Heat Recovery unit CWL-300(B) / CWL-400(B) with option PCB
5
7
Slide the fan unit forward from the appliance far enough to
access the basic pcb.
8
Mount the 6 pcb feet that came with the option pcb. Then
press the option pcb on the pcb feet and connect the 2
cables from the option pcb to the basic pcb (connector X12
and X13; see also §9.4 in the installation instructions CWL
300/400). Connect the desired options to the option pcb;
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the top panel and feed the additional cables through those
out of the appliance.
9
Slide the fan unit back into the appliance.
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11 Place the heat exchanger back into the appliance.
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the exchanger.
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15 Switch on the appliance on the control panel (simultane-
ously press keys “
OK
” and “
+
“ for 3 seconds).
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-
dication must be reset by pressing key “
OK
” for 1 second.
Assembly option PCB
Chapter 2
5383-0
5442-0
2.2 Connections option pcb
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The moment the option pcb is connected, it will automatically
be detected by the basic pcb.
A
=
Switching input for incident
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C
=
Programmable make contact P1
D
=
Programmable make contact P2
E
=
Temperature sensor postheater
F
=
Input moisture sensor
G
=
Input CO
2
sensor
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,
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J
=
Fuse postheater 4AT
K
=
Switching output postheater
L
=
Switching output preheater
M
=
Fuse preheater 4AT
