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Remote controller
USER'S MANUAL
Model
RC-9018C
Note to Owner:
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.
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.
SHC8053
Rev. 10/16
<Operation Guide>
Contents
RC-9018C Operation Overview............................ 2
Remote Controller ............................................. 4
System Check ....................................................... 6
Functions
Clock Adjustment ............................................ 8
Using the Water Heater ................................... 9
Setting Hot Water Temperature ..................... 10
Locking the Remote Controller ..................... 14
Recirculation System Setting
For System [Rcrc]
Flow Meter Alarm .............................................. 22
Troubleshooting .................................................. 24
Follow-up Service ................................................ 26
Default Settings ................................................... 27
*SHC8053*
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Table of Contents
Related Manuals for Noritz RC-9018C
Summary of Contents for Noritz RC-9018C
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Page 1: Table Of Contents
Remote controller USER’S MANUAL <Operation Guide> Contents Model RC-9018C Operation Overview......2 RC-9018C 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”... -
Page 2: Rc-9018C Operation Overview
RC-9018C Operation Overview Basic operation It is possible to It is possible to lock [ For recirculation systems ( automatically turn remote controller It is possible to circulate hot water only the water heater operation. during preferred times of day. - Page 3 User Preferences The remote controller can be customized based on the preference of the user in the following ways: The set temperature can be The clock display can be The remote controller restricted to a maximum level shown even though the power display can be turned to prevent high temperature ON/OFF button is set to "OFF".
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Page 4: General Parts
General Parts Remote Controller (RC-9018C) The remote controller will emit a tone when a button is pressed. Alarm Off Button Prog Button / Indicator (Red) / Indicator (Red) Activates the automatic water heater power Stops the tone that is emitted “ON”... - Page 5 Screen Display * 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.
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Page 6: System Check
System Check If you press the button, you can check the status of the system (Display Screen Example [System [Rcrc] ]) Cover shown in the open position. System Displayed on System Description the Remote Controller 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. - Page 7 Depending on the configuration of your system, not all functions may be used. General System Diagram Applicable Remote * The number of water heaters, fixtures, and Controller Functions pumps will vary depending on the configuration of the hot water system. Water heater When you start using the system, cold Functions other than...
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Page 8: For All Systems
Clock Adjustment For All Systems Cover shown in the open position. Operation Screen Display Description * This adjustment can be made Press the button regardless of whether the inside the cover. button is ON/OFF. Press the button. * The time changes in 1-minute increments with each press 1) Use the buttons to... -
Page 9: Using The Water Heater
Using the Water Heater For All Systems is displayed, hot water will be discharged at the temperature of the storage tank. Operation Screen Display Description For systems with recirculation operation, * The indicator is lit. button is "ON". is displayed here. * The previously set hot water supply temperature is shown. -
Page 10: Setting Hot Water Temperature
Setting Hot Water Temperature For All Systems * If is displayed, hot water will be discharged at the temperature of the storage tank. Cover shown in the open position. Operation Screen Display Description * The indicator is lit. button is "ON". * The previously set hot water supply temperature is shown. - Page 11 Temperature Setting Options °C : When using °C mode: < Display when high temp is set > The temperature settings below are examples. The temperature setting necessary depends on the usage, the length of piping and the time of year. Blinks for approximately 10 seconds Lit.
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Page 12: Automatic Water Heater "On" Or "Off" Operation
Automatic Water Heater “ON” or “OFF” For All Systems * If you set the time to turn "ON" or "OFF" the button, the button is automatically turned "ON" or "OFF" at the set time every day by just turning the button "ON". - Page 13 Operation Hint for operation Follwing this procedure allows for automated control of water heater operation without user interaction. * The setting time shown on the display of the remote controller is for example purposes only. Ex. 1: Both "ON" and "OFF" Ex.
