Bcx14G Steam Flow Chart From Jan 2007 To Sept 2010 - Blodgett BCX14G Troubleshooting Manual

BCX14G
BCX14G STEAM FLOW CHART
+24Vdc_H
24Vdc_Rtn_L
Oven On
o o
1+3 #2
Mode_Sw
o o
5,7,9 #8
(Switch Closed)
24Dcv
- +
Boiler_OverTemp_H_AC
Pwr_On
Heat_Demand (Active for standing
Steam_Demand
Delime T2 Transformer
24Vac_Rtn # 6
Logic Board
J1
24Vdc_Rtn_L
J1-1
+24Vdc_H
J1-4
Oven_On_L
J1-6
Logic Board
J3
Input
(J3-2)
Amber
LED
# 3 &
#6
Logic Board
J1-1 BK
J1 Connector
o
o
pilot)
24Acv
- +
Boiler_Main_On_H_AC
FIGURE 5
95
TMR1
A2
Heat_Demand_In_L
J2-1
24Vdc_Rtn
No
Com
IFB
J1-12
o 24Acv_H
J6-3
J6-4 J6-1
J6-5 J6-2
U9 Ing_Mod
P
PV
THS
MV
Sense
Main
Gas
Valve
CR1
15
#7
#11
#14
Logic Board
J4
Green
Output
LED
# 10
J4-6
J4-1
Boiler_Ena_L
+24Vac_H
24Vac_Rtn_L