2
important Safety information ....................................3
general information ...................................................4
Before You Install this Unit .........................................4
Locating the Air Conditioner .....................................4
Minimum Clearance Requirements ..........................4
Service Access Clearances ..................................4
Clearances to Combustible Materials ...................4
Air Duct System ........................................................4
air conditioner installation .......................................5
Unpacking the Unit ...................................................5
Installing Return & Supply Collars .............................5
Supply Duct ...........................................................5
Return Duct ...........................................................5
Locating & Installing the Return Air Assembly ..........6
Locating & Installing the Supply Dampers.................6
Condensate Drainage ..............................................6
Electrical connections ...............................................6
Pre - Electrical Checklist ...........................................6
Line Voltage ...............................................................6
Grounding..................................................................7
Overcurrent Protection ..............................................7
Thermostat / Low Voltage Connections .....................8
2-Stage Heating .....................................................8
Cooling Mode .........................................................9
Electric Heat Package (optional) ...............................9
Blower Speed ...........................................................9
Outdoor Motor (4 & 5 Ton) .....................................9
Startup & adjustments ............................................10
Pre - Start Checklist ................................................10
Start - Up Procedure ...............................................10
Air Circulation .......................................................10
System Cooling ....................................................10
System Heating ....................................................10
Refrigerant charging ................................................10
Charging an R410A Unit in AC Mode w/ Outdoor
Temperatures above 55° F ......................................10
air conditioner Maintenance ...................................11
component Functions .............................................11
Replacement Parts ...................................................11
Figures & tables .......................................................12
Figure 7 - Unit Dimensions ..................................12
Table 4 - Physical Data ........................................12
Refrigerant Charging Charts ...................................13
Figure 8 - Charging Chart for 2 Ton Units ............13
Figure 9 - Charging Chart for 3 Ton Units ............13
Figure 10 - Charging Chart for 4 Ton Units ..........14
Figure 11 - Charging Chart for 5 Ton Units ..........14
Wiring Diagrams ......................................................15
Figure 12 - 2 & 3 Ton Units ..................................15
Figure 13 - 4 & 5 Ton Units ..................................16
installation / Performance checklist .......................20
tablE oF contEntS