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WARNING
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, injury
or death. Read the installation, operation and
maintenance instructions thoroughly before
installing or servicing this equipment.
OWNER
Retain this Manual & ensure available for service.
Improper installation, adjustment, alteration, service
or maintenance can cause injury, death or property
damage.
Read the installation, operation and service
instructions thoroughly before installing or servicing
this equipment
Series AA250
Installation, Operation and Service Instructions
WARM AIR HEATER
Canada: 563 Barton Street, Stoney Creek, Ontario L8E 5S1
USA: 315 N Madison Street, Fortville, IN 46040
www.superiorradiant.com
Page 1
Series AA250
FOR YOUR SAFETY
Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any other
appliance.
If you smell gas:
1. Open windows
2. Don't touch electrical switches
3. Extinguish any open flame
4. Immediately call your gas supplier
INSTALLER
Provide Manual to Owner upon completion of
installation!
Read and thoroughly understand these Instructions
before attempting any installation
LT252 Oct 2019
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Table of Contents
Related Manuals for Superior AA250 Series
Summary of Contents for Superior AA250 Series
- Page 1 Installation, Operation and Service Instructions WARM AIR HEATER Series AA250 WARNING FOR YOUR SAFETY Improper installation, adjustment, alteration, service Do not store or use gasoline or other flammable or maintenance can cause property damage, injury vapors and liquids in the vicinity of this or any other or death.
- Page 2 CAUTION: FIRE OR EXPLOSION HAZARD Maintain clearance to combustible constructions as further specified in this manual. Failure to do so could result in a serious fire hazard. Heaters should not be located in hazardous atmospheres containing flammable vapors or combustible dusts. Signs should be provided in storage areas specifying maximum safe stacking height.
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Page 3: Table Of Contents
ONTENTS CONTENTS ..................................3 INTRODUCTION.................................. 4 ..................................4 NSTALLATION ODES GENERAL SPECIFICATIONS ..............................5 DIMENSIONAL CHARTS............................... 5 PARTS OF THE HEATER ............................... 6 ..................................6 ENERAL SSEMBLY CLEARANCE TO COMBUSTIBLES ............................8 GENERAL INSTALLATION INSTRUCTIONS ..........................9 INTERIOR AND EXTERIOR MOUNTING ..........................10 ................................ -
Page 4: Introduction
INTRODUCTION Superior Radiant Products is a company in the space heating industry founded on the principles of product quality and customer commitment. Quality commitments are evidenced by superior design, a regard for design detail and an upgrade of materials wherever justifiable. -
Page 5: General Specifications
GENERAL SPECIFICATIONS Heating Nominal Heat Input BTU/H 250,000 BTU/H Partial Heat Input 160,000 1000 Ventilation Air Required Supply Pressure Minimum In. W.C. Natural Gas Propane In. W.C. Burner Manifold Pressure Nominal Heat Input Partial Heat Input In. W.C. Natural Gas Propane In. -
Page 6: Parts Of The Heater
PARTS OF THE HEATER Figure 2 - General Overview General Assembly Refer to Figure 2 for component identification. Description Description Base Door Latch BS044 CH270 BS051 Vent CH277 8-32 x 1” Male-Female Standoff BE025 Air Proving Switch BG004 Burner BS036 Controls Box CH119 8-32 x 1”... - Page 7 Figure 3 - Controls Box (Closed and Open) Description BS035 CH270 Door Latch CH011 Sight Glass CH285 PG13.5 Liquid Tight Fitting CE058 TRANSFORMER 120/24V 40VA 50/60 Hz VE096 Terminal Strip, 6-port CH264 WELD BOLT #10-24 x 1", SS (Ground Lug) CE266 CNE Ignition Control Module CH268...
