Nordyne S4QD Series Installation Instructions Manual
Nordyne S4QD Series Installation Instructions Manual

Nordyne S4QD Series Installation Instructions Manual

Split system air conditioner for manufactured housing

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S4QD SerieS Split SyStem air conDitioner For manuFactureD HouSing
inStallation inStructionS
2, 2.5, 3, 3.5, 4, & 5 ton, 13 Seer, Single phase models With Quick connect couplings
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
Indoor & Outdoor Unit ........................................... 4
electrical Wiring ........................................... 4
Pre - Electrical Checklist ....................................... 4
Line Voltage ........................................................... 4
Grounding ............................................................. 5
Startup & aDjuStmentS ............................... 6
Pre - Start Checklist .............................................. 6
Start-up Procedures .............................................. 6
Air Circulation - Indoor Blower .............................. 6
System Cooling ..................................................... 6
System Heating ..................................................... 6
Refrigerant Charging ............................................. 6
Outdoor Temperatures Above 55° F.................... 6
air conDitioner maintenance .................... 7
component FunctionS .................................. 7
replacement partS ........................................ 7
cHarging cHartS & tableS .......................... 8
Table 4. Charging Table for - 2 Ton Units ............. 8
Table 5. Charging Table for - 2.5 Ton Units .......... 9
Table 6. Charging Table for - 3 Ton Units ............. 9
Table 7. Charging Table for - 3.5 Ton Units .......... 9
Figure 2. Charging Chart for - 2 Ton Units ........ 10
Figure 3. Charging Chart for 2.5 Ton Units ........ 10
Figure 4. Charging Chart for 3 Ton Units ........... 11
Figure 5. Charging Chart for 3.5 Ton Units ........ 11
Figure 6. Charging Chart for 4 Ton Units ........... 12
Figure 7. Charging Chart for 5 Ton Units ........... 12
Wiring DiagramS ............................................ 13
Figure 8. Wiring Diagram - 2 - 2.5 Ton Units ..... 13
important
attention inStallerS:
Please read all instructions before servicing this
equipment. Pay attention to all safety warnings
and any other special notes highlighted in the
manual. Safety markings are used frequently
throughout this manual to designate a degree or
level of seriousness and should not be ignored.
Warning indicates a potentially hazardous
situation that if not avoided, could result in personal
injury or death.
caution indicates a potentially hazardous
situation that if not avoided, may result in minor
or moderate injury or property damage.
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 anD
Keep in a SaFe place For Future reFerence.

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Summary of Contents for Nordyne S4QD Series

  • Page 1: Table Of Contents

    S4QD SerieS Split SyStem air conDitioner For manuFactureD HouSing inStallation inStructionS 2, 2.5, 3, 3.5, 4, & 5 ton, 13 Seer, Single phase models With Quick connect couplings important important SaFety inFormation ....2 air conDitioner inStallation ....3 attention inStallerS: General Information ..........
  • Page 2: Important Safety Information

    important SaFety inFormation Warning: Warning: Shut off all electrical power to the unit before the information listed below must be followed during the installation, service, and operation performing any maintenance or service on the of this unit. unqualified individuals should system.
  • Page 3: Air Conditioner Installation

    To prevent damage to the tubing connections, general information carefully remove the carton and user’s manual from the The S4QD series air conditioner is designed only for equipment. Discard the shipping carton. outdoor rooftop or ground level installations. This unit has...
  • Page 4: Connecting Refrigerant Tubing Between The Indoor & Outdoor Unit

    connecting refrigerant tubing between the indoor - Make sure the coupling halves are held in proper & outdoor unit alignment with each other prior to starting the threads of female coupling nut onto the male half. Thread caution: coupling halves together by hand until a definite resistance is felt.
  • Page 5: Thermostat / Low Voltage Connections

    • an electrical disconnect must be located within thermostat / low Voltage connections • Thermostat connections should be made in accordance sight of and readily accessible to the unit. This switch shall be capable of electrically de-energizing with the instructions supplied with the thermostat and the outdoor unit.
  • Page 6: Startup & Adjustments

    • Refrigerant charging charts are applicable only to 1. Set the thermostat system mode on OFF and the fan matched assemblies of NORDYNE equipment and mode to ON. listed airflows for the indoor coil. Refer to Figures 2 - 7 2.
  • Page 7: Air Conditioner Maintenance

    • Inspect the electrical connections for tightness at the beginning of each heating and cooling season. Service replacement partS as necessary. Replacement parts are available through all Nordyne distributors. Please have the complete model and serial number of the unit when caution: ordering replacement parts.
  • Page 8: Charging Charts & Tables

    application noteS For uSing S4QD reFrigerant cHarging cHartS & tableS - cooling only noteS: legenD 1. All pressures are listed psig and all temperatures in °F Shaded boxes indicate flooded conditions. 2. Discharge temperatures GREATER than charted values Rated design values. The suction pressure indicate an UNDERCHARGED system.
  • Page 9 outDoor temperature (° F) Suct. press. liq. Dis. liq. Dis. liq. Dis. liq. Dis. liq. Dis. liq. Dis. liq. Dis. liq. Dis. press. temp. press. temp. press. temp. press. temp. press. temp. press. temp. press. temp. press. temp. table 5. charging table for S4QD-030Kc Series (2 .5 ton units) - orifice matches outDoor temperature (°...
  • Page 10 S4QD-024KA/KB Charging Chart Remove refrigerant when above curve Add refrigerant when below curve Liquid Temperature ( ° F) Figure 2. charging chart for 2 ton units note: Do not add or remove refrigerant if pressure reading is between the curves. S4QD-030KA / KB Charging Chart Remove refrigerant when above curve Add refrigerant when below curve...
  • Page 11 S4QD-036KA / KB Charging Chart Remove refrigerant when above curve Add refrigerant when below curve Liquid Temperature ( ° F) Figure 4. charging chart for 3 ton units note: Do not add or remove refrigerant if pressure reading is between the curves. S4QD-042KA Charging Chart Remove refrigerant when above curve Add refrigerant when below curve...
  • Page 12 S4QD-048KA Charging Chart Remove refrigerant when above curve Add refrigerant when below curve Liquid Temperature ( ° F) Figure 6. charging chart for 4 ton units S4QD-060KA Charging Chart Remove refrigerant when above curve Add refrigerant when below curve Liquid Temperature ( ° F) Figure 7.
  • Page 13: Wiring Diagrams

    Wiring DiagramS 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 16: Install. / Performance Checklist

    inStallation / perFormance cHecK liSt electrical SyStem: inStallation aDDreSS: Electrical connections tight? Line voltage polarity correct? CITY ________________________ STATE ________________ Rated Voltage: ___________________________________ VOLTS UNIT MODEL # ________________________________________ UNIT SERIAL # _______________________________________ L1-L2 Volts: _____________________________________ VOLTS Unit Installed Minimum clearances per Figure 1 (page 3)? L1-L3 Volts: _____________________________________ VOLTS inStaller name:...

Table of Contents