Amtrol Radiant Extrol RX-15 Instructions d'installation
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.
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 product to freezing temperatures or
temperatures in excess of 200° 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 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
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.
RADIANT EXTROL®
RADIANT HEATING SYSTEM EXPANSION TANKS
INSTALLATION & OPERATION INSTRUCTIONS
NOTE: Inspect for shipping damage. 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, shows signs of corrosion, or if indicator cap is discolored, call a licensed 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.
Models RX-15, RX-30, RX-60
For Use In Closed Radiant Heating Systems Only
RADIANT EXTROL®is designed for closed, low temperature systems
with a maximum operating temperature of 200° F. The product can be
used in glycol applications and features a plastic liner that is compatible
with barrier and non-barrier tubing.
Pre-Installation
1. Visually inspect for any damage. Ensure expansion tank is sized
properly for the application (Figure 1).
2. With tank empty of water, remove plastic cap from air stem (Figure 2).
3. Adjust air precharge to desired system fill pressure. Unit is shipped at
12 PSIG.
4. Replace cap and tighten snugly, ensuring the cap is flush against the
tank surface.
FAILURE TO PROPERLY SEAL VALVE CAP
WILL RESULT IN LOSS OF PRECHARGE
CAUSING PRODUCT TO FAIL.
Installation
1. Drain the boiler system or isolate the area where the Radiant Extrol will
be installed.
2. Install the Radiant Extrol on the supply side of the boiler, on the
suction-side of the heating circulator(s) (Figure 3).
Mount tank vertically only. Ensure the piping
can support the entire weight of the tank when
full of water.
3. Once the Radiant Extrol is installed, re-pressurize the system and
check for leaks. Repair as necessary.
4. Restart the boiler system and check for relief valve discharge. If the
relief valve drips, the tank may be improperly charged or undersized.
5. The Radiant Extrol is now operational and will absorb expanded water
during boiler operation.
Operation
1. The Radiant Extrol is installed on the supply-side of the boiler system.
Its sealed-in air precharge prevents water from entering the tank until
the system pressure begins to rise.
2. As the water temperature rises, water enters the Radiant Extrol.
3. As the system cools, the diaphragm is forced downward. Water is
expelled from the Radiant Extrol, back into the heating system.
NOTE:
Although the Radiant Extrol does not have to be installed at the base of
an air purger, this installation is recommended to reduce air in the system
and provide a compact installation. Some method of air elimination is
required to ensure an oxygen-free system.
Maintenance
A licensed professional 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 InSight™
Service Indicator Cap for discoloration (Figure 4) in addition to regular
product inspection. Contact the installer or a plumbing professional if
indicator cap is discolored; tank replacement required. Do not rely on cap
as sole indication of tank condition.
Warranty
RX Models: Seven (7) Year Limited Warranty
Visit www.amtrol.com for complete warranty details.
PLEASE READ THE FOLLOWING INSTRUCTIONS CAREFULLY
IMPORTANT GENERAL SAFETY INFORMATION -
ADDITIONAL SPECIFIC SAFETY ALERTS APPEAR IN THE FOLLOWING INSTRUCTIONS.
Figure 2.
Remove cap and
charge to system
fill pressure.
Replace InSight™
Service Indicator Cap
and tighten until flush
with tank.
Precharge Adjustment: In-Line Models Shown
Clear / White
Normal
Operation
Discolored
Replace
Tank
Figure 4.
InSight™Service Indicator Cap (Inline models only)
Figure 1.
Radiant Extrol Sizing
Feet of
Tubing
Nominal Pex Tubing Size
3/8" 1/2" 5/8" 3/4" 1"
1,000 RX-15 RX-15 RX-15 RX-15 RX-15
5,000 RX-15 RX-15 RX-15 RX-30 RX-30
7,500 RX-15 RX-15 RX-30 RX-30 RX-60
10,000 RX-15 RX-30 RX-30 RX-60 RX-60
14,000 RX-15 RX-30 RX-60 RX-60
18,000 RX-30 RX-60 RX-60 RX-60
22,000 RX-30 RX-60 RX-60
30,000 RX-30 RX-60
Sizing based on: Fill Pressure 12 psig; Relief Pressure 30 psig; Average Temperature 120° F; System
filled with water. For glycol applications, consult AMTROL Technical Support.
Contact Amtrol
Figure 3.
Heating Zone(s) Air Eliminator
Boiler
Return
System Fill
Relief
Valve
Radiant
EXTROL
InSight Cap
© 2019 Worthington Industries Inc. Part #: 9015-367 (01/19)
One or more features of this product are covered by U.S. patents, visit www.amtrol.com/patents for more information.
1400 Division Road, West Warwick, RI USA 02893
T: 800.426.8765 www.amtrol.com
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