Rinnai RUC80i Installation And Operation Manual page 57

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This ater heater re uires a ini u flo rate to operate. This rate can e found on the specifica on pa e in
this anual. In so e cases hen ou are not e n hot ater or if the ater alternates et een hot and cold,
it is due to the ater flo
resolve these pro le s in these cases.
If ou are experiencin issues ith hi her te perature se n s, then reduce the te perature se n . Selec n a
te perature closer to that hich is actuall used at the faucet ill increase the a ount of hot ater ein
delivered to the faucet, due to less cold ater ixin at the fixture.
DAN ER
1. If the ater heater is off, press
the Po er u on to turn on.
2. If the Priorit li ht is off, then
press the Priorit
te perature controller. The
oran e Priorit li ht ill lo
indica n that this controller is
controllin the te perature and
that the ater heater is read to
suppl hot ater. (The priorit
can onl
3. Press the up or do n u ons to
o tain the desired te perature
se n .
All hot ater sources are a le to
provide ater at this te perature
se n un l it is chan ed a ain at
this or another te perature
controller.
T
ein elo or close to the ini u flo rate. Increasin the flo rate should
Water te peratures over 125° F (52° C) can cause severe urns or scaldin
resul n in death.
Hot ater can cause first de ree urns ith exposure for as li le as:
3 seconds at 140° F (60° C)
20 seconds at 130° F (54° C)
8 inutes at 120° F (49° C)
Children, disa led, or elderl are at hi hest risk of ein scalded.
Feel ater efore athin or sho erin .
u on on the
e chan ed hile no hot
ater is runnin .)
N TI E
N TI E
N TI E
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KBD Series Manual
While an hot ater is ein provided,
the te perature se n can onl
adjusted et een 98° F and 110° F.
Check local codes for the axi u
te perature se n allo ed hen used
in nursin ho es, schools, da care
centers, and all other pu lic applica ons.
If a ne l installed unit ith a controller
has not een po ered for at least 6 hours
then the te perature ill return to the
default se n of 104° F (40° C) if po er is
interrupted.
There a e a varia on et een the
te perature displa ed on the
te perature controller and the
te perature at the tap due to eather
condi ons or the len th of pipe to the
ater heater.
e
ater
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