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4. Electrical Connections
IQnomic Plus module
Air heater for hot water
The function selector switch
must be set to the 9 position.
Communication cable to the control
unit of the air handling unit, where
it should be connected to one of the
connections for the Internal EIA-485.
Control of circulation pump
Specifications are subject to change without notice.
Valve actuator
G G0 Y
24 V AC*
13
14
15
16 17
4
1
2
3
4 5
1
2
3
4 5
PE N L
Temp. sensor**
1)
for preheated air
Anti-frost
monitor**
R1
RD
– S – S
18
19
20
21
22 23
24
* The 24 V AC power-
supply conductors can
be connected to Termi-
nals 60 (G) and 61 (G0)
in the control unit of
the air handling unit.
** Digital temperature
sensors require correct
L1
L2
polarity they are con-
6
7
8
9
10 11
12
nected.
Pump controls
6
7
Supply voltage to 1-phase pump, max 1.5 A, can be obtained by
wiring to the following terminals inside the air handling unit:
GOLD: Terminal 101 (L), terminal 102 (N).
COMPACT Unit & Top: Terminal 201 (L), terminal 202 (N).
GB.PREHEAT.130225
Jack for wall moun-
ting, 019611
T1
GR
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3
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