York YCHBC Installation & Operation Manual

York YCHBC Installation & Operation Manual

Fan coil air conditioners

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INSTALLATION, OPERATION, & MAINTENANCE
MODEL YHBC – Ceiling Concealed Model
MODEL YHH – Ceiling Concealed Model with Electric Heat
MODEL YPHBC – Ceiling Concealed Model with Insulated
Return. Plenum and Filter
MODEL YPHH – Ceiling Concealed Model with Electric
Heat, Insulated Return Plenum and Filter
Notes:
1. 2-Pipe units have one water coil. 4-Pipe units have two water coils.
2. Changeover is used to select heating or cooling mode.
3. YORK International does not recommend "fan cycle" applications for cooling on unit mounted thermostats.
4. For proper operation, control valve must be normally closed.
5. Aquastats provided where required.
6. Electric Heat is only available in the YHH and YPHH units. These units require a remote thermostat (low voltage 4 wire thermostat).
***** WARNING TO INSTALLER, SERVICE PERSONNEL AND OWNER *****
Altering the product or replacing parts with non authorized factory parts voids all warranty or
implied warranty and may result in adverse operational performance and/or a possible hazardous
safety condition to service personnel and occupants. Company employees and/or contractors are
not authorized to waive this warning.
L23952Y 1-05
AIR CONDITIONERS
Supersedes: Form 115.20-NOM2 (1199) Form 115.20-NOM2 (105)
00168VIP
MODEL YCHBC – Ceiling Cabinet Model
00170VIP
MODEL YRHBC – Telescoping / Recessed Ceiling Model
00171VIP
MODEL YHYB – High Capacity Ceiling Concealed Model
MODEL YPHYB – High Capacity Ceiling Concealed Model
with Insulated Return Plenum and Filter
FAN COIL
00172VIP
00173VIP
00174VIP
00175VIP

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Summary of Contents for York YCHBC

  • Page 1 1. 2-Pipe units have one water coil. 4-Pipe units have two water coils. 2. Changeover is used to select heating or cooling mode. 3. YORK International does not recommend “fan cycle” applications for cooling on unit mounted thermostats. 4. For proper operation, control valve must be normally closed.
  • Page 2: Table Of Contents

    • IOM for YVC-YVF-YVS • IOM for YSHW, YSHX • IOM for YSVW, YSVX • Parts List These documents can be ordered through Publications Dept. or downloaded @ http://intranet.york.com/web0003/library/default.asp TABLE 1 - NOMINAL AIRFLOWS UNIT SIZE TABLE OF CONTENTS Form 115.20-NOM3 (Latest) Form115.22-NOM5 (Latest)
  • Page 3: Receiving

    The YHBC, YPHBC, YRHBC, YHH, YHHS, YPHH, YHYB, and YPHYB units are designed for installation in a horizontal position above a dropped ceiling. The YCHBC is a cabinet unit intended for horizontal exposed surface mounting. YORK INTERNATIONAL INSTALLATION In free (non-ducted return air) return installations of YHBC, YHH, YHHS and YHYB units;...
  • Page 4 FORM 115.20-NOM2 (105) ���� ����� ����� � ��� � � � ����� ��� ����� � � � ���� � � � ����� ��� ����� ����� �������� ����� ������ LD010198 �� ��� ��� ������ ����� ����� ������� ������ ����� ������ YORK INTERNATIONAL...
  • Page 5 24V Coil), Auto fan speed control, digital readout, auto-overide. ���������� ��������� �������� ���������� ��� � ���� � ���� � ���� ��� � ���� ������� ��� ���� FIG. 3 – WIRING SCHEMATIC FOR HBC/PHBC/CHBC/RHBC/HYB/PHYB YORK INTERNATIONAL INSTALLATION ���� ��� ���������� ���������� ������ ����� ����� ������ ������� � ���� �����...
  • Page 6: Piping

    It is the installers responsibility to ensure ad- equate condensation prevention. The installer must also ensure that there is no condensate drippage onto elec- trical components beneath insulated components. FORM 115.20-NOM2 (105) YORK INTERNATIONAL...
  • Page 7: Drain Piping

    Condensate drain lines must be installed with adequate slope away from the unit to assure positive drainage. YRHBC and YCHBC fan coil units require a minimum trap of 1-1/2 inches be provided in the drain line to assure proper drainage. YHBC, YPHBC, YHH, YPHH,...
  • Page 8 ���� �������� �� �������� �������� ������ ��� ���� ����� ����� ������� � ����� ����� � � ����� � ����� ���� ����� ����� � ���� ���� ����� ��� ����� ��� ������ ����������� �� �������� ���� �� ��� ����� LD047768B YORK INTERNATIONAL �������...
  • Page 9 2) YPHBC units are provided with filters in the plenum. 3) Standard plenums are end return and can be field converted to bottom return by trading the blockoff and face panel of the plenum. 4) Filter has seperate filter access panel for easier service. YORK INTERNATIONAL INSTALLATION ������ ����...
  • Page 10 CEILING EXPOSED CABINET – MODEL YCHBC ������ �� ��� ���������� �� ������� �� ���� ���������� ��������� �� � ����� �� ��� ����������� ��� ���� ��� �� ����� ����� ��� ��������� ���� ������� �� ��� �������� ������ ������ ��� ��� ���...
  • Page 11 PANEL UNIT WIDTH WIDTH 3YRHBC 38-3/8 4YRHBC 44-3/8 5YRHBC 48-3/8 6YRHBC 48-3/8 8YRHBC 54-3/8 10YRHBC 60-3/8 13YRHBC 67-3/8 YORK INTERNATIONAL INSTALLATION ����� ������ ������ ������ ����� ���� ���� ����������� ���� ��� ����� ��� ���� ��� �� ��� �� ����� ���...
  • Page 12 � ��� ���� ��� ���� � ����� ���� � ��������� ����� ���� ���� ����� ����� �������� ����� ����� ���� ����� � ���� ���� ����� ��� ����� ��� ������ ����������� �� �������� ���� �� ��� ����� LD010233 YORK INTERNATIONAL ������� ������...
  • Page 13 4YPHHS 6YPHHS 6YPHH 8YPHH 10YPHH 12YPHH 1) Return Plenums are insulated. YPHH FEATURES: 2) All plenums include throw away filter. YORK INTERNATIONAL INSTALLATION � � ������ � � � ����� ���� ����� ����� � ���� ���� ����� ��� ����� ��� ������ �����������...
  • Page 14 5. 120/1/60Hz. motors (2) 6. 3-row and 6-row models available 7. Rubber isolation grommets 8. Insulated and coated drain pan � ������ ������� ��� ��� ���� ����� ������ ������ ����� � ����� � � YORK INTERNATIONAL LD04781...
  • Page 15: Startup

    Check tightness of all motor base and mounting bolts.  Check motor connections to ensure that they are secure and made in accordance with the wiring diagram  Rotate all moving components manually. Adjust as required.  YORK INTERNATIONAL FORM 115.20-NOM2 (105)
  • Page 16: Maintenance

    FILTERS Clean or Replace Air Filters Regu- larly The intervals at which filters require replacement depend on local conditions. P.O. Box 1592, York, Pennsylvania USA 17405-1592 Copyright © by York International Corporation 2004 Form 115.20-NOM2 (105) Supercedes 115.20-NOM2 (904) MAINTENANCE Because of dust and lint in the room, room-air filters load up much more rapidly than outdoor-air filters.

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