Bard WA4842, Installation Instructions Manual

Page: 2 / 21

Manual 2100-401A
Page
2 of 21
CONTENTS
Figures
Figure 1 Unit Dimensions ...................................... 5
WA6023, WA4843
Figure 2 Unit Dimensions ...................................... 6
WA6022, WA4842
Figure 3 Mounting Instructions .............................. 8
WA6023, WA4843
Figure 4 Mounting Instructions ............................. 11
WA6022, WA4842
Figure 5 Electric Heat Clearance ........................ 12
Figure 6 Wall Mounting Instructions .................... 13
Figure 7 Wall Mounting Instructions .................... 13
Figure 8 Common Wall Mounting Installations .... 14
Figure 9 Unit 24V Terminal Board ....................... 16
Figure 10 Fan Blade Setting ................................. 19
Tables
Table 1 Electric Heat Table .................................. 4
Table 2 Electrical Specifications .......................... 7
Table 3 Thermostat Wire Size ........................... 15
Table 4 Wall Thermostat .................................... 15
Table 5 Fan Blade Dimensions .......................... 19
Table 6 Indoor Blower Performance .................. 19
Table 7 Refrigerant Charge ............................... 19
Table 8 Rated CFM and Rated ESP .................. 19
Table 9 Maximum ESP of Operation
Electric Heat Only ................................. 20
Table 10 Pressure Table ...................................... 20
Table 11
Optional Accessories ............................ 21
Getting Other Information and Publications .......... 3
Wall Mount General Information ............................. 4
Air Conditioning Wall Mount Model Nomenclature .. 4
Shipping Damage .................................................... 8
General
................................................................ 8
Duct Work ................................................................ 8
Condensate Drain .................................................... 8
Filters
................................................................ 8
Installation Instructions ........................................... 9
Wall Mounting Information ....................................... 9
Mounting the Unit .................................................... 9
Wiring – Main Power ............................................. 15
Wiring – Low Voltage Wiring ................................. 15
Start Up ................................................................... 17
Important Installer Note ......................................... 17
Crankcase Heaters ................................................ 17
High Pressure Switch ............................................ 17
Three Phase Scroll Compressor Start Up .............. 17
Phase Monitor ....................................................... 17
Service Hints ......................................................... 17
Sequence of Operation .......................................... 17
Compressor Control Module .................................. 17
Adjustments ........................................................... 18
Pressure Service Ports .......................................... 18
Troubleshooting ..................................................... 19
Fan Blade Setting Dimensions .............................. 19
Removal of Fan Shroud ......................................... 19
Refrigerant Charge ................................................ 19
Pressure Table ....................................................... 20
Optional Accessories ............................................. 21