Heatizon FLZ1520AC, FLZ2030AC, FLZ3536AC, FLZ3650AC, FLZ5064AC User Manual
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HEATIZON SYSTEMS
RADIANT HEATING AND SNOW MELTING SYSTEMS
© 2013 Heatizon Systems
www.heatizon.com
TABLE OF CONTENTS
Comments & Suggestions Intro 1
Floorizwarm Heating System Components Intro 2
System Description Intro 3
Applications & Sizing Intro 4
Warnings Intro 5
Floorizwarm Warranty Intro 6
Installation Instructions 1-1
Verify Proper System Sizing 1-1
Locate Power Unit, Thermostat and Floor Sensor 1-2
Electrical Service Requirements 1-2
Install Floorizwarm Tuff Cable Heating Element 1-3
Install Temperature Floor Sensor 1-5
Install Floorizwarm Power Unit Back Plate 1-6
Make Floorizwarm Power Unit Connections 1-7
Install Floorizwarm Thermostat 1-8
Cover the Tuff Cable 1-8
Technical Information 2-1
Floorizwarm Wiring Diagram 2-1
Thermostat Instructions 2-2
Sample Layout and Diagrams 2-5
Trouble-Shooting Procedures 3-1
After Installation of Element Test 4-1
COMMENTS AND SUGGESTIONS
Dear Installer:
Heatizon Systems welcomes and appreciates any and all comments and suggestions that you
may have regarding our products, installation instructions and techniques, and applications. Please take a few minutes to share your comments and suggestions with us.
Thank you in advance for the time you will spend in helping us improve our products in the
future.
Warm Regards,
Heatizon Systems
4137 South 500 West
Murray, UT 84123
Phone: (801) 293-1232
Fax: (801) 293-3077
Email: info@heatizon.com
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Name: ________________________________________________________________________
Address: _____________________________________________________________________
City: _______________________________ State: ______________ Zip Code: ____________
Telephone: _______________________________ Fax: ________________________________
Email Address: ________________________________________________________________
Intro-1
Congratulations on your purchase of the Floorizwarm Heating
System, which utilizes state-of-the-art components and low-voltage electricity to provide
products that are easy to operate, virtually maintenance free, safe, and 99% efficient. The
Floorizwarm Tuff Cable heating element has a limited 25-year warranty and is engineered to
provide simple, problem-free, long term solutions to floor warming and space heating needs.
Heatizon Systems has been “Warming America’s Cold Spots” since 1979.
Line Voltage
from Dedicated
Breaker
12/2 Wire
Activation Device
M337 Programmable
Thermostat comes with
remote bulb sensor and
15 feet of cable
Temperature
Floor Sensor
The Power Unit
12/2 Wire
Cold Leads, 20’
Heated Area
Floorizwarm Tuff Cable Heating Element
Tuff Cable, a durable coated copper cable, is installed IN
something, like concrete, thinset, or other mortar applica-
tions. This system is perfect for bathroom floors or other
small areas of 15 to 110 square feet.
Intro-2
SYSTEM DESCRIPTION
System Information—The Floorizwarm System is a low voltage, resistance type heating system which is ideal for
floor warming and space heating in areas 110 square feet and smaller. Floorizwarm Systems are designed to deliver
approximately 10 to 15 watts per square foot, and to cover 15 to 110 square feet of floor area. A Floorizwarm System
consists of three primary components:
1. The Power Unit— The Floorizwarm Power
Unit includes a step-down transformer and other electronic components necessary to provide low-voltage
electricity to the heating element. It is engineered to
provide simple and problem free operation.
2. The Heating Element— The Floorizwarm
Heating Element is a durable coated copper cable
that is chemical and gasoline resistant. Floorizwarm
Heating Element (referred to herein as both
“Floorizwarm Heating Element” and “Tuff Cable”)
comes in various lengths and gauges, depending on
system size and area to be heated. The Floorizwarm
Heating Element is factory-connected to non heating
Cold Leads, which are 20 feet long, and are connected to the Power Unit by the installer.
3. Activation Device— The Floorizwarm System is activated by an M337 Programmable Ther-
mostat which includes a remote bulb sensor with 15' of cable. This thermostat requires 120 VAC
power to operate. The thermostat provides a digital readout, and can be used in auto mode or manual mode.
