Navien CH-180, User'S Operation Manual

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Safety Instructions
Read and understand this safety information before installing,
operating or servicing this Navien Combination boiler.
This manual must remain with the Navien Combination boiler.
Have your installer show you the location of the gas shut-off
valve and show you how to close the valve. Close the manual
shut-off valve if the Navien Combination boiler ever becomes
subjected to overheating, fire, flood, physical damage or any
other such damaging condition. And, DO NOT operate the
Combination boiler again until it has been checked by qualified
personnel.
DO NOT turn on the Combination boiler unless water and gas supplies are fully
opened.
DO NOT turn on the Combination boiler if cold water supply shut-off valve is closed.
DO NOT use this Navien Combination boiler for other than its intended purpose as
described in this manual.
DO NOT attempt to repair or replace any part of your combination boiler unless it is
specifically recommended in this manual. All other servicing should be referred to an
Authorized Service Technician.
Make certain power to the Combination boiler is turned “OFF” before attempting to
make any repairs to your Navien combination boiler.
Label all wires prior to disconnecting and servicing controls. Wiring errors can cause
improper and/or dangerous operation. Verify proper operation after servicing.
Improper adjustment, alteration, service or maintenance can cause property damage,
personal injury or death.
To prevent scalding always check the temperature of the hot water before showering,
bathing etc.
DO NOT attempt to change the temperature setting while someone is using the combi-
nation boiler.
DO NOT use parts other than those specified for this equipment.
DO NOT operate the combination boiler if you feel something is wrong with the unit.
DO NOT allow children to operate or otherwise handle the unit.
This product must be installed and serviced by a licensed plumber, a
licensed gas fitter, or a professional service technician. Improper installation
and/or operation by an unqualified person will void the warranty.
WARNING
Safety Precautions
WARNING