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Radiant T
These Instructions must be used only by a qualified installer/service
technician. Read these instructions completely before beginning. Failure to
follow these instructions can cause severe personal injury, death or substantial
property damage.
Part No. 650-000-221/0298
Installation Guide
Above Floor
ubing
AlumiP
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AlumiPex Radiant Tubing Hazard Definitions Indicates presence of hazards that will cause Indicates presence of hazards that can cause severe personal injury, death or substantial severe personal injury, death or substantial property damage. property damage. Indicates presence of hazards that will or can Indicates special instructions on installation, cause minor personal injury or property operation or maintenance that are important damage. but not related to personal injury or property hazards.
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Above Floor Installation Guide ALUMIPEX STEP-BY-STEP - - - ABOVE FLOOR INSTALLATION TYPICAL SEQUENCE Page CONTENTS Heating Others 4 Tube Layouts for Radiant Heating Contractor ! Calculate heat loss and design radiant system ! Set Tube Layout 7 Obtain Tube Layout Drawing ! Review Plans and ! Site Preparation Trade Guides with ! Rough in utilities General Contractor ! Purchase materials 8 Meet with General Contractor and equipment 9 Obtain Materials Obtain Special Equipment 10 ! Pour Foundation &
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AlumiPex Radiant Tubing A. Tube Layouts for Radiant Heating 1. Radiant Floor Heatng Figure 1 - Heat flow from tube through slab a. Hot water flowing in the radiant tubing under the Carpet Carpet finished flooring heats the flooring and the heat Pa Pad d emission plates. The heat emission plates help Subfloor Subfloor spread the heat evenly across the flooring. Heat Emission Plate Heat Emission Plate T Tube ube b. Heat must pass through the flooring and the Sleepers Sleepers Sleepers Sleepers cov
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Above Floor Installation Guide Figure 2 - Typical tube routing for an above floor installation ABOVE FLOOR INSTALLATION (One-Way Serpentine Patterns - Typical) Constant Spacing Outside Wall Concentrated Spacing (Wall with large window area or cool wall) Outside Wall Outside Wall Interior Partition Interior Partition Supply Return Supply Return These drawings are conceptual only. Consult Weil-McLain Radiant Guides or Software for actual project layout. USE HEAT EMISSION PLATES NOTE FLOW DIRECTION
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AlumiPex Radiant Tubing Figure 6 - Typical tube layout drawing WING - OUT DRA Y TUBE LA T washer / dryer KITCHEN U B DK T A BR3 I T DINING L H I T UT Y BT MANIFOLD LIVING ROOM LR1 LR2 BEDROOM BR1 BR2 Slab Control Joint This drawing is conceptual only. Consult Weil-McLain Radiant Guides or Software for actual project layout. Tube Spacing Total Circuit Leader Length Tubing Finished (Center to Center) Tube Length Length Allowance Circuit Flooring Length Normal Close Inches Inches Feet Feet Feet F
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Above Floor Installation Guide B. Obtain Tube Layout Drawing Floor Plan/Layout Should . . . . . . . . . . 1. Do not start a radiant heating installation without a detailed tube layout drawing. ! Be drawn to scale using a CAD program so tube lengths can be calculated by the program. • It provides critical information on: ! Show complete floor plan, including all • tube routing appliances, cabinets, fireplaces and any other • tube lengths details which could affect the routing of the tubing. • are
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AlumiPex Radiant Tubing C. Meet with General Contractor 1. We suggest you meet with the general contractor and follow this checklist: q Review the AlumiPex Trade Guides with the q If the tubing passes under any interior walls, you should mark these locations on the framing general contractor and ask him to provide the above. information and copies to each of the trades involved. Ask the general contractor to notify other q Verify that the flooring system is rated by the trades to watch for the
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Above Floor Installation Guide D. Obtain Materials 1. AlumiPex Tubing 3. AlumiPex Manifolds • In rolls and sizes specified on tube layout drawing. • Available in three sizes (2, 3 and 4 takeoff) in nickel-plated brass (shown above), with or without integral balancing valves . • Copper manifolds (not shown) are also available. • Refer to AlumiPex Manifold Instructions for part numbers and procedures. 4. Additional Materials a. AlumiPex Heat Emission Plates • These are sized and designed specifica
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AlumiPex Radiant Tubing E. Obtain Special Equipment 3. AlumiPex Reamer/Sizer(s) The reamer/sizer is specific to tube diameter. Make sure to have the right reamer/sizer for each size of tubing being installed. 1. Tubing Uncoiler Assists in tube installation. 4. Pressure Gauge With a scale range of 150 psig. For pressure testing and tubing pressurization. 2. AlumiPex Tube Cutter Part Number 650-000-221/0298 10
