23
Heater Diagnostics
Optional
Brown
Black
Brown
Violet
Brown
White
Red
Red
Blue
Blue
Brown
Blue
1 2 3 4 5 6 7 8 9 10 11 12 13 14
Yellow
Brown
Brown
Brown
Brown
Green
Brown
Blue
Red
Blue/White
DIAG
TRS
Yellow
a) Power frombattery“+”.
b) Switchcontrol toheater.
c) Power frombattery“-”.
d)Diagnostics fromheater.
e)Tovehicledimmer switch for lightdisplay.
f)Tovehicle ignitionaccessories for continuous
operationof heater.
12 11 10 9 8 7 6 5 4 3 2 1
4 3 2 1
1
2
3
4
5
6
7
8
b)
a)
e)
d)
c)
4 3 2 1
2 4 6 8
1 3 5 7
8 6 4 2
7 5 3 1
3.2.9
5.1
2.7
2.2
Red
Red
Red
Red/Yellow
Red
Brown
Red
Brown
Brown
Violet
Brown
Black
Black/Red
Green
Blue/White
Blue
Yellow
Black/White
S1
B1
S1
B1
B3
2.1
1.1
1.2
1.5
1.13
1.12
1 3 5 7 9 11 13
8 7 6 5 4 3 2 1
87
87a 85
30
86
1 2
3 4
B2
B2
P
2 4 6 8 10 12 14
M
2.12
M
2.7.1
Optional
Optional
f)
Hydronic 5S - 12& 24 volt versions
Diesel &Gasoline versions
Model 20 1793 05
12 volt
Model 20 1819 05
12 volt
Model 25 2009 05
24 volt
Model 25 2146 05
24 volt
Model 25 2217 05
12 volt
Model 25 2218 05
24 volt
Model 25 2100 05
12 volt
WiringHarness P/N:
12V 20 2900 70 05 07
(CA0 60 507)
24V 20 2900 70 05 08
(CA0 60 508)
1.1 Blower motor
1.2 Glow pin
1.5 Overheat sensor
1.12 Flame sensor
1.13 Temperature sensor
2.1 Control unit
2.12 Water Pump
2.2 Fuel metering pump
2.7 20 amp/12Vmain fuse
15 amp/24Vmain fuse
2.7.1 5 amp fuse
3.12 Push/Pull switch
3.2.9 7 day timer
5.1 Battery
Red
K(15)
15(K)
Yellow
Brown
31
0
3.1.1
Push/Pull switch
7 day timer
3.12
