Nortek S4BE-018 Series Installation Instructions Manual

Split SyStem air conditioner
inStallation inStructionS
*S4Be / *Sa4Be - 018, 024, 030, 036, 042, 048, & 060 (1.5, 2, 2.5, 3, 3.5, 4, & 5 ton) SerieS
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.
14 Seer, Single phaSe modelS
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
Grounding ..........................................................5
CoreSense Diagnostics Module......................5
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Compressor Protection ....................................5
Resetting Alert Codes ......................................5
Thermostat Connections ....................................6
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 .................7
reFrigerant charging ..............................7
Charging the Unit in AC mode ...........................7
Application Notes for Using the Charging Chart 8
Figure 3. Charging Chart for 2 - 5 Ton Units ....8
electrical inFormation ............................9
Figure 4. Wiring Diagram for 1.5 - 4 Ton
Models (without CoreSense
Figure 5. Wiring Diagram for 1.5 - 4 Ton
Models (with CoreSense
Figure 6. Wiring Diagram for 5 Ton Models
(without CoreSense
Figure 7. Wiring Diagram for 5 Ton Models
(with CoreSense
Table 3. LED Diagnostics for CoreSense
Diagnostics Module ............................13
inStallation / perFormance checKliSt 16
replacement partS .....................................16
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) ..............10
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