EXTROL AX SERIES
1400 Division Road, West Warwick, RI 02893
Pressurized Expansion Tanks (ASME)
For Horizontal and Vertical Models
READ CAREFULLY THE PRODUCT INSTALLATION, OPERATING AND MAINTENANCE MANUAL. 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.
EXPLOSION OR RUPTURE HAZARD A relief valve must be installed to prevent pressure in 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 240 F. Do not adjust the pre-charge or re-pressure this Product except for any adjustments required at the time of initial installation, especially if Product corroded, damaged or with diminished integrity. Adjustments to pre-charge must be done at ambient temperature only.
Failure to properly size the Product or follow these instructions may result in excessive strain on the system lead to Product failure, serious or fatal personal injury, leakage and/or property damage.
THIS IS A 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 POSSIBLE INJURY AS WELL AS PROPERTY DAMAGE.
Part #: 9017-093 (04/11)
PLEASE READ THE FOLLOWING INSTRUCTIONS CAREFULLY explosion hazard. failure to follow instructions in the accomPanying product manual can cause rupture or explosion, possibly causing serious or fatal injury, leaking or flooding and/or property damage.
Potable Water and Radiant Heating Warning.
This Product must not be used in radiant
heating, potable water or open systems of any kind. These systems contain oxygenated water which will cause internal corrosion and premature Product failure. Use a Therm-X-Trol for potable water systems and a Radiant Extrol for radiant heating systems. Mount vertically only. Do not install on dead-end pipe.
IMPORTANT GENERAL SAFETY INFORMATION - ADDITIONAL
SPECIFIC SAFETY ALERTS APPEAR IN THE FOLLOWING
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 when installing.
PRODUCT TO FAIL.
FAILURE TO PROPERLY SEAL WILL RESULT
IN LOSS OF PRECHARGE CAUSING
CALIFORNIA PROPOSITION 65 WARNING:
This product contains a chemical known by the State of California to cause cancer and to cause birth defects or other reproductive harm. (California Installer/Contractor - California law requires that this notice be given to consumer/end user of this
Location of EXTROL Expansion Tanks
Do not locate this product where leaking or flooding could cause damage to the surrounding property.
The AMTROL expansion tank may be placed in any convenient position within the mechanical room (or building). If multiple tanks are installed, they should all be on the same level.
Point of Connection
Unlike a conventional tank, the EXTROL sealed air cushion does not require replenishment so DO NOT connect to an air separator or other air collection
As with any expansion tank, it is recommended that the EXTROL be connected to the suction side of the pump. This will prevent the pump head from becoming subtractive which may result in entry of air and vapor formation at high points in the system.
By connecting the EXTROL on the boiler return, displacement of coolest system water into tank is ensured reducing energy waste.
Low pressure drop components such as air separators and boilers may be placed between point of connection and pump suction if desired. System design will dictate the feasibility of this.
Natural convection losses and the entry of air into tanks are eliminated by connection to the side or underside of main pipe. The piping should be pitched up and away from the EXTROL to eliminate any potential air traps.
THIS PRODUCT MUST BE INSTALLED BY A
Note location of system connection, air charge valve and drain connection on
Remove the plug or pipe cap from the system connection.
Remove the 1 1/2 NPT pl