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

Old Manual Control from Jan 2007 to Sept 2010
BCX14G
BCX14G HOT AIR FLOW CHART
+24Vdc_H
24Vdc_Rtn_L
Oven On
o o
1+3 #2
Mode_Sw
o o
5,7,9 #10 (J3-6)
(Switch Closed)
24Dcv
- +
Cavity_OverTemp_H_AC
Pwr_On
Heat_Demand (Active for standing
Steam_Demand
Delime
T1
Transformer
24Vac_Rtn
# 6
Logic Board
J1
24Vdc_Rtn
J1-1
+24Vdc
J1-4
Oven_On_L
J1-6
Logic Board
J3
Input
Amber
LED
# 6 &
# 9
Logic Board
J1-4 Red
J1 Connector
o
o
Pilot)
24Acv
- +
Main
valve
both
burners
FIGURE 4
94
TMR1
A2 15
Logic Board
Heat_Demand_In
J2-1
24Vdc_Rtn
No
Com
IFB
J1-7
o 24Acv_H
J4-3
J4-4 J4-1
J4-6 J4-2
U7 Ing_Mod
P
PV
THS
MV
Sense
U8 Ing_Mod
P
PV
THS
MV
Sense
CR1
#14
J4
Green
Output
LED
# 13
J4-2
J4-1
Conv_Heat_Ena_L
+24Vac_H
24Vac_Rtn_L