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FORM 155.35-ICOM2.EN.CE/GB (1018)
DATE: 10/30/2018
SECTION 1 – GENERAL CHILLER-HEATER AND SAFETY INFORMATION
INTRODUCTION
YORK YHAU-CE Absorption chiller-heaters are
manufactured to the highest design and construction
standards to ensure high performance, reliability, and
adaptability to all types of air conditioning installa-
tions.
This chiller-heater is for air conditioning or cooling
a manufacturing process. Use this chiller-heater after
installing the chilled / hot water pump, cooling water
pump, cooling tower, valves, strainers, pressure gaug-
es, thermometers, and so on, according to the water
quality information contained in SECTION 7 – MAIN-
TENANCE.
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 in-
dividual responsibility or local safety regulations.
• 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 be performed by suitably trained and quali-
fied personnel.
The manufacturer will not be liable for
any injury or damage caused by incorrect
installation, commissioning, operation,
or maintenance resulting from a failure
to follow the procedures and instructions
detailed in this manual.
JOHNSON CONTROLS
WARRANTY
Johnson Controls warrants YHAU-CE chiller-heaters
in accordance with the Limited Warranty Engineered
Systems Equipment procedure. Refer to the Limited
Warranty (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 a 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, run hours and starts. Model and
serial number information is printed on the unit identi-
fication 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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