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Tele. 800-861-1001

www.York.com

P.O. Box 1592, York, Pennsylvania USA  17405-1592 

Subject to change without notice. Printed in USA

Tele. 800-861-1001

Tele. 800-861-1001

Copyright © by Johnson Controls 2006 

ALL RIGHTS RESERVED

www.York.com

www.York.com

Form 115.20-NOM6 (1106) 
New Release 

FAN COILS START-UP CHECKLIST

FAN INSPECTION - 

The fan should be inspected and cleaned, in conjunction with main te nance of the motor and bear ings. It is 

im por tant to keep the wheel clean in order to avoid im bal ance and vi bra tion.

 

 

Check tightness of fan bearing locking collar.

 

 

With power off, check blow er wheel set screws for tight ness and ensure that the blower wheel(s) ro tate freely and quietly.

 

 

Check tightness of all motor base and mounting bolts.

 

 

Check motor connections to en sure that they are se cure and made in accordance with the wiring di a gram

 

 

Rotate all moving components manually.  Adjust as required.

NOTE: If the motor and fan have not been operated in the last (4) four weeks or more, lubricate all the bearings and rotate the motor and fan 

monthly to prevent moisture from accumulating in the bearings. (See Form 50.20-NM3, Long Term Storage)

 

 

Installer has cleaned out interior.

 

  Ensure 

drain pan free from foreign ma te ri al.

 

  Ensure

 air fi lters are clean, installed properly and secured. Use the di rec tion al ar rows or oth er information on the fi lter to 

de ter mine the prop er fl ow direction.

INSTALL CHECKLIST

 

 

Equipment received as ordered.

 

 

Unit checked for damage interior and exterior.

 

 

Make sure all ductwork is complete and available for full air fl ow.

 

 

Unit installed level to ensure proper drain age and operation.

 

 

Unit installed with proper clearances.

 

 

Ensure con den sate water will drain to ward the drain con nec tion. An overfl ow drain may be required as a back up to a clogged 

primary drain.

 

 

Check that coil(s), valves and pip ing have been leak checked and in su lat ed as required.

 

 

Main coil drain pan must be properly trapped and charged with water before units are started.

 

 

Ensure that all air has been vented from the system.

 

 

Return valves to their prop er op er at ing po si tions prior to start-up.

 

 

Repair any sol der joint leaks and gently tighten any leak ing valve packing nuts and piping ac ces so ries as required.

 

 

Install all panels.

CLEANING CHECKLIST

CONTROLS CHECKLIST

 

 

Check that supply voltage matches nameplate data.

 

 

Ensure that the unit is prop er ly ground ed.

 

 

Controls installation complete

 

 

Check all electrical connections for tightness.

 

 

Review electrical print for correct wiring.

Summary of Contents for YCW

Page 1: ...mance 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 For proper operation control valve must be normally closed 2 Aquastats provided where required 3 Electric Heat is available as an option MODELS YCW SERIES YCW Series 2 pipe 4 pipe or 2 pipe cooling with electric heat LD11554 LD1...

Page 2: ...HILLED WATER LINES 5 8 OD COPPER STUBOUTS HOT WATER RETURN HOT WATER SUPPLY FIG 1 UNIT NOMENCLATURE LD11557A LD11698A CABINET DIMENSIONS INCHES A B C D E F FILTER SIZE COIL CONN OD SWEAT HW CW YCW 22 1 8 15 1 8 40 14 10 1 2 3 5 8 18 X 18 5 8 YCW HW 22 1 8 15 1 8 43 18 12 1 2 3 5 8 18 X 18 5 8 5 8 YCWE 22 1 8 15 1 8 40 14 10 1 2 3 5 8 18 X 18 5 8 10 YCW 31 CFM 100 s 3 4 6 8 10 12 Unit Style YCW 2 p...

