Noritz RC-9018C Manuale utente
SHC8053
Rev. 10/16
Remote controller
USER’S MANUAL <Operation Guide>
*SHC8053*
Model
RC-9018C
Thank you for purchasing this Remote controller.
* Please read this User’s Manual carefully to ensure appropriate use.
* These operating instructions describe the functions of this remote controller.
Keep these instructions where they can be found whenever necessary, preferably in the same location
as the Owner’s Guide provided with the water heater.
This User’s Manual provides additional details
on the operation of this remote controller not
covered in the water heater Owner’s Guide.
Keep this and all manuals provided with the
water heater for future reference.
Note to Owner:
RC-9018C Operation Overview............................ 2
General Parts
Remote Controller ............................................. 4
System Check....................................................... 6
Functions
For All Systems
Clock Adjustment ............................................ 8
Using the Water Heater ................................... 9
Setting Hot Water Temperature..................... 10
Automatic Water Heater “ON” or “OFF” Operation
..
12
Locking the Remote Controller..................... 14
Customizable Settings <Misc settings>....... 15
Recirculation System Setting
For System [Rcrc]
Enabling Automatic Recirculation Operation
.... 18
Manually Stopping Recirculation Operation
.. 19
Setting the Recirculation System Operation Timer
.... 20
Single Water Heater Only
Flow Meter Alarm.............................................. 22
Troubleshooting .................................................. 24
Follow-up Service................................................ 26
Default Settings ................................................... 27
Contents
2
RC-9018C Operation Overview
Power Saving Mode
If you set "Powersave dsply" to "Yes" ( P15),
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.
This setting is adjustable P15
[When using only one water heater:]
It is possible to set the remote controller to
alert the user when the
water delivery volume
has reached a
preset fill volume.
P22
It is possible to lock
remote controller
operation.
P14
It is possible to
automatically turn
the water heater
“ON” or “OFF”.
[For recirculation systems ( )]
It is possible to circulate hot water only
during preferred times of day.
P12 P20
Automatically
turned "ON"
Automatically
turned "OFF"
Pi Pi !!
Basic operation
The initial setting is set to "Powersave dsply : No-1"
* 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 55°C or more, "Powersave dsply" will not function to prevent
accidental scalding.
* If "Recirc" is operating, "Powersave dsply" will not function.
The display turns off
(operation is "ON")
3
The remote controller can be customized based on the preference of the user in the following ways:
The remote controller
display can be turned
off to save power.
The clock display can be
shown even though the power
ON/OFF
button is set to "OFF".
What time is it now?
Can I save
power?
The brightness of the
remote controller can be
adjusted for
better visibility.
Additional Settings
P17 "Draining the Water Heater"Draining the water heater (freeze prevention).
P17 "Restoring Default Settings"Restoring default remote controller settings.
The set temperature can be
restricted to a maximum level
to prevent high temperature
settings from
being selected.
P15
The remote controller can be
muted so that it does not emit a
tone when a button is pressed.
Pi
Pi ! Pi !
User Preferences
Adjusting the Maximum
Output Temperature
Remote Controller Display
Brightness Settings P16
The remote controller can be
muted so that it does not emit
a tone when an error occurs.
Power Saving Modes P15
Error Tone Settings P16
Muting the
Remote Controller P16
4
The remote controller will emit a tone when a button is pressed.
Remote Controller (RC-9018C)
General Parts
Activates the automatic water heater power
“ON” or “OFF” setting as determined by the
user selected schedule. ( P13)
For turning the water heater
on/off.
( Next page)
Locks remote controller
operation. ( P14)
Check the status of the
system or the number of
installed units
( P6,26)
Returns to the previous
screen while making system
settings or checking status.
Confirms changes
made by the user.
For setting the hot water
temperature ( P10),
the flow meter alarm,
and other settings.
Remote Controller
Part Number
* Use to change system
settings or to return to
the home screen.
*
If you press the menu button
and press the temperature
setting buttons,
is sometimes displayed,
however, do not use this
mode as it meant for
installation or service
personnel only.
Stops the tone that is emitted
when an error occurs. ( P25)
Cover shown in
the open position.
Prog Button / Indicator (Red)
Power ON /OFF Button
/ Indicator (Green)
Menu Button
Back Button
Alarm Off Button
/ Indicator (Red)
Speaker
Display Screen
Status Button
Lock Button
Enter Button
Hot Water Temperature
Setting Buttons
The part number
is printed on the
surface of the cover.
5
(Ex.: AM10:15)
Normally the clock display is not shown when
the power ON/OFF button is "OFF".
* This setting can be changed so that the clock is displayed
even when the power button is turned "OFF". ( P15)
* The screen display shown below is for illustration purposes only.
The actual display will vary depending on how the water heater is being used.
* After a button is pressed, the display will gradually become darker to prevent unnecessary power consumption
by the remote controller.
(Ex.: 40°C)
The flame symbol is displayed during
combustion when using hot water or
recirculation functions.
A number will flash if a
failure occurs. ( P25)
<Home Screen Example>
Screen Display
What is the home screen?
The home screen is displayed when the button is "ON".
Normally, the hot water temperature and the clock, etc. are displayed.
