SPLIT SYSTEM AIR CONDITIONER
INSTALLATION INSTRUCTIONS
IMPORTANT SAFETY INFORMATION ................. 2
AIR CONDITIONER INSTALLATION ....................3
General Information .............................................. 3
Before You Install this Unit .....................................3
Locating the Air conditioner...................................3
Packaging Removal ..............................................3
Ground Level .........................................................3
Roof Mount............................................................3
Connecting Refrigerant Tubing between the
Indoor & Outdoor Unit ........................................... 4
ELECTRICAL WIRING ...........................................4
Pre - Electrical Checklist ....................................... 4
Line Voltage ...........................................................4
Comfort Alert
TM
Diagnostics Module .....................5
24VAC Power Wiring ...........................................5
Thermostat Demand Wiring ................................5
Interpreting the Diagnostic LED’s .......................5
LED Description .................................................. 6
Grounding .............................................................6
Reverse Rotation Verification ................................ 6
Unbalanced 3-Phase Supply Voltage ....................6
Thermostat Low / Voltage Connections ................. 7
STARTUP & ADJUSTMENTS ...............................7
Pre - Start Checklist .............................................. 7
Start-up Procedures ..............................................7
Air Circulation - Indoor Blower ..............................7
System Cooling .....................................................7
System Heating .....................................................7
DO NOT DESTROY. PLEASE READ CAREFULLY & KEEP IN A SAFE PLACE FOR FUTURE REFERENCE.
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.
S4BD - 018, 024, 030, 036, 042, 048, & 060 (1.5, 2, 2.5, 3, 3.5, 4, & 5 Ton) Series
13 SEER, SINGLE & 3-PHASE MODELS
Refrigerant Charging .............................................7
Charging the Unit in AC Mode with
Outdoor Temperatures Above 55° F ......................8
AIR CONDITIONER MAINTENANCE ....................8
COMPONENT FUNCTIONS .................................. 8
CHARGING TABLES & CHARTS ..........................9
Table 3. Charging Table for 1.5 Ton Units .......... 10
Table 4. Charging Table for 2 Ton Units ............. 10
Table 5. Charging Table for 2.5 Ton Units .......... 10
Table 6. Charging Table for 3 Ton Units ............. 11
Table 7. Charging Table for 3.5 Ton Units .......... 11
Table 8. Charging Table for 4 Ton Units ............. 11
Table 9. Charging Table for 5 Ton Units ............. 12
Figure 3. Charging Chart for 1.5 Ton Units ........ 12
Figure 4. Charging Chart for 2 Ton Units ........... 13
Figure 5. Charging Chart for 2.5 Ton Units ........ 13
Figure 6. Charging Chart for 3 Ton Units ........... 14
Figure 7. Charging Chart for 3.5 Ton Units ........ 14
Figure 8. Charging Chart for 4 Ton Units ........... 15
Figure 9. Charging Chart for 5 Ton Units ........... 15
ELECTRICAL DIAGRAMS & TABLES ................ 16
Figure 10. W.D., Single Phase (1.5 - 5 Ton) ...... 16
Figure 11. W.D., 3-Phase, (3, 4, & 5 Ton) .......... 17
Table 10. Comfort Alert LED Diagnostics .......... 18
Table 11. Module Wiring Troubleshooting .......... 19
INSTALL. / PERFORMANCE CHECKLIST ......... 20
REPLACEMENT PARTS ...................................... 20
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