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NR98, NR111, NRC111, NC199 & NCC199 Series
Fan Replacement and Cleaning Procedure
This instructional manual is only intended for use by a qualified service professional or authorized Noritz
Service Representative. Any unauthorized use of this manual may result in voiding the warranty.
Please contact Noritz Technical Support (866‐766‐7489) for additional support.
Noritz America Corporation
11160 Grace Avenue, Fountain Valley, CA 92708
Phone 866‐766‐7489 Fax 714‐241‐1196
Page 1
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Summary of Contents for Noritz NR98 Series
- Page 1 NR98, NR111, NRC111, NC199 & NCC199 Series Fan Replacement and Cleaning Procedure This instructional manual is only intended for use by a qualified service professional or authorized Noritz Service Representative. Any unauthorized use of this manual may result in voiding the warranty. Please contact Noritz Technical Support (866‐766‐7489) for additional support. Noritz America Corporation 11160 Grace Avenue, Fountain Valley, CA 92708 Phone 866‐766‐7489 Fax 714‐241‐1196 Page 1...
- Page 2 NR98 (N‐0751M), NR111 (N‐0931M), NRC111 (N‐0842MC), NC199, & NCC199 (N‐0841MC) Series Fan Replacement or Cleaning Procedure Procedure Diagram 1. Remove front cover (1) Disconnect electrical power to unit (2) Turn off gas and water (3) Remove 4 screws 2. Remove GFCI (1) Remove two screws that hold the GFCI Plate, one screw will have a ground wire attached), Let GFCI hang outside of the unit 3. Remove gas valve assembly (1) Locate “C” clamp on the bottom right hand corner of the unit that attaches the gas connection to the manifold plate and remove. ...
- Page 3 Procedure Diagram (2) Locate inlet gas pipe to manifold and push up. Then locate the large wiring connection, that attaches the wires from the manifold plate to the wiring harness, and disconnect the plug. (3) Next locate the four big silver screws holding the manifold plate to the burner, there will be two on the right and left side of the manifold plate. Remove those four screws and the manifold plate and pipe can be removed and set aside. (4) Unplug the wire for the fan Page 3...
- Page 4 Procedure Diagram 4. Remove the fan from housing (1) Remove 3 screws that are on the outer edge that just go through the single metal plate (2) Pull out fan motor, the blade will be attached to the motor 5. Cleaning Fan (1) The fan maybe metal or plastic depending on which unit you are working on (2) Clean the fan with compressed air (3) If the fan requires more cleaning and you have to use water or degreaser then remove the fan blade from the motor by removing nut in the middle of the fan. (If you don’t do this you may damage the fan motor) (4) Make sure the fan blade is completely dry before reinstalling the blade back ...
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