Installation guide

OUTDOOR SPLIT SYSTEM HEAT PUMP 16 SEER
TWO-STAGE, R-410A MODELS
IMPORTANT
ATTENTION INSTALLERS:
It is your responsibility to know this product better than your customer. This includes being able to install
the product according to strict safety guidelines and instructing the customer on how to operate and
maintain the equipment for the life of the product. Safety should always be the deciding factor when
installing this product and using common sense plays an important role as well. Pay attention to all safety
warnings and any other special notes highlighted in the manual. Improper installation of the furnace or
failure to follow safety warnings could result in serious injury, death, or property damage.
These instructions are primarily intended to assist qualified individuals experienced in the proper
installation of this appliance. Some local codes require licensed installation/service personnel for this
type of equipment. Please read all instructions carefully before starting the installation. Return these
instructions to the customer’s package for future reference.
DO NOT DESTROY. PLEASE READ CAREFULLY & KEEP IN A SAFE PLACE FOR FUTURE REFERENCE.
INSTALLATION INSTRUCTIONS
IMPORTANT SAFETY INFORMATION ............... 2
HEAT PUMP INSTALLATION .............................. 3
General Information ............................................ 3
Before You Install the Heat Pump ....................... 3
Locating the Heat Pump ..................................... 3
Packaging Removal ............................................ 3
Ground Level....................................................... 3
Rooftop ............................................................... 3
Connecting Refrigerant Tubing Between the Indoor &
Outdoor Unit ..................................................... 4
ELECTRICAL WIRING ......................................... 4
Pre-Electrical Checklist ....................................... 4
Line Voltage ........................................................ 4
Grounding ........................................................... 5
Thermostat / Low Voltage Connections .............. 5
CoreSense
TM
Diagnostics Module....................... 5
Compressor Protection ..................................... 5
Resetting Alert Codes ....................................... 6
Outdoor Fan Motor .............................................. 6
Optional Equipment ............................................ 6
Transformer Upgrade Kit ................................... 6
START UP & ADJUSTMENTS ............................ 7
Pre-Start Check List ............................................ 7
Start-Up Procedures ........................................... 7
Operating Temperatures ................................... 7
Air Circulation - Indoor Blower .......................... 7
System Cooling ................................................. 7
System Heating (Optional) ................................ 7
Short Cycle Protection ........................................ 7
Defrost Cycle Control .......................................... 7
Defrost Test Procedure ....................................... 8
Anti Short Cycle Timer Test ................................ 8
Heating Mode .................................................... 8
Cooling Mode .................................................... 8
REFRIGERANT CHARGING ............................... 8
Charging the Unit in AC Mode ............................ 9
Charging Charts & Application Notes ................. 9
Figure 4. Charging Chart for 2 Ton Units ........... 10
Figure 5. Charging Chart for 3 Ton Units ........... 10
Figure 6. Charging Chart for 4 Ton Units ........... 11
Figure 7. Charging Chart for 5 Ton Units ........... 11
Figure 8. Heat Mode Charging Chart ................ 12
WIRING DIAGRAMS ............................................ 13
Figure 9. W.D. for 2 Ton Models Without
CoreSense
TM ............................................................................................13
Figure 10. W.D. for 2 Ton Models With
CoreSense
TM ............................................................................................14
Figure 11. W.D. for 3 Ton Models Without
CoreSense
TM ............................................................................................15
Figure 12. W.D. for 3 Ton Models With
CoreSense
TM ............................................................................................16
Figure 13. W.D. for 4 & 5 Ton Models Without
CoreSense
TM ............................................................................................17
Figure 14. W.D. for 4 & 5 Ton Models With
CoreSense
TM ............................................................................................18
CORESENSE
TM
TROUBLESHOOTING ............... 19
Table 5. Coresense
TM
Diagnostics & LED
Troubleshooting ................................................. 19
HEAT PUMP MAINTENANCE ............................. 21
REPLACEMENT PARTS ...................................... 21
INSTALLATION CHECKLIST .............................. 24

Summary of content (24 pages)