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www.rinnai.uswww.rinnai.us © 2011 Rinnai Corporation Condensing Tankless Water Heater Dual Pipe Vent System InnoFlue® Vent System Centrotherm-10/03/2011
www.rinnai.uswww.rinnai.us © 2011 Rinnai Corporation Why Has Rinnai Certified Dual Pipe? Customer requests to allow for greater installation flexibility and lower cost for longer vent runs for CONDENSING water heaters only. Because Centrotherm Eco Systems now offers a polypropylene-S, single-wall vent pipe (Rinnai will only allow PPs for exhaust flue pipe), whereas before only PVC was available. The Centrotherm Innoflue® PP-s vent pipe is the same product as the vent pipe inside Ubbink’s concentric venting, which Rinnai has offered up to now.
www.rinnai.uswww.rinnai.us © 2011 Rinnai Corporation 3 InnoFlue® Polypropylene Technology The PP-s exhaust venting is a product called InnoFlue® made by Centrotherm Eco Systems, a sister company of our concentric venting supplier, Ubbink. It is the same material as the inner pipe of our concentric venting for our Condensing product. It MUST be used for the exhaust venting/flue and can also be used for the intake air.
www.rinnai.uswww.rinnai.us © 2011 Rinnai Corporation 4 InnoFlue® PP-s: Features & Benefits Condensing Water Heater product only 3” diameter polypropylene pipe Can be used for both Intake and Exhaust: Can substitute PVC for intake ONLY (only PPs can be used for Exhaust venting) Maximum vent length is based on number and type of elbows Zero clearance to combustibles Gasketed PP-s allows for faster, cleaner installation with no fit-up or glue and primers required
www.rinnai.uswww.rinnai.us © 2011 Rinnai Corporation 5 Benefits of the “dual pipe” option with InnoFlue® Engineered specifically for gas appliance venting Positive fit and lock allows for secure joints and quick connections Easier to locate venting in tight spaces, such as between ceiling and sub-floor Zero-clearance to combustibles 10-year warranty on InnoFlue® PP-s venting InnoFlue® is 100% recyclable, earning LEED points by eliminating solvent-based primers and adhesives Polypropylene is far superior to PVC as exhaust venting. It has a maximum temperature rating of 230°F(110°C), compared to 146°F(65°C) for PVC and 194°F(90°C) for CPVC
www.rinnai.uswww.rinnai.us © 2011 Rinnai Corporation 6 INSTALLATION GUIDELINES
www.rinnai.uswww.rinnai.us © 2011 Rinnai Corporation 7 When installing the Centrotherm 2 pipe system: Comply with the exhaust clearances found in the Rinnai Operation and Installation Manual. Only one appliance can be attached to the vent system. Install the system in according to the Centrotherm Installation Instructions Use the 3”/5” concentric to twin pipe adaptor and 3” diameter venting. The vent termination and air intake must be in the same pressure zone. Do not exceed maximum straight vent length with number of elbows as shown in tables. Maintain the clearances shown in the figures below. Installation
www.rinnai.uswww.rinnai.us © 2011 Rinnai Corporation Installation WARNING: Do Not use PVC on the exhaust venting. PVC is allowed on the intake only.
www.rinnai.uswww.rinnai.us © 2011 Rinnai Corporation 9 Vent Length Tables Maximum Straight Vent Length There are two types of elbows, short radius and long radius. 1.Refer to correct table for your type of elbow (long/short) to find the maximum straight vent length. 2.Count the number of elbows in your venting excluding the termination/intake. 3.Refer to the third column. If required based on vent length, move switch #1 in the tan dip switches to off.
www.rinnai.uswww.rinnai.us © 2011 Rinnai Corporation 10 Installation Installation and maintenance of InnoFlue® vent systems must be preformed by a Licensed professional. Centrotherm recommends annual inspections of any InnoFlue vent system All installations must conform to all relevant Local, State and National codes Refer to Rinnai’s installation instructions for restrictions such as total equivalent vent length, number of allowable elbows, sizing of vent systems and the use of appliance adaptors. InnoFlue® vent components must be used throughout the entire vent system. Do not mix with other vent manufacturer’s products.
