Watts AERCO Benchmark 2.0, User Manual

Page: 92 / 97

APPENDIX H
H-6
CONTROL BOX CONNECTORS
2M BTU BOILER SYSTEM WIRING SCHEMATIC
161616
12
10
11
13
14
16
15
17
18
19
21
20
22
23
24
24
-PIN CONNECTOR
241
240
242
243
244
245
251
246
250
247
252
254
253
9
6
8
7
5
4
3
1
2
212
220
221
211
219
16
-PIN CONNECTOR
8
5
4
6
7
9
1
2
3
11
16
14
15
13
12
10
226
213
214
216
215
7
6
7
5
3
4
6
1
2
OUT
IN
OUT
IN
IN
OUT
FAULT
RELAY
NOT USED
DELAYED INTLK
EXHAUST TEMP
REMOTE INTLK
N.O .
C
4
3
5
1
2
NOT USED
N.C .
C
N.O .
N.C . RELAY
AUX
12
13
14
11
SENSOR EXCIT. ( 12 VDC )
BMS (PWM ) IN
ANALOG IN
OXYGEN SENSOR IN
FLOW SENSOR IN
CO SENSOR IN
+
-
-
+
-
+
-
+
AUX SENSOR IN
SENSOR COMMON IN
-
+
1
OUTDOOR AIR SENSOR IN
9
8
7
5
3
4
2
6
10
OUT
IN
LONWORKS
A
B
GND
4
1
2
1
-
+
2
2
1
3
3
ANALOG OUT
15
16
SHIELD
B
RS-485 IN
A
1
2
4
3
7
8
6
5
9
10
12
11
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
12
11
10
9
13
14
15
231
234
232
233
238
236
235
237
239
INPUT
/OUTPUT BOX
460
VAC
, 3
PHASE
+
-
LS
2
1
LS
1
LS
4
LS
3
J3
J2
J1
AS FOLLOWS UNLESS OTHERWISE SPECIFIED
THIRD ANGLE PROJECTION
ALL DIMENSIONS ARE IN INCHES AND ALL TOLERANCES ARE
XX ±
.015
XXX ±
.005
FRACTIONS
1/
32
± ANGLES ±
1°
PERPENDICULARITY
/PARALLELISM
/FLATNESS
.003
TOTAL
DIAMETERS ON A COMMON AXIS
ALL DIMENSIONS ARE AFTER FINISH OR PLATING
SEE SHEET ONE
THESE DRAWINGS AND
/OR SPECIFICATIONS ARE THE PROPERTY OF AERCO INTERNATIONAL
, INC
. THEY ARE ISSUED IN STRICT CONFIDENCE AND
SHALL NOT BE REPRODUCED
, COPIED
, OR USED AS THE BASIS FOR MANUFACTURE OR SALE OF APPARATUS WITHOUT PERMISSION OF THE OWNER
.
REVISIONS
REV
ECO
CK
'D
DATE
BY
159
PARIS AVE
, NORTHVALE
, N
.J
.
061302
MD
ORIGINAL
B
DRAWN BY
:
DATE
:
DATE
:
CHECKED BY
:
DWG
. SIZE
MAT
'L SPEC
.:
TITLE
.005
TOTAL
D
SHEET
2
OF
2
REV
DWG
. NO
.:
INTERNATIONAL INC
.