Table Of Contents - Bard WA423 Installation Instructions Manual

Contents
Getting Other Information and Publications
Wall Mount General Information
Heat Pump Wall Mount Model Nomenclature .......... 2
Shipping Damage .................................................... 5
General ................................................................ 5
Duct Work ................................................................ 6
Filters ................................................................ 6
Fresh Air Intake ....................................................... 6
Condensate Drain .................................................... 6
Installation Instructions
Wall Mounting Information ....................................... 7
Mounting the Unit .................................................... 7
Wiring - Main Power ............................................. 12
Wiring - Low Voltage Wiring ................................. 12
Figures
Figure 1 Unit Dimensions ...................................... 3
Figure 2 Fresh Air Damper Assembly ................... 6
Figure 3 Mounting Instructions .............................. 8
Figure 4 Electric Heat Clearance .......................... 9
Figure 5 Wall Mounting Instructions .................... 10
Figure 6 Wall Mounting Instructions .................... 10
Figure 7 Common Wall Mounting Installations ..... 11
Figure 8 Unit 24V Terminal Board ....................... 13
Figure 9 Fan Blade Setting ................................. 16
Start Up
1
Important Installer Note ......................................... 14
High Pressure Switch ............................................ 14
Three Phase Scroll Compressor Start Up ............. 14
Phase Monitor ....................................................... 14
Condenser Fan Operation ..................................... 14
Service Hints ......................................................... 14
Sequence of Operation .......................................... 15
Compressor Control Module .................................. 15
Adjustments ........................................................... 15
Pressure Service Ports .......................................... 15
Troubleshooting
Fan Blade Setting Dimensions .............................. 16
Removal of Fan Shroud ......................................... 16
Refrigerant Charge ................................................ 16
Pressure Table ....................................................... 18
Optional Accessories ............................................. 19
Tables
Table 1 Electric Heat Table .................................. 2
Table 2 Electrical Specifications ................ 4 and 5
Table 3 Thermostat Wire Size ........................... 12
Table 4 Wall thermostat and Subbase
Combinations ........................................ 12
Table 5 Fan Blade Dimensions .......................... 16
Table 6 Refrigerant Charge ............................... 16
Table 7 Indoor Blower Performance .................. 16
Table 7A Indoor Blower Performance .................. 17
Table 8 Recommended Air Flow ........................ 17
Table 9 Maximum EXP Electric Heat Only ........ 17
Table 9A Maximum EXP Electric Heat Only ........ 17
Table 10 Pressure Table ...................................... 18
Table 11 Optional Accessories ............................ 19