Winchester 4RAC36Q17-30 Instruction Manual

Please read this information thoroughly and become familiar with the capabilities and use of your appliance before attempting to operate or maintain t

10FIGURES & TABLESFigure 4. Unit DimensionsModel NumberNS6QD-Height -H- Width -W- Depth -D-024 27" 22 3/4" 22 3/4"030 27" 22 3

11Table 4. Electrical Specifi cations & Physical DataModel No. NS6QD 24K 30K 36K 42K 48K 60KElectricalDataVolts-Cycles-Phase 208/230-60-1Total Amps

12Figure 5. NS6QD Wiring Diagram (2 - 2.5 Ton Units)7110050WIRING DIAGRAMNOTES:FIELD WIRINGLEGEND:LOW VOLTAGEHIGH VOLTAGECRANKCASEHEATER(OPTIONAL)312S

13Figure 6. NS6QD Wiring Diagram (3 Ton Units)

14L1L2T1T2CompressorContacts1. Disconnect all power before servicing.2. For supply connections use copper conductors only.3. Not suitable on system

15NS6QD CHARGING CHARTS - COOLING ONLYApplication Notes on the Use of Charging Charts• This equipment’s cooling system contains refrigerant under hig

16Figure 8. Charging Chart for 2 Ton Units25027530032535037540042545047550052555057560062575 80 85 90 95 100 105 110 115 120 125 130 135Liquid Pressur

1725027530032535037540042545047550052555057560075 80 85 90 95 100 105 110 115 120 125 130 135Liquid Pressure (psig)NS6QD-036K TXV Charging ChartRemov

1825027530032535037540042545047550052555057560075 80 85 90 95 100 105 110 115 120 125 130 135Liquid Pressure (psig)NS6QD-048K TXV Charging ChartLiqui

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2Important Safety Information ...4Air Conditioner Installation ...5 General Infor

INSTALLATION / PERFORMANCE CHECK LISTREFRIGERATION SYSTEM:Was unit given 24 hr warm up period for crankcase heaters?YES NOStage-1 Liquid Pressure (hig

3IMPORTANT SAFETY INFORMATIONSafety markings are used frequently throughout this manual to designate a degree or level of seriousness and should not b

4INSTALLER INFORMATIONIMPORTANT SAFETY INFORMATIONINSTALLER: Please read all instructions before servicing this equipment. Pay attention to all safety

5AIR CONDITIONER INSTALLATIONGeneral InformationThe NS6QD series air conditioner is designed only for outdoor rooftop or ground level installations. T

6Connecting Refrigerant Tubing Between the Indoor & Outdoor Unit CAUTION:This system uses R-410A refrigerant with POE oil. When servicing, cover o

7COPPER WIRE SIZE — AWG(1% Voltage Drop)Supply Wire Length-FeetSupply CircuitAmpacity200 150 100 506 8 10 14 1546812 2046810 2544610 303468 353468 402

8START UP & ADJUSTMENTSPre-Start Check List Verify the indoor unit is level and allows proper condensate drainage. Verify the outdoor coil and

9• If the pressure measured in Step 1 is less than the required liquid refrigerant pressure determined in Step 3, there is too little charge in the sy