22
Heater Diagnostics
Optional
e)
Optional
Optional
f)
Red
2.7.1
M
Brown
Black
Brown
Violet
Brown
White
Green
Green
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
Blue/White
DIAG
TRS
Yellow
Red
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)
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/Yellow
Red
Brown
Red
Brown
Black/Red
Green
Blue/White
Blue
Yellow
Black/White
S1
B1
S1
B1
B3
2.1
1.1
2.12
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
2.2
h)
HydronicD5SC 24Volt
Model 25 2147 05
WiringHarnessP/N:
20 2900 70 20 13
(CA0 60 502-001)
External FMP
NoBlower Relay
Also applicable to:
Hydronic 4& 5 SC 12 volt
Gasoline versions
Model 20 1789 05
20 1791 05
20 1820 05
20 1824 05
25 2325 05
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
