Bard W18H2-A Installation Instructions Manual - Contents
Manual 2100-604A
Page
2 of 28
Figures
Figure 1 Fresh Air Damper Assembly.................... 5
Figure 2 Unit Dimensions ................................... 7
Figure 3A Mounting Instructions W18, W24 ........... 8
Figure 3B Mounting Instructions W30, W36 ........... 9
Figure 3C Mounting Instructions W42, W48, W60 .. 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 Defrost Control Board .......................... 18
Figure 9 Fan Blade Setting ............................... 21
Tables
Table 1 Troubleshooting .................................. 19
Temperature vs. Resistance ................................ 20
Table 2 Fan Blade Dimension .......................... 21
Table 3A Cooling Pressure ................................. 22
Table 3B Heating Pressure ................................. 22
Table 4A Electrical Specifications ...................... 23
Table 4B Electrical Specifications ...................... 24
Table 5 Recommended Airflow ......................... 25
Table 6 Indoor Blower Performance .................. 25
Tables 7 Maximum ESP Electric Heat Only ......... 26
Table 8 Electric Heat ...................................... 26
Table 9 Optional Accessories ........................... 27
Table 10 Vent and Control Options ..................... 28
Getting Other Information and Publications 3
Wall Mount General Information ......................... 4
Wall Mount Model Nomenclature .......................... 4
Shipping Damage ................................................ 4
General .............................................................. 4
Duct Work ........................................................... 5
Filters................................................................. 5
Fresh Air Intake ................................................... 5
Condensate Drain ................................................ 5
Installation ............................................................... 6
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 ................................................................... 15
General ............................................................ 15
Topping Off System Charge ................................. 15
Safety Practices ................................................ 15
Important Installer Note ..................................... 16
High and Low Pressure Switch ............................ 16
Three Phase Scroll Compressor ........................... 16
Phase Monitor ................................................... 16
Condenser Fan Operation ................................... 16
Service Hints .................................................... 16
Sequence of Operation ....................................... 17
Pressure Service Ports ........................................ 17
Defrost Cycle ..................................................... 17
Service ..................................................................... 19
Solid State Heat Pump Control ........................... 19
Checking Temperature Sensor ............................. 20
Fan Blade Setting Dimensions ............................ 21
Removal of Fan Shroud ...................................... 21
Refrigerant Charge ............................................. 21