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FORM 155.31-ICOM2.EN.UL
ISSUE DATE: 12/21/2018
SECTION 1 – GENERAL CHILLER INFORMATION AND SAFETY
INTRODUCTION
YORK YHAU-CW Absorption chillers are manufac-
tured to the highest design and construction standards
to ensure high performance, reliability, and adaptabil-
ity to all types of air conditioning installations.
This chiller is for air conditioning or cooling a manu-
facturing process. Use this chiller after installing the
chilled water pump, cooling water pump, cooling tow-
er, valves, strainers, pressure gauges, thermometers,
or other necessary parts according to the water qual-
ity information contained in SECTION 7 – MAINTE-
NANCE.
ABOUT THIS MANUAL
This manual and any other document supplied with
the unit are the property of Johnson Controls which re-
serves all rights. This manual may not be reproduced,
in whole or in part, without prior written authorization
from an authorized Johnson Controls representative.
In addition, this manual:
• Should be read thoroughly before attempting to
operate or service the unit.
• Includes suggested best working practices and
procedures, which are issued for guidance only,
and they do not take precedence over the stated
individual responsibility and/or local safety regu-
lations.
• Contains all the information required for correct
installation and commissioning of the unit, togeth-
er with operating and maintenance instructions.
• Contains detailed procedures, including installa-
tion, commissioning, and maintenance tasks that
must only be performed by suitably trained and
qualified personnel.
The manufacturer will not be liable for any injury of
damage caused by incorrect installation, commission-
ing, operation, or maintenance resulting from a failure
to follow the procedures and instructions detailed in
this manual.
JOHNSON CONTROLS
WARRANTY
Johnson Controls warrants YHAU-CW chillers in ac-
cordance with the Limited Warranty Engineered Sys-
tems Equipment Policy (Form 50.05-NM2).
Johnson Controls warrants all equipment and materi-
als against defects in workmanship and materials for
a period of 18 months from the date of shipment or
12 months from the date of start-up, whichever comes
first, unless labor or extended warranty has been pur-
chased as part of the contract.
The warranty is limited to parts only replacement and
shipping of any faulty part, or subassembly, which has
failed due to defects in workmanship and materials.
All claims must be supported by evidence that the fail-
ure has occurred within the warranty period, and that
the unit was operated within the designed parameters
specified.
All warranty claims must specify the unit model, serial
number, order number, and run hours or starts. Model
and serial number information is printed on the unit
identification plate.
The unit warranty will be void if any modification to
the unit is carried out without prior written approval
from Johnson Controls. For warranty purposes, the fol-
lowing conditions must be satisfied:
• The initial start of the unit must be carried out
by trained personnel from an authorized Johnson
Controls Field Service Office.
• Only genuine Johnson Controls approved spare
parts, oils, solutions, chemicals, and refrigerants
must be used.
• All of the scheduled maintenance operations de-
tailed in this manual must be performed at the
specified times by suitably trained and qualified
personnel.
Failure to satisfy any of these conditions will auto-
matically void the warranty. Refer to Limited Warranty
(Form 50.05-NM2) for complete details.
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