Watts AERCO Benchmark 2.0LN, Operating & Maintenance Instructions

Page: 93 / 101

APPENDIX H
H-1
CLOSURE SWITCH
PROOF OF
NC
C
G
N
H
149
148
146
145
147
GND
1
2
3
4
5
6
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
10
11
12
CONTROL BOX CONNECTORS
LOW GAS PRESS. SW .
BLOWER PROOF SW.
SAFETY SHUTOFF VALVE
OVER TEMPERATURE SWITCHES
IGNITOR
TRANSFORMER
WATER LEVEL PROBE
FLAME ROD
SHELL TEMP
.
SENSOR
2M BTU BOILER SYSTEM WIRING SCHEMATIC
161614
16
-PIN CONNECTOR
19
-PIN CONNECTOR
9-
PIN CONNECTOR
7-
PIN CONNECTOR
MANUAL RESET
HIGH GAS PRESS. SW .
STEPPING
MOTOR
PURGE
POSITION
IGNITION
POSITION
SWITCH
SWITCH
AIR
/FUEL VALVE
BLK
YEL
WHT
53
5K
C
B
A 3
RED
GRN
BLU
2
10
K
1
220
VAC
, 1
PHASE
150 151
153 152 153
152
151
150
7
18
19
17
16
14
15
16
13
154
AUTO RESET
IGNITION
XFORMER
24
VAC
194 193 192 191 190 195
202 206 209 208 210 203 201 204
FUSE
FUSE
207
205
204
202
209
201
200
191
141
194
193
137
155
136
154
135
192
138
140
190
195
149
148
147
146
145
141
136
137
209
208
L2 L1 GN D
POWER BOX
MOTOR
BLOWER
230
VAC
3O
60
HZ
300
261
262
205
301 302 210
RELAY
260
262 261
206
206
300
NEU
200
GROUND BLOCK
SHEET
1
OF
2
320
321
{
TO CONTROL BOX
ADDED GROUND WIRES
320
&
321
FYP
B
100703
JM
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
RELEASED FOR PRODUCTION
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
.
FIM
A
REVISIONS
REV
ECO
061302
MD
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
C
REV
DWG
. NO
.:
321
C
GKU
GENERAL CORRECTIONS TO SCHEMATIC
031603
MC
166
171
169
167
170
172
173
168
165
163
161
162
164
133
134
MCR
T2
L2
T2
L1
T1
T1
T3
L3
T3
A2
A1
120
VAC
95
/NC
1K
203
INTERNATIONAL INC
.