12 G—G770BGJ 100% Lockout, Microprocessor-Based Intermittent Pilot Ignition Control
S ta rt
P ilo t va lve
co n n e ctio n s
co rre ct a n d
se cu re ?
C o n n e ct p ilo t va lve
se cu re ly
b e tw e e n T e rm in a l 1
a n d g ro u n d .
2 4 V A C
b e tw e e n T e rm in a l 1
a n d g ro u n d ?
Ye s
N o
N o
R e p la ce
co n tro l.
Ye s
Is in le t
g a s p re ssu re
p e r m a n u fa ctu re r's
sp e cifica tio n s?
C o rre ct g a s
p re ssu re .
N o
Ye s
G a s a t p ilo t
b u rn e r?
N o
M a ke su re p ilo t lin e is
n o t o b stru cte d . C h e ck
fo r cle a n o rifice .
Ye s
If O K ,
re p la ce p ilo t
va lve .
N o
C o rre ct o r
re p la ce p ilo t
b u rn e r.
Is sp a rk g a p
p e r m a n u fa ctu re r's
sp e cifica tio n s a n d
lo ca te d in p ilo t
stre a m ?
Ye s
S h ie ld fro m
d ra fts.
E n d
Figure 6: Spark Present, but Pilot Does Not Light