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York D2EG 060 manual

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Table of contents for the manual

  • Page 1

    GENERAL YORK Model DEG units are single package air conditioners with gas heat designed for outdoor installation on a rooftop or a slab. The units are completely assembled on rigid, permanently attached base rails. All piping, refrigerant charge, and electrical wiring is factory-installed and tested. The units require only electric power , gas pipi[...]

  • Page 2

    035-14832-003-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 the U.S.A.: 1. National Electrical Code ANSI/NFP A No. 70. 2. National Fuel Gas Code Z223.1. 3. Gas-Fired Central Furnace Standard ANSI Z21.47-1993. 4. Local gas utility requirements. In Canada: 1. Canadian Electric[...]

  • Page 4

    The supply and return air duct systems should be designed for the CFM and static requirements of the job. They should NO T be sized to match the dimensions of the duct connections on the unit. CAUTION: Wh en fa st ening ductwork to the side duct flanges on the unit, insert the screws through the duct flanges only . DO NOT insert the screws through [...]

  • Page 5

    DISCONNECT SWITCH BRACKET FOR UNITS WITH OPTIONAL BEL T -DRIVE BRACKET A special bracket for mounting a field-supplied disconnect switch is provided in each unit ordered with an optional belt- drive supply air blower . The bracket is shipped inside the blower compartment taped to the top of the blower housing. Install the bracket on the left hand s[...]

  • Page 6

    GAS CONNECTION The gas supply line can be routed through the knockouts located on the front of the unit or through the opening provided in the unit's base. Refer to Figure 9 to locate these access openings. T ypical supply piping arrangements are shown in Figures 4 and 5. All shaded items are field-supplied. T wo grommets are shipped in the bl[...]

  • Page 7

    VENT AND COMBUSTION AIR HOODS The vent and combustion air hoods are shipped attached to the blower housing in the blower compartment. These hoods must be installed on the outside of the gas heat panel to ensure proper unit function. The necessary mounting screws are provided in a bag that is also attached to the blower housing. The screen for the c[...]

  • Page 8

    NOTE: Install filters so that “Air Flow” arrows point toward the unit. 8. Install filter cover over the end of the hood with one screw (center of hood), securing filters into position. CAUTION: When proceeding with Steps 9 and 10, extreme care must be exercised while turning both the set point and minimum position adjusting screws to prevent tw[...]

  • Page 9

    Unitary Products Group 9 035-14832-003-A-0204 T ABLE 6 - SUPPL Y AIR PERFORMANCE - 3 & 4 T on w/Belt-Drive Blower MODEL DEG 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 1030 [...]

  • Page 10

    10 Unitary Products Group 035-14832-003-A-0204 T ABLE 7 - SUPPL Y AIR PERFORMANCE - 5 T on w/Belt-Drive Blower MODEL DEG 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 060 2500 1059 1560 1077 1590 1095 1630 1 1 14 1650 1 134 1660 1 1[...]

  • Page 11

    Unitary Products Group 11 035-14832-003-A-0204 MODEL DEG POWER SUPPL Y VOL TAGE LIMIT ATIONS (SEE NOTE 1) COMPRESSOR COND. FA N MOTOR, FLA SUPPL Y AIR BLOWER MOTOR, FLA MINIMUM CIRCUIT AMP ACITY MAX. FUSE SIZE, (SEE NOTE 2) AMPS MAX. HACR BREAKER SIZE, AMPS MIN. MAX. RLA LRA 036 208/230-1-60 208/230-3-60 460-3-60 575-3-60 187 187 414 518 253 253 50[...]

  • Page 12

    12 Unitary Products Group 035-14832-003-A-0204 FIG. 9 - DIMENSIONS AND CLEARANCES (3, 4 & 5 TON) All dimensions are in inches. They are subject to change without notice. Certi- fied dimensions will be provided upon DUCT COVERS - Units are shipped with all air duct openings covered. For side duct applications; 1. Remove and discard the supply an[...]

  • Page 13

    COOLING SYSTEM The cooling section is a complete factory package utilizing an air-cooled condenser . The system is factory-charged with Refrigerant-22. The compressor is hermetically sealed and internally sprung. The compressors have inherent (internal) protection. If there is an abnormal temperature rise in the compressor , the protector will open[...]

  • Page 14

    SAFETY CONTROLS (Heating) The control circuit includes the following safety controls: 1. Limit Control (LS). This control is located inside the heat exchanger compartment and is set to open at the temperature indicated in T able 12. It resets automatically . The limit switch, operates when a high temperature condition, caused by inadequate supply a[...]

  • Page 15

    PILOT CHECKOUT The pilot flame should envelope 3/8 inches of the end of the flame sensor . Refer to Figure 12. T o adjust pilot flame, (1) remove pilot adjustment cover screw , (2) adjust the screw for the proper pilot flame, (3) be sure to replace cover screw after adjustment to prevent possible gas leakage. Put the system into operation and obser[...]

  • Page 16

    NOTE: The tubes must be inserted and held in a position per - pendicular to the air flow so that velocity pressure will not affect the static pressure readings. 3. Using an inclined manometer , determine the pressure drop across a dry evaporator coil. Since the moisture on an evaporator coil may vary greatly , measuring the pressure drop across a w[...]

  • Page 17

    NORMAL MAINTENANCE CAUTION: Prior to any of the following maintenance proce - dures, shut off all power to the unit to prevent per - sonal injury . Periodic maintenance normally consists of changing or cleaning filters and (under some conditions) cleaning the main burners. FIL TERS - Inspect once a month. Replace disposable or clean permanent type [...]

  • Page 18

    WARNING: T roubleshooting of components necessarily re - quires opening the electrical control box with the power connected to the unit. Use extreme care when working with live circuits! Check the unit nameplate for the correct line voltage and set the volt meter to the correct range before making any connections with line terminals. CAUTION: The w[...]

  • Page 19

    6. The pilot burner ignites but the sparker continues to spark and the main burners do not ignite. a. Make the same checks and adjustments as described in Item 5. b.Make sure that the pilot burner is not bent or damaged. c. Make sure that the ground connections at the pilot burner , gas valve and ignitor control are intact. Check the high tension w[...]

  • Page 20

    035-14832-003-A-0204 Supersedes: 035-14832-002-A-0302 Unitary Products Group 5005 Y ork Drive, Norman Oklahoma 73069 Subject to change without notice. Printed in U.S.A. Copyright © by Y ork International Corporation 2004. All Rights Reserved.[...]