Noritz GQ-C3260 Series User guide

Brand: Noritz

Model: GQ-C3260 Series

Type: User guide

Noritz GQ-C3260 Series is a condensing tankless water heater designed for residential use. It utilizes advanced technology to deliver an endless supply of hot water for various applications such as showers, baths, and dishwashing. With its compact size and high-efficiency operation, this water heater is an ideal choice for those seeking energy savings and reliable hot water performance.

— 1 —— 4 — GISI158

10 Quick and Easy Steps

Refer to the installation procedure video by scanning the two-dimentional barcode on the right.

(https://help.noritz.com/index.php/knowledge-base/nrk-1installation/)

Please check the installation manual for details.

Example of B-Vent length: 66 1/4″

Adjust the exhaust type setting to single vent (SV).

(Example of GQ-C3260 series)

Remove the front cover and adjust the DIP switch.

Disconnect the electrical power and then turn ON DIP switch #3.

Failure to perform this step will result a “73” code displayed on

the Remote Controller and a cease in operation.

If this occurs, disconnect, then reconnect the electrical power to

the water heater to reset the system.

Step 1. Check the condition of

installation site.

Step 2. Measure the B-Vent

length and diameter.

Step 3. Cut the polypropylene pipes to the required length needed

for the measured B-Vent.

Step 10. Set to SV conversion setting.

Completion

B-Vent Rain Cap

B-Vent

Length

Diameter

[Excerpt from the table on the installation manual]

B-Vent

length

[inch]

Polypropylene pipe length [inch]

Pipe-#1 Pipe-#2 Pipe-#3 Mark

66 35 31 3/4 13 1/4 or more 5 1/4

67 35 32 3/4 13 1/4 or more 5 1/4

ir Intake

Filter

ir Intake

Flue

Exhaust

Screwdriver

The tightening torque

shall be between 7

and 10 in lb.

Band

Circuit Board

12345678

OFF

Here

2″ Conversion Kit

3″ B-Vent

Ceiling

2″ Polypropylene Pipe

Roof

Diffuser

Base Junction Adapter

PVC Items

(Elbow / Straight Pipe)

Cut the pipe

at 8″ from the

male end. Cut

35″

Pipe-#1 Pipe-#2 Pipe-#3

8″

31 3/4″

Necessary minimum length: 13 1/4″

• Do not cut pipe shorter than 13 1/4″, measured

from the female side of the polypropylene pipe.

This length should be determined by the actual

water heater installation condition such that enough

pipe is exposed to attach adapter.

1/8″ (3 mm)

or less

3° or less

5 1/4″

Mark

• Determine the length

of pipe #3 according

to the location of the

water heater.

— 3 —— 2 —

Step 4. Attach the diffuser.

Step 5. Attach the spacer.

Step 6. Insert the polypropylene pipe into the B-Vent.

Step 7. Attach Base junction support to B-Vent.

Step 8. Connect the vent.

Step 9. Fix the connection with aluminum tape.

3″ Diffuser Gaske

Pipe-#1

Need another gasket

for 4″ B-Vent

3″ Diffuser Gasket

4″ Diffuser Gasket

Release Paper

[For 3″ B-Vent]

Use spacer for

3″ B-Vent.

Red

[For 4″ B-Vent]

Use spacer for

4″ B-Vent.

Whit

Spin

Push

Pipe-#1:

Polypropylene

pipe with diffuse

B-Vent

Mark

Pipe-#2 Pipe-#3

Apply a thin layer of

Centrocerin to the O-ring

attached to the female side

of the polypropylene pipe.

Fix the connection part of

the polypropylene pipe with

aluminum tape.

Aluminum tape

Matching surface

Base Junction Suppor

Tighten

Tighte

Base Junction Support

(Example of 3″ B-Vent)

Screws

Base Junction Suppor

Base Junction Adapter

Tighten

(Example of 4″ B-Vent)

Spacer

Top surface of the

B-Vent rain cap

Fix the spacer with the spacer

touching the top surface of

the B-Vent rain cap so that the

polypropylene pipe does not fall

down.

Apply a thin layer of

Centrocerin to the O-ring

attached to the female side

of the polypropylene-PVC

adapter.

Polypropylene-PVC adapter

(Example of 3″ B-Vent)

Mark Mark

than

2″

Mark

than

2″

Make sure the marked

point and the B-Vent

end are approximately

in the same position.

If there is a difference

of more than 2 inches,

start over from step 2.

Polypropylene-PVC

adapter

PVC pipe

(Elbows, Straight pipes

)

Aluminum tape

Polypropylene-PVC

adapter

PVC pipe

Aluminum tape

Polypropylene-PVC

adapter

Polypropylene pipe

Noritz GQ-C3260 Series User guide

Noritz GQ-C3260 Series User guide

Noritz GQ-C3260 Series User guide

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