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Above Floor Installation Guide F. Pre-Installation Check List q Subfloor must be installed. q Make provision for pressure testing: • Water if no freeze concern. q Interior framing should be completed, but drywall • Otherwise, air compressor and hoses for air test and and finish carpentry not in place if possible. pressurization. q Read this installation guide, the AlumiPex Fitting q Review AlumiPex Trade Guides with general Instructions and AlumiPex Manifold Instructions contractor to ensure oth
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AlumiPex Radiant Tubing H. Mount Manifold(s) 1. Accurately measure the location of the manifold 3. Prepare holes for tube routing. mounting wall (if not already installed). Drill 1½” holes through the studs to route tubing Placement of the manifold and the tube to upper floors. See Figure 9 for drilling penetrations is critical. penetration holes in the rooms above. Take extra care in laying out these locations so all Drill 1½” holes through the sole plate in the items will be in proper
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SUPPLY RETURN Above Floor Installation Guide Figure 8 - Mounting of manifold(s), typical MANIFOLD MOUNTING (Above Floor System) 4“ Cover RETURN RETURN SUPPL SUPPLY Y 24“ Min Lower Plate Subfloor Joists Joist Bays The details shown are representative only. Other mounting configurations are possible. AlumiPex Manifold, Typical Junction Box ! Junction box for manifold valve actuator wiring, if needed. ! Refer to AlumiPex Manifold Instructions for details of mounting, assembly and application. Prote
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AlumiPex Radiant Tubing I. Install the Tubing Always wear safety glasses for eye protection 7. Attach tube fitting to manifold SUPPLY connection when handling AlumiPex tubing. The tubing (bottom manifold). can spring back when pulled. Failure to follow this guideline could result in serious personal 8. Feed the tubing to the room as shown on the heating injury. system designer’s tube layout drawing, feeding the outer (SUPPLY) tubing first. 1. Install the sleepers. Beginning from one side of ea
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Above Floor Installation Guide Figure 10 - Typical sleeper layout and installation SLEEPER LAYOUT - ABOVE FLOOR (Typical) 5 3 4 1 4 1 4 1 4 1 3 2 4 2 1 4 1 4 4 1 4 5 5 These drawings are conceptual only. Consult Weil-McLain Radiant Guides or Software for actual project layout. 1 SLEEPERS 3 SPACERS ! Typically sleepers are 1 x __ lumber or ¾" CDX plywood. ! Typically 1 x 4 furring strips. (Width of sleeper is equal to the required tube spacing less 1 inch.) ! Place spacers about ¼" from the wall
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AlumiPex Radiant Tubing Figure 11 - Typical above floor installation ABOVE FLOOR INSTALLATION J E I F C B D A G H This drawing is conceptual only. Consult Weil-McLain Radiant Guides or Software for actual project layout. AlumiPex Tubing, 1/2” A E Cover Sheet ! Use AlumiPex tubing, 1/2”, commonly spaced on 6½-inch ! A cover sheet must be used if the finished flooring will centers as shown (equal to 5½" for the sleeper plus 1" gap). be carpet, tile, vinyl or laminated hardwood. B AlumiPex Heat Emi
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Above Floor Installation Guide J. Pressure Test the Finished Tubing Installation 1. After all tubing has been routed and connected to the b. The pressure should not drop unless testing with manifold, pressure test all tubing circuits before air on a cold day. finished flooring is installed. Refer to AlumiPex • On cold days, air pressure testing will show Manifold Instructions. a drop as the air in the tubing cools off. But the pressure should reach a steady level and drop no further. 2. Isolate
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AlumiPex Radiant Tubing L. Connect System Piping & Heating System Components 1. Install piping and heating system components if 4. Never apply an open flame to AlumiPex tubing. framing is in place. 5. Pressure test sytem piping to verify there are no 3. Don’t solder within 18 inches of tubing. leaks. 3. Cover tubing to protect it from solder drip. K. Pressurize Tubing for Observation 1. After the system has been proven leak free, pressurize all tubing circuits to 30 psig. Periodically observe
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Above Floor Installation Guide N. Inspect Tubing Before Finished Flooring Installation 1. Arrange to inspect the installation a day before the scheduled finished flooring installation starts. q Check the pressure gauge to verify the system is q Repair any damage you find. still pressurized at or near 30 psig. q Advise the general contractor of your findings and q Visually inspect all tubing to verify there is no release for finished flooring installation. damage. O. Inspection, Repair and Troubl
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AlumiPex Radiant Tubing Part Number 650-000-221/0298 20
