background image

LD11555

INSTALLATION, OPERATION, & MAINTENANCE

FAN COIL

AIR CONDITIONERS

NEW RELEASE

Form 115.20-NOM6 (1106)

***** 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.  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

LD11556

Basic YCW Series Unit

YCWE with Bottom Return 

Option (shown)

Basic YCW Series with Optional

Wall Panel (shown)

Summary of Contents for YCW SERIES LD11554

Page 1: ...ance 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...

Page 2: ...ILLED 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...

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...

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...

Page 5: ...tandard 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 n...

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...

Page 7: ...eringtobronzeorbrass heatthepiping while in the socket cup and begin introducing the solder when the ux boils rapidly Avoid direct ame into the solder joint Heat can only be applied to the cup of the...

Page 8: ...re 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 w...

Page 9: ...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 satis ed Whe...

Page 10: ...the air and heating capacities of the unit When the lters 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 alw...

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

Page 12: ...sture 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 lters are clean installed properl...

Reviews: