Watts AERCO Benchmark 2.0LN, Operating & Maintenance Instructions

Page: 97 / 101

APPENDIX H
H-5
CLOSURE SWITCH
PROOF OF
NC
C
G
N
H
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
BMK
2.
0
LN
WIRING SCHEMATIC
68002
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
460
VAC
, 3
PHASE
150 151
153 152 153
152
151
150
7
133
134
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
172
171
170
169
168
167
166
165
164
163
162
161
149
148
147
146
145
141
149
148
146
145
147
136
137
209
208
L3 L2 L1 GND
200
210
203
314
315
POWER BOX
120
VAC
MOTOR
BLOWER
460
VAC
3O
60
HZ
300
L1 L2 L3 A1
T1
MCR
T2
T1 T2
301
95
/NC
T3 A2
303
T3
302
RELAY WITH
OVERLOAD
CONTROL TRANSFORMER
H
2
316
H
1
317
H
4 460
VAC
H
3
X2
X1
4
AMPS
XF
315
FUSE
120
VAC
205
260
263
262 261
260
GROUND BLOCK
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
.
GLF
A
REVISIONS
REV
ECO
021606
PH
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
A
SHEET
1
OF
2
REV
DWG
. NO
.:
INTERNATIONAL INC
.
GND
321
TO CONTROL BOX
{
321
320
319
206
261 262
263
316
319
300
317
314
1
K