Heat Wagon S405, Руководство по установке и обслуживанию, Страница: 6 / 12

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INSTALLATION USING A PROPANE SUPPLY TANK(S)
1) When installing the heater for use with propane gas, set the gas selector to “Propane”
and lock in position.
2) The supply container must be equipped with an LP Gas Regulator that complies with ANSI/UL
144 Standard for Pressure Regulating Valves for LP Gas. Another regulator must be installed on
the heater to reduce the pressure from this regulator down to a maximum inlet pressure of
1/2 psig.
3) Arrange the cylinder supply system to provide for vapor withdrawal from the operating
cylinder. Supplying liquid propane to the heater is dangerous and will damage the components.
4) Ensure that for the surrounding temperature the size and capacity of the propane supply
cylinder is adequate to provide the rated BTU/H input to the heater.
5) Turn off the propane supply valve at the cylinder when the heater is not in use.
6) The installation must conform with local codes, or in the absence of local codes, with the
Standard for Storage and Handling of Liquefied Petroleum Gases ANSI/NFPA 58-1989
7) When the heater is to be stored indoors the propane cylinder must be disconnected from the
heater and the cylinder moved away and stored in accordance with Chapter 5 of the above
National Standard.
INSTALLATION USING NATURAL GAS APPLICATIONS
1) When installing the heater for use with natural gas, set the gas selector valve to the
“Natural” position.
2) A regulator must be installed on the heater only if the line pressure to the heater is greater than
1/2 psi.
3) The installation of this heater to a natural gas supply must conform with all applicable local
codes or, in the absence of local codes, with the National Fuel gas Code, ANSI Z223.1/NFPA 54.
COMMON INSTALLATION AND OPERATIONAL PROBLEMS
1) LOW VOLTAGE AT THE HEATER
This is one of the most common problems and is usually the result of the supply cord having
too small a wire gauge for its length, or low voltage at the power source. Low voltage results in
the motor overheating, burnt relay contacts, or a relay that will not make contact. Check
voltmeter on heater before start-up.
2) GAS SUPPLY LINE UNDERSIZED
3) INSUFFICIENT VAPORIZATION AT SUPPLY
Normally caused by undersized supply tank.