Nordyne Outdoor Heat Pump Two Stage Split System R-410A - Manual (Page 3)

3
Safety Information ........................................ 6
Pressures Within the System ..................... 6
Labels, Tags, and Precautions .................... 6
Brazing Operations ..................................... 6
General Information ..................................... 7
Outdoor
Unit ............................................... 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
Grounding ................................................... 9
Low Pressure Switch .................................. 9
High Pressure Switch ................................. 9
Comfort
Alert TM Diagnostics 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
Transformer Upgrade Kit ......................11
Startup & Adjustments...............................11
Pre - Start Checklist .................................11
Thermostat
...............................................11
Outdoor Unit .............................................11
Functional Checkouts ................................11
Cooling
.....................................................11
Heating .....................................................11
Indoor Blower ...........................................12
Short Cycle Protection ..............................12
Defrost Cycle Control ...............................12
Defrost
Test Procedure .............................12
Anti Short Cycle Timer Test ......................13
Heating
Mode .......................................13
Cooling Mode .......................................13
Optional Equipment ..................................13
Adjustment of Refrigerant Charge ............13
Charging R-410A Unit in AC Mode ..........13
Charging R-410A Unit in Heat Mode .......13
Cooling Charging Charts ...........................14
Heating Charging Chart .............................16
Troubleshooting ..........................................17
USER INFORMATION
INSTALLER INFORMATION
Safety Information ........................................ 4
About the Heat Pump ................................... 4
Operating Instructions ................................. 4
Cooling Operation ....................................... 4
Heating Operation ...................................... 4
Emergency Heat ......................................... 4
Defrost Operation ....................................... 4
Operating the Heat Pump for Automatic
Cooling and Heating ................................... 5
Oper. the Indoor Blower Continuously ........ 5
Shutting the Heat Pump Off........................ 5
System Maintenance .................................... 5
Regular Cleaning ........................................ 5
Before You Call a Technician ...................... 5
Troubleshooting ............................................ 5
Warranty Information ................................... 5