Manual_S5_Airplus_2015_04_20
Page 20 / 68
©
Wodtke GmbH - Tübingen. All Rights and Changes Reserved.Printed 04/2015
Part No. 950 976
8.2
Internal Wiring Diagram
Fig. 32: wiring diagram, PO 03 series
PC Tool 2
Diagnostic
system
(accessory)
Control board
A
ir
v
o
lum
e s
ens
o
r
The
rm
o
co
up
le
N
iC
r-
Ni
External Inputs
and Outputs
Analogue (modulation-)
input
or
and
ON
OFF
Pellet drawer
Combustion chamber door
Ash drawer door
Grate open
Grate closed
C
o
ntr
o
l bo
ar
d
B
o
iler
s
ens
. i
nte
rn
Output
sensor
Uni
t i
nt
e
rna
l s
wi
tc
h
(m
o
ni
to
ri
ng
f
un
ct
io
ns
)
D
ig
it
al
inp
ut
s
(i
nt
er
na
l 24V
D
C
su
pp
ly
)
Caution!
Voltage
Disconnect power plug
before working on unit!
Internal Outputs
(230 V AC)
Screw motor
Igniter element
red
red
black
black
Capacitor
black
blue
green/yellow
Regulated
draft fan
Cleaning
Screw
Ignition
Fan
Grate
Fuse
vi
o
let
vi
o
let
b
lack
b
lack
gr
ee
n
/y
el
lo
w
Fuse
Ground
brown
blue
green/yellow
Mains plug
(e.g. for use as fault
message)
(e.g. for use as
operating message)
Mains
Pump
Ou
tp
u
ts
Operating message
potential-free
e.g. for connection to DS01