www.rinnai.uswww.rinnai.us © 2011 Rinnai Corporation 11 Installation Vent Pitch Horizontal vent configurations must be pitched towards the appliance and at an angle of no less than 3° or 5/8”/ft. (5.6cm/m) Male ends of all components must point towards the appliance to assure free condensate flow to the condensate drain of the appliance. Reminder… InnoFlue® can be installed at zero-clearance to combustible materials. Install a Support Bracket at any directional changes such as Elbows or Tee sections as needed. Vent Terminations Horizontal terminations should go straight through wall. Vent cannot extend more than 12” ( 30cm) from the wall exterior. Termination Tee’s, 45°, or 90° elbows may be used to direct flue gases in desired directions. All outside piping must be the UV-rated PP-s (Black piping) Install Bird Screens into any exterior vent or air intake opening
www.rinnai.uswww.rinnai.us © 2011 Rinnai Corporation 12 Installation Gaskets are factory installed in all InnoFlue® components. If a gasket is missing or damaged, it must be replaced by a correctly-sized Centrotherm supplied gasket CAUTION: leaking gaskets can cause the formation of dangerous carbon monoxide or property damage due to condensate leaks! When measuring vent length required, ensure to include the depth of the female socket to the total length required. When field cutting InnoFlue® vent lengths, use a hack saw and miter box to create a perpendicular, clean cut, ensuring to deburr cut, so that any damage to gasket is avoided. MeasureCutDeburr
www.rinnai.uswww.rinnai.us © 2011 Rinnai Corporation 13 Installation Joint Connections Place Centrocerin, a water based lubricant on the gasket of component 1 for ease of assembly. Slip a Connector Ring over male end of component 2 so that that it can grip the gasket bead of component 1. Push and twist male end until it bottoms out in component 1. Clip the Connector Ring onto gasket bead to secure the two components to each other. Install support brackets for horizontal venting onto solid ceiling joist or surfaces to avoid future movement or sagging. Space supports no more than 39” (1m) apart. Install support brackets for vertical, wall mounted vent configuration. space brackets no more than 78” (2m) apart. 1 2 1 2 1 2 Connector Ring
www.rinnai.uswww.rinnai.us © 2011 Rinnai Corporation 14 Possible Installation Scenarios
www.rinnai.uswww.rinnai.us © 2011 Rinnai Corporation 15 InnoFlue® Parts ISELL0387 87° Long- Radius Elbow
www.rinnai.uswww.rinnai.us © 2011 Rinnai Corporation 16 Vent Clearances
www.rinnai.uswww.rinnai.us © 2011 Rinnai Corporation 17 Vent Clearances RefDescriptionU.S. SpecificationsCanadian Specifications AClearance above grade, veranda, porch, deck or balcony12 inches (30 cm)12” (30 cm) BClearance to window or door that maybe opened12 inches (30 cm)36” (91 cm) CClearance to permanently closed window ** D Vertical clearance to ventilated soffit, located above the terminal within a horizontal distance of 2 feet (61 cm) from the center line of the terminal ** EClearance to unvented soffit ** FClearance to outside corner ** GClearance to inside corner ** H Clearance to side of center line extended above meter / regulator assembly * 3 feet (91 cm) within a height 15 feet (5 m) above the meter / regulator assembly IClearance to service regulator vent outlet * 36 inches (91 cm) J Clearance to non-mechanical air supply inlet to building or the combustion air inlet to any other appliance 12 inches (30 cm)36 inches (91 cm) KClearance to a mechanical air supply inlet 3 feet (91 cm) above if within 10 feet (3 m) horizontally 6 feet (2 m) L Clearance above paved sidewalk or paved driveway located on the public property * 7 feet (2.25 m) MClearance under veranda, porch, deck, or balcony * 12 inches (30 cm) * For clearances not specified in ANSI Z223. 1/NFPA 54 or CGA-B149. clearances are in accordance with local installation codes and the requirements of the gas supplier.
www.rinnai.uswww.rinnai.us © 2011 Rinnai Corporation 18 1.Why is InnoFlue® sloped back towards appliance? InnoFlue® is intended for use on condensing heating appliances. Condensing appliances generate one gallon of condensate per hour per hundred thousand BTU’s. A pitched system ensures that condensate does not build up inside vent system. 2.What is the required slope of an InnoFlue® SW vent system? InnoFlue® requires a slope of 3° or 5/8”per foot. 3.Can I field cut InnoFlue®? InnoFlue® can be field cut to length using a hacksaw and miter box or equivalent. InnoFlue® must be cut on the male end of the pipe, preserving the socketed (female) end. After making cut, the end can be beveled at the contractor’s discretion. The end must be deburred using a standard deburring tool or sand paper. 4.Can InnoFlue® be painted? Yes, the exterior of InnoFlue® can be painted. Please follow the surface preparation instructions specified by the paint manufacturer. InnoFlue® FAQ’s
www.rinnai.uswww.rinnai.us © 2011 Rinnai Corporation 19 The End Rinnai Condensing Tankless Water Heater Dual Pipe Vent System InnoFlue® Vent System Centrotherm-10/03/2011
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