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Harsco Industrial, Patterson-Kelley Technical Service 1.877.728.5351
Gas Fired Boiler
Gas Fired Boiler
Installation and Operation Best Practices
Gas
•
Use a lock-up type regulator.
•
Minimum gas inlet pressure 4.5" wc
•
Maximum gas inlet pressure 14" wc
Electrical
•
Verify power requirements to boiler.
•
Check all electrical connections for tightness as connections may come lose during
shipping.
Venting
•
Maintain exhaust pressure from -.04" wc to +.22" wc
Hydronics
•
Maximum Flow:
SC-4000 384 gpm, SC-3000 285 gpm
•
Minimum Flow @ Ignition: SC-4000 98 gpm, SC-3000 72 gpm
•
Minimum Flow:
SC-4000 76 gpm,
SC-3000 57 gpm
•
Boiler is provided with two (2) relief valves - a Section VIII and a Section IV. Both
must be installed as per ASME and local code requirements. A reference to potential
installation arrangement is discussed in Section 3.7.3 of this manual.
