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York H3CE120 manual

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Table of contents for the manual

  • Page 1

    GENERAL These condensing units are designed for outdoor installation on a roof or at ground level. Every unit is completely piped and wired at the factory and is shipped ready for immediate installa- tion. Only the liquid and suction lines to the evaporator coil, the control wiring and the main power wiring are required to com - plete the installat[...]

  • Page 2

    035-15407-002-B-0404 2 Unitary Products Group General ................................................................................ 1 Reference ............................................................................ 1 Inspection ............................................................................ 1 Nomenclature .....................[...]

  • Page 3

    LIMIT ATIONS These units must be installed in accordance with all national and local safety codes. If no local codes apply , installation must conform with the appropriate national codes. See T able 1 for Unit Application Data. Units are designed to meet National Safety Code Standards. If components are to be added to a unit to meet local codes, th[...]

  • Page 4

    CLEARANCES All units require certain minimum clearances for proper opera- tion and service. Refer to Figure 4 for these clearances. WARNING: Do not permit overhanging structures or shrubs to obstruct condenser air discharge. Additional height may be required for snow clearance if winter operation is expected. POWER AND CONTROL WIRING Install electr[...]

  • Page 5

    035-15407-002-B-0404 Unitary Products Group 5 Model HCE V oltage Code Compressor Condenser Fan Motor Unit Ampacity (Amps) Max. Fuse Size 1 (Amps) Power Supply RLA LRA Power Supply HP Qty . FLA 090 25 208/230-3-60 25.6 190 208/230-1-60 3/4 1 3.03 35.1 60 46 460-3-60 12.8 95 460-1-60 3/4 1 1.6 17.6 30 58 575-3-60 10.2 75 575-1-60 3/4 1 1.8 14.6 20 12[...]

  • Page 6

    035-15407-002-B-0404 6 Unitary Products Group FIG. 5 - UNIT DIMENSIONS AND CLEARANCES A I R O U T A I R I N 4- 5/ 8 ( 118) 2 5 - 3 / 4 ( 6 5 5 ) 1 0 - 1 / 8 ( 2 5 8 ) 2 - 1 / 2 ( 6 . 4 ) 4 - 1 / 2 ( 115) G U A G E L I N E A C C E S S 1 - 1 / 8 " ( 2 8 . 6 ) O D S U C T I O N L I N E 1 / 2 " ( 1 2 . 7 ) O D L I Q U I D L I N E C O M P R E [...]

  • Page 7

    REFRIGERANT PIPING GENERAL GUIDELINES Many service problems can be avoided by taking adequate precautions to provide an internally clean and dry system and by using procedures and materials that conform with estab- lished standards. Use hard drawn copper tubing where no appreciable amount of bending around pipes or other obstructions is necessary .[...]

  • Page 8

    035-15407-002-B-0404 8 Unitary Products Group NOTE: Add the operating charge of the condensing unit, the evaporator coil and the refrigerant lines to determine the total refrigerant charge of the system. 1 Charges are based on 40 ° F suction temperature and a 105 ° F liquid temperature. 2 T ype “L” copper tubing. Model Designation Nominal Cap[...]

  • Page 9

    EXTENDING THE SERVICE PORTS (Refer to Fig 7.) 1. Loosen the screws securing the service ports in shipping position. 2. Push the service ports through the corner post. 3. T ighten the screws to secure the service ports for installa - tion. INST ALLATION Since the condensing units are shipped with a holding charge of refrigerant-22, they can be check[...]

  • Page 10

    10. After the disc has been removed, burnish the external sur - faces and clean the internal surfaces as outlined above. The suction piping can now be brazed to the suction connection on the evaporator coil while maintaining a minimum flow of dry nitrogen. Before brazing the suction line to the condensing unit; 1. Move the dry nitrogen supply to th[...]

  • Page 11

    035-15407-002-B-0404 Unitary Products Group 11 FIG. 7 - EXTENDING THE SERVICE PORTS[...]

  • Page 12

    035-15407-002-B-0404 12 Unitary Products Group FIG. 8 - CHARGING CURVE HCE090 FIG. 9 - CHARGING CURVE HCE120[...]

  • Page 13

    035-15407-002-B-0404 Unitary Products Group 13 FIG. 10 - CHARGING CURVE HCE150[...]

  • Page 14

    UNIT OPERATION - 7-1/2, 10 & 12-1/2 TON When the external control calls for cooling at terminal Y1: 1. The system controller (SC) is energized. The system con - troller starts the compressors and enables the condenser fans by energizing contactor 1M (and 2M on the 12-1/2 ton, 208/230 volt models). The single condenser fan is energized with the [...]

  • Page 15

    If the unit continues to be shut down by one of its safety con - trols, service should be called to determine the cause of the problem. Repeatedly resetting the lockout circuit may damage the unit. The following accessories are available to provide low am - bient operation to 0 ° F. SAFETY FEATURES 1. All condenser fan motors have inherent protect[...]

  • Page 16

    Unitary Products Group 5005 Y ork Drive, Norman, Oklahoma 73069 Subject to change without notice. Printed in U.S.A Copyright © 2004 by Y ork International Corporation. All Rights Reserved. 035-15407-002-B-0404 Supersedes: 035-15407-002-A-0304[...]