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Page 14: Locking The Remote Controller
Locking the Remote Controller For All Systems By locking the remote controller, the settings cannot be accidentally changed if a button is pressed by mistake. Cover shown in the open position. Operation Screen Display Description * The operation can be locked Press and hold button regardless if the... -
Page 15: Customizable Settings
Customizable Settings <Misc settings> -1 For All Systems Adjusting the Maximum Output Display Screen Power Saving Mode Temperature. [powersave dsply] The maximum output temperature To conserve power consumption by can be limited to prevent discharging the display, it can be turned off hot water at too high of a temperature. - Page 16 Customizable Settings <Misc settings> -2 For All Systems Adjusting the brightness of the <System dependent option> Muting the remote controller. display screen when the remote Error Tone Settings. The remote controller can be muted controller is turned on. so that it does not emit a tone when The remote controller can be muted a button is pressed.
- Page 17 Draining the Water Heater. Restoring Default Settings. Refer to "Preventing Damage Select settings can be restored to from Freezing" as shown in the the factory default conditions. Owner’s Guide provided with See items marked with a in the the water heater.) “Default Settings”...
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Page 18: Enabling Automatic Recirculation Operation
Enabling Automatic Recirculation Operation * To check system status. ( P6) * When “synchro ON/OFF” is set to “No”, recirculation can be activated manually. * To change “synchro ON/OFF” from “No” to “Yes”, follow the same procedure as described below. Cover shown in the open position. -
Page 19: Manually Stopping Recirculation Operation
Manually Stopping Recirculation Operation Recirculation operation can be manually stopped or started using this procedure. Cover shown in the open position. Operation Screen Display Description * You can set this function if the 1) Press the button button is "ON". inside the cover, Select "Recirc menu"... -
Page 20: Setting The Recirculation System Operation Timer
Setting the Recirculation System * With the recirculation operation timer set, hot water will be automatically circulated in the hot water pipes. Even with this function activated, it may take several minutes for hot water to be completely circulated through the plumbing system. Set the timer to activate the recirculation system prior to the first use of hot water to ensure hot water is instantly available. - Page 21 Operation Timer Operation Screen Display Description * Every time when you press the 1) Select "AM8:00" using button, the time changes by one hour. [To keep the current “End” time] buttons. Here Press the button without 2) Press the button to changing the "End"...
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Page 22: Single Water Heater Only
Flow Meter Alarm Single Water Heater Only If the flow meter alarm is being used to indicate when water delivery volume is reached to the preset volume. • If any hot water is being used besides what is going into the tub, the alarm will sound before the tub is full. - Page 23 Operation Screen Display Description Turn on hot water. Lit during combustion If the hot water temperature has been The highest temperature set so that it does not require mixing, set the mixing valve to its highest setting. The hot water in the bathtub may become lukewarm if it is mixed with cold water at the fixture.
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Page 24: Troubleshooting
Troubleshooting This section only covers issues with the remote controller. To diagnose issues with the water heater, consult the Owner’s Guide supplied with the water heater. Problem Possible Cause Action The power ON/OFF indicator There has been a power failure. Wait for power to be restored. - Page 25 Checking for Error Conditions When a failure occurs, information relating to the error blinks on the display. The error alarm may also continuously sound. For additional details on the cause of the error displayed, refer to the “Troubleshooting” section in the Owner’s Guide provided with the water heater.
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Page 26: Follow-Up Service
Follow-up Service Requesting Service * Service and warranty periods are based on the type of product and the application type. Refer to the Limited Warranty provided with the water heater for complete details. * Refer to the "Troubleshooting" section in this manual as well as the Owner’s Guide supplied with the water heater. -
Page 27: Default Settings
Default Settings Items Default setting Clock display (unset) Hot water temperature 40˚C Hot water volume alarm off Customizable Settings ( P15 - 17) Default setting Maximum Output Temperature 85˚C "Powersave dsply" and clock display No-1 Brightness of the display screen when Normal the remote controller is turned on.