AERCO BMK 3.0 LN Natural Gas July 2011 - Manual (Page 111)

APPENDIX G
G-5
NORTHVALE, NJ
07647
INTERNATIONAL, INC.
APPD. DWN.BY SCALE
DATE
MC
DATE
CZ
072606
AERCO
SD-A-685
A
REV.
BENCHMARK 3 MIL. BTU LOW NOx
GAS FIRED BOILER LAYOUT-COMBINATION
HEATING & DOMESTIC WATER PLANT
5) THIS IS A TYPICAL INSTALLATION DRAWING. LOCAL CODES AND AUTHORITIES SHOULD BE CONSULTED. 3) SHELL DRAIN VALVE AND CONDENSATE DRAIN TRAP SHOULD BE ARRANGED TO PERMIT THE FLUIDS TO DRAIN 4) LOCATE WATER INLET AND OUTLET FITTINGS (i.e. UNIONS, ELBOWS, ETC.) A MINIMUM OF 6'' FROM BOILER
ELECTRIC CONNECTIONS (SERVICE SWITCHES, CONDUIT BOXES) SHOULD LIKEWISE
1) FOR ACTUAL SIZES AND LOCATIONS OF PIPING AND OTHER CONNECTIONS TO THE BOILER, SEE DIMENSIONAL DRAWING (AP-A-802). FREELY, BY GRAVITY, TO A CONVENIENT FLOOR DRAIN. RELIEF VALVE SHOULD BE PIPED VERTICALLY TO A
FITTINGS TO PREVENT INTERFERENCE WITH REMOVAL OF BOILER PANELS AND COVERS. ALL PIPING AND
HEIGHT 18'' ABOVE FLOOR.
BE 6'' AWAY FROM SIDE PANELS.
NOTES: 2) THIS DRAWING SHOWS THE WATERSIDE PIPING ONLY. SEE SD-A-682 FOR GAS AND CONDENSATE PIPING.
1-1/2" NPT DRAIN CONN.
RELIEF VALVE (TYP.)
MOTORIZED GLOBE VALVE
P&T
P&T
P&T
SUPPLY TO DOMESTIC
STORAGE GENERATOR COIL
CHECK VALVE (TYP.)
A
AIR SEPARATOR
RETURN FROM DOMESTIC STORAGE GENERATOR COIL
HEATING SYSTEM
RETURN FROM
DIAPHRAGM TYPE EXPANSION TANK
TYPICAL LOCATION OF MAKE UP AND EXPANSION COMPONENTS
BACKFLOW
PREVENTER SYSTEM MAKE-UP WATER SUPPLY
A
PRESS. RED. FILL VALVE
LINE SIZE
BYPASS
P&T
TEMP. SENSOR TEMPERATURE GAUGE PRESSURE & BALANCING VALVE ISOLATION VALVE FLANGE Y-STRAINER
LEGEND
PUMP BMS HEADER
SUPPLY TO
HEATING SYSTEM