L.B. White AS040 Installation Instructions Manual Download Page 5 | Manualshive

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Air Diverters

Installation

Instructions

August 1999

2.11-2

2

One-PPiece AAir D

Diverter

1. Loosen the four blower outlet screws.

2. Align the keyhole slots in the mounting flanges with

each outlet screw.

3. Push down on the diverter to lock it into position.

Tighten the outlet screws.

ATTENTION

Larger design air diverters for Models 377/379, 408/410,

and AB200 heaters incorporate holes in the “Y” of the

assembly to allow ease of mounting to the heater outlet.

Keyhole Slots

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Summary of Contents for AS040

Page 1: ...d the main burner ignites 11 Disconnect the heater from its electrical supply Reinstall the electrical enclosure cover and the fan access panel Reconnect the heater to its electrical supply Set the thermostat to desired temperature Model A AB200 a and A AB250 1 Disconnect the heater from its electrical supply and close all fuel gas valves to the inlet of the heater 2 Open the burner access door to...

Page 2: ...w plates previously occupied by the jumper Tighten the screw plates and tug on the leads to make sure the leads are securely attached 8 Attach the ground lead terminal to the ground screw in the enclosure 9 Reconnect the heater to its electrical supply and open the fuel supply valves to the heater 10 Light the pilot Set the thermostat so the fan motor starts and the burner lights Check the heater ...

Page 3: ...ted away from the livestock so that livestock cannot knock the heater tear it loose from its mounting or damage the heater its power supply cord or its gas supply line in any way Make sure you observe and obey minimum clearance distances to combustible materials as stated in the specification section of this owner s manual and on the heater itself Hanging Instructions Installation Instructions 2 1...

Page 4: ...s Appearance of the outlet on heater may vary from model to model a The air diverter s notched tabs on each half will pop into the blower outlet between the inside of the case assembly and the blower housing outlet If the notched tabs do not pop into the blower outlet loosen do not remove the blower outlet screws Doing this provides a gap into which you can insert the tabs b The air diverter halve...

Page 5: ...ign the keyhole slots in the mounting flanges with each outlet screw 3 Push down on the diverter to lock it into position Tighten the outlet screws ATTENTION Larger design air diverters for Models 377 379 408 410 and AB200 heaters incorporate holes in the Y of the assembly to allow ease of mounting to the heater outlet Keyhole Slots ...

Page 6: ... button depressed for about 30 seconds to allow the thermocouple to warm up so the pilot stays lit after the pilot button is released 6 Position the knob to on 7 Reinstall the metal cover if applicable 8 Connect the heater s power cord to an approved electrical supply 9 Set the thermostat above room temperature The heater will light 10 Reset the thermostat to desired room temperature SECTION B B C...

Page 7: ... through 5 Otherwise simply turn the thermostat to Off or No Heat for standard shut down 1 Close all manual fuel supply valves 2 With heater lit allow heater to burn off remaining fuel in gas supply hose 3 If applicable turn the control valve knob to Off 4 Turn thermostat to Off or No Heat position 5 Disconnect the heater from its electrical supply August 1999 3 1 2 2 ...

Page 8: ...OT A MANUAL GAS SHUT OFF VALVE 2 The throttle valve can be adjusted to deliver either minimum heat or maximum heat Become familiarized with the design of the throttle valve in your heater Refer to the illustrations below to determine valve location and how to adjust the heat output August 1999 Handle Parallel MAXIMUM HEAT MINIMUM HEAT 7 5 O F M A X I M U M 90 OF MAXIMUM Handle Turned 9 90º MANIFOL...

Page 9: ......

Page 10: ...tors can wear out and function improperly Have your gas supplier check the date codes on all regulators installed and check delivery pressures to the appliance to make sure that the regulator is reliable 5 Check all wiring associated terminals and electrical components within the heater for corrosion frayed or cut insulation tight connections etc Repair or replace as necessary 6 Review all heater ...

Page 11: ... the fan wheel giving attention to the individual fan blades Additionally make sure the burner air inlet venturi ports and the throat of the casting are free of dust accumulation and the area between the heat chamber top and inside case is also free of dust c Observe and obey all instructional warnings pertaining to cleaning procedures located on each heater August 1999 WARNING Fire B Burn a and E...

