3
Safety Information ........................................ 6
Pressures Within the System .....................6
Labels, Tags, and Precautions ....................6
Brazing Operations .....................................6
General Information ..................................... 7
Outdoor Unit Selection ...............................7
Liquid and Suction Lines ............................ 7
Field Connections for Electrical Power
Supply.........................................................7
Site Preparation ............................................ 7
Unpacking the Equipment ..........................7
Inspect for Damage ....................................7
Preferred Location of the Outdoor Unit .......7
Facility Prerequisites .................................. 7
Minimum Circuit Ampacity .......................... 7
Maximum Fuse / Circuit Breaker Size ........7
Installing the Indoor Unit ............................. 7
Installing the Outdoor Unit .......................... 7
Slab Mount ................................................ 7
Cantilever Mount ........................................ 7
Roof Mount ................................................8
Connecting Refrigerant Tubing Between
the Indoor and Outdoor Unit ....................... 8
General Information ....................................8
Filter Drier Installation ................................8
Optional Equipment ....................................8
Electrical Connections .................................8
Pre - Electrical Checklist.............................8
Wiring Diagram / Schematic ....................... 8
Line Voltage ................................................ 8
Outdoor Unit Connections ..........................9
Control Circuit Wiring ..................................9
Thermostat Connections ............................9
Low Pressure Switch .................................. 9
High Pressure Switch .................................9
Comfort Alert
TM
Diagnostic Module...........10
24VAC Power Wiring ............................10
Thermostat Demand Wiring .................10
Interpreting the Diagnostic LED’s .........10
LED Description ...................................10
Two - Speed Outdoor Fan Motor ..............11
Optional Equipment ..................................11
Grounding .................................................11
Startup & Adjustments...............................11
Pre - Start Checklist .................................11
Thermostat ...............................................11
Outdoor Unit .............................................11
Functional Checkout ..................................11
Cooling .....................................................11
Heating .....................................................11
Indoor Blower ...........................................11
Short Cycle Protection ..............................12
Optional Equipment ..................................12
Adjustment of Refrigerant Charge ............12
Charging R-410A Unit in AC Mode ..........13
Cooling Charging Charts ...........................13
Troubleshooting Tables ..............................16
USER INFORMATION
INSTALLER INFORMATION
Safety Information ........................................ 4
About the Air Conditioner ............................4
What are the Benefi ts of a Split
System?......................................................4
What are the Benefi ts of Two - Stage
Variable Speed Cooling? ............................4
Operating Instructions .................................4
Cooling Operation .......................................4
Heating Operation ......................................4
Oper. the Indoor Blower Continuously ........ 5
Shutting the AC Off ..................................... 5
Warranty Information ................................... 5
System Maintenance .................................... 5
Regular Cleaning ........................................5
Before You Call a Technician ......................5
Troubleshooting ............................................5
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