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BELT DRIVE AIR HANDLERS
New Release
INSTALLATION OPERATION & MAINTENANCE
115.22-NOM5 (704)
MODELS:
YSHW, YSHX
AIRFLOW
AIRFLOW
(RIGHT HAND UNIT SHOWN)
ATTENTION: READ THIS MANUAL AND ALL LABELS ATTACHED TO THE UNIT CAREFULLY
BEFORE ATTEMPTING TO INSTALL, OPERATE OR SERVICE THESE UNITS! CHECK UNIT
DATA PLATE FOR ELECTRICAL SPECIFICATIONS AND MAKE CERTAIN THAT THEY AGREE
WITH THOSE AT POINT OF INSTALLATION. RECORD THE UNIT MODEL AND SERIAL NO.
IN THE SPACE PROVIDED. RETAIN FOR FUTURE REFERENCE.
Model No._____________________
Serial No.___________________
INSTALLER'S RESPONSIBILITY
Installer Please Note: This equipment has been tested and inspected. It has been shipped free from defects from
our factory. However, during shipment and installation, problems such as loose wires, leaks or loose fasteners
may occur. It is the installer's responsibility to inspect and correct any problems that may be found.
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Summary of Contents for York YSHW
- Page 1 BELT DRIVE AIR HANDLERS New Release INSTALLATION OPERATION & MAINTENANCE 115.22-NOM5 (704) MODELS: YSHW, YSHX AIRFLOW AIRFLOW (RIGHT HAND UNIT SHOWN) ATTENTION: READ THIS MANUAL AND ALL LABELS ATTACHED TO THE UNIT CAREFULLY BEFORE ATTEMPTING TO INSTALL, OPERATE OR SERVICE THESE UNITS! CHECK UNIT DATA PLATE FOR ELECTRICAL SPECIFICATIONS AND MAKE CERTAIN THAT THEY AGREE WITH THOSE AT POINT OF INSTALLATION.
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Page 2: Table Of Contents
Suffi cient clearance must be provided on the side of UNIT ELEVATION the blower coil to allow access to electrical controls Mounting holes are provided by York for the conve- and to service the motor blower assembly. nience of the installer (see Figure 2). Threaded Rod Standard unit confi... -
Page 3: Wiring
fi eld wiring (see Figure 3 for On 7-1/2 to 20 ton horizontal units, the YSHW blower typical factory and fi eld wiring). coil units are intended to be mounted thru the top of A 4 x 4 electrical box is provided on the cabinet for the unit. -
Page 4: Ductwork
PIPING • Use wet cotton rags to cool valve bodies, if present, YSHW units employ a hydronic coil designed for use when soldering. with either hot or chilled water. Each coil has a 1/4 • Open all valves (mid-way for hand valves, manually inch bleed line. -
Page 5: Dimensions
20 X 20 (2) 1/2 ODS. 7/8 ODS. Note: The 3.50” dimension locates the 7/8” knock outs for mounting rods. AIR FLOW 3.50 3.50 2.00 1.00 AIR FLOW FIG 4 - DIMENSIONS FOR 2 - 5 TON UNITS YORK INTERNATIONAL... - Page 6 37-1/2 X 20 (3) 5/8 ODS. 1-1/8 ODS. 240YSHX4 62-1/2 16-3/8 44-3/4 50-1/4 50 X 20 (3) 5/8 ODS. 1-1/8 ODS. AIRFLOW 3.50 3.50 3.50 2.00 3.50 1.00 AIR FLOW FIG 5 - DIMENSIONS FOR 7-1/2 - 20 TON UNITS YORK INTERNATIONAL...
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Page 7: Maintenance
DRAIN PAN The drain pan should be clean to allow proper conden- sate fl ow. Remove any accumulation of residue from the drain pan and inspect for rust and leaks. FIG 6 - PULLEY ALIGNMENT AND BELT ADJUSTMENT YORK INTERNATIONAL... -
Page 8: Startup Checklist
Adjust belt tension per sticker on fan blower assembly. NOTE: Use “O” ring type defl ection belt tension checker. Tele. 800-861-1001 P.O. Box 1592, York, Pennsylvania USA 17405-1592 Subject to change without notice. Printed in USA Copyright © by York International Corporation 2001 www.York.com...