Rinnai EX08C (RHFE-202FTA), EX11C (RHFE-265FTA) installation manual Flue Manifold Installation

Flue Manifold Installation

•The flue manifold must exhaust to the outside. Do not exhaust into other rooms.

•The flue manifold is not designed to be positioned under floors or below the heater.

•The termination cannot be vertical.

•This appliance can only be used with one of the five types of Rinnai flue kits. The flue kits and their dimensions are listed in the Specifications section.

•Refer to the Flue Terminal Clearances section.

1.Disassemble the flue manifold The flue consists of 3 parts:

•	Inside Connection	Terminal
	sleeve

•inside connection

•outside terminal

Disassemble the flue manifold by first pulling
out the inside connection. To remove the
outer terminal pull and release the two
internal ties and then pull out the outer	Sleeve
terminal.

Clearance to combustibles for the sleeve and flanges is zero inches.

2.Adjust the sleeve length

Measure wall thickness through previously drilled 3 1/8 inch (80 mm) hole.

The end of the sleeve should protrude 3/16 - 3/8 inch (5-10 mm) from the outside wall.

The sleeve is threaded for adjustment. Adjust the sleeve length to wall thickness plus 3/16 - 3/8 inch (5-10 mm).

NOTE: Do not extend beyond the red line.

For other than the “S” type flue manifold, if a shorter length is necessary an extension can be removed. Cut the outer plastic laminate (with a utility knife or similar) and remove the extension. The metal should not be cut.

Remove extension if necessary

3.Attach the sleeve

Attach to the inside wall using 3 screws arranging the flange so that the marking “TOP” is at the top.

The flange is offset 2° to allow the condensate drain to the outside.

sleeve should extend 3/16 - 3/8 in (5-10 mm)

3 screws

Rinnai Corporation EX08C, EX11C Manual 21