Design Information—Heatizon Floorizwarm system is a low-voltage electric radiant heating system. Installations
include:
concrete, light-weight concrete or mortar bed
Heatizon Heatsink Kit
Floorizwarm utilizes AC power supply for various sized heating applications. Floorizwarm Heating Element is designed
to be spaced at specific intervals and lengths to produce a specified amount of heat per square foot. Floorizwarm
Heating Element must always be installed in a heat sink, such as concrete, light-weight concrete or mortar bed, or a
Heatizon Heatsink Kit.
The heat density per square foot of the Floorizwarm System is dependent on the spacing between adjacent runs of
Floorizwarm Heating Element, the length of the heating element, and the size of the Power Unit.
Model # Power Unit
Dimensions
FLZ1520AC 8.25”H x 6.5”W x 4.75”D
FLZ2030AC 8.25”H x 6.5”W x 4.75”D
FLZ3536AC 8.25”H x 6.5”W x 4.75”D
FLZ3650AC 8.25”H x 6.5”W x 4.75”D
FLZ5064AC 8.25”H x 6.5”W x 4.75”D
FLZ6475AC 9.75”H x 7.5”W x 6”D
FLZ75110AC 9.75”H x 7.5”W x 6”D
Intro-3
APPLICATIONS & SIZING
SYSTEM APPLICATION INFORMATION
SPACE HEATING
Floorizwarm products can provide total space
heating. Like all other space-heating products,
heat-loss calculations should be performed prior
to selecting the appropriate Floorizwarm System. Heat-loss calculations define the amount
of heat which must be delivered in order to heat
the given space. Heatizon Systems
Floorizwarm products are suitable for installation under most floor coverings.
FLOOR WARMING
Floorizwarm products can be used in conjunction with a primary heat source to provide warm
floors or supplemental heat. Floor warming applications typically provide approximately 10 to
15 Watts per square foot. Heatizon Systems
Floorizwarm products are suitable for installation under most floor coverings.
SYSTEM SIZING INFORMATION
The adjacent table indicates the Floorizwarm
packages that are available. Each Floorizwarm
package contains a pre-measured length of
Floorizwarm Heating Element with attached
Cold Lead, the appropriate sized Power Unit,
and a Programmable Thermostat with Floor
Sensor.
ELECTRICAL SERVICE REQUIREMENTS
The Floorizwarm Power Unit requires an input
of 120 VAC.
INSULATION
Properly installed insulation is always recommended by Heatizon to enhance the efficiency
and improve the performance of all Heatizon
Systems products.
SYSTEM SIZING INFORMATION
Model
Number
FLZ1520AC
FLZ2030AC
FLZ2536AC
FLZ3650AC
FLZ5064AC
FLZ6475AC
FLZ75110AC
Floorizwarm is configured and packaged in the seven
different area sizes listed above. Floorizwarm comes
complete with a pre-measured length of the appropriate gauge Floorizwarm Tuff Cable Heating Element,
which is attached to the floor prior to the application of
mortar. The Tuff Cable spacing is varied to fit a specific area within the intended range of sizes. One non
-heating Cold Lead is spliced to each end of the Tuff
Cable Heating Element at the factory. Each Cold Lead
is run to the power unit by the installer. Cold Leads
are connected to the appropriate Transformer wires
using wire nut connectors.
Area to
be
Heated
15 ft2 to
2
20 ft
20 ft2 to
2
30ft
25 ft2 to
2
36 ft
36 ft2 to
2
50 ft
50 ft2 to
2
64 ft
64 ft2 to
2
75 ft
75 ft2 to
2
110ft
Cable
length
50
feet
80
feet
70
feet
160
feet
125
feet
260
feet
225
feet
Ele-
ment
Spac-
ing
3.6"
to
5.0“
2.5"
to
3.5“
3.8"
to
5.5“
2.7"
to
3.5“
4.8"
to
6.1“
2.8"
to
3.3“
3.7"
to
5.5“
Watts
Per
Square
Foot
14.7
to 11.03
14.9
to
9.9
14.8
to
10.3
14.7
to
10.6
13.5
to 10.59
14.9
to 12.99
14.8
to
10.5
Intro-4
WARNINGS
Check contents of all boxes immediately upon receipt of your Heatizon shipment and notify Heatizon within 24
hours of any discrepancy or missing part.
