Gas Supply; Tools - Vulcan-Hart MHB24G Service Manual

Gas Supply

INPUT
(BTU/HR)
MODEL
NAT. PROP.
200,000 200,000
VHX24G
270,000 270,000
200,000 200,000
VHX24G5
270,000 270,000
200,000 200,000
MHB24G
270,000 270,000
1. Output Boiler Horsepower (BHP): 4.3 BHP for 200,000 BTU; 5.5 BHP for 270,000 BTU.
NOTE:
2. Input BTU/HR difference is based on gas orifice size and air orifice size.

TOOLS

Standard

Standard set of hand tools.

Volt-Ohm-Meter (VOM) with AC current tester.
(Any quality VOM with a sensitivity of at least 20,000 ohms per volt can be used)

Gas leak checking equipment.

Gas pressure manometer

Temperature meter and thermocouple.
Special

The recommended deliming chemical for the water treatment system in use, for deliming of the boiler.
Contact Vulcan Authorized Service Centers.

Heat Exchanger Gasket (joint sealant strip, Teflon) P/N 854058-1.
VHX SERIES STEAMERS - GENERAL
MANIFOLD PILOT
PRESSURE PRESSURE
(INCHES W.C.) (INCHES W.C.)
NAT. PROP. NAT. PROP.
3.0 3.0 3.5
3.0 3.0 3.5
3.0 3.0 3.5
3.0 3.0 3.5
3.0 3.0 3.5
3.0 3.0 3.5
Page 7 of 68
LINE PRESSURE
NATURAL
MINIMUM
RECOMMENDED
3.5 7.0
3.5 7.0
3.5 7.0
3.5 7.0
3.5 7.0
3.5 7.0
(INCHES W.C.)
PROPANE
MAXIMUM
MINIMUM
ALLOWED
RECOMMENDED
11.0
11.0
11.0
14.0
11.0
11.0
11.0
F24700 (October 2001)