Specifications

Contents
Getting Other Informations and Publications 1
General Instructions
Important ........................................................... 3
Shipping Damage .............................................. 3
General ........................................................... 3
Field-Installed Heater Packages (Optional) ....... 3
Installation
Location ........................................................... 5
Typical Installations............................................ 5
Condensate Drain Trap ...................................... 8
Air Filters ........................................................... 8
Wiring – Main Power.......................................... 9
Wiring – 24V Low Voltage Control Circuit .......... 9
Transformer Taps ............................................... 9
Thermostats ....................................................... 9
Start Up and Operation
Three Phase Scroll Compressor Start Up
Information ........................................................11
Sequence of Operation .....................................11
Start Up Notes ..................................................11
Compressor Control Module .............................11
Adjustments ..................................................... 12
Service and Troubleshooting
Service Hints.................................................... 13
Pressure Service Ports .................................... 13
Refrigerant Charge .......................................... 13
Fan Blade Settings .......................................... 13
Suction and Discharge Tube Brazing............... 13
Pressure Table ................................................. 12
Wiring Diagrams ......................................... 15-16
Figures
Figure 1 Prefabricated Rood Curb
Specifications ..................................... 4
Figure 2 Field Fabricated Curbing .................... 4
Figure 3 Elevated Mounting Platforms ............. 6
Figure 4 Airflow and Service Access
Clearances ......................................... 6
Figure 5 Roof Top Application .......................... 7
Figure 6 Slab Mounting at Ground Level .......... 7
Figure 7 Condensate Drain Trap ...................... 8
Figure 8 Low Voltage Wiring .......................... 10
Figure 9 Fan Blade Setting Dimensions ......... 13
Figure 10Brazing Diagram ............................... 14
Tables
Table 1 Electrical Data .................................... 2
Table 2 Optional Field Installed Heater
Packages ........................................... 2
Table 3 Optional Field Installed Heater Table . 2
Table 4 Rated CFM and Rated ESP ............... 5
Table 5 Air Filter Area and Size ...................... 8
Table 6 Thermostat Wire Size......................... 9
Table 7 Wall Thermostat and Subbase
Combinations ..................................... 9
Table 8 Refrigerant Charge ........................... 13
Table 9 Pressure Table ................................. 14