Bard 2100-066 Rev. A User Manual
Page 2
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Contents
Cabinet................................................................................. 1
Temperature Treatment Section........................................ 1
Heat Sections.......................................................................1
Cooling Section.................................................................... 3
Biower................................................................................... 3
Beit Drive Biower................................................................. 3
Direct Drive Blower.............................................................. 3
Filter.......................................................................................3
Thermostat............................................................................ 3
Electrical System Components........................................... 4
Furnace Circuits...................................................................4
Blower Motors...................................................................... 4
Fan Control Switch.............................................................. 4
Downflow and Horizontal Units.......................................... 5
Limit Control.........................................................................6
Upper Limit Control............................................................. 6
Additive Cooling Relay........................................................ 7
24 Volt or Low Voltage Control Circuit.............................. 7
Transformer.......................................................................... 7
Thermostat............................................................................7
Basic Maintenance Procedures..........................................7
Maintenance Check Sheet.................................................. 7
Maintenance Checksheet.................................................... 8
Pre-Service Check............................................................... 9
Thermostat............................................................................9
Blower Compartment Check.............................................10
Nondisposable Slab (Polyurethane)................................ 10
Disposable Slab (Fiberglass/Cardboard)........................ 10
Direct Drive Blower............................................................10
Post-Service Checks......................................................... 12
Heat Section Checks......................................................... 12