B AHU system (field supplied)
C Remote controller (integrated in AHU Kit enclosure)
D Outdoor unit
E Liquid piping (field supplied)
F Gas piping (field supplied)
G Thermistor for liquid pipe (E1)
H Thermistor for heat exchanger pipe middle (E2)
I
Thermistor for suction air (TA)
J Inter-unit wiring
K Magnetic relay for operating the blower (field sup-
plied)
1
With all PACi and PACi NX outdoor units only 1-to-1 installations are allowed.
System example for PACi and PACi NX single-connection system
SET
AL1
OUT
ATU
PV
SV
ºC
ºC
PACi outdoor unit
Piping
Outdoor unit /
indoor unit wiring
Wiring for
temperature sensors
Air Handling Unit
PAW-280PAH2
SET
AL1
OUT
ATU
PV
SV
ºC
ºC
PACi NX outdoor unit
Piping
Outdoor unit /
indoor unit wiring
Wiring for
temperature sensors
Air Handling Unit
PAW-280PAH3
NX
31.08.2021, cH
New drawing inserted as per ii_AHUkit21_EN_
v3_2021.08.11pa.pdf
Содержание PAW-280PAH3M-1
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