PAGE 23
FOR SERVICE TECHNICIAN’S USE ONLY
DO NOT REMOVE OR DES
TROY
Wiring Diagram – Steam
Figure 10 - Wiring Diagram – Steam
IMPORT
ANT
:
Electrostatic discharge may cause damage to machine control electronics. See page 1 for ESD infor
mation.
DL
3
DL
S2
DC
S3
Doorlock
System
IF
HE
2
DP
2
Heater
D
ra
in
P
um
p
N
L1
IF2
1
2
1
2
L
N
3
1
3
1
2
1
1
2
3
1
2
1
2
3
2
1
2
1
DP
2
LO
CK
UN
LO
CK
DR SWITC
H
LK
SWITC
H
1
2
PK
PK
BU
BU
BK
BK
BK
PK
PK
BK
BK
PK
PK
GN
/YL
1
2
L1
N
L1
N
RP
2
Fa
n
AV
3
1
RD
RD
1
2
3
VC
H7
VS
F2
Valve
Assembly
1
2
3
3
1
2
3
4
5
6
7
3
3
1
COLD
HO
T
ST
EA
M
CV
HV
SV
1
1
RD
RD
BU
BU
BU
BU
DI6
D
isp
en
se
r
1
2
3
4
5
6
3
1
2
1
DIS MO
TO
R
DIS
SWITC
H
DI
BU
BU
BU
BU
Vcc
Switch Position
Vcc
Door Sw Out
M
oto
r
M
S2
M
I3
M
1
2
1
2
3
M
O
TO
R
C
O
N
TR
O
L
U
N
IT
1
2
3
2
1
PK
PK
BU
BU
BU
GND
Data
Vcc
CENTRAL
CONTROL
UNI
T
UI7
FM
3
PS
8
SE
T2
Flow
Mete
r
USER
INTERF
AC
E
Te
mp
Sensor
Pre
ss
ure
Se
ns
or
Drum
Light
1
2
3
1
3
5
1
4
3
2
1
2
3
4
5
6
7
C2
1 2
3
1
2
P1
3
1
2
1
2
1
2
3
4
5
6
7
8
YL
YL
BU
BU
BU
BU
BU
BU
BU
BU
BU
BK
BK
BK
BK
Vcc
Vcc
Vcc
Standby
Vcc
GND
Data
Flow Meter Out
GND
Overflow Level
Heater Trip
Analog Input
6
5
4
3
2
1
Vcc,
+5
V
GN
D
-7V
+5V
+12
V
-7V
Vcc
GND
Vcc (reference voltage)
+5V
(GND
to
Vcc)
+12V (-7V to Vcc)
Voltage
References
Temp Sensor Out
50–74
Ω
50–74
Ω
890–1.1k
Ω
890–1.1k
Ω
890–1.1k
Ω
1400–1600
Ω
10–20
Ω
Approx. 16
Ω
G
Ea
ch
W
ind
ing
8.5
–1
4
Ω
BU