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York FAN COIL YVC Installation & Operation Manual

York FAN COIL YVC Installation & Operation Manual

Fan coil air conditioners

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INSTALLATION, OPERATION, & MAINTENANCE
YVC
YVF/YVS
YWC
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.
***** 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.
L23953Y 1006
Supersedes: Form 115.20-NOM3 (105) Form 115.20-NOM3 (1006)
MODEL YVC -Vertical Concealed Model
The YVC model fan coil is designed to be furred into the
wall where the supply and return or both are connected
to short runs of ductwork. These units are often used
for perimeter heating and cooling of offices, corridors,
hospitals, apartments, hotels, and other multi-room
buildings.
00563VIPa
MODEL YVS I YVF -Vertical Cabinet Models YVS
(Slant Top), YVF (Flat Top)
The YVS I YVF model fan coils have the addition of an
attractive, painted cabinet to blend with any decor. These
units will have heavy-duty stamped face louvered grilles
(Style A), plastic discharge grilles (Style A), or metal
grilles (Style B). These units are typically installed in
plain sight, under windows or against walls in schools,
hospitals, office buildings, and other institutions.
00803VIPa
MODEL YWC -Vertical Recessed Wall Model
The YWC model fan coil is designed to be recessed
into the wall. These units are engineered to be quiet and
designed to be easy to install and service. These units
are ideal for perimeter heating and cooling in hotels,
apartments, hospitals, public office buildings, offices,
corridors, and other multi-room buildings. This unit
comes standard with a decorative wall panel for front
supply and return air.
00771VIPa
FAN COIL
AIR CONDITIONERS

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Summary of Contents for York FAN COIL YVC

  • 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

    • Parts List These documents can be ordered through Publications Dept. or downloaded @ http://intranet.york.com/web0003/library/default.asp FIG. 1 – VERTICAL UNITS ONLY - YVC, YWC, YVF, YVS AIR FLOW FIG. 1 – VERTICAL UNITS ONLY - YVC, YWC, YVF, YVS AIR FLOW...
  • Page 3: Installation

    YVS or YVF unit to gain access to the coil, drain connections and electrical junction box. To accomplish this: YORK INTERNATIONAL INSTALLATION 1. Pull firmly on the lower cabinet door (each side) until the cabinet releases from its friction fastener.
  • Page 4: Wiring

    T B 2-3 T B 2-4 T B 1-4 T B 2-1 T B 3-2 T B 2-2 L (L1) N (L2) G R D LDO6890 R IS E MOT OR AQUAS T AT (OP T IONAL) YORK INTERNATIONAL P OWE R S UP P LY...
  • Page 5: Piping

    • All chilled water piping must be insulated to prevent condensation. Prior to connecting to the fan coil, all external piping must be purged of debris. YORK INTERNATIONAL INSTALLATION 4-PIPE HEAT / COOL ME D T B 1-1 T B 1-2...
  • Page 6 Remove or cover the secondary drain pan before soldering the supply and return coil connections as hot solder or the torch flame may damage the pan. FIG. 6 - DRAIN PAN FORM 115.20-NOM3 (1006) elbow. Route the 00182VIP YORK INTERNATIONAL...
  • Page 7 FOR 3/4" PVC PIPE UNIT SIZES 10 & 12 Have two openings 2" apart centered on center line FIG. 7 - FAN COIL UNITS - DIRECT DRIVE, MODEL YVS & YVF YORK INTERNATIONAL INSTALLATION CONTROL ACCESS DOOR RETURN AIR OPENING...
  • Page 8 FOR 3/4" PVC PIPE 1/2 DIA. MTG HOLES 2 EACH SIDE SUPPLY & RETURN WATER CONNECTIONS 7-1/4* 1-7/8 *DIMENSIONS VARY FOR UNITS WITH NON STANDARD VALVE PACKAGES ALL DIMENSIONS ARE IN INCHES LDO10367 22-3/4 31-3/4 39-3/4 47-3/4 55-3/4 63-3/4 YORK INTERNATIONAL...
  • Page 9 43-1/2 8 YWC 51-1/2 10 YWC 59-1/2 12 YWC 67-1/2 FIG. 9 - FAN COIL UNIT DIMENSIONS - DIRECT DRIVE, MODEL YWC YORK INTERNATIONAL INSTALLATION FRONT 6-5/8 5-1/8 RETURN AIR OPENING (MTG. HOLES) ALL DIMENSIONS ARE IN INCHES GENERAL DIMENSIONS IN INCHES...
  • Page 10 58" 68" 74" 82" FORM 115.20-NOM3 (1006) 1/2 DIA. MTG HOLES 2 EACH SIDE SUPPLY & RETURN WATER CONNECTIONS (RIGHT HAND UNIT SHOWN) (RIGHT HAND UNIT SHOWN) MINIMUM HEIGHT ABOVE FLOOR (A) 6" 6" 6" 6" 6" 6" YORK INTERNATIONAL...
  • Page 11: Startup Checklist

    ❑ 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 INSTALLATION FORM 115.20-NOM3 (1006)
  • Page 12: Maintenance

    FILTERS Clean or Replace Air Filters Regu- larly P.O. Box 1592, York, Pennsylvania USA 17405-1592 Copyright © by Johnson Controls 2006 Form 115.20-NOM3 (1006) Supersedes: Form 115.20-NOM3 (105) MAINTENANCE The intervals at which filters require replacement depend on local conditions.