Blodgett BCX14E - Page 41

B l o d g e t t O v e n
Page
38
~ Combi Mode with Heat Light Active ~
# Components Testing
Test Points
Black lead Red Lead
Voltage
AC + DC
1
BCX2 (Logic Board)
J3 Connector (J3-1) GY-1 J1 Connector (J1-4) RD-1
24 VDC
2
BCX2 (Logic Board)
J4 Connector (J4-1) V-6 J1 Connector (J1-4) RD-1
24 VDC
3
BCX2 (Logic Board)
J4 Connector (J4-2) Y-1 J1 Connector (J1-4) RD-1
24 VDC
4
BCX2 (Logic Board)
J4 Connector (J4-6) BL-
2
(Active 25%)
J1 Connector (J1-4) RD-1
24 VDC
5
( IFB ) Relay Board
J4 Connector (J4-2) W-2 J4 Connector (J4-1) RD-2
24 VDC
6
( IFB ) Relay Board
J4 Connector (J4-2) W-2 J4 Connector (J4-3) OR-22
24 VDC
7
( IFB ) Relay Board
J4 Connector (J4-2) W-2 J4 Connector (J4-4) OR-22
24 VDC
8
( IFB ) Relay Board
J4 Connector (J4-2) W-2 J4 Connector (J4-6) BL-1
24 VDC
9
RH Contactor Hot Air
HA Contactor (A2) White HA Contactor (A1) Red
24 VDC
10
( IFB ) Relay Board
J6 Connector (J6-2) W-1 J6 Connector (J6-1) RD-1
24 VDC
11
( IFB ) Relay Board
J6 Connector (J6-2) W-1 J6 Connector (J6-3) Y-3
24 VDC
12
( IFB ) Relay Board
J6 Connector (J6-2) W-1 J6 Connector (J6-4) Y-3
24 VDC
13
( IFB ) Relay Board
J6 Connector (J6-2) W-1 J6 Connector (J6-5) RD-16
24 VDC
14
LH Contactor Steam
Steam Contactor (A2) White Steam Contactor (A1) Red
24 VDC
~ Boiler Float Level Troubleshooting ~
# Components Testing
Test Points
Black lead Red Lead
Voltage
AC + DC
1
( IFB ) Relay Board
J8 Connector (J8-2) BK-4 J8 Connector (J8-1) RD-4
24 VDC
2
( IFB ) Relay Board
(Hi_Lvl Float Closed)
J8 Connector (J8-2) BK-4 J8 Connector (J8-3) V-3
24 VDC
3
( IFB ) Relay Board
(Hi_Lvl Float Open)
J8 Connector (J8-2) BK-4 J8 Connector (J8-3) V-3
0 VDC
4
( IFB ) Relay Board
(Lo_Lvl Float Closed)
J8 Connector (J8-2) BK-4 J8 Connector (J8-4) BL-6
24 VDC
5
( IFB ) Relay Board
(Lo_Lvl Float Open)
J8 Connector (J8-2) BK-4 J8 Connector (J8-4) BL-6
0 VDC
6
( IFB ) Relay Board
(Hi_Lvl Float Closed)
J8 Connector (J8-5) V-
5
(To Fill Solenoid)
J8 Connector (J8-1) RD-4
24 VDC
7
( IFB ) Relay Board
(Lo_Lvl Float Closed)
J8 Connector (J8-6) Bl-
10
(To Fill Solenoid)
J8 Connector (J8-1) RD-4
24 VDC