AERCO BMK 3.0 LN Nat. Gas for Mass. only - Manual (Page 110)

APPENDIX H
H-2
7
6
7
5
3
4
6
1
2
OUT
IN
OUT
IN
IN
OUT
NOT US ED
DELAYED IN TLK
EXHAU ST T EMP
REM OTE IN TLK
N.O .
C
4
3
5
1
2
NO T U SED
N.C .
C
N.O .
N.C .
AUX
RELA Y
12
13
14
11
SENSOR EXCIT . ( 12 VDC )
BMS (P WM) IN
ANAL OG IN
OXYGEN SENSO R IN
FLOW SEN SOR IN
CO S EN SO R IN
+
-
-
+
-
+
-
+
AUX SEN SOR IN
SENSOR CO MM ON IN
-
+
1
OUT DOOR AIR SENSOR IN
9
8
7
5
3
4
2
6
10
OUT
IN
LON WO RKS
A
B
GND
4
1
2
1
-
+
2
2
1
3
3
ANAL OG OUT
15
16 SHIE LD
B
RS -485 IN
A
+
-
358
359
ANAL OG OUT
359
358
+
-
TO V FD
TO V FD
FAU LT
RELA Y