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INSTALLATION, OPERATION, & MAINTENANCE

FAN COIL

AIR CONDITIONERS

Supersedes: Form 115.20-NOM3 (105) Form 115.20-NOM3 (1006)

***** 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.

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.

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.

MODEL YVS 

YVF -Vertical Cabinet Models YVS 

(Slant Top), YVF (Flat Top)

The 

YVS 

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.

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 

decorative wall panel for front 

supply and return air.

00563VIPa

00803VIPa

YVC

YVF/YVS

YWC

00771VIPa

L23953Y 1006

Summary of Contents for 10YWC

Page 1: ...d 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 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 dut...

Page 2: ...ough Publications Dept or downloaded http intranet york com web0003 library default asp LDO6704 INSTALLATION 3 10 RECEIVING 3 STORAGE 3 PREPARE WALL FOR MOUNTING 3 WIRING 4 PIPING 5 STARTUP CHECKLIST 11 MAINTENANCE 12 12 YVC 126 31 R YPP N1 CFM 100 S 3 4 6 8 10 12 CONTROL OPTIONS VALVE PACKAGE COIL CONNECTIONS R Right Hand L Left Hand COIL TYPE 3 3 Row 4 4 Row 31 3 Row Cool 1 Row Heat 41 4 Row Coo...

Page 3: ... front panel must be removed on the YVS or YVF unit to gain access to the coil drain connections and electrical junction box To accomplish this 1 Pull firmly on the lower cabinet door each side until the cabinet releases from its friction fastener 2 Proceed to lift the door assembly straight up and off the cabinet frame YVC UNIT STYLE VERTICAL CONCEALED See Fig 8 for unit details and dimensions Mou...

Page 4: ...B2 2 TB3 2 TB2 3 TB2 4 TB1 4 TB2 1 TB3 3 MOTOR OFF COOL ME D HI LO L L1 N L2 L1 ON VALVE R IS E AQUAS TAT POWE R S UPPLY GR D HE AT TB2 5 1 2 3 4 1 2 3 4 THE R MIS TOR UNIT MTD OPTIONAL FIG 2 MANUAL CHANGEOVER CONTINUOUS FAN T420 THERMOSTAT NO AQUASTAT LOCKOUT 2 PIPE HEAT COOL FIG 3 AUTO CHANGEOVER CONTINUOUS FAN T421 THERMOSTAT LDO6889 LDO6890 3 Mount the unit in its permanent location making sur...

Page 5: ...es PIPE SIZES Tubing connections are 5 8 OD on all models Manual air vents are provided standard on all coils All chilled water piping must be insulated to prevent condensation PRECAUTIONS 1 Flush all field piping prior to connection to remove all debris 2 Use wet cotton rags to cool valve bodies when soldering 3 Open all valves mid way for hand valves manually open on motorized valves prior to sol...

Page 6: ...d be installed with consideration of additional space for any electrical routing that may be required 11 Hydronic systems are not designed to hold pres surized air and should only be tested with water After the system has been proven leak free all lines and valve control packages must be insulated as specified on the building plans DRAIN PIPING Drain line installation must adhere to all code requir...

Page 7: ...ITS WITH NONSTANDARD VALVE PACKAGES 9 5 16 SECONDARY PLASTIC DRAIN PAN 0 84 O D FOR 3 4 PVC PIPE C L UNIT SIZES 10 12 Have two openings 2 apart centered on center line 16 2 1 2 1 2 YVS YVF BACK TOP FRONT END END 1 2 PERMANENT FILTER REMOVABLE THRU RETURN AIR OPENING PLASTIC DISCHARGE GRILLE LEFT HAND UNIT SHOWN RH LH 7 1 4 5 1 8 9 1 4 2 3 8 25 3 3 4 4 1 2 7 7 8 9 1 4 3 3 4 27 5 8 4 1 2 7 7 8 GENER...

Page 8: ...RONT ACCESS PANEL CONTROL BOX RETURN AIR OPENING MTG HOLES 1 2 PERMANENT FILTER REMOVABLE THRU RETURN AIR OPENING 1 SUPPLY DUCT COLLAR TOP FRONT END A E D C B 1 7 8 1 7 8 7 8 7 8 8 7 1 4 5 1 8 19 3 8 6 5 8 5 5 9 1 4 2 24 1 2 3 5 RIGHT HAND UNIT SHOWN Hand of unit determined by cooling coil connection when facing the front of unit LDO10367 GENERAL DIMENSIONS IN INCHES MODEL A B C D E 3 YVC 27 1 2 1...

Page 9: ...10 YWC 59 1 2 57 1 2 58 1 2 55 3 4 12 YWC 67 1 2 65 1 2 66 1 2 63 3 4 22 3 8 DIMENSIONS VARY FOR UNITS WITH NON STANDARD VALVE PACKAGES ALL DIMENSIONS ARE IN INCHES SUPPLY RETURN WATER CONNECTIONS 1 2 DIA MTG HOLES 2 EACH SIDE SECONDARY PLASTIC DRAIN PAN 0 84 O D FOR 3 4 PVC PIPE CONTROL BOX RETURN AIR OPENING MTG HOLES 1 2 PERMANENT FILTER REMOVABLE THRU RETURN AIR OPENING TOP FRONT RIGHT HAND UN...

Page 10: ...ES 2 EACH SIDE WIDTH HEIGHT RETURN AIR OPENING RIGHT HAND UNIT SHOWN RIGHT HAND UNIT SHOWN A MODEL DRYWALL CUTOUT DIMENSIONS MODEL HEIGHT WIDTH MINIMUM HEIGHT ABOVE FLOOR A 3YWC 28 42 6 4YWC 28 50 6 6YWC 28 58 6 8YWC 28 68 6 10YWC 28 74 6 12YWC 28 82 6 FIG 10 YWC FAN COIL INSTALLATION LOCATION DIMENSIONS ...

Page 11: ...d Unit checked for damage interior and exterior Make sure all ductwork is complete and available for full air flow Unit installed level to ensure proper drainage and operation Unit installed with proper clearances Ensure condensate water will drain toward the drain connection An overflow drain may be required as a back up to a clogged primary drain Check that coil s valves and piping have been leak ...

Page 12: ...six to eight weeks The filter is a permanent type and may be removed and washed with a garden hose Filter should be completely dry before reinstalling To remove the filter rotate the retaining rod holding the front edge of the filter so it can drop below the front panel of the cabinet then pull outward to remove To reinstall the filter slide the filter into the filter channels on both sides of the unit ...

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