AERCO BMK 3.0 LN Nat. Gas for Mass. only - Manual (Page 114)

APPENDIX H
H-6
7
6
7
5
3
4
6
1
2
OUT
IN
OUT
IN
IN
OUT
NOT USE D
DE LAYED I NT LK
EXHAU ST T EMP
RE MO TE I NTL K
N.O .
C
4
3
5
1
2
NOT USE D
N.C .
C
N.O .
N.C .
AUX
RELA Y
12
13
14
11
SENSOR EXCIT . ( 12 VDC )
BMS (P WM) I N
ANALOG I N
OXYGEN SENSOR IN
FL OW SENSOR IN
CO SENSOR IN
+
-
-
+
-
+
-
+
AUX SEN SOR I N
SENSOR CO MMO N I N
-
+
1
OUT DOOR AIR SENSO R I N
9
8
7
5
3
4
2
6
10
OUT
IN
LONWO RKS
A
B
GND
4
1
2
1
-
+
2
2
1
3
3
ANAL OG OUT
15
16 SHIE LD
B
RS -4 85 IN
A
+
-
358
359 359
358
+
-
TO V FD
TO V FD
FAU LT
REL AY