2
Important Safety Information ....................................4
General Information ................................................... 5
Before You Install this Unit ........................................5
Locating the Air Conditioner ....................................5
Minimum Clearance Requirements ......................... 5
Service Access Clearances .................................. 5
Clearances to Combustible Materials ...................5
Air Duct System .......................................................5
Air Conditioner Installation ....................................... 6
Unpacking the Unit ..................................................6
Installing Return & Supply Collars ............................6
Supply Duct ...........................................................6
Return Duct ...........................................................6
Connecting the Return & Supply Air Flexible
Ducts ........................................................................ 6
Locating & Installing the Return Air Assembly ..........6
Locating & Installing the Supply Dampers ................7
Condensate Drainage ..............................................8
Electrical Connections ............................................... 8
Pre - Electrical Checklist ........................................... 8
Line Voltage .............................................................. 8
Overcurrent Protection ............................................. 9
Grounding ................................................................. 9
Unbalanced 3-Phase Supply Voltage ........................9
Thermostat / Low Voltage Connections .................. 10
Cooling Thermostat .............................................. 10
Heat/Cool Thermostat .......................................... 10
Blower Speed ......................................................... 10
Standard Motor (3, 4, & 5 Ton) ............................. 10
Startup & Adjustments ............................................ 11
Pre - Start Checklist................................................ 11
Installing Initial Refrigerant Charge ........................11
Start - Up Procedure .............................................. 11
System Cooling .................................................... 11
Short Cycle Protection ......................................... 11
Adjustment of Refrigerant Charge ..........................11
Charge Verifi cation for R-22 Units in AC Mode w/
Outdoor Temperatures above 55° F ........................11
Air Conditioner Maintenance ................................... 12
Component Functions ............................................. 12
High Pressure Switch ............................................. 12
Low Pressure Switch .............................................. 12
Replacement Parts ................................................... 12
Figures & Tables ....................................................... 13
Figure 11 - Unit Dimensions ................................ 13
Table 1 - P3RA Physical Data .............................. 13
Wiring Diagrams .....................................................14
Figure 12 - Single Phase - 3, 4, & 5 Ton .............. 14
Figure 13 - Three Phase - 5 Ton Only .................. 15
Refrigerant Charging Charts .................................. 16
Figure 14 - 3 Ton Units ......................................... 16
Figure 15 - 4 Ton Units ......................................... 16
Figure 16 - 5 Ton Units ......................................... 17
Blower Performance ............................................... 17
Table 2 - P3RA Airfl ow Data ................................. 17
Installation / Performance Checklist ....................... 20
USER INFORMATION
Important Safety Information ....................................3
Operating Instructions ...............................................3
Cooling Operation .....................................................3
Heating Operation .....................................................3
Turning the Air Conditioner Off ..................................3
Operating the Indoor Blower Continuously ................3
Air Conditioner Maintenance .....................................3
Troubleshooting ..........................................................3
WARRANTY INFORMATION
A warranty certifi cate with full details is included with the
Air Conditioner. Carefully review these responsibilities with
your dealer or service company. The manufacturer will not
be responsible for any costs found necessary to correct
problems due to improper setup, improper installation,
adjustments, improper operating procedure on the part
of the user, etc. Some specifi c examples of service calls
which are not included in the limited warranty are:
• Correcting wiring problems in the electrical circuit
supplying the Air Conditioner.
• Resetting circuit breakers or other switches.
• Adjusting or calibrating of thermostat.
INSTALLER INFORMATION
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