Read this Installation Manual in its entirety before attempting to install any Heatizon Systems Products.
Installation of Heatizon Systems products and associated work must be performed by qualified persons and
conform to local building codes, ordinances, trade practices, and in accordance with all applicable sections of
the National Electric Code (NEC).
Risk of fire! Risk of fire possible if installation of system is not completed according to all of the installation instructions contained within this Installation Manual, including but not limited to the warnings and notes throughout. Risk of fire possible if metal or any other conductive material is allowed to come into contact with the Cold
Leads and Floorizwarm Tuff Cable Heating Element. Risk of fire possible if connections/joints are not crimped
and/or soldered correctly. Risk of fire possible if cuts or other damage to FloorizwarmTuff Cable are not repaired correctly. Note: The safety features and testing procedures incorporated into Heatizon Systems products cannot detect cuts in Cold Leads or Tuff Cable element. Do not allow Tuff Cable to touch or cross itself.
Risk of shock! Make sure all power to your Heatizon Systems product and thermostat is shut off at the electric
distribution panel before installing, removing covers, servicing, or working on any of the components of any
Heatizon System product.
All connections/joints between Colds Leads and Tuff Cable heating element must be embedded into mortar,
asphalt, or other acceptable cementitious Heatsink.
Obtain written approval from Heatizon Systems for applications and installations that are different from those
described herein.
In order for your Heatizon Systems product to operate correctly, the transformer portion of the Control Unit
must be installed so that it can dissipate the heat that it generates
Like all electric products, Heatizon Systems products create a magnetic field that may interfere with certain
brands of televisions, computer monitors, etc. Unlike Cathode Ray Tubes (“CRT”), Plasma Display Panels
(“PDP”) and Liquid Crystal Displays (“LCD”) do not seem to be affected by magnetic fields. In the event
magnetic field interference is a concern for you please consult Heatizon Systems or your sales representative
prior to making your purchase.
Mattresses, Bean Bag Chairs, LoveSacs, Futons, and all other items which have high insulating values should
never be placed directly on any surface which has a radiant heating product under it.
Never install Heatizon Systems products in space heating or floor warming applications to deliver more than the
15 watts per square foot (or 160 watts/m2) recommended by the Radiant Panel Association.
Field installed wiring must be in compliance with the National Electrical Code (NFPA-70) and/or ordinances, or
all local building codes and trade practices.
Please call Heatizon Systems Technical Support Department at (801) 293-1232 with any questions you have regarding these Design and Installation Instructions and The Customer Information Sheet, or the installation, operation, and maintenance of Heatizon Systems products.
Intro-5
HEATWAVE SYSTEMS LIMITED WARRANTY
Twenty-five Year Limited Warranty for
Heatizon Systems Floorizwarm AC and
Specified Radiant Panel Heating Components
Heatizon Systems warrants to the end users of the following products that for the periods noted such products
shall be free from defects in material and workmanship: Floorizwarm Cable Heating Element (E101-14) for a
period of twenty-five (25) years, the Control Box Transformer for a period of five (5) years, and the Activation
Device(s) for a period of one (1) year. Such warranty periods shall commence on the date of shipment by
Heatizon Systems. If any parts are found to be defective in manufacture material or workmanship during such
time period, Heatizon Systems will, at its sole option, replace or repair defective parts.
This Limited Warranty applies only if articles sold hereunder (a) are selected, designed, and installed according
to instruction and operation manuals furnished by Heatizon Systems and installed in a "workmanlike manner"
according to the building association standards adopted by Heatizon Systems, (b) remain in their originally installed location, (c) are connected to proper power supplies, (d) are not misused or abused, (e) show no evidence of tampering, mishandling, neglect, accidental damage, modifications or repair without the approval of
Heatizon Systems, or damage done to the product by anyone other than Heatizon Systems, and (f) are installed
in accordance with applicable code requirements. Any warranty claims must be made in writing, no later than
one (1) month following expiration of the warranty period, and must be accompanied by the warranted part or
component. Any claim not made in such manner shall not be honored by Heatizon Systems.
