Owner manual

APPENDIX G: PIPING DRAWINGS
Page 138 of 152 PR2: 05/09/12
Benchmark 1.5LN Low NOx Boiler
Operation and Maintenance Manual
OMM-0041_0D
GF-120
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 • Ph: 800-526-0288
HEATING SYSTEM
RETURN FROM
SUPPLY TO DOMESTIC
STORAGE GENERATOR COIL
MOTORIZED
GLOBE VALVE
P&T
P&T
P&T
SUPPLY TO HEATING SYSTEM
BACKFLOW
PREVENTER
LINE SIZE
BYPASS
SYSTEM MAKE-UP WATER SUPPLY
TYPICAL LOCATION OF MAKE UP AND EXPANSION COMPONENTS
PRESS. RED. FILL VALVE
DIAPHRAGM TYPE
EXPANSION TANK
A
A
BENCHMARK 1.5 MIL. BTU GAS FIRED
BOILER LAYOUT FOR COMBINATION
HEATING & DOMESTIC WATER PLANT
1) FOR ACTUAL SIZES AND LOCATIONS OF PIPING AND OTHER CONNECTIONS TO THE BOILER, SEE DIMENSIONAL
ELECTRIC CONNECTIONS (SERVICE SWITCHES, CONDUIT BOXES) SHOULD LIKEWISE BE 6" AWAY FROM SIDE PANELS.
4) LOCATE WATER INLET AND OUTLET FITTINGS (i.e. UNIONS, ELBOWS, ETC.) A MINIMUM OF 6'' FROM BOILER
A HEIGHT 18'' ABOVE FLOOR.
2) SHELL DRAIN VALVE AND CONDENSATE DRAIN TRAP SHOULD BE ARRANGED TO PERMIT THE FLUIDS TO DRAIN
5) THIS IS A TYPICAL INSTALLATION DRAWING. LOCAL CODES AND AUTHORITIES SHOULD BE CONSULTED. 3) ALL (*) ITEMS ARE INCLUDED SEPARATELY IN SHIPMENT FROM FACTORY.
NOTES:
AIR SEPARATOR
RETURN FROM DOMESTIC STORAGE GENERATOR COIL
RELIEF VALVE
(TYP.)
CHECK VALVE (TYP.)
DRAWING (AP-A-739).
FREELY, BY GRAVITY, TO A CONVENIENT FLOOR DRAIN. RELIEF VALVES SHOULD BE PIPED VERTICALLY TO A
FITTINGS TO PREVENT INTERFERENCE WITH REMOVAL OF BOILER PANELS AND COVERS. ALL PIPING AND
NORTHVALE, NJ 07647
INTERNATIONAL, INC.
APPD.
DWN.BY SCALE
DATE
MPC
052898
DATE
SCD
NTS
052698
AERCO
SD-A-741
A
REV.
TEMPERATURE GAUGE
P&T
PRESSURE &
BALANCING VALVE ISOLATION VALVE
FLANGE
Y-STRAINER
LEGEND
PUMP BMS HEADER TEMP. SENSOR