Bard C24H2-A - Default Chapter; Table of Contents

Manual 2100-719
Page 2 of 25
Figures
Figure 1 Fresh Air Damper Assembly .....................5
Figure 2 Unit Dimensions ....................................... 7
Figure 3A Mounting Instructions C24H, C30H ..........8
Figure 3B Mounting Instructions C36, 42, 48, 60H ...9
Figure 4 Electric Heat Clearance .........................10
Figure 5 Wall Mounting Instructions ..................... 11
Figure 6 Wall Mounting Instructions ..................... 11
Figure 7 Common Wall Mounting Installations .....12
Figure 8 Defrost Control Board ............................17
Figure 9 Fan Blade Setting ...................................20
Figure 10 Control Disassembly ..............................25
Figure 11 Winding Test ...........................................25
Figure 12 Drip Loop ................................................25
Tables
Table 1 Clearances Required ...............................6
Table 2 Min. Clearances Required ........................6
Table 3 Troubleshooting......................................18
Table Temperature F vs. Resistance ...............19
Table 4 Fan Blade Dimension .............................20
Table 5A Cooling Pressure ....................................21
Table 5B Heating Pressure ...................................21
Table 6 Electrical Specications C**H ................22
Table 7 Indoor Blower Performance ...................23
Getting Other Information and Publications 3
Wall Mount General Information
Wall Mount Model Nomenclature ..............................4
Shipping Damage .....................................................4
General .................................................................4
Duct Work .................................................................5
Filters .................................................................5
Fresh Air Intake .........................................................5
Condensate Drain .................................................... 5
Installation Instructions
Wall Mounting Information ........................................6
Mounting the Unit ......................................................6
Placement ................................................................. 6
Clearances Required ................................................6
Minimum Clearances ................................................6
Wiring – Main Power ...............................................13
Wiring – Low Voltage Wiring ................................... 13
Optional Outdoor T-Stat Applications ......................13
Start Up
General ...............................................................14
Topping Off System Charge ....................................14
Safety Practices ...................................................... 14
Important Installer Note ...........................................15
High & Low Pressure Switch ...................................15
Three Phase Scroll Compressor .............................15
Phase Monitor .........................................................15
Service Hints ...........................................................15
Sequence of Operation ........................................... 16
Pressure Service Ports ...........................................16
Defrost Cycle ..........................................................16
Troubleshooting
Solid State Heat Pump Control ............................... 18
Checking Temperature Sensor ...............................19
Fan Blade Setting Dimensions ................................20
Removal of Fan Shroud .......................................... 20
R-410A Refrigerant Charge ....................................20
Troubleshooting GE ECM Motors ........................... 24
Troubleshooting GE ECM Motors ........................... 25
CONTENTS