Bard Single Package air Conditioners PA13241-A - Manual (Page 2)

Manual 2100-467D
Page 2 of 25
CONTENTS
Getting Other Informations and Publications ........ 3
General Instructions
Important ................................................................ 4
Shipping Damage .................................................... 4
General
................................................................ 4
Field Installed Heater Packages (Optional) ............. 4
Installation
Location ................................................................ 9
Slab Mounting .......................................................... 9
Typical Installations ......................................... 9 & 12
Condensate Drain Trap ......................................... 12
Air Filters .............................................................. 12
Wiring – Main Power ............................................. 13
Wiring – 24V Low Voltage Control Circuit ............. 13
Transformer Taps ................................................... 13
Thermostats ........................................................... 13
Start Up and Operation
General .............................................................. 15
Topping Off System Charge ................................... 15
Safety Practices ..................................................... 15
Start Up Notes ....................................................... 15
Three Phase Scroll Compressor Start Up
Information ............................................................. 16
Sequence of Operation .......................................... 16
Indoor Blower Motor .............................................. 16
Compressor Control Module .......................... 16 & 17
Adjustments ........................................................... 17
Low Ambient Control ............................................. 17
Service and Troubleshooting
Service Hints ......................................................... 18
Pressure Service Ports .......................................... 18
Refrigerant Charge ................................................ 18
Fan Blade Settings ................................................ 18
Pressure Tables ............................................. 19 & 20
Suction and Discharge Tube Brazing .................... 21
Troubleshooting ECM Blower Motors ............. 22-25
Figures
Figure 1 Unit Dimensions ...................................... 8
Figure 2 Slab Mounting at Ground Level ............ 10
Figure 3 Airflow and Service Access
Clearances ............................................ 10
Figure 4 Elevated Mounting Platform ................... 11
Figure 5 Condensate Drain Trap ......................... 12
Figure 6 Low Voltage Wiring ............................... 14
Figure 7 Low Ambient Control Wiring ................. 17
Figure 8 Fan Blade Setting ................................. 18
Figure 9 Brazing Diagram ................................... 21
Figure 10 Control Disassembly ............................. 23
Figure 11 Winding Test ......................................... 23
Figure 12 Drip Loop .............................................. 23
Figure 13 Motor Connections ................................ 24
Figure 14 Wiring (Connections/Voltage) ............... 25
Tables
Table 1 Rated CFM & ESP .................................. 4
Table 2 Electrical Specifications .......................... 5
Table 3 Opt. Field Installed Heater Packages ..... 6
Table 4 Opt. Field Installed Elec. Heater ............. 7
Table 5 Filter Requirements & Sizes ................. 12
Table 6 Thermostat Wire Size ........................... 13
Table 7 Wall Thermostats .................................. 13
Table 8 Fan Blade Setting Dimensions .............. 18
Table 9 Indoor Blower Performance .................. 18
Table 10 Pressure Table ...................................... 19
Table 11
Pressure Table ...................................... 20