Download Appliance Specialty Study Guide

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RVIA © 11/27/2011
--blower wheel
--combustion wheel (intake air/blower)
--combustion air hose
--electrode assembly
--DSI module board
--wire and connections
Check integrity of combustion chamber with CO detector
Perform function test
Verify DSI board shuts fan motor off (new style)
Inspect and correct ducting and return air
Verify amount of ducting, ducting area and static pressure to mfg. specs
Check for restrictions, damaged ducts, air flow, loose/improper connections
Check adjustable outlets to mfg. specs
Verify return air area to mfg. specs
Verify alignment/seal at plenum
Measure voltage at furnace under load
Verify wire size to mfg. specs
Troubleshoot furnaces problems (Hydronic)
Troubleshoot orifice issues
Replace orifice
Clean burner chamber
Clean electric eye
Replace ignition valve
Replace mixing and zone valves
Repair/replace pumps
Troubleshoot furnace problems (all others)
Troubleshoot voltage problems
Troubleshoot propane pressure problems
Troubleshoot ducting problems
Troubleshoot air flow problem
Install/repair/replace absorption refrigerators (Manual selection)
Verify proper installation and venting per mfg. specs
Verify AC and DC power sources per mfg. specs
Verify propane pressure
Verify leveling of refrigerator per mfg. specs
Diagnose/replace electric components:
--selector switch
--electronic igniter
--Piezo igniter
--electrode
--high voltage cable
--relay
--heating element (AC/DC)
--thermostat
--interior light and switch
--fuses
Diagnose/replace gas components:
--shut off valve
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