TROUBLESHOOTING
3 --- 4
BC14G HOT AIR FLOW CHART
P5
Tem p
Controller
Contacts
Mode Switch
S1#12
closed for heat
H5
XFMR1
THS2
SPARK
SENSE4
PV1
G
pv
m
IG1
FS1
Combination
valve
L2
24VAC
THS2
SPARK
SENSE4
PV1
pv
IG1
FS1
MV3
C
B
Hot Air IGN2
Hot Air IGN1
9
R205
1
A
D
E
FIGURE 2
