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York LD11556 manual

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Table of contents for the manual

  • Page 1

    LD1 1555 INST ALLA TION, OPERA TION, & MAINTENANCE F AN COIL AIR CONDITIONERS NEW RELEASE Form 1 15.20-NOM6 (1 106) ***** W ARNING TO INST ALLER, SERVICE PERSONNEL AND OWNER ***** Altering the product or replacing parts with non-authorize d factory parts voids all warranty or implied warranty and may result in adverse operational performance an[...]

  • Page 2

    JOHNSON CONTROLS 2 FORM 1 15.20-NOM6 (1 106) T ABLE OF CONTENTS FIG. 2 – PHYSICAL DIMENSIONS (INCHES) Reference Documents: • Parts List, Fan Coil Air Conditioners Form 1 15.20-RP2 (Latest) These documents can be ordered through Publications Dept. or downloaded @ http://intranet.york.com/web0003/ library/default.asp F D C B 2 1.75 A DRAIN KNOCKO[...]

  • Page 3

    3 JOHNSON CONTROLS FORM 1 15.20-NOM6 (1 106) INST ALLA TION RECEIVING Material in this shipment has been inspected at the factory and released to the transportation agency in good condition. When received, a visual inspect ion of all carton s shoul d be ma de imme diatel y . An y evid ence of rough handlin g or app arent damage should be note d on [...]

  • Page 4

    JOHNSON CONTROLS 4 FORM 1 15.20-NOM6 (1 106) INST ALLA TION 2 . Frame around the perimeter of the unit as required for securing the drywall. See T able 1 below for drywall openings. 3. Mo unt the un it in its perma nent locat ion, maki ng sure it is level to insure proper drainage and operation (two 1/2” holes have been provided on each end of th[...]

  • Page 5

    5 JOHNSON CONTROLS FORM 1 15.20-NOM6 (1 106) INST ALLA TION DUCTWORK Ductwork recommendations are as follows: • Insulate to prevent condensation during cooling. • Size to the unit openings are generally ac cept abl e bu t ar e de ter mine d by the eng ine erin g drawings. • Be sure units are ducted per local codes or national codes, as applic[...]

  • Page 6

    JOHNSON CONTROLS 6 FORM 1 15.20-NOM6 (1 106) T able 2 - ELECTRICAL DA T A UNIT MODEL KW TOT AL AMPS MIN. CIR. AMP ACITY MAX.OVERCURRENT PROTECTION 240V 208V 240V 208V 240V 208V 240V 208V 4CWE 0 0 0.0 1.1 N/A N/A N/A N/A N/A 1 1 0.8 5.3 4.7 7 6 15 15 2 2 1.5 9.4 8.3 12 1 1 15 15 3 3 2.3 13.6 1 1.9 17 15 20 15 4 4 3.0 17.8 15.5 23 20 25 20 6CWE 0 0 0[...]

  • Page 7

    7 JOHNSON CONTROLS FORM 1 15.20-NOM6 (1 106) PIPING All piping connections are 5/8" OD copper tubing (see Fig.4). The supply and return piping must be adequately sized to meet the design water flow requirements as spec ified for the speci fic insta llatio n . Al l chille d water piping must be insulated to prevent condensation. It is also r[...]

  • Page 8

    JOHNSON CONTROLS 8 FORM 1 15.20-NOM6 (1 106) Drain Piping Con dens ate drai n lin es mu st be inst alle d wit h ade quat e slope away from the unit to assure positive drainage. Since the drain pan is located on the suction side of the blower , a negative pressure exists at the drain pan and a minimum trap of 1-1/2" must be provided in the drai[...]

  • Page 9

    9 JOHNSON CONTROLS FORM 1 15.20-NOM6 (1 106) SEQUENCE OF OPERA TION YCW With a Chilled W ater Coil The unit will respond to a cooling command from the thermostat by powering a water control valve open. The fan will operate at the speed selected at the thermostat. When the space reaches the temperature setpoint at the thermostat, the cooling valve w[...]

  • Page 10

    JOHNSON CONTROLS 10 FORM 1 15.20-NOM6 (1 106) MAINTENANCE MOTOR The blower motor should be cleaned annually and if it has oiling ports, it should be oiled with a good grade of SAE 20 oil. Normally a few drops of oil in each bearing is sufficient. COIL The coil must be kept clean by any of the following methods. 1. Cleaning with low-pressure compre[...]

  • Page 11

    1 1 JOHNSON CONTROLS FORM 1 15.20-NOM6 (1 106) This Page Intentionally Left Blank[...]

  • Page 12

    T ele. 800-861-1001 www .Y ork.com P .O. Box 1592, Y ork, Pennsylvania USA 17405-1592 Subject to change without notice. Printed in USA T ele. 800-861-1001 P .O. Box 1592, Y ork, Pennsylvania USA 17405-1592 Subject to change without notice. Printed in USA T ele. 800-861-1001 Copyright © by Johnson Controls 2006 ALL RIGHTS RESER VED www .Y ork.com C[...]