Table Of Contents; Table - Bard H42A1 Manual

Contents
Getting Other Information and Publications
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 ............................................... 12
Wiring - Low Voltage Wiring ................................... 12
Dirty Filter Switch & Relay ...................................... 12
Economizer Fail Time Delay Relay ......................... 12
Figures
Figure 1 Fresh Air Damper Assembly ..................... 5
Figure 2 Unit Dimensions ....................................... 7
Figure 3 Mounting Instructions - H42, 48, 60 ......... 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 Fan Blade Setting ................................... 16
Manual 2100-568A
Page 2 of 23
Start Up
3
General ............................................................... 13
Topping Off System Charge .................................... 13
Safety Practices ...................................................... 13
Important Installer Note ........................................... 14
High Pressure Switch .............................................. 14
Three Phase Scroll Compressor ............................. 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
Refrigerant Charge ................................................. 16
Removal of Fan Shroud .......................................... 16
Tables
Table 1 Fan Blade Dimensions ........................... 16
Table 2 Cooling Pressure .................................... 17

Table 3

Electrical Specifications H**A ................. 18
Table 4 Electrical Specifications H**L ................. 19
Table 5 Recommended Airflow ........................... 20
Table 6 Indoor Blower Performance ................... 20
Table 7 Maximum ESP Electric Heat Only ......... 20
Table 8 Electric Heat ........................................... 21
Table 9 Optional Accessories .............................. 22
Table 10 Vent & Control Options ........................... 23