Rc-9018M Operation Overview - Noritz NC1991-OD-LP Owner's Manual

Tankless gas water heater
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RC-9018M Operation Overview
It is possible to
automatically turn
the water heater
"ON" or "OFF".
Automatically
turned "ON"
Automatically
turned "OFF"
[When using only one water heater:]
It is possible to set the remote controller to
alert the user when the
bathtub has reached
a preset fill volume
to prevent overfilling.
Power Saving Mode
If you set "Powersave dsply" to "Yes" (
unnecessary power consumption by the remote
controller is prevented. If approximately ten minutes
pass without using hot water or without pressing a
button, the display of the remote controller turns off.
* If you use hot water or press a button, "Powersave dsply" is released.
If you press the PROG button only once, "Powersave dsply" is released and the automatic program
function will operate.
* If the setting temperature is set to 125°F/55°C or more, "Powersave dsply" will not function to prevent
accidental scalding.
* If "Recirc" is operating, "Powersave dsply" will not function.

Basic operation
It is possible to lock
remote controller
operation.
p.20
Pi Pi !!
The initial setting is set to "Powersave dsply : No-1"
[ For recirculation systems (
It is possible to circulate hot water only
during preferred times of day.
p.22
p.30
p.23),
The display turns off
(operation is "ON")
This setting is adjustable
)]
p.28
p.23

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