14 SEER
SPLIT SYSTEM HEAT PUMP WITH MICROCHANNEL COILS
T4BE - 018, 024, 030, 036, 042, 048, & 060 (1.5, 2, 2.5, 3, 3.5, 4, & 5 TON) SERIES
SINGLE PHASE 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
REFRIGERANT CHARGING ............................................ 9
Charging the Unit in AC Mode ......................................... 9
Application Notes & Charging Charts
(Cooling Mode Only) ....................................................... 10
Figure 6. Charging Chart for 1.5 Ton Models ................. 10
Figure 7. Charging Chart for 2 Ton Models .................... 11
Figure 8. Charging Chart for 2.5 Ton Models ................. 11
Figure 9. Charging Chart for 3 Ton Models .................... 12
Figure 10. Charging Chart for 3.5 Ton Models ............... 12
Figure 11. Charging Chart for 4 Ton Models .................. 13
Figure 12. Charging Chart for 5 Ton Models .................. 13
Refrigerant Charging Tables (Cooling Mode Only) ......... 14
Table 5. Charging Table for 1.5 Ton Models ................... 14
Table 6. Charging Table for 2 Ton Models ...................... 14
Table 7. Charging Table for 2.5 Ton Models ................... 15
Table 8. Charging Table for 3 Ton Models ...................... 15
Table 9. Charging Table for 3.5 Ton Models ................... 16
Table 10. Charging Table for 4 Ton Models .................... 16
Table 11. Charging Table for 5 Ton Models .................... 17
Application Notes & Heat Mode Verification Tables
(Heat Mode Only) ............................................................ 18
Table 12. Verification Table for 1.5 Ton Models .............. 19
Table 13. Verification Table for 2 Ton Models ................. 19
Table 14. Verification Table for 2.5 Ton Models .............. 19
Table 15. Verification Table for 3 Ton Models ................. 19
Table 16. Verification Table for 3.5 Ton Models .............. 20
Table 17. Verification Table for 4 Ton Models ................. 20
Table 18. Verification Table for 5 Ton Models ................. 20
WIRING DIAGRAMS ......................................................... 21
Figure 13. W.D. for 1.5 - 5 Ton Models Equipped With
CoreSense
TM
Diagnostic Module ................... 21
Figure 14. W.D. for 1.5 - 5 Ton Models NOT Equipped
With CoreSense
TM
Diagnostic Module .......... 22
Figure 15. W.D. for 1.5 - 5 Ton Models Equipped with
Low Pressure Switch .................................... 23
INSTALLATION / PERFORMANCE CHECK LIST ........... 24
REPLACEMENT PARTS ................................................... 24
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
Outdoor Orifice Removal & Installation ........................... 4
ELECTRICAL WIRING ...................................................... 5
Pre-Electrical Checklist ................................................... 5
Line Voltage ..................................................................... 5
Grounding ........................................................................ 6
Thermostat / Low Voltage Connections .......................... 6
CoreSense
TM
Diagnostics Module ................................... 6
Compressor Protection .................................................. 7
Resetting Alert Codes ................................................... 7
START UP & ADJUSTMENTS ......................................... 7
Pre-Start Check List ........................................................ 7
Start-Up Procedures ........................................................ 7
Air Circulation - Indoor Blower ......................................... 7
Short Cycle Protection ..................................................... 8
System Cooling ............................................................... 8
System Heating ............................................................... 8
Defrost Control Board Test Pins ...................................... 8
HEAT PUMP MAINTENANCE .......................................... 8
