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Rinnai V75i series User Manual

Rinnai V75i series
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36 Value Series Manual
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 operaon
aer servicing.
Cleaning
It is imperave that control compartments, burners,
and circulang 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 volale 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 should be inspected at least annually
for blockages or damage. If the vent is blocked
contact a licensed professional.
Motors
Motors are permanently lubricated and do not need
periodic lubricaon. 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 diagnosc code “LC#” (LC1, LC2,…),
refer to the procedure, Flushing the Heat Exchanger.
Refer to the secon on Water Quality to see if your
water needs to be treated or condioned. (When
checking maintenance code history, “00” is
substuted for “LC#”.)
Snow Accumulaon
Keep the area around ue terminal free of snow and
ice. The appliance will not funcon properly if the
intake air or exhaust is impeded (blocked or parally
blocked) by obstrucons.
Clean the water lter
Clean the inlet water lter by closing the cold and hot
water inlet isolaon (shut-o) valves. Put a bucket
under the lter at the boom of the water heater to
catch any water that is contained inside the unit.
Unscrew the water lter. Rinse the lter to remove
any debris. Install the lter and open the isolaon
valves.
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 isolaon 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 combusble materials, gasoline, and other
ammable vapors and liquids.
WARNING
The appliance must be inspected annually by a licensed professional. Repairs and maintenance should be per-
formed by a licensed professional. The licensed professional must verify proper operaon aer servicing.
The following maintenance items are required for the proper operaon of your water heater.

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Rinnai V75i series Specifications

General IconGeneral
TypeTankless Water Heater
Fuel TypeNatural Gas or Propane
Maximum BTU180, 000 BTU
Flow Rate7.5 GPM
Energy Factor0.82
InstallationIndoor
Gas Connection3/4" NPT
Water Connection3/4" NPT
BTU Input Range15, 000 - 180, 000 BTU
Temperature Range98°F to 140°F
Electrical Requirements120V AC, 60Hz
Ignition TypeElectronic
Warranty5-year on parts, 1-year on labor

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