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VC Series Manual 39
The appliance must be inspected annually by a
licensed professional. Repairs and maintenance
should be performed by a licensed professional. The
licensed professional must verify proper operaon
aer servicing.
Cleaning
It is imperave that control compartments, burners,
and circulang air passageways of the appliance be
kept clean.
Clean as follows:
1. Turn o and disconnect electrical power. Allow to
cool.
2. Close the water shut o valves. Remove and clean
the water inlet lter.
3. Remove the front panel by removing 4 screws.
4. Use pressurized air to remove dust from the main
burner, heat exchanger, and fan blades. Do not
use a wet cloth or spray cleaners on the burner.
Do not use volale substances such as benzene
and thinners. They may ignite or fade the paint.
5. Use so dry cloth to wipe cabinet.
Vent System
The vent system and condensate collector (located at
top of unit) should be inspected at least annually for
blockages or damage. If the vent and/or condensate
collector is blocked contact a licensed professional.
Motors
Motors are permanently lubricated and do not need
periodic lubricaon. However you must keep fan and
motor free of dust and dirt by cleaning annually.
Temperature Controller
Use a so damp cloth to clean the temperature
controller. Do not use solvents.
Lime / Scale Build-up
If you receive diagnosc code “LC#” (LC1, LC2,…),
refer to the procedure, Flushing the Heat Exchanger.
Refer to the secon on Water Quality to see if your
water needs to be treated or condioned. (When
checking maintenance code history, “00” is
substuted for “LC#”.)
The water must be potable, free of corrosive
chemicals, sand, dirt, or other contaminates. It is up
to the installer to ensure the water does not contain
corrosive chemicals, or elements that can aect or
damage the heat exchanger. Water that contains
chemicals exceeding the levels below aect and
damage the heat exchanger. Replacement of the
heat exchanger due to water quality damage is not
covered by the warranty.
Snow Accumulaon
Keep the area around ue terminal free of snow and
ice. The appliance will not funcon properly if the
intake air or exhaust is impeded (blocked or parally
blocked) by obstrucons.
Coastal Installaons
Installaons located in or near coastal areas may
require addional maintenance due to corrosive
airborne ocean salt.
Clean the water lter
Clean the inlet water lter by closing the cold and hot
water inlet isolaon (shut-o) valves. Put a bucket
under the lter at the boom of the water heater to
Required Maintenance
To protect yourself from harm, before performing maintenance:
• Turn o the electrical power supply by unplugging the power cord or by turning o the electricity at the
circuit breaker. (The temperature controller does not control the electrical power.)
• Turn o the gas at the manual gas valve, usually located immediately below the water heater.
• Turn o the incoming water supply. This can be done at the isolaon valve immediately below the water
heater or by turning o the water supply to the building.
WARNING
Keep the appliance area clear and free from combusble materials, gasoline, and other
ammable vapors and liquids.
WARNING
The appliance and vent system must be inspected annually by a licensed professional. Repairs and maintenance
should be performed by a licensed professional. The licensed professional must verify proper operaon aer servicing.
The following maintenance items are required for the proper operaon of your water heater.
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