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Navien NFC-200 User Manual

Navien NFC-200
124 pages
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WARNING
If the information in these instructions is not followed exactly, a fire or explosion may result, causing
property damage, personal injury, or death.
Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other
appliance.
WHAT TO DO IF YOU SMELL GAS
Do not try to light any appliance.
Do not touch any electrical switch; do not use any phone in your building.
Immediately call your gas supplier from a neighbor’s phone. Follow the gas suppliers instructions.
If you cannot reach your gas supplier, call the fire department.
Installation and service must be performed by a qualified installer, service agency or the gas
supplier.
The installation must conform with local codes or, in the absence of local codes, the National Fuel
Gas Code, ANSI Z223.1/NFPA 54 and/or CSA B149.1, Natural Gas and Propane Installation Code.
Installation & Operation Manual
NFC Condensing Combi-Boilers
Model
NFC-175
NFC-200
H
NSF/ANSI 372
Keep this manual near this boiler for future reference
whenever maintenance or service is required.
* The wetted surface of this product contacted by consumable water contains less than
one quarter of one percent (0.25%) of lead by weight.

Table of Contents

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Questions and Answers:

Navien NFC-200 Specifications

General IconGeneral
ModelNFC-200
CategoryBoiler
Efficiency95% AFUE
Water Connection Size1" NPT
Gas Connection Size3/4" NPT
Fuel TypeNatural Gas / Propane
Max. DHW Input (NG)199, 000 BTU/h
Max. DHW Input (LP)199, 000 BTU/h
DHW Capacity199, 000 BTU/h
Vent Size3 inch
TypeCondensing Combi Boiler

Summary

Safety Information

General Safety Precautions

General safety warnings, gas leak procedures, and precautions for flammable materials.

Operational Safety Warnings

Warnings regarding boiler operation, including cover removal, venting, and electrical safety.

Burn Prevention and Hot Water Safety

Information on preventing burns from hot water and safe temperature settings.

Installation Procedures

Gas Supply and Venting

Instructions for gas connection, pipe sizing, pressure checks, and boiler venting.

Boiler Operation and Settings

Troubleshooting and Diagnostics

Understanding Error Codes

Lists common error codes, their reasons, and self-diagnostic actions.

Getting Service

How to Obtain Service

Information on obtaining service, contacting support, and required details.

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