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Nortek SA1BF4M2SN Series Installation Instructions Manual

Split system air conditioner
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SPLIT SYSTEM AIR CONDITIONER
INSTALLATION INSTRUCTIONS
*SA1BF4M2SN - 24K, 36K, 48K, & 60K (2, 3, 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 unit 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.
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
& Outdoor Unit .............................................................. 3
ELECTRICAL WIRING .................................................. 4
Pre-Electrical Checklist ................................................. 4
Line Voltage .................................................................. 4
Diagnostics Module................................. 4
Compressor Protection ................................................ 5
Resetting Alert Codes .................................................. 5
Grounding ..................................................................... 5
Thermostat Connections ............................................... 5
START UP & ADJUSTMENTS ...................................... 6
Pre-Start Check List ...................................................... 6
Start-Up Procedures ..................................................... 6
Air Circulation - Indoor Blower ..................................... 6
System Cooling ............................................................ 6
System Heating (optional) ........................................... 6
AIR CONDITIONER MAINTENANCE ............................ 6
Panel Removal .............................................................. 6
Panel Installation ........................................................... 6
REFRIGERANT CHARGING ......................................... 7
Charging the Unit in AC mode ...................................... 8
WIRING DIAGRAMS & TABLES ................................... 9
Figure 6. Wiring Diagram for *SA1BF4M2SN
(2 Ton Units Without CoreSense
Figure 7. Wiring Diagram for *SA1BF4M2SN
(2 Ton Units With CoreSense
Figure 8. Wiring Diagram for *SA1BF4M2SN
(3 Ton Units Without CoreSense
Figure 9. Wiring Diagram for *SA1BF4M2SN
(3 Ton Units With CoreSense
Figure 10. Wiring Diagram for *SA1BF4M2SN
(4 & 5 Ton Units Without CoreSense
Figure 11. Wiring Diagram for *SA1BF4M2SN
(4 & 5 Ton Units With CoreSense
TROUBLESHOOTING ........................ 15
Table 1. CoreSense
LED Diagnostics ....................... 15
INSTALLATION CHECKLIST ........................................ 20
REPLACEMENT PARTS ............................................... 20
16 SEER
) .............. 9
TM
) ................... 10
TM
) .............. 11
TM
) ................... 12
TM
TM
) ..... 13
TM
) .......... 14

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  • Page 1: Table Of Contents

    SPLIT SYSTEM AIR CONDITIONER 16 SEER INSTALLATION INSTRUCTIONS *SA1BF4M2SN - 24K, 36K, 48K, & 60K (2, 3, 4, & 5 TON) SERIES - SINGLE PHASE MODELS IMPORTANT IMPORTANT SAFETY INFORMATION ......2 AIR CONDITIONER INSTALLATION ......3 General Information ............3 ATTENTION INSTALLERS: Before You Install this Unit ..........

  • Page 2: Important Safety Information

    IMPORTANT SAFETY INFORMATION CAUTION: INSTALLER: Please read all instructions before servicing this equipment. Pay attention to all safety warnings and This unit uses R-410A refrigerant. DO NOT use any other special notes highlighted in the manual. Safety markings are used frequently throughout this manual to any other refrigerant in this unit.

  • Page 3: Air Conditioner Installation

    AIR CONDITIONER INSTALLATION 6” from Building General Information or Structure The *SA1BF4M2SN series air conditioner is designed only for outdoor rooftop or ground level installations. This unit has been tested for capacity and efficiency in accordance 24" for 12" or 18”...

  • Page 4: Electrical Wiring

    √ Verify factory wiring is in accordance with the unit wiring • When connecting refrigerant linesets together, it is recommended that dry nitrogen be flowing through the diagram See Figure 6 (page Figure 7 (page 10), joints during brazing to prevent internal oxidation and Figure 8 (page 11), Figure 9 (page...

  • Page 5: Compressor Protection

    a problem. Alert identification codes are also listed in Table Resetting Alert Codes 1, (page 15). When the CoreSense Diagnostics module has detected a series of adverse conditions that have caused it to lockout Compressor Protection the compressor, and after the issue has been resolved, it The CoreSense Diagnostics module utilizes proprietary is necessary to manually reset the module in order to clear...

  • Page 6: Start Up & Adjustments

    START UP & ADJUSTMENTS AIR CONDITIONER MAINTENANCE Pre-Start Check List WARNING: √ Verify the indoor unit is level and allows proper condensate drainage. √ Verify the outdoor coil and top of the unit are free from To prevent electrical shock, personal injury, or obstructions and debris, and all equipment access/control death, disconnect all electrical power to the unit panels are in place.

  • Page 7: Refrigerant Charging

    REFRIGERANT CHARGING WARNING: *SA1BF4M2SN Split System Air Conditioners are shipped charged with R410A refrigerant and ready for installation. If repairs make it necessary for evacuation and charging, it should only be attempted by qualified trained personnel thoroughly familiar with this equipment. Under no circumstances should the owner attempt to install and/or service this equipment.

  • Page 8: Charging The Unit In Ac Mode

    Charging the Unit in AC mode If the outdoor temperature is 65 degrees F or higher: After completing the refrigerant line connections, leak checking the system, and evacuating the indoor section and all line connections (using proper methods), perform the following steps: 1.

  • Page 9: Wiring Diagrams & Tables

    WIRING DIAGRAMS & TABLES Figure 6. Wiring Diagram for *SA1BF4M2SN (2 Ton Units Without CoreSense...
  • Page 10 YELLOW BLACK BLUE Figure 7. Wiring Diagram for *SA1BF4M2SN (2 Ton Units With CoreSense...
  • Page 11 BLACK BLUE Figure 8. Wiring Diagram for *SA1BF4M2SN (3 Ton Units Without CoreSense...
  • Page 12 YELLOW BLACK BLUE Figure 9. Wiring Diagram for *SA1BF4M2SN (3 Ton Units With CoreSense...
  • Page 13 YELLOW BLUE Figure 10. Wiring Diagram for *SA1BF4M2SN (4 & 5 Ton Units Without CoreSense...
  • Page 14 YELLOW BLACK BLUE Figure 11. Wiring Diagram for *SA1BF4M2SN (4 & 5 Ton Units With CoreSense...

  • Page 15: Coresense Tm Troubleshooting

    CORESENSE TROUBLESHOOTING STATUS LED STATUS LED DESCRIPTION STATUS LED TROUBLESHOOTING INFORMATION Solid Green Module has power and Supply voltage is present at module terminals “RUN” operating normally 1. Compressor protector is open • Check for high head pressure • Check compressor supply voltage Thermostat demand signal Y is Solid Red 2.
  • Page 16 STATUS LED STATUS LED DESCRIPTION STATUS LED TROUBLESHOOTING INFORMATION Yellow “ALERT” Welded Contactor 1. Compressor contactor has failed closed Flash Code 8 Compressor always runs 2. Thermostat demand signal not connected to module Low Supply Voltage Yellow “ALERT” 1. Control Circuit transformer is overloaded Flash Code 9 Voltage below 18V 2.

  • Page 20: Installation Checklist

    COMPONENTS: Blower Assembly Fan Grille Cabinet Panels Filter/Driers Expansion Valves Specifications & illustrations subject to change without notice or incurring obligations (12/18). 10252510 O’Fallon, MO, © Nortek Global HVAC LLC 2018. All Rights Reserved. (Replaces 1016543)

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