York 30 to 50 TR Installation, Operation & Maintenance Manual

York 30 to 50 TR Installation, Operation & Maintenance Manual

Dms saber series air cooled packaged air conditioners

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Installation, Operation & Maintenance Manual - 60 Hz
DMS Saber Series
Air Cooled Packaged Air Conditioners
30 to 50 TR

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Summary of Contents for York 30 to 50 TR

  • Page 1 Installation, Operation & Maintenance Manual - 60 Hz DMS Saber Series Air Cooled Packaged Air Conditioners 30 to 50 TR...
  • Page 2: Table Of Contents

    Installation, Operation & Maintenance Manual ( IOPCKKS60220510C1) CONTENTS GENERAL OPERATION Safety considerations ............3 Sound power ratings ............. 18 Inspection ................3 Volt free contact ..............18 Renewal parts ............... 3 Sequence of operations ............18 Product nomenclature ............4 Cooling operation errors ............
  • Page 3: General

    Installation, Operation & Maintenance Manual ( IOPCKKS60220510C1) GENERAL RENEWAL PARTS Refer to YORK ® USER’S MAINTENANCE and SERVICE INFORMATION MANUAL. It is strongly suggested that only genuine YORK ® Spare Parts are used to ensure long life, product and operator safety and ® YORK Saber units are single package air conditioners equipped efficient working of the unit.
  • Page 4: Product Nomenclature

    Installation, Operation & Maintenance Manual ( IOPCKKS60220510C1) PRODUCT NOMENCLATURE LIMITATIONS INSTALLATION These units must be installed in accordance with the applicable Read these instructions before continuing this appliance national and local safety codes. (Refer to Unit Application Data installation. This is an outdoor combination heating and cooling table).
  • Page 5: Location

    Installation, Operation & Maintenance Manual ( IOPCKKS60220510C1) LOCATION WARNING Use the following guidelines to select a suitable location for these units : BEFORE LIFTING A UNIT, MAKE SURE THAT ALL PANELS ARE IN PLACE AND THAT ITS WEIGHT IS DISTRIBUTED Unit are designed for outdoor installation only.
  • Page 6: Fixed Outdoor Air Intake Damper

    Installation, Operation & Maintenance Manual ( IOPCKKS60220510C1) CONDENSATE DRAIN Plumbing must conform to local codes. Use a sealing compound on male pipe threads. Install a condensate drain line from the one-inch FPT female connection on the unit to an open drain. NOTE: The condensate drain operates in a negative pressure in the cabinet.
  • Page 7: Compressors

    Installation, Operation & Maintenance Manual ( IOPCKKS60220510C1) COMPRESSORS entry at knockout openings require conduit fittings to comply with local codes. Refer to the Dimensions and Clearances Figures 8 for installation location. Units are shipped with factory adjusted compressor mountings If any of the wire supplied with the unit must be replaced, and ready for operation.
  • Page 8: Phasing

    FIGURE 6 : Typical Field Wiring Schematic PHASING CAUTION YORK Saber units are properly phased at the factory. Check for proper compressor rotation. If the blower or compressors rotate in the wrong direction at start up, the electrical connection to the unit is mis-phased.
  • Page 9: Product Data

    Installation, Operation & Maintenance Manual ( IOPCKKS60220510C1) PRODUCT DATA Model Btuh/W 10.3 10.9 Ratings @ ARI Conditions Capacity MBh (kW) 344.6 ( 101 ) 386.3 ( 113.2 ) 462.9 ( 135.7 ) 588 ( 172.3 ) Compressor hp (kW) 30.6 ( 22.8 ) 31.5 ( 23.5 ) 50.9 ( 38 ) 69.7 ( 52 )
  • Page 10: Dimensions And Clearances

    Installation, Operation & Maintenance Manual ( IOPCKKS60220510C1) DIMENSIIONAL DATA - DMS 360, 420, 480, & 600 Notes : DMS 600 with 4 condenser fans. For economizer option, add 800 mm to the unit length. For bag filter option, add 800 mm to the unit length. When selecting the option of UV lamps, add 800 mm to the unit length.
  • Page 11: Drive And Pulley Data

    Installation, Operation & Maintenance Manual ( IOPCKKS60220510C1) DRIVE AND PULLEY DATA Low Static Drive Set MODEL Pitch Dia. Pitch Dia rpm range Centre Dist. Belt Size Motor Bush Fan Pulley Bush Pulley 1615 x 2517 x VAR 146 A2 SPA-355 2 1839 38mm 35mm...
  • Page 12: Electrical Data

    Installation, Operation & Maintenance Manual ( IOPCKKS60220510C1) ELECTRICAL DATA DMS-360 Model Supply Blower Motor Minimum Circuit Maximum Fuse Compressors Condenser Fan Motors Electric Heater Voltage Amperes Breaker Size Standard Extended RLA Each LRA Each FLA Each Amperes Amperes Amperes 157.1 220 V / 3Ph / 60 Hz 29.5 237.0...
  • Page 13: Fan Performance Data

