Modulating infraconic agricultural building radiant heaters (24 pages)
Summary of Contents for PSI 1450 Series
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Your new PSI heater incorporates the benefits from the most experienced manufacturer of heating products using state-of-the-art technology. We, at PSI, thank you for your confidence in our products and welcome any suggestions or comments you may have..call us, at 800-562-2966.
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If you are considering using this product for any application other than its intended use, then please contact your fuel WP-GPN-003 and is listed and approved for Canadian gas supplier or PSI at 800-562-2966. installations as an agricultural confinement building heater.
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Only properly-trained service people should repair or install this heater. Save this Owner’s Manual for future use and reference. Owner’s Manuals and replacement labels are available at no charge. For assistance, contact PSI at 800-562-2966. WARNING Proper gas supply pressure must be provided to the inlet of the heater.
When calling for technical service assistance, or for other specific information, always have model number and serial Contact your local PSI distributor or PSI for assistance, or if number available. This information is contained on the you have any questions about the use of the equipment or dataplate.
Refer to the specification section of the heater’s Symptoms of improper combustion affecting livestock Owner’s Manual, heater dataplate, or contact PSI to can be disease, lower feed conversion, or death. FUEL GAS ODOR LP g g as a a nd n n atural g g as h h ave m m an-m m ade o o dorants a a dded s s pecifically f f or d d etection o o f f f uel g g as l l eaks.
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The hose assembly shall be the manufacturer’s requirements. that specified by the manufacturer. See parts list. 2. All installations and applications of PSI heaters must 10. Check for gas leaks and proper function upon heater meet all relevant local, state and national codes.
Contact your detectors. gas supplier, or PSI if you have any questions. -- If a leak is detected, check the components 4. The heater’s gas regulator (with pressure relief valve) involved for cleanliness in the thread areas should be installed outside of building.
Do not use the heater in an L.P. gas personnel before placing the heater back into use. liquid withdrawal system or application. If you are in doubt, contact PSI. 17. Do not exceed the input rating stamped on the dataplate of the heater. Do not exceed the burner 14.
FIG. 1 a. 40,000, 6 6 0,000, a a nd 2 2 25,000 B B TUH H H eaters b. 150,000 B B TUH H H eaters SHEET METAL SCREW SHEET METAL SCREW 4 REQUIRED 4 REQUIRED DUCT DUCT CASE FRONT TABS BETWEEN SHEET METAL CASE DIVERTER DIVERTER...
SEDIMENT TRAP ASSEMBLY Assemble the nipple and cap to the tee and nipple at the FIG. 4 inlet of the gas control valve, and tighten securely. The NIPPLE sediment trap assembly must always be mounted in a vertical position. Make sure pipe thread compound that is resistant to both L.P.
Start-Up Instructions Follow steps 1 - 6 on initial start-up after heater installation Connect the electrical cord to an approved electrical by a qualified gas heater service person. For normal start- outlet. up, simply turn thermostat above room temperature. The heater will start.
Variable Heat Output 1. All models of propane (LP) gas or natural gas heaters The throttle valve may be adjusted to minimum heat have a throttle valve for varying heat output located output by turning the handle 90° to gas flow or any between the gas control valve and gas manifold position between maximum and minimum settings.
Cleaning Instructions WARNING Fire, B B urn, a a nd E E xplosion H H azard This heater contains electrical and mechanical components in the gas management, safety and airflow systems. Such components may become inoperative or fail due to dust, dirt, wear, aging, or the corrosive atmosphere of an animal confinement building.
Service Instructions GENERAL 3. The high limit switches, air proving switch, and WARNING thermostat can be tested by using a jumper to bypass B B u u r r n n H H a a z z a a r r d d the component: Heater surfaces are hot for a period of time after the heater has been shut down.
AIR PROVING SWITCH WITH PADDLE 1. Remove the two (2) sheet metal screws holding the FIG. 10 switch with bracket to blower housing. PADDLE NUTS 2. Turn the switch assembly 90° so the paddle on the switch arm can be pulled through the oblong hole on side of fan housing.
It gas control valve. Remove thermocouple. should only be replaced with the PSI part number referenced in the parts listing of this owner’s manual. When threading the thermocouple’s connector nut back into the gas control valve, thread the nut in finger tight and snug it in place.
GAS PRESSURE CHECKS C. Reading P P ressures WARNING Fire a a nd E E xplosion H H azard 1. With the heater operating, the pressure gauges should read the pressures specified on the dataplate. Do not disassemble the gas control valve. 2.
TESTING THE MANUAL RESET HIGH LIMIT SWITCH 5. Allow the switch cool down before firmly pressing the WARNING red reset button on the switch. Fire H H azard Do not operate the appliance with the high limit switch 6. Check for continuity across the switch terminals to bypassed.
Electrical Connection and Ladder Diagrams CAUTION Always refer to the heater’s electrical connection diagram when servicing to avoid wiring errors and heater malfunction. Check for proper operation after servicing. WARNING: THIS HEATER MAY START AT ANY TIME AIR PROVING SWITCH (NOT SUPPLIED ON SOME MODELS) BLACK BLACK...
MECHANICAL VENTILATION INTERLOCK WIRING For C C anadian I I nstallations Agricultural B B uilding H H eaters: Installation of the heater requires mechanical ventilation of not less than 3 CFM per 1,000 BTU input of the heater. The mechanical ventilation shall be interlocked with the heater to prevent operation of the heater unless the ventilation air flow is proven by an air flow proving device.
Heater Component Function Air Proving Switch Pilot Light Orifice Safety device used to insure that the proper air flow is being A metering device used to supply gas for the dual purpose of achieved before the gas valve is opened. igniting the main burner and heating the thermocouple.
PARTS LIST Model Item Description High Limit Switch, at Heat Chamber ------------05566------------- ------------84144------------- High Limit Switch, at Blower End ------------------------------------------84144------------------------------------------ Fan wheel ------------80972------------- 82136 80973 Air Proving Switch ------------------------------------------80324------------------------------------------ Motor ------------81748------------- 81749 81098 Motor Mount ------------82118------------- ------------82117------------- Housing, Fan Assembly Stainless Steel 81740 81742...
EQUIPMENT PSI Heating Systems warrants that the component parts of A warranty card on file at PSI will automatically qualify a unit its equipment are free from defects in material and and its component parts for warranty consideration. If a...
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