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Page 8: Clearance To Combustibles
CLEARANCE TO COMBUSTIBLES Minimum clearances to combustible materials shall be measured from outer surface of the heater as shown in the following table. In addition to this, it is very important to observe the minimum clearance to combustibles at all times to avoid any possibility of property damage or personal injury. -
Page 9: General Installation Instructions
GENERAL INSTALLATION INSTRUCTIONS 1. Ensure that the heater is level when it is hung or mounted. Obey all clearances to combustibles, listed on the rating plate on the inside of the front door and on page 8 of this manual. 2. -
Page 10: Interior And Exterior Mounting
INTERIOR AND EXTERIOR MOUNTING The heater can be mounted indoors, hung on a chain setup or mounted to the wall of the enclosure internally or externally. Hanging Instructions Four (4) eyebolts are supplied with the heater. Fasten them to the retainer nuts on the top of the enclosure. Only use chain rated for lifting and must be attached to all four (4) eyebolts. -
Page 11: Air Diverter Installation
AIR DIVERTER INSTALLATION Air diverters can be installed in the heater outlet to provide direction to the heated air as it exits the heater. Installation options include installing the diverters in such a way as to broadly distribute the air in two 45 degree paths or to focus the air flow in one 45 degree direction. -
Page 12: Wall Mounting
Wall Mounting There are four (4) different configurations to mount the heater to the wall: 1. Heater on the inside of the building with airflow coming from inside the building 2. Heater on the inside of the building with airflow coming from outside the building 3. -
Page 13: Lighting And Shutdown Instructions
LIGHTING AND SHUTDOWN INSTRUCTIONS Start-Up Instructions Follow steps 1-6 on initial start-up after heater installation by a qualified gas heater service person. For normal start-up, simply turn thermostat above room temperature. The heater will start. 1. Open all manual fuel supply valves and check for gas leaks using approved leak detectors. 2. -
Page 14: Electrical Diagram
ELECTRICAL DIAGRAM When servicing or troubleshooting the heater, follow the schematic below to connect all leads to their correct terminals. All terminal block leads should be placed exactly as shown. WARNING The heater is shipped from factory equipped with jumpers between R-W1 and R-W2 contacts. If energized the heater will start running at full load (high fire). -
Page 15: Gas Piping
GAS PIPING Before connecting gas to the heater, check the supply gas and supply pressure: match the information on the • rating plate of the heater. • The gas meter and service must be sufficiently large to supply gas to the connected building gas load including the heating equipment and any other gas fired equipment. -
Page 16: Venting & Combustion Air
VENTING & COMBUSTION AIR General Requirements ATTENTION VENTILATION REQUIREMENTS • BE SURE THE AIR INLET GRILLS, LOUVERS AND DAMPERS ARE INSPECTED REGULARLY AND THAT THEY ARE CLEAR AND FREE OF DUST, DIRT, SNOW, ICE, FROST AND OTHER FOREIGN MATERIAL SO THAT AIR MAY FREELY ENTER INTO THE BUILDING TO PROVIDE ADEQUATE COMBUSTION AND VENTILATING AIR. -
Page 17: Fuel Conversion Procedure
FUEL CONVERSION PROCEDURE The AA250 heater is equipped to run on either natural gas or propane. From the factory it is set up to run on natural gas, and must be converted to run on propane. The optional Propane Conversion Kit (P/N BK010) has all the required parts: •... -
Page 18: Maintenance Instructions
MAINTENANCE INSTRUCTIONS 1. Have your gas supplier check all gas piping annually for leaks or restrictions in gas lines. Also, at this time have your gas supplier clean out the sediment trap of any debris that may have accumulated. 2. The heater’s surrounding area shall be kept clear and free from combustible materials, gasoline, and other flammable vapors and liquids. -
Page 19: Motor And Fan Assembly
MOTOR AND FAN ASSEMBLY 1. Disconnect the motor leads from the terminal block. See ELECTRICAL DIAGRAM (page 19) for reference. Loosen the cable gland on the back of the electrical block and take the motor leads out. 2. Remove ten (10) motor interface plate screws and gently lift the fan and motor assembly from the housing. 3. -
Page 20: Igniter & Flame Sensor Assembly
IGNITER & FLAME SENSOR ASSEMBLY Remove the sensor and igniter from the mounting bracket by unscrewing the two screws on each side. Clean the sensor rod with steel wool or emery cloth. Rub briskly to remove build-up of dust, dirt and oxide. Check the flame sensor’s insulator base for cracks. -
Page 21: High Limit Switch
HIGH LIMIT SWITCH WARNING Burn Hazard Do not operate the heater with the high limit switch bypassed • • Operating the heater with the high limit switch bypassed may lead to overheating, possibly resulting in a fire, with subsequent damage to the heater, to the building, or loss of livestock The heater uses a high limit switch for the purpose of overheat protection. -
Page 22: Troubleshooting Guide
TROUBLESHOOTING GUIDE The troubleshooting flow charts on the following pages provide systematic procedures for isolating equipment problems. The charts are intended for use by a qualified gas heater service person. DO NOT SERVICE THESE HEATERS UNLESS YOU HAVE BEEN PROPERLY TRAINED. TEST EQUIPMENT REQUIRED Digital Multimeter –... -
Page 23: Operation Sequence
OPERATION SEQUENCE • Line voltage is sent to the transformer • Terminal branches off line voltage to ignition control terminal L1 Transformer reduces line voltage to 24 VAC • 24 VAC is sent to thermostat • When the thermostat calls for heat, Thermostat closes and returns 24V to terminal W1 on ignition control •... - Page 24 Series AA250 Page 24 LT252 Oct 2019...
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Page 25: Replacement Parts
REPLACEMENT PARTS ITEM DESCRIPTION PART NUMBER Fan Motor BE012 Impeller BE013 High Limit Switch BE005 Sail Switch BE025 Burner BG004 Burner manifold BG013 Vent BS051 Transformer 120/24V 40 VA 50/60Hz CE058 Control Module CE266 Valve NG W/R 2-stage CG062 Igniter/Flame Sensor VE002 Ignition Cable BE010... -
Page 26: Warranty
WARRANTY SERIES AAE HEATERS WARRANTY The manufacturer warrants to the original owner that the product will be free of defects in material and workmanship as described below. Component Warranty Period Burner & Controls 3 Years The Manufacturer’s obligation under this warranty is limited to repair or replacement, F.O.B. its facility, of the defective part.