Amtrol SPT-28, SPT-14, SPT-18, SPT-21, SPT-35 Installation & Operation Instructions

INSTALLATION & OPERATION

INSTRUCTIONS

West Warwick, Rhode Island 02893

SURGE-TROL

SURGE-TROL

™

Surge Arrestor SPT-7 thru SPT-70

™

For Models:

SPT-7

SPT-11

SPT-14

SPT-18

SPT-35

SPT-42

SPT-50

SPT-56

SPT-21

SPT-70

SPT-28

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, 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.

* All SURGE-TROL™ Series models come with a 1 year warranty. See back page for warranty information.

PN: 9017-140 (05/10)

MARK OF THE ORIGINATOR

TYPICAL INSTALLATION

PUMP

CHECK VALVE TO SYSTEM

SURGE-TROL

IMPORTANT GENERAL SAFETY INFORMATION

ADDITIONAL SPECIFIC SAFETY ALERTS APPEAR IN THE FOLLOWING INSTRUCTIONS

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 exceed maximum
allowable working pressure 275 psig. Do not adjust the pre­charge or re-pressure this Product except for any adjustments
required at the time of initial installation, especially if Product is
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 leading to Product
failure, serious or fatal personal injury, leakage and/or property
damage.

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 leakage of the tank or connections
could cause property damage to the area adjacent to the
appliance or to lower floors of the structure.

Chlorine & Aggressive Water. The water

quality can significantly influence the life of
this product. You should test for corrosive elements, acidity, total

INSTALLATION AND OPERATION INSTRUCTIONS

solids and other relevant contaminants, including chlorine and
treat your water appropriately to insure satisfactory performance
and prevent premature failure.
Note: Inspect for shipping damage and notify freight carrier
or store where purchased immediately if damage present. If
the product appears to be malfunctioning or shows signs of
corrosion, call a qualified professional. Current copies of the
product manual can be viewed at www.amtrol.com. Use proper
safety equipment when installing.

GENERAL SAFETY INFORMATION ­ADDITIONAL SPECIFIC SAFETY ALERTS

APPEAR IN THE FOLLOWING INSTRUCTIONS.

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 product.) For more information: www.amtrol.com/
prop65/htm.

DO NOT USE OXYGEN - EXPLOSIVE!

Protect against freezing temperatures. Never
pre-charge below 50% of maximum system pressure.

Diagram 1

Pre-Installation

1. Visually inspect the Surge-Trol for any damage. If
damage exists return product for replacement.

2. Remove air cap.

3. For applications with pump start-up creating water
hammer adjust the factory pre-charge setting to 15%
below static pressure.

4. For applications with surge issues created by pump
shut down adjust the factory pre-charge setting to
50% below static pressure.

5. For applications with quick closing valves, please
consult manufacturer for tank location and pre-charge
settings. [phone].

6. Replace and tighten cap on air valve.

If adjusting the pre-charge pressure

higher than 55 PSIG the unit must be
tied to the system immediately. Failure to do so could
damage the bladder and void all warranties.

Installation

1. The Surge-Trol should be installed as close to the

offending xture as possible in applications where
there are issues with a quick closing valve.

2. The Surge-Trol should be installed as close to the

pump as possible in surge applications.

3. Once the Surge-Trol is installed and the pre-charge

adjusted properly, check for any leakage. Make repairs
if necessary

Maintenance

1. A qualied professional should check the complete

system, including the Surge-Trol, yearly and more
frequently as the system ages.

Operation

1. The Surge-Trol is designed to provide surge protection

as well as provide a cushion to prevent water hammer
depending on its application.

2. Water temperature is not to exceed 240°F. or fall

below 35°F.

3. The factory pre-charge setting is 25 PSIG and should

only be adjusted at the time of the installation.

4. System velocity shall not exceed 22 fps.