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York D2EE 036 manual

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Table of contents for the manual

  • Page 1

    GENERAL YORK Model DEE units are single package air conditioners designed for outdoor installation on a rooftop or a slab. Electric heaters are available as field-installed accessories. The units are completely assembled on rigid, permanently attached base rails. All piping, refrigerant charge, and electrical wiring is factory-installed and tested.[...]

  • Page 2

    035-12046-003-A-0204 2 Unitary Products Group General ................................................................................ 1 Inspection ............................................................................ 1 Reference ............................................................................ 1 Approvals ........................[...]

  • Page 3

    LIMIT ATIONS These units must be installed in accordance with the current edition of the following national and local safety codes: In USA: 1. National Electrical Code ANSI/NFP A No. 70. 2. Local electric utility requirements. In Canada: 1. Canadian Electrical Code C22.1. 2. Canadian Installation Codes CAN/CGA-B149.1 and .2. Refer to T able 1 for U[...]

  • Page 4

    kept clean or replaced with same size and type. Dirty filters will reduce the capacity of the unit and will result in frosted coils or safety shutdown. Minimum filter area and required sizes are shown in T able 2. CONDENSA TE DRAIN Plumbing must conform to local codes. Use a sealing compound on male pipe threads. Install a condensate drain line fro[...]

  • Page 5

    All direct-drive units with 460 and 575 voltage are shipped with the wire labeled #1 16 connected to the “HIGH” speed tap on the blower motor . If the medium speed is required, connect wire #1 16 to the “MED” speed tap and the blue motor lead to the “HIGH” speed tap. If the low speed is required, connect wire #1 16 to the “LOW” spee[...]

  • Page 6

    10. T o check that the damper blades move smoothly without binding, carefully turn the minimum position adjusting screw fully clockwise and then energize and de-energize terminals “R” to “G”. With terminals “R” to “G” energized, turn the minimum position screw counterclockwise until the desired minimum position has been attained. 1 [...]

  • Page 7

    035-12046-003-A-0204 Unitary Products Group 7 FIG. 5 - DIMENSIONS & CLEARANCES - 3 - 5 TONS DUCT COVERS - Units are shipped with all air duct openings covered. For side duct applications; 1.Remove and discard the supply and return air duct covers. 2.Connect ductwork to duct flanges on the rear of the unit. For bottom duct applications; 1. Remov[...]

  • Page 8

    Install the bracket on the left hand side of the unit as shown in Figure 5. Several existing screws at the top of the unit and one screw approximately midway down from the top will be used for mounting the bracket. Screws should be loosened only - NOT REMOVED. Matching holes in the bracket have elongated keyways allowing easy installation. Re-tight[...]

  • Page 9

    035-12046-003-A-0204 Unitary Products Group 9 T ABLE 4 - SUPPL Y AIR PERFORMANCE - 3 & 4 TON w/Belt-Drive Blower UNIT SIZE (MBH) AIR FLOW CFM Available External Static Pressure - IWG* 0.20 0.30 0.40 0.50 0.60 0.70 0.80 RPM W atts RPM Watts RPM W atts RPM Watts RPM W atts RPM Watts RPM W atts 048 2000 843 860 880 925 919 1005 956 1065 993 1 145 [...]

  • Page 10

    035-12046-003-A-0204 10 Unitary Products Group T ABLE 5 - SUPPL Y AIR PERFORMANCE - 5 TON w/Belt-Drive Blower UNIT SIZE (MBH) AIR FLOW CFM Available External Static Pressure - IWG* 0.20 0.30 0.40 0.50 0.60 0.70 0.80 RPM W atts RPM Watts RPM W atts RPM Watts RPM W atts RPM W atts RPM Watts 060 2500 1059 1560 1077 1590 1095 1630 1 1 14 1650 1 134 166[...]

  • Page 11

    035-12046-003-A-0204 Unitary Products Group 11 EXTERNAL ST A TIC PRESSURE DROP DESCRIPTION RESIST ANCE, IWG CFM 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 Economizer 1, 3 0.07 0.08 0.09 0.1 1 0.13 0.15 0.17 0.20 0.23 0.26 0.30 Electric Heaters 1 5 - 15 KW 0.04 0.05 0.06 0.07 0.08 0.10 0.12 0.14 0.16 0.19 0.22 20 - 30 KW 0.06 0.07 0.08 0[...]

  • Page 12

    The heaters are wired for a single point power supply . Power supply need only be brought into the single point terminal block and thermostat wiring to the low voltage terminal strip located in the upper portion of the unit control box. Fuses are supplied, where required, by the factory . Some KW sizes require fuses and others do not. Refer to the [...]

  • Page 13

    HEA T ANTICIP ATOR SETPOINTS It is important that the anticipator setpoint be correct. T oo high of a setting will result in longer heat cycles and a greater temperature swing in the conditioned space. Reducing the value below the correct setpoint will give shorter “ON” cycles and may result in the lowering of the temperature within the conditi[...]

  • Page 14

    035-12046-003-A-0204 14 Unitary Products Group SECURE OWNER'S APPROV AL : When the system is functioning properly , secure the owner's approval. Show him the location of all disconnect switches and the thermostat. T each him how to start and stop the unit and how to adjust tem - perature settings within the limitations of the system. MAIN[...]

  • Page 15

    035-12046-003-A-0204 Unitary Products Group 15[...]

  • Page 16

    Unitary Products Group 5005 York Drive, Norman, Oklahoma 73069 Subject to change without notice. Printed in U.S.A 035-12046-003-A-0204 Copyright © 2004 by Unitary Products Group. All Rights Reserved. Supersedes: 035-12046-002-A-0302[...]