Page 12: ...ied problem and proceed with each step performing the suggested tests After each step or test the guide will direct the service person to the next logical step based on the outcome of the previous check The problems are listed below along with the page number on which you may find the flow chart for the specific problem Problem Description Page 1 Pilot will not light 5 1 3 2 Pilot will not stay li...

Page 13: ...y either its mounting clip or nut 1 Correct Flame 4 Wavy Blue Flame 2 Noisy Lifting Flame 5 Hard Sharp Flame 3 Lazy Yellow Flame 6 Small Blue Flame Pilot flame spreader head Thermocouple Check for Excessive drafts Pilot shield loose Check for High gas pressure Improper pilot orifice Check for High gas pressure Improper orifice Partially plugged pilot orifice or dirty pilot assembly Check for Parti...

Page 14: ...supply valves Is the pilot control button fully depressed Replace pilot Is there air in the gas line No No Fully depress the pilot button No No No Yes Depress pilot button to bleed off the air until pilot lights Normally 30 45 seconds Check for proper fuel pressure to inlet of heater Adjust as Is the correct pilot orifice installed for the fuel being used Is there a restriction in gas supply hose ...

Page 15: ...t line or gas supply hose partially plugged Yes Remove and clean with compressed air No No No Check for proper pressure to heater inlet Refer to heater nameplate Replace with proper pilot orifice No No Check millivolt output 10 MV or greater is acceptable Replace thermocouple if less than 10 MV with burner off No Yes Did you check for dirt or debris between thermocouple contact and electromagnet o...

Page 16: ... switch arm or clean out any debris from around flapper or air flow switch Tighten set screws to motor shaft Reset switch Determine cause of high limit tripping See Problem 7 Yes Clean out debris Check electrical connections to high limit switch and to control valve and check wires for continuity Check for proper pressure using low pressure gas gauge Refer to heater nameplate Yes Yes Have you chec...

Page 17: ...t contacts open and close Perform continuity check Provide proper voltage See heater nameplate Check circuit breaker in electrical system Set thermostat above room temperature Check electrical connections to thermostat and power cord Are electrical connections to motor installed properly Defective motor Replace Is fan wheel binding Repair condition or replace fan wheel No No No No No Repair or rep...

Page 18: ...y lit when main burner and blower are operating Have you checked for proper fuel use and inlet gas pressure Yes Yes No Check for proper pressure Make sure proper fuel is being used for appliance installed No Remove blockages Is pilot shield and gasket if applicable in proper position and tight against burner No Tighten pilot shield screws to close gap between shield and orifice Make sure gasket if...

Page 19: ... for proper gas type being used pressure or for liquid propane in line Check building electrical system Repair as necessary See heater nameplate for correct voltage Is proper voltage being supplied to motor Is heater reasonably clean Remove restriction No No No No Give heater a thorough cleaning with a soft brush or compressed air DO NOT USE WATER OR ANY LIQUID CLEANING AGENTS No Yes Motor is defe...

Page 20: ...burner Has gas pressure been checked Yes No Yes Are there blockages in burner casting burner orifice or primary air inlets of casting Clean with compressed air Check for proper pressure to inlet of heater and also for proper burner manifold pressure Problem 10 Burner flame drops out after 10 15 minutes of Is gas supply line and tank properly sized Yes No See problem 3 and 6 Resize line and reselec...

Page 21: ...lem 11 Gas control valve chatters Is proper voltage to gas control valve being supplied Yes No Yes Has proper gas pressure been verified Defective gas control valve solenoid Replace entire valve Check for proper voltage See heater nameplate Have qualified electrician correct if necessary Check for proper inlet and burner manifold pressure No August 1999 5 1 1 10 ...

Page 22: ...e Yes Yes Is burner orifice or casting plugged with dust or debris Clean with soft brush dry cloth or compressed air 1 Some thermocouples use a retainer clip to secure the thermocouple into the pilot bracket Make sure the thermocouple is pushed up completely into the hole so clip on thermocouple holds it securely within the bracket Other thermocouples use a retainer nut to hold the thermocouple in...

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