Flame Symbol
During normal operation, the set
temperature is displayed.
Display for Recirculation Operation
Display for High Temperature
Temperature Setting
Clock Display
Error Code
*
For systems that use recirculation operation, the symbol
is displayed when the power ON/OFF button is set to "ON".
*
It is displayed during the recirculation operation.
( P9)
Display for Temperature Setting
The lock symbol is displayed
when the remote controller is
locked. ( P14)
Locked Display
The clock symbol is displayed
when the recirculation timer is
activated. ( P21)
Recirculation Timer
Displays when the set temperature
is 55°C or higher.
( P11)
6
System Check
System Displayed on
the Remote Controller System Description
Water heater only operation.
* Water heater and recirculation operation.
* During recirculation operation, hot water is
always circulated in the piping to provide
instant hot water when a fixture is opened.
[If you set the
button
to "ON",
is displayed. (If "synchro ON/OFF"
is set to "ON". (
P18))]
* Water heater combined with a storage tank
operation.
* If a recirculation system is also installed,
hot water is always circulated in the piping
to provide instant hot water when a fixture
is opened.
[If you set the
button
to "ON",
is displayed.]
Cover shown in
the open position.
(Display Screen Example [System [Rcrc] ])
If you press the button, you can check the status of the system
7
General System Diagram
* The number of water heaters, fixtures, and
pumps will vary depending on the configuration of the hot water system.
Applicable Remote
Controller Functions
Functions other than
those shown on pages
18 to 21 can be used.
All functions
can be used.
Functions other than
those shown on pages
18 to 23 can be used.
Depending on the configuration of your system, not all functions may be used.
When you start using the system, cold
water in the piping must be discharged
before receiving hot water.
Water heater
Water heater Instant hot
water is
available.
Hot water is circulated
in the piping.
Pump
Hot water
storage
tank
Instant hot
water is
available.
Water heater
PumpPump
Hot water is circulated
to the tank.
8
For All Systems
Clock Adjustment
* This adjustment can be made
regardless of whether the
button is ON/OFF.
1
2
(Ex: AM10:15)
Cover shown in
the open position.
31)
2)
The screen returns to the previous screen.
Press the button
inside the cover.
Press the button.
1) Use the buttons to
reset the clock.
2) Press the button
to complete the clock setting.
* The time changes in 1-minute
increments with each press
of the button, and then in
10-minute increments if the
button is kept pressed down.
*
If the display is left untouched for
approximately 20 seconds without
pressing the
button
, the
setting will be completed. When
the
button is turned ON, the
home screen will be restored.
* In the event of a power outage or after disconnecting power to the water heater, when power is
restored, the clock on the display screen will show " - : - - " and the clock will need to be reset.
*
Normally, when the
button is turned OFF, the clock display disappears, but it is possible to display
the clock when the
button is turned OFF by changing a setting.
( P15)
Operation Screen Display Description
9
* The indicator is lit.
* The previously set hot water
supply temperature is shown.
[For systems with recirculation operation]
*
If you set the button to "ON",
recirculation operation is automatically started.
(If "Synchro ON/OFF" was set to "ON".( p.18))
*
The setting temperature displayed
may vary from the actual temperature
at the fixture depending on conditions
such as season or length of piping.
* During operation, the symbol
may be continuously lit.
1
2Turn on hot water.
Lit during combustion
Check (Ex.: 40°C)
Turn off hot water. Unlit
DANGER
High Temperature
To prevent scalding :
Hot Water Heater temperatures over 50°C can cause severe burns
instantly or death from scalding.
For All Systems
Using the Water Heater
* If is displayed, hot water
will be discharged at the temperature of the
storage tank.
For systems with recirculation operation,
is displayed here.
button is "ON".
Turn off the hot water
Operation Screen Display Description
• Children, disabled and elderly are at the highest risk of being scalded.
Feel water temperature before bathing or showering.
Temperature limiting valves are available, ask a professional person.
•
When setting the unit to 55°C or higher, “Hi temp” will flash for 10 seconds and emit a tone as a high
temperature warning.
•
Take caution when using the unit again after setting to 50
°C or higher. Always check the set temperature
before use.
• Do not allow anyone to change the water temperature while hot water is running.
10
* The indicator is lit.
* The previously set hot water
supply temperature is shown.
1button is "ON".
2Set the temperature using
the
buttons inside
the cover
.
(Ex.: 40°C)
(Ex.: 42°C)
Cover shown in
the open position.
* If is displayed, hot water
will be discharged at the temperature of
the storage tank.
For All Systems
Setting Hot Water Temperature
Operation Screen Display Description
DANGER
High Temperature
To prevent scalding :
Hot Water Heater temperatures over 50°C can cause severe burns
instantly or death from scalding.
• Children, disabled and elderly are at the highest risk of being scalded.
Feel water temperature before bathing or showering.
Temperature limiting valves are available, ask a professional person.
•
When setting the unit to 55°C or higher, “Hi temp” will flash for 10 seconds and emit a tone as a high
temperature warning.
•
Take caution when using the unit again after setting to 50
°C or higher. Always check the set temperature
before use.
• Do not allow anyone to change the water temperature while hot water is running.
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