Nortek S4BF-024 Installation Instructions Manual

Split SyStem air conditioner
inStallation inStrUctionS
S4BF - 024, 036, 048, & 060 (2, 3, 4, & 5 ton 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
CoreSense Diagnostics Module .............................5
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Compressor Protection ...........................................5
Resetting Alert Codes .............................................5
Grounding .................................................................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
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.
reFrigerant charging ................................ 7
Charging the Unit in AC mode ..................................7
Charging Charts & Application Notes .......................8
Figure 4. Charging Chart for 2 Ton Models ............8
Figure 5. Charging Chart for 3 Ton Models ............9
Figure 6. Charging Chart for 4 Ton Models ............9
Figure 7. Charging Chart for 5 Ton Models ............10
Wiring diagramS & taBleS .......................... 11
Figure 8. W.D. for 2 Ton Models without
Figure 9. W.D. for 2 Ton Models with
Figure 10. W.D. for 3 Ton Models without
Figure 11. W.D. for 3 Ton Models with
Figure 12. W.D. for 4 & 5 Ton Models without
Figure 13. W.D. for 4 & 5 Ton Models
coreSenSe troUBleShooting .................. 17
Table 3. CoreSense
inStallation checKliSt ............................... 20
replacement partS ...................................... 20
important
attention inStallerS:
16 Seer, Single phaSe
CoreSense ............................................11
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CoreSense ...........................................12
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CoreSense .........................................13
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CoreSense .........................................14
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CoreSense .........................................15
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with CoreSense ..................................16
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Diagnostics &
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Troubleshooting .........................................17