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23
Th
re
e T
Ti
m
es
(F
la
sh
PP
at
te
rn
B
eg
in
s i
in
44
0
S
ec
on
ds
AA
ft
er
C
on
di
tio
n
O
cc
ur
s.
) T
Th
e
M
od
ul
e H
H
as
G
on
e i
in
to
SS
af
et
y
Lo
ck
ou
t.
Is Proper Fuel
Supplied to Heater Inlet?
Connect Pr
oper F
uel
Supply t
o Heat
er
.
Open All Gas Shut
of
f
Valv
es.
Ye
s
No
Is Pr
oper Gas
Pressure Supplied t
o
Heat
er?
Ye
s
Ye
s
Pr
ovide Pr
oper Gas Supply
Pressure t
o Heat
er
.
R
ef
er t
o Dataplat
e