This Limited Warranty does not cover:
1. The workmanship of any installer of Heatizon Systems products.
2. Any Heatizon Systems products that have a failure or malfunction resulting from improper or
negligent operation, installation, accident, abuse, misuse, unauthorized alteration or improper repair
or maintenance.
3. Any Heatizon Systems products that have had components not purchased from Heatizon Systems integrated into or connected to them.
4. Any labor costs for removal of alleged defective part(s) and/or reinstallation of replacement part
(s), transportation to and from Heatizon Systems (if necessary) and any other material necessary to
perform the exchange or repair.
5. Any Heatizon Systems heating products that have not been properly registered by completion
and return of the Warranty Registration Card provided with your product.
DISCLAIMER OF WARRANTIES:
This warranty described above is in lieu of all other warranties, express or implied, including but not limited to any implied warranties of fitness for a particular purpose and merchantability. Heatizon Systems
expressly disclaims and excludes any liability for losses, expenses, inconveniences, consequential, incidental, indirect, or punitive damages for breach of any express or implied warranty. By installing
Heatizon Systems products, you accept the terms of this limited warranty.
Some states do not allow the exclusion or limitation of incidental or consequential damages, or limitations on
how long an implied warranty lasts, so the above limitations and exclusions may not apply to you. This Limited
Warranty gives you specific legal rights, and you may also have other rights, which may vary, from state to state.
Intro-6
INSTALLATION INSTRUCTIONS
A. VERIFY PROPER FLOORIZWARM SYSTEM SIZING
The Floorizwarm Tuff Cable Heating Element comes in pre-established lengths that have been designed to
deliver a specified heat density. Therefore, it is essential that ALL of the Floorizwarm Tuff Cable Heating Element contained in your kit be installed. To insure that the Floorizwarm Model you have purchased is the correct size for your project, complete this simple worksheet prior to beginning the installation process.
STEP 1.
STEP 2.
STEP 3.
STEP 4.
STEP 5.
Calculate Square Footage. Determine the square footage of the
area to be warmed. Enter the total square footage on line A.
Determine Watts Per Square Foot. Determine the Watts per
square foot that you will need for your application. Heatizon Systems
suggests the following Watts per square foot:
Floor Warming—7.5 to 15 Watts per square foot
Space Heating—Watts per square foot and spacing
between element runs should be determined by a heat loss
calculation. Contact Heatizon Systems for information on
how to obtain a heat loss calculation.
Enter the desired total Watts per square foot on Line B.
Calculate Total Watts. Calculate total Watts by multiplying Line A
by Line B, and enter the result on Line C.
Select the Correct Floorizwarm Model. Select the Floorizwarm
model that will deliver the total watts calculated in Step 3. Heatizon
Systems recommends that you select the next larger Floorizwarm
Model if the total Watts calculated in Step 3 is between two models.
Check the model number, and write the corresponding “Length of
Element” on Line D.
Floorizwarm Model Total Watts Length of Element
Floorizwarm 1520 228 50 feet
Floorizwarm 2030 324 80 feet
Floorizwarm 2536 360 70 feet
Floorizwarm 3650 528 160 feet
Floorizwarm 5064 688 125 feet
Floorizwarm 6475 980 260 feet
Floorizwarm 75110 1204 225 feet
Calculate Element Spacing. Calculate the amount of space
Between the runs of element for your application and the Floorizwarm
Model you have selected. Note that spacing between element runs
should not exceed 6 inches. Enter the element spacing on Line E.
____________ ÷ _____________ x 12 = _______________
Square footage Length of Element Spacing
From Line A Element from (Enter on Line E)
Above Line D Above
Line A ________________
(Square Footage)
Line B ________________
(Watts per Square Foot)
Line C ________________
(Total Watts)
Line D ________________
(Length of Element)
Line E __________ inches
(Element Spacing)
This worksheet should confirm that you have purchased the correct Floorizwarm model, and also assist you in
the installation process by determining the amount of spacing between that should be placed between element
runs. In the event that you have not purchased the correct Floorizwarm model, call Heatizon Systems at 888239-1232, or contact your Heatizon Distributor.
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