Benchmark 2500 - 3000 Boilers
CHAPTER 2 – INSTALLATION
OMM-0094_0F
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
Page
23
of
207
GF-137
Ph.: 800-526-0288
09/30/2015
•
The external natural gas regulator must be capable of regulating
200,000 – 3,180,000
BTU/HR (58.6 kW – 932 kW)
of natural gas while maintaining a
minimum
gas pressure
of
8.0” W.C. (1993 Pa)
to the unit.
•
A lock-up style regulator is
recommended
if the gas supply pressure will
exceed
7”
W.C.
and is
REQUIRED
if the gas supply pressure will
exceed
14” W.C.
2.8.3.1
Massachusetts Installations Only
For Massachusetts installations, a mandatory external gas supply regulator must be positioned
as shown in Figure 2-7. The gas supply regulator must be properly vented to outdoors. Consult
the local gas utility for detailed requirements concerning venting of the supply gas regulator.
2.8.3.2
All Installations (Except Massachusetts)
For multi-unit installations (other than Massachusetts) that
exceed
7” W.C.
(1744 Pa)
gas
pressure, a separate external gas supply regulator, as shown in Figure 2-7, is highly
recommended. No regulator is required for gas pressures
below
7” W.C.
(1744 Pa)
of
pressure. Consult the local gas utility for detailed requirements concerning venting of the supply
gas regulator.
Figure 2-7: Manual Gas Shut-Off Valve Location
NOTE
It is the responsibility of the customer to source and purchase the
appropriate gas regulator as described above. However, AERCO
offers for sale an appropriate regulator, which may be ordered at
the time of unit purchase or separately. Contact AERCO for more
information.
NATURAL GAS INLET
GAS PRESSURE REGULATOR
2” MANUAL
SHUT-OFF
VALVE
NATURAL
GAS SUPPLY
