Proheat X45–School Bus User Manual
Page 42
SECTION 3. INSTALLATION
3-21
P
R
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P
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A
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G
R
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(+
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2
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2
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T
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2
4
V
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C
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IN
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A
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N
CA
N
Bu
s
RS
23
2
&
9
9
9
4
0
0
P
O
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A
U
X
IL
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Y
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P
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P
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-I
II
S
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P
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Co
ol
en
tH
ea
te
r
Bu
sA
pp
lic
at
io
ns
Ap
pr
ov
ed
fo
rU
se
in
Re
qu
ire
m
en
ts
D
ie
se
lF
ue
le
d
Ve
ch
ic
le
Th
is
Pr
od
uc
tM
ee
ts
FH
W
A
Bu
sH
ea
te
r
W
A
S
H
F
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S
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1
5
A
D
O
N
O
T
Pr
ot
ec
te
d
by
US
Pa
te
nt
s
5,
87
8,
95
0
an
d
6,
08
2,
62
5
T
IM
E
C
LO
C
K
M
A
N
U
A
L
D
A
Y
T
IM
E
R
Figure 3-29
Preheat and Supplemental Wiring Diagram.
S
e
e
p
a
g
e
3
-1
3
fo
r
w
ir
in
g