Page 3: ...provided with 2 coils with single end sheets cooling connections are on the top panel right side and the hot water connec tions are on the top panel middle front This unit is designed to be installed vertically in the upflow position and can be installed on a closet plat If damage is found a claim should be filed against the carrier immediately form platform not provided hung on a closet wall use wa...

Page 4: ... POWER SUPPLY WIRING WALL PANEL FRAME HOT WATER OUTLET HOT WATER INLET DRY WALL 2 X 4 WALL STUD CW UNITS CHILLED WATER CONNECTION Note Front edge of unit to be flush with dry wall CROSS MEMBER ON EDGE 2 X 4 WALL STUD WALL PANEL FRAME SCREW DETAIL OF WALL PANEL FRAME INSTALLATION DRY WALL LD11695A TABLE 1 DRYWALL OPENINGS MODEL NUMBER DRYWALL CUTOUT DIM HT x WD 3YWC 28 x 42 4YWC 28 x 50 6YWC 28 x 5...

Page 5: ...standard 120 volt power wired to a dis connect terminal block and a ground lug Fan motor hi med and low speed leads are wired to the control board There may be an unused motor lead from the motor its needs to be capped off The board is also wired to handle either 24v or 120v control wiring To use 24v remove jumpers on the control board For your 24v hot water control valve wire it in series with th...

Page 6: ... N A N A N A N A N A 2 2 1 5 9 4 8 3 12 11 15 15 3 3 2 3 13 6 11 9 17 15 20 15 4 4 3 0 17 8 15 5 23 20 25 20 5 5 3 8 21 9 19 1 28 24 30 25 6 6 4 5 26 1 22 7 33 29 35 30 8CWE 0 0 0 0 1 7 N A N A N A N A N A 3 3 2 3 14 2 12 5 18 16 20 20 4 4 3 0 18 4 16 1 23 21 25 25 5 5 3 8 22 5 19 7 29 25 30 25 6 6 4 5 26 7 23 5 34 30 35 30 8 8 6 0 35 0 30 5 44 39 50 40 10CWE 0 0 0 0 2 7 N A N A N A N A N A 3 3 2 ...

Page 7: ...eringtobronzeorbrass heatthepiping while in the socket cup and begin introducing the solder when the flux boils rapidly Avoid direct flame into the solder joint Heat can only be applied to the cup of the valve body for a minimal time before damage occurs even with the use of wet rags Avoid rapid quenching of solder joints as this will produce joints of inferior quality Connect all piping per accepte...

Page 8: ...ure exists at the drain pan and a minimum trap of 1 1 2 must be provided in the drain line to assure proper drainage Drain connections primary and secondary are 3 4 MPT see Fig 5 for details On units with plastic drain pans the drain connections must be made hand tight only INSTALLATION FIG 5 CWE SERIES WALL CLOSET FAN COILS Chilled Water with Electric Heat CONDENSATE DRAIN CONNECTIONS With drain ...

Page 9: ...C O thermostat and the TB3 3 TB2 5 jumper is in place the fan will con tinue to operate at the fan speed selected Removing the jumper will cause the fan to shut down when the thermostat is satisfied When using the T200 thermostat the stat will auto matically regulate the fan speed based on the differ ence between the space temp and setpoint 4 F off setpoint the fan will run HI 3 F off setpoint the ...

Page 10: ...e the air and heating capacities of the unit When the filters are excessively dirty the unit heating capacity will be so reduced that it is in effective for heating the room When a room fails to heat always check the filters To ensure proper maintenance of the filters it is best to follow an organized maintenance procedure The following one is recommended Divide the total number of units on the job i...

Page 11: ...11 JOHNSON CONTROLS FORM 115 20 NOM6 1106 This Page Intentionally Left Blank ...

Page 12: ...ture from accumulating in the bearings See Form 50 20 NM3 Long Term Storage Installer has cleaned out interior Ensure drain pan free from foreign material Ensure air filters are clean installed properly and secured Use the directional arrows or other information on the filter to determine the proper flow direction INSTALL CHECKLIST Equipment received as ordered Unit checked for damage interior and ex...

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