Rinnai Water Heater REU-V2520FFUD - Manual (Page 23)

If you do not follow these instructions
exactly, a fire or explosion may result causing property
damage, personal injury or loss of life.

Rinnai America FF Models
TROUBLE SHOOTING AND COMMON QUESTIONS
Q
- I don't have any hot water when I open the tap!
A
- Make sure there is gas, water and electricity to the Rinnai Water Heater
(the power is turned on and the gas is turned on)
Q
- When I was using the hot water, the water got cold!
A
- If you adjusted the flow from the tap to lessen it, you may have gone below the minimum
flow required. The Rinnai Water Heater requires a minimum flow rate to operate (see
specification page for flow rate of your unit). If you mix the water with a tap and attempt
to get a temperature well below the temperature being controlled by the unit, it may drop
the flow below the desired minimum flow rate. Decrease the temperature supplied by the
Rinnai Water Heater at the remote control or increase your total flow.
Q
- White smoke comes out of the exhaust!
A
- During colder weather when the exhaust temperature is hotter than the air, the exhaust
fumes condense producing white steam.
Q
- When I open a hot tap. I do not immediately get hot water!
A
- Hot water must travel through your plumbing from the Rinnai Water Heater to the faucet.
The time period for hot water to reach your fixture is determined by the amount of water in
your plumbing system between your water heater and the fixture, water pressure, flow rate
of fixture in use, etc.
Q
- After I turn off the hot water tap, the fan on the Rinnai Water Heaters continues to run!
A
- The fan is designed to be on for 65 seconds after the flow of water stops.This is to ensure
constant water temperatures during rapid starting and stopping, as well as exhausting any
residual gas flue products from the unit.
FOR YOUR SAFETY READ BEFORE OPERATING
A. This appliance does not have a pilot. It is
equipped with a direct ignition device which
automatically lights the burner. Do not try to
light the burner by hand.
B. BEFORE OPERATING: Smell all around the
appliance area for gas. Be sure to smell next
to the floor because some gas is heavier
than air and will settle on the floor.
WHAT TO DO IF YOU SMELL GAS
•
Do not try to light any appliance.
•
Do not touch any electric switch, do not
use any phone in your building.
•
Immediately call your gas supplier from a
neighbor’s phone. Follow the gas supplier’s
instructions.
•
If you cannot reach your gas supplier, call
the fire department.
C. Use only your hand to operate remote control
keypad. Never use tools. If the remote
keypad doesn’t work, do not try to repair
it, call a qualified service technician. Force
or attempted repair may result in a fire or
explosion.
D. Do not use this appliance if any part has
been under water. Immediately call a
qualified service technician to inspect the
appliance and to replace any part of the
control system and any gas control which
has been under water.