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IMPORTANT INFORMATION! READ FIRST

The heater is designed for use as a construction heater under ANSI Z83.7a-1993. Heater is not
intended for use in pest remediation.The primary purpose of construction heaters is to provide
temporary heating of buildings under construction, alteration, or repair and to provide emer-
gency heat. Properly used, the heater provides safe, economical heating. Products of combustion
are vented into the area being heated.

The heater 

IS NOT

designed as an Unvented Gas Fired Room Heater under ANSI-Z21.11.2 and

SHOULD NOT

be used in the home.

ANSI A119.2(NFPA 501C)-1987 Recreational Vehicle Standard prohibits the installation or stor-
age of LP-gas containers even temporarily inside any recreational vehicle. The standard also pro-
hibits the use of Unvented Heaters in such vehicles.

NFPA-58 1989 STANDARD FOR THE STORAGE AND 

HANDLING OF LIQUEFIED PETROLEUM GASES

Use of the heater must be in accordance with this Standard and in compliance with all governing
state and local codes. Storage and handling of propane gas and propane cylinders must be in
accordance with NFPA 58 and all local governing codes.

We cannot anticipate every use which may be made for our heaters. 

CHECK WITH YOUR

LOCAL FIRE SAFETY AUTHORITY IF YOU HAVE QUESTIONS ABOUT LOCAL REGULATIONS.

Other standards govern the use of fuel gases and heat producing products in specific applica-
tions. Your local authority can advise you about these.

FOR YOUR SAFETY

DO NOT USE THIS HEATER IN A SPACE WHERE GASOLINE OR OTHER LIQ-
UIDS HAVING FLAMMABLE VAPORS ARE STORED OR USED.

CONSTRUCTION HEATER GENERAL HAZARD WARNING:

F

ailure to comply with the precautions and instructions provided with this heater,

can result in death, serious bodily injury and property loss or damage from hazards
of fire, explosion, burn, asphyxiation, carbon monoxide poisoning, and/or electrical
shock.

Only persons who can understand and follow the instructions should use or service
this heater.

If you need assistance or heater information such as an instruction manual, labels,
etc. Contact your local Heat Wagon dealer or the manufacturer.

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N

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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. Never use the heater in spaces which do or may contain
volatile or airborne combustibles, or products such as gasoline, solvents, paint thin-
ner, dust particles or unknown chemicals.

Not for home or recreational vehicle use!

Summary of Contents for P4000

Page 1: ...ease retain this manual for future reference 342 N Co Rd 400 East Valparaiso IN 46383 219 464 8818 Fax 219 462 7985 www heatwagon com Revision 10 12 For your safety Do not use this heater in a space where gasoline or other liquids having flammable vapors are stored ...

Page 2: ...use which may be made for our heaters CHECK WITH YOUR LOCAL FIRE SAFETY AUTHORITY IF YOU HAVE QUESTIONS ABOUT LOCAL REGULATIONS Other standards govern the use of fuel gases and heat producing products in specific applica tions Your local authority can advise you about these FOR YOUR SAFETY DO NOT USE THIS HEATER IN A SPACE WHERE GASOLINE OR OTHER LIQ UIDS HAVING FLAMMABLE VAPORS ARE STORED OR USED...

Page 3: ...y claims must include model number and serial number LIMITATIONS Warrant claims for service parts wear parts such as spark plugs igniters flame rods will not be allowed Diagnostic parts such as voltage meters and pressure gauges are not warrantable Evidence of improper fuel usage fuel pressures outside of manufacturer s specification poor fuel quality and improper electric power misapplication or ...

Page 4: ...jury or electric shock may occur Only qualified persons are allowed to open heater for service 1 Keep heater clean Use pressurized air to blow fan blades clean NOTE Use moderate pressure to avoid damage to fan blades 2 Inspect heater before and after each use 3 The bearings of the fan motor must be lubricated according to instructions on the motor 4 Principal of Operation STEEL HANDLE THERMOSTAT S...

Page 5: ...or correct Amp rating 3 Set the remote thermostat to a temperature above the ambient room temperature by turning the knob NOTE The heater will start only if the thermostat calls for heat meaning that it is set to higher than prevailing ambient temperature 4 Select the power range by means of the switches marked S1 S3 S1 on 16 kW 51 200 BTUH S2 S3 off S1 S2 on 32 kW 102 400 BTUH S3 off S1 S2 S3 on ...

Page 6: ...ADAPTER 9 HWP 400009 BRACKET 10 HWP 400010 CONTACTOR MOUNTING PLATE 1 1 HWP 400011 REAR LEG 12 HWP 400012 FAN BLADE 13 HWP 400019 FAN GUARD GRILL 14 HWP 400014 FAN MOTOR 15 HWP 400015 REAR PANEL Item Part No Description 16 HWP 400016 STRAIN RELIEVER 17 HWP 400017 AMBIENT THERMOSTAT 18 HWP 400018 THERMOSTAT KNOB 21 HWP 400021 SWITCHES 22 HWP 400022 CONTACTORS 26 HWP 400026 HEATING ELEMENT See wirin...

Page 7: ...down Thermostat S1 Control Switch For Output 16KW S2 Control Switch For Output 16KW S3 Control Switch For Output 8KW C1 Contactor Coil For Output 16KW C2 Contactor Coil For Output 16KW C3 Contactor Coil For Output 8KW C4 Fan Contactor C 1 4 Pole 4 of Contactor C1 R1 R15 Heating Elements 2 7 KW Each 480 Volt 60 Hz 3 PH 7 ...

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