Rinnai RU98i Installation Manual

1 Rinnai CVent Common Vent Installaon Manual For the RU98i (REU-KB3237FFUD-US) Condensing Water Heater This manual is a supplement to the applian

10 Rinnai CVent Part Number: 790008 CVent Back-2-Back Kit (QTY. 4) Part Number:790020 / 790021 CVent Extension (Qty. 5) Part Number:790037 Combus

11 Rinnai CVent Included With Kit No. Part No. Description Image Exhaust Vent Components 790005 790042 CVent Endpiece 790005 790048 Condensate

Rinnai CVent 12 Venng Guidelines DO NOT  Do not install in separate distribuon systems. All water heaters common vented mus

13 Rinnai CVent Vercal Terminaon Maximum Equivalent Vent Length Number of water heaters Minimum Equivalent Vent Length Maximum Equivalent Ven

Rinnai CVent 14 CVent Terminaon Clearances This appliance along with the CVent Common Vent System is cered with the Cvent 8-in Wall Terminaon

15 Rinnai CVent Exhaust Vent Terminaon Clearances INSIDECORNER DETAILFIXEDCLOSEDOPERABLEFIXEDCLOSEDOPERABLEBBBAJBMCFBBEDLGAHKI[1] A vent sha

Rinnai CVent 16 Check on whether local codes supersede these clearances.  Avoid terminaon locaons near a dryer vent.  Avoid terminaon loca

17 Rinnai CVent Water Heater Clearances Indoor model RU98i to Combustibles inches (mm) to Non-Combustibles inches (mm) Top of Heater 6 * (15

Rinnai CVent 18 Installaon Instrucons Exhaust Vent Installaon Procedures: • Aer ensuring the water heaters are mounted securely and spaced 20

19 Rinnai CVent Opons for Combuson Air Vent: • For extended Intake pipe runs, PVC can be used between the Intake Header and Terminaon. • Use

Rinnai CVent 2 Descripon The CVent Common Venng system provides longer vent lengths and fewer wall or roof penetraons than convenonal single-u

Rinnai CVent 20 Installaon Instrucons Back to back Conguraon (2 to 8 water heaters) In Line Conguraon (2 to 8 water heaters) Refer to the Ub

21 Rinnai CVent Installaon Instrucons Recommended Spacing of Water Heaters Spacing of the water heaters is crical for the common vent system to

Rinnai CVent 22 Installaon Instrucons Install the Condensate Trap and Drain Pipe The CVent exhaust header collects condensate. A collector and

23 Rinnai CVent Common Header Check Valve Maintenance Visually inspect the check valve annually (or aer 4000 operaon hours) for obstrucons, pro

Rinnai CVent 24 Final Checklist □ Reference the Rinnai Water Heater Operaon and Installaon Manual for proper installaon of the Rinnai water he

25 Rinnai CVent Appendix A Ubbink CVent Condensing Common Vent System Installation and Assembly Instructions These installation instructions sho

26 Rinnai CVent List of Contents A1 Preface 22 A2 General and Local standards information

27 Rinnai CVent A2 General and Local standards information When installing and operating the CVent Common Vent System, the following valid standar

28 Rinnai CVent A6 General Assembly Instructions Correct Pitch The pipes and formed parts must be installed at an angle of 3° incline towards the

29 Rinnai CVent A7 Condensate and condensate drain • Condensate is produced in the CVent Common Vent System when appliances are operating. • Co

3 Rinnai CVent Indicates an imminently hazardous situaon which, if not avoided, will result in death or serious injury. Indicates a potenally ha

30 Rinnai CVent General Require-ments ,Remarks and Tools:  Conrm that the box contents match the above Parts list.  Use suitable tools, bewa

31 Rinnai CVent A9 Final Installation Check List  All vent components are secure and fully engaged.  All seals are correctly positioned and

32 Rinnai CVent A14 Installation and maintenance of the check valves •The Check Valves must be Installed vertically as first component over the a

33 Rinnai CVent A18 Application Manufacturer’s Information The manufacturer’s identification information as displayed below must be filled out and

Rinnai America Corporaon • 103 Internaonal Drive, Peachtree City, GA 30269

4 Rinnai CVent Water Heater Installaon For informaon regarding the installaon of the RU98i (REU-KB3237FFUD-US) tankless water heater, please r

5 Rinnai CVent CVent Starter Kit 790005 8-Inch For Back–2-Back or InLine Combustion Air & Exhaust 1 2 3 4 5 CVent InLine Kit 790007 8-Inch H

Rinnai CVent 6 CVent Back-2-Back Kit 790008 8-Inch Header Kit For Back-2-Back Combustion Air & Exhaust NO QTY DESCRIPTION 1 1 CVENT COLLE

7 Rinnai CVent Parts / Kits CVent Common Venng Exhaust / Intake Components (PPtl, polypropylene translucent) Part No. Descripon Part No. Des

8 Rinnai CVent 8 INCH VENT COMPONENTS CVent 8-in Chase Cover #790030 CVent Pitched Roof Flashing (Including Storm Collar) #790003 CVent Flat Roof

9 Rinnai CVent CVent Extension D4xL18 #790035 D4xL39 #790028 4 INCH VENT COMPONENTS Sample Roof Assembly Field Supplied PVC Components Field Sup