Watts AERCO Benchmark 2.0, User Manual

Page: 79 / 97

APPENDIX F
F-8
BENCHMARK DUAL FUEL
AP
-A
-745
CZ
071001
APPD
.
CHKD
.
DWN
.BY
SIZE
SCALE
DATE
REV
.
NORTHVALE
, NJ
07647
INTERNATIONAL
, INC
.
AERCO
1"
-SCH
.40
PIPE
2"
-SCH
.40
PIPE
1"
NORMALLY OPEN
VENT VALVE P/
N
123769
2"
SAFETY SHUT
-OFF
GAS VALVE P/
N
124142
SAFETY SHUT
-OFF
VALVE ACTUATOR w
/
PROOF OF CLOSURE SWITCH P/
N
124138
2"
NPT
DIVERTER VALVE P/
N
124274
VENT TO ATMOSPHERE PER ANSI Z
223
.1
(NFPA
54
)
NTS
BOILER BOUNDARY
TO AIR
-FUEL VALVE ASS
'Y
SSOV
1
SSOV
2
TEST COCK
LOW GAS PRESS
. SWITCH
P/
N
: 123866
HIGH GAS PRESS
. SWITCH
P/
N
: GP
-122412
2"
NPT NATURAL GAS
DIFFERENTIAL PRESSURE REGULATOR P/
N
123541
1 1
/4
" NPT PROPANE
DIFFERENTIAL PRESSURE
REGULATOR
P/
N
122415
IRI GAS TRAIN
E
1/
4"
NPT PLUG
(INSTALL MANOMETER HERE
)
2"
DOUBLE BODY
CONNECTING FLANGE P/
N
124156
ENTIRE DUAL
-FUEL IRI GAS TRAIN
P/
N
: 201219
SAFETY SHUT
-OFF
VALVE ACTUATOR w
/o
PROOF OF CLOSURE SWITCH P/
N
69038