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SPLIT SYSTEM AIR CONDITIONER
INSTALLATION INSTRUCTIONS
*SA3ME4M1 - RN24K, RN30K, SN36K, SN42K, & SN48K
(2, 2.5, 3, 3.5, & 4 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.
For installation only in HUD manufactured home per Construction Safety 24 CFR part 3280.
IMPORTANT SAFETY INFORMATION .................. 2
AIR CONDITIONER INSTALLATION ..................... 2
General Information ............................................... 2
Before You Install this Unit ..................................... 2
Packaging Removal ............................................... 3
Locating the Air Conditioner ................................... 3
Clearance Requirements ....................................... 3
Ground Installations ............................................... 3
Roof Installation ..................................................... 3
Accessory Mounting Kits ........................................ 3
Indoor & Outdoor Unit ............................................ 3
ELECTRICAL WIRING ........................................... 4
Pre-Electrical Checklist .......................................... 4
Line Voltage ........................................................... 4
Grounding .............................................................. 5
START UP & ADJUSTMENTS ............................... 5
Pre-Start Check List ............................................... 5
Start-Up Procedures .............................................. 5
Air Circulation - Indoor Blower ............................. 5
System Cooling .................................................... 5
System Heating (optional) ................................... 5
AIR CONDITIONER MAINTENANCE ..................... 6
Panel Removal ....................................................... 6
Panel Installation .................................................... 6
REFRIGERANT CHARGING .................................. 7
Charging the Unit in AC mode ............................... 7
higher: .................................................................. 7
degrees F: ............................................................ 7
ELECTRICAL INFORMATION ............................... 8
Figure 4. Wiring Diagram for *SA3ME4M1RN
Figure 5. Wiring Diagram for *SA3ME4M1SN
INSTALLATION CHECKLIST ................................. 16
REPLACEMENT PARTS ........................................ 16
IMPORTANT
(2 & 2.5 Ton Units) ............................... 8
(3, 3.5, & 4 Ton Units) .......................... 9
14.3 SEER2
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Summary of Contents for Nortek SA3ME4M1 Series
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Page 1: Table Of Contents
SPLIT SYSTEM AIR CONDITIONER 14.3 SEER2 INSTALLATION INSTRUCTIONS *SA3ME4M1 - RN24K, RN30K, SN36K, SN42K, & SN48K (2, 2.5, 3, 3.5, & 4 TON) SERIES - SINGLE PHASE MODELS IMPORTANT IMPORTANT SAFETY INFORMATION ....2 AIR CONDITIONER INSTALLATION ..... 2 General Information ..........2 ATTENTION INSTALLERS: Before You Install this Unit ........ -
Page 2: Important Safety Information
General Information be attempted by qualified trained personnel The *SA3ME4M1 series air conditioner is designed only thoroughly familiar with this equipment. Under for outdoor rooftop or ground level installations. This unit no circumstances should the owner attempt to has been tested for capacity and efficiency in accordance install and/or service this equipment. -
Page 3: Packaging Removal
local building codes. If there is any question concerning • Overhead obstructions (Figure 1), poorly ventilated areas, the power supply, contact the local power company. and areas subject to accumulation of debris should be √ The indoor section (air handler, furnace, etc) should be avoided. -
Page 4: Electrical Wiring
ELECTRICAL WIRING CAUTION: WARNING: When performing brazing operations always protect the system components and seals from ELECTRICAL SHOCK OR FIRE HAZARD the possibility of heat damage. Remove all To avoid risk of electrical shock, personal injury, caps, plugs and Schrader valve cores on piping or death, disconnect all electrical power to the unit system components just prior to assembly and before performing any maintenance or service. -
Page 5: Grounding
√ Verify that the low voltage and thermostat wiring are • Use only copper wire for the line voltage power supply to this unit in strict accordance of the NEC (ANSI/NFPA 70), securely connected to the proper terminals for all applicable local codes, and the instructions provided with equipment. -
Page 6: Air Conditioner Maintenance
Figure 2 AIR CONDITIONER MAINTENANCE WARNING: To prevent electrical shock, personal injury, or death, disconnect all electrical power to the unit before performing any maintenance or service. The unit may have more than one electrical supply. Proper maintenance is important to achieve optimum performance from the air conditioner. -
Page 7: Refrigerant Charging
• Refer to the Quick Reference Data sheet for additional • If your measured superheat at the suction valve charging information for this unit with the approved Nortek is GREATER THAN the recommended superheat indoor units. For reference, these units are listed in the value in the table then ADD refrigerant. -
Page 8: Electrical Information
WIRING DIAGRAM Split System Air Conditioner (Outdoor Section) Single Phase NOTES: 1. Disconnect all power before servicing. 1. Couper le courant avant de faire letretien. 2. For supply connections use copper conductors only. 2. Employez uniquement des conducteurs en cuivre. 3. - Page 9 WIRING DIAGRAM Split System Air Conditioner (Outdoor Section) Single Phase NOTES: 1. Disconnect all power before servicing. 1. Couper le courant avant de faire letretien. 2. For supply connections use copper conductors only. 2. Employez uniquement des conducteurs en cuivre. 3.
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Page 12: Installation Checklist
• Blower Assembly • Fan Grille • Cabinet Panels • Filter/Driers • Expansion Valves Specifications & illustrations subject to change without notice or incurring obligations (10/22). 10441240 O’Fallon, MO, © Nortek Global HVAC LLC 2022. All Rights Reserved. (Replaces 1040995B)
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