Remote controller USER’S MANUAL Model Contents RC-9018M RC-9018M 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 .....................
RC-9018M Operation Overview Basic operation It is possible to automatically turn the water heater “ON” or “OFF”. It is possible to lock remote controller operation. [For recirculation systems ( )] It is possible