Amtrol CWBT120-3, CWBT1040-12 User Manual

CHILLED WATER BUFFER TANKS

CLOSED LOOP CHILLER SYSTEMS CWBT SERIES ASME

INSTALLATION & OPERATION INSTRUCTIONS

Models CWBT120-3 through CWBT1040-12

NOTE: Inspect for shipping damage and notify freight carrier or store where purchased immediately if damage is present. To avoid risk of personal

injury and property damage, if the product appears to be malfunctioning or shows signs of corrosion, call a qualified professional immediately. Current
copies of the Product manual can be viewed at www.amtrol.com. Use proper safety equipment when installing.

THIS IS THE SAFETY ALERT SYMBOL. IT IS USED TO ALERT YOU TO POTENTIAL PERSONAL INJURY AND OTHER
HAZARDS. OBEY ALL SAFETY MESSAGES THAT FOLLOW THIS SYMBOL TO REDUCE THE RISK OF PERSONAL
INJURY AS WELL AS PROPERTY DAMAGE.

READ CAREFULLY THE PRODUCT

INSTALLATION & OPERATION INSTRUCTIONS.
FAILURE TO FOLLOW THE INSTRUCTIONS AND WARNINGS IN THE
MANUAL MAY RESULT IN SERIOUS OR FATAL INJURY AND/OR
PROPERTY DAMAGE, AND WILL VOID THE PRODUCT WARRANTY.
THIS PRODUCT MUST BE INSTALLED BY A QUALIFIED
PROFESSIONAL. FOLLOW ALL APPLICABLE LOCAL AND STATE
CODES AND REGULATIONS, IN THE ABSENCE OF SUCH CODES,
FOLLOW THE CURRENT EDITIONS OF THE NATIONAL PLUMBING
CODE AND NATIONAL ELECTRIC CODE, AS APPLICABLE

This Product, like most Products under pressure,

may over time corrode, weaken and burst or
explode, causing serious or fatal injury, leaking or flooding and/or property
damage. To minimize risk, a licensed professional must install and
periodically inspect and service the Product. A drip pan connected to an
adequate drain must be installed if leaking or flooding could cause property
damage. Do not locate in an area where leaking could cause property
damage to the area adjacent to the tank or to lower floors of the structure.

excess of local code requirement or maximum working pressure
designated in the Product Manual, whichever is less. Do not expose
product to freezing temperatures or temperatures in excess of 450°F.
Replace the Product if corroded, damaged or with diminished integrity.
Failure to properly size the product or follow these instructions may result
in excessive strain on the system and may lead to product failure, serious
or fatal personal injury, leakage, and/or property damage.

FOR USE IN CLOSED HYDRONIC SYSTEMS ONLY. Do not install on
domestic water systems, or in open heating systems. Corrosion and tank
failure may result.

EXPLOSION OR RUPTURE HAZARD. A relief
valve must be installed to prevent pressure in

PLEASE READ THE FOLLOWING INSTRUCTIONS CAREFULLY

IMPORTANT GENERAL SAFETY INFORMATION -

ADDITIONAL SPECIFIC SAFETY ALERTS APPEAR IN THE FOLLOWING INSTRUCTIONS.

Chlorine & Aggressive Water. The water quality

You should test for corrosive elements, acidity, total solids and other
relevant contaminants, including chlorine and treat your water appropriately
to insure satisfactory performance and prevent premature failure.

buffer tank. Periodically inspect for damage and if noted the product
must be serviced or replaced. Failure to follow these instructions
could result in serious personal injury or death and
property damage.

can significantly influence the life of this product.

Welding to the pressure vessel boundary will
void the ASME rating.

Leaking, corrosion or indications of damage are
signs of an impending serious failure of the

Figure 1

BUFFER

TANK

PUMP

Water temperature above 100°F can be very

cool down below 100°F before blowing down this product. Failure to
follow these instructions could result in serious personal injury or
death and property damage.

excess of local code requirement or maximum working pressure
designated in the Product Manual, whichever is less. At least once every
3 years or if discharge is present, a licensed contractor should inspect the
temperature and pressure relief valve and replace if corrosion is evident
or the valve does not function. FAILURE TO INSPECT THIS VALVE AS

DIRECTED COULD RESULT IN UNSAFE TEMPERATURE OR
PRESSURE BUILD-UP WHICH CAN RESULT IN PRODUCT FAILURE,
SERIOUS INJURY OR DEATH AND/OR SEVERE PROPERTY
DAMAGE AND VOID THE PRODUCT WARRANTY.

CHILLER

hazardous. Allow system water temperature to

EXPLOSION OR RUPTURE HAZARD. A relief

valve must be installed to prevent pressure in

AIR

HANDLER

OTHER VALVES AND ACCESSORIES REQUIRED FOR SYSTEM INSTALLATION ARE NOT SHOWN.

Pre-Installation

1. Visually inspect the CWBT for any damage. If damage exists
return product for replacement.

Installation

This product must be installed by a
qualified professional.

1. Refer to Figure 1 for typical installation of the AMTROL
CWBT Series.

Maintenance

1. Aqualiedprofessionalshouldcheckthecompletesystem,

including the CWBT, yearly and more frequently as the
system ages.

Operation

1. The CWBT models are designed to add capacity to non­potable, closed, chilled water systems to help reduce
compressor unit cycling, improve temperature control and
provide more consistent system operation.

2. Water temperature is not to exceed 450°F.

3. System pressure is not to exceed the maximum working
pressure of the tank.

Warranty

CWBT120-3 through CWBT1040-12 Models:

One (1) Year Limited Warranty

Visit www.amtrol.com for complete warranty details.

1400 Division Road, West Warwick, RI USA 02893

T: 800.426.8765 F: 800.293.1519

© 2015 AMTROL Inc. Part #: 9017-156 (01/15)

www.amtrol.com

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