Nortek SA3BF4M2SN Series, Installation Instructions Manual

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SPLIT SYSTEM AIR CONDITIONER
*SA3BF4M2SN - 24K, 36K, 48K, & 60K (2, 3, 4, & 5 TON) SERIES - SINGLE PHASE MODELS
15.2 SEER2
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.
INSTALLATION INSTRUCTIONS
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
Connecting Refrigerant Tubing Between the
Indoor & Outdoor Unit ............................................3
ELECTRICAL WIRING ...........................................4
Pre-Electrical Checklist ..........................................4
Line Voltage ...........................................................4
Grounding ..............................................................5
Thermostat Connections ........................................5
Low Voltage Connections ......................................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
If the outdoor temperature is 65 degrees F or
higher: ..................................................................7
If the outdoor temperature is below 65
degrees F: ............................................................7
ELECTRICAL INFORMATION ...............................8
Figure 4. *SA3BF4M2SN24K (2.0 Ton Units) ......8
Figure 5. *SA3BF4M2SN36K (3.0 Ton Units) ......9
Figure 6. *SA3BF4M2SN48K and
*SA3BF4M2SN60K (4.0 and 5.0 Ton Units) ........10
INSTALLATION CHECKLIST .................................12
REPLACEMENT PARTS ........................................12