Operating instructions
12 11 10 9 8 7 6 5 4 3 2 1
B1
B3
B5
B1
B1
B
A
C
D
B5
2.1
2.7
5.1
2.2
1.2 1.5
2.12
1.121.13
1.1
l)
k)
a6)
a2)
a3)
a4)
a5)
2.7.1
WHITE
BROWN
BLUE
BLUE
BLACK/RED
BROWN/BLACK
YELLOW
YELLOW
GREY
GREY
RED
VIOLET
GREEN
ORANGE
BLACK
RED
BROWN
GREEN
C4
C3
C2
C1
B4
B3
B2
B1
A4
A3
A2
A1
g)
b)
8 9 2 7 11 17 3 6 14 18 15 16 10 13 5 4 1 12
BROWN
RED
BLUE
YELLOW
WHITE
RED
BROWN
RED
BROWN
BROWN
3.1.1
h)
YELLOW
BLUE
LED
Push/Pull switch
7 Day timer
RED
YELLOW
BROWN
15 (K)
0
0
31
Optional
Yellow
Red
Brown
Blue
DIAG
TRS
Brown
Grey
Black
K (15)
Diagnostic
25 2227 05 only
21
HHeeaatteerr OOppeerraattiioonn
HHyyddrroonniicc MM WWiirriinngg DDiiaaggrraamm -- 1122 VVoolltt aanndd 2244 VVoolltt -- EEnnggiinnee HHeeaatt OOnnllyy
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 main fuse (12V)
2.7.1 5 amp switch fuse
3.2.9 7 day timer, push/pull switch
or 99hr. timer
5.1 Battery
a) vehicle blower step switch
b) vehicle ignition terminal
c) external control (water pump)
d) diagnostics
e) switch
f) power
g) ground
h) LED for flashing code
LED
2255 22116600 0055 -- 1122VV
2255 22222277 0055 -- 2244VV










