Bard W18A1 - Table of Contents

Manual 2100-508A
Page 2 of 25
Contents
Figures
Figure 1 Fresh Air Damper Assembly ................... 5
Figure 2 Unit Dimensions ...................................... 7
Figure 3A Mounting Instructions .............................. 8
Figure 3B
Mounting Instructions - W18, 24, 30, 36 .... 9
Figure 3C
Mounting Instructions - W42, 48, 60, 70 ... 10
Figure 4 Electric Heat Clearance .........................11
Figure 5 Wall Mounting Instructions .................... 12
Figure 6 Wall Mounting Instructions .................... 12
Figure 7 Common Wall Mounting Installations.... 13
Figure 8 Fan Blade Setting ................................. 18
Tables
Table 1 Fan Blade Dimensions .......................... 18
Table 2A Refrigerant Charge ............................... 18
Table 2B Refrigerant Charge ............................... 18
Table 3 Cooling Pressure .................................. 19
Table 4 Electrical Specifications W**A .............. 20
Table 5 Electrical Specifications W**L ............... 21
Table 6 Recommended Airflow .......................... 22
Table 7 Indoor Blower Performance .................. 22
Table 8 Maximum ESP Electric Heat Only ........ 22
Table 9 Electric Heat ......................................... 23
Table 10 Optional Accessories ............................ 24
Table 11 Vent & Control Options ......................... 25
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
Clearances Required ............................................... 6
Minimum Clearances ............................................... 6
Wiring – Main Power ............................................. 14
Wiring – Low Voltage Wiring ................................. 14
Start Up
General .............................................................. 15
Topping Off System Charge ................................... 15
Safety Practices ..................................................... 15
Important Installer Note ......................................... 16
High Pressure Switch ............................................ 16
Three Phase Scroll Compressor............................ 16
Phase Monitor ....................................................... 16
Condenser Fan Operation ..................................... 16
Service Hints ......................................................... 16
Sequence of Operation .......................................... 17
Compressor Control Module .................................. 17
Adjustments ........................................................... 17
Pressure Service Ports .......................................... 17
Troubleshooting
Fan Blade Setting Dimensions .............................. 18
Removal of Fan Shroud ......................................... 18
Refrigerant Charge ................................................ 18