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Valparaiso, IN 46383 219-464-8818 • Fax 219-462-7985 www.heatwagon.com Installation and Maintenance Manual Please retain this manual for future reference. 1800(L) Construction Heater For your safety: Do not use this heater in a space where gasoline or other liquids having flammable vapors are stored.
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If you need assistance or heater information such as an instruction manual, labels, etc. Contact your local Heat Wagon dealer or the manufacturer. Fire, burn, inhalation, and explosion hazard. Keep solid combustibles, such as build- ing materials, paper or cardboard, a safe distance away from the heater as recom- mended by the instructions.
Wiring Diagrams .........15-16 WARRANTY All new Heat Wagon and Sure Flame heaters and fans are guaranteed against defective materials and work- manship for one (1) year from invoice date.
To avoid over firing of the heater and damage to property, make sure the lever is locked in position when using propane. 6) LOW SHELL TEMPERATURE The Model 1800(SL) is designed with a burner heat shield to keep the outside shell cool for added safety in the work place. 7) DURABLE CONSTRUCTION The Model 1800(SL) uses a heavy gauge steel housing and a stainless steel burner for long life and consistent performance.
INSTALLATION The Heat Wagon Model 1800(SL) is a direct fired gas heater intended to be used primarily for the temporary heating of building under construction, alteration, or repair. Since all the products of combustion are released into the area being heated, it is imperative that adequate ventilation is pro- vided.
8.25 gal of LP per hour. Use at least (1) 200 gal. withdrawal tank. This will insure 20 hours of continuous operation. Since the 1800(L) is a Liquid Propane unit, it must be set up outside of the build- ing.
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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 propane supply system must be set up for vapor withdrawal from the operating tank(s). Liquid Propane can cause the heater to overfire and will damage valve train components.
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ON-SITE SAFETY PROBLEMS 1) SHORTING OUT OF DEFECTIVE COMPONENTS This is a very common problem which saves short term expense at the risk of a large future cost. Any heaters found in this condition should be removed immediately. 2) IMPROPER ENCLOSURES When heaters are installed partially to the outside for fresh air intake, strict adherence must be made to the minimum clearance to combustibles given on the instruction plate.
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MODEL 1800 & 1800 SL SEQUENCE OF COMPONENT OPERATION POWER SUPPLY Plug the heater into a 120 Volt grounded receptacle. Power is now at the 20 amp fuse and the 3 amp circuit breaker. 20 AMP FUSE & 3 AMP BREAKER If the circuit breaker and fuse are good there will be power at the thermostat and at the motor relay (normally open).
PREVENTIVE MAINTENANCE Heat Wagon Construction Heaters are built to withstand the rigors of operating on construction sites, for mining applications, and a multitude of other locations where heaters are used. To main- tain the reliable performance required it is necessary to do a certain amount of regular maintenance.
TROUBLE SHOOTING DIRECTIONS: Find the specific symptom. Refer to the Sequence of Component Operation Guide. Check the components listed with a voltmeter for proper operation as described. Replace any com- ponents not operating correctly. Fan will not start when fan switch & thermostat are ON. •...
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Model 1800(SL) Series Item# Part # Description HWP HC1069B LID/CONTROL BOX HWP HC1069A CONTROL BOX W/LID COPPER TUBE/AIR SWITCH HWP HP1161 FAN BLADE HWP HG1167 FAN GUARD HWP HM1166 MOTOR 1 HP HWP HB1177 HEAT SHIELD HWP HB1800 BODY HWP HB1171...
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120V 1PH MOTOR 20 AMP FUSE 3 AMP FUSE FAN SWITCH CONTROL RELAY THERMOSTAT N.O. TIMER LOAD FAN STARTER BURNER SWITCH SWITCH 120V LIGHT GAS VALVE HI LIMIT LIQ SOLENOID RECEPTICAL FLAME CONTROL BOARD H.W. IGNITER HI VOLTAGE IGNITER 10 AMP CIRCUIT BREAKER...
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PROPANE FACTS LBS Per Gallon 4.24 BTU Per Gallon 91,960 BTU Per LB 21,591 BTU Per Cu Ft 2,516 Cubic feet of air Required to burn 1 Cu Ft propane 23.5 NATURAL GAS FACTS BTU Per Cu Ft 1040 100,000 BTU = THERM 1 THERM = 100 Cubic Foot Cu Ft of air required to burn 1 Cu Ft of Natural Gas 10.5...
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