AMTROL EX-15 15 Extrol Expansion Tank Instruction Manual

: June 1, 2024
: AMTROL

Table of Contents

AMTROL EX-15 15 Extrol Expansion Tank
Specifications
Product Usage Instructions
FAQ
Installation
Maintenance
Warranty
CONTACT
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

AMTROL EX-15 15 Extrol Expansion Tank

Specifications

Product: Expansion Tanks for Hydronic Heating & Chilled Water Systems
Models: EX-15 through EX-90, SX-30V through SX-160V
Manufacturer: Amtrol

Product Usage Instructions

Pre-Installation

Visually inspect for any damage. Ensure the expansion tank is sized properly for the application.
With the tank empty of water, remove the plastic cap from the air stem.
Check precharge pressure and adjust if necessary, charging with air to match the boiler fill valve setting.
Replace the cap and tighten it snugly, ensuring the cap is flush against the tank surface.

Installation

Refer to Figure 1 for boiler net output in 1000s of BTU/Hr and choose the appropriate model based on your system configuration
Follow the type of radiation guide to select the correct model for your specific heating system.
Securely install the expansion tank in a suitable location within the system, following all local and state codes and regulations.
Ensure all connections are leak-free and properly sealed.

FAQ

Q: What should I do if I suspect my expansion tank is malfunctioning?
A: If you suspect any malfunction or notice signs of corrosion, call a qualified professional immediately to assess the situation and prevent any risks of personal injury or property damage.
Q: How can I ensure the longevity of my expansion tank?
A : Regularly test your water quality for corrosive elements, acidity, total solids, and chlorine. Treat your water appropriately to prevent premature failure and ensure satisfactory performance of the expansion tank.

NOTE: Inspect for shipping damage. Notify the freight carrier or store where they 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

WARNING

USE ONLY IN RESIDENTIAL CLOSED HYDRONIC SYSTEMS. Do not install on domestic water systems, or in open heating systems. Corrosion and tank failure may result. Use a Therm-X-Trol® or Therm-X-Span® for domestic water systems. Use a Radiant EXTROL® for radiant heating systems where air elimination equipment or barrier tubing is not used
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 LICENSED 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 appliance or to lower floors of the structure
RUPTURE OR EXPLOSION HAZARD. Do not expose the product to freezing temperatures or temperatures in excess of 240°F. Do not adjust the pre-charge or re-charge this Product except during installation or regular inspection. Replace the Product and do not adjust the pre-charge if 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 and may lead to Product failure, serious or fatal personal injury, leakage, and/or property damage
A relief valve must be installed to prevent pressure in excess of local code requirements or the maximum working pressure designated in the Product Manual, whichever is less. At least once every 3 years or if discharge is present, a licensed professional should inspect the 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 PRESSURE BUILD-UP WHICH CAN RESULT IN PRODUCT FAILURE, SERIOUS INJURY OR DEATH AND/OR SEVERE PROPERTY DAMAGE AND VOID THE PRODUCT WARRANTY.
Chlorine & Aggressive Water: The water quality can significantly influence the life of this Product. 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.
This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Pre-Installation

Visually inspect for any damage. Ensure the expansion tank is sized properly for the application (Figure 1).
With the tank empty of water, remove plastic cap from the air stem (Figure 2).
Check precharge pressure and adjust if necessary, charging with air to match the boiler fill valve setting.
Replace the cap and tighten it snugly, ensuring the cap is flush against the tank surface.

WARNING

FAILURE TO PROPERLY SEAL THE CAP WILL RESULT IN LOSS OF PRECHARGE CAUSING THE PRODUCT TO FAIL.
Mount the tank vertically in downward position only. Ensure the piping can support the entire weight of
the tank when full of water
Models SX-30V through SX-160V are floor-standing and may not be hung from the piping.
Do not install the EXTROL on a dead-end pipe or wherever air can collect. This can cause corrosion and possible leakage.

Installation

Drain the boiler system or isolate the area where the EXTROL will be installed.
Install the EXTROL on the supply side of the boiler, on the suction side of the heating circulator(s) (Figure 3).
Pressurize the system and check for leaks. Repair as necessary.
Restart the boiler system and check for relief valve discharge. If the relief valve drips, the tank may be improperly charged or undersized

Maintenance

A professional plumber should check the complete system, including the expansion tank, yearly and more frequently as the system ages. Checking the precharge allows a small quantity of air to escape and can result in an insufficient air charge. Always check the precharge while the tank is isolated and empty of water, and be sure to maintain the proper precharge whenever the tank is inspected. Monitor the tip of the inspection cap for discolouration (Figure 4) in addition to regular product inspection. Contact the installer or a plumbing professional if the inspection cap is discoloured; tank replacement is required. Do not rely on cap as sole indication of tank condition

AMTROL-EX-15-15-Extrol-Expansion-Tank-fig-4