    Installation, Operation & Maintenance Manual ( IOPCKKS60220510C1) FAN PERFORMANCE Table 7: Fan Performance Data Page 13...
  • Page 14: Additional Pressure Drops

    Installation, Operation & Maintenance Manual ( IOPCKKS60220510C1) ADDITIONAL PRESSURE DROPS The additional pressure losses should be calculated from the raph and ADDED along with the ESP (External Static Pressure) to calculate fan performance. Figure 8: Pressure drops due to options Page 14...
  • Page 15: Checking Supply Air Cfm

    AIR QUANTITY CAN RESULT IN EXTENSIVE BLOWER DAMAGE OPERATIONAL SAFETY York DMS Saber Roof Top Packages Air Conditioners in conformance to the highest standards of operational as well as operator safety. SAFETY Nevertheless, hazards may occur if the units are used for purposes...
  • Page 16: Use And Operation

    3. Warnings against coming into contact with electrical parts. CONFORMANCE WITH GENERAL STANDARDS AND PROVISIONS ® YORK DMS Saber Roof Top Packaged Air Conditioners are designed for and are able to cool, heat, filter air and operate in the fan mode.
  • Page 17: Recommended Safety Practices

    Installation, Operation & Maintenance Manual ( IOPCKKS60220510C1) RECOMMENDED SAFETY PRACTICES This publication explains the proper use and installation of equipment in order to warn operating and maintenance personnel of the commonly recognized dangers associated with this equipment. In addition to following the manufacturer’s installation instructions, care must be taken to ensure compliance with federal, state and local rules, regulations, codes and standards.
  • Page 18: Operation

    Installation, Operation & Maintenance Manual ( IOPCKKS60220510C1) OPERATION SOUND POWER RATINGS A sound power level is a measure of the total noise radiated by the machine in all directions. It is a property of the machine and is essentially independent of the measuring environment. Sound power levels are useful to equipment manufacturers, buyers, installers, and users for : Calculating the sound pressure level from a machine at a given distance in a given environment.
  • Page 19: Cooling Operation Errors

    Installation, Operation & Maintenance Manual ( IOPCKKS60220510C1) When the thermostat calls for 2nd stage of cooling low voltage Once the low pressure switch has been proven (closed during control circuit from R to Y2 is completed, compressor 2 is the 30 second monitor period described above), the UCB will energized, provided it has not been locked out.
  • Page 20: Compressor Protection

    Installation, Operation & Maintenance Manual ( IOPCKKS60220510C1) The refrigeration systems are independently monitored and Temperature Limit Switch (AUTO) controlled. On any fault, only the associated system will be affected by any safety / preventive action. This control is located inside the heater compartment and is set to open at 120°F.
  • Page 21: Belt Drive Blower

    Installation, Operation & Maintenance Manual ( IOPCKKS60220510C1) SHUT DOWN when the fan switch is in the AUTO position, check the room thermostat for contact between R and G in the AUTO position during calls for cooling. Set the thermostat to highest temperature setting. If the supply air blower motor does not energize when the fan Turn off the electrical power to the unit.
  • Page 22 Installation, Operation & Maintenance Manual ( IOPCKKS60220510C1) UCB, from the room thermostat at the UCB Y2 terminal. If 24 volts is i.e. Y1 to Y1, Y2 to Y2,Y3 to Y3 & Y4 to Y4. not present from the room thermostat, check for the following : If 24 volts is present at the UCB Y1 terminal, the compressor may be out due to an open high pressure switch, low pressure UCB,...
  • Page 23: Unit Flash Codes

    Installation, Operation & Maintenance Manual ( IOPCKKS60220510C1) If compressor contactor 1 is not pulled in, check for 24 volts UNIT FLASH CODES at the coil. If 24 volts is present and compressor contactor 1 is not pulled in, replace the contactor. Various flash codes are utilized by the unit control board (UCB) to Failing the above, if voltage is supplied at compressor aid in troubleshooting.
  • Page 24: Maintenance

    10 mm to 13 mm when be removed by proper sanding the surface. Repaint the unit pressed lightly with a finger. with proper touch up paint, available from YORK ® Check the unit for any unusual vibrations or noise, locate the cause and rectify it by changing mounts, base.
  • Page 25: Notes

    Installation, Operation & Maintenance Manual ( IOPCKKS60220510C1) Page 25...
  • Page 26 Installation, Operation & Maintenance Manual ( IOPCKKS60220510C1) Page 26...
  • Page 27 Installation, Operation & Maintenance Manual ( IOPCKKS60220510C1) Page 27...
  • Page 28 Our triple bottom line of sustainability that is, economic prosperity, environmental stewardship and social responsibility impacts each and every aspect of our business. York products are now a premier brand manufactured by Johnson Controls. The acquisition of York, gives us a unique insight into designing HVAC products that match your exact requirements.

This manual is also suitable for:

Saber dms-360Saber dms-420Saber dms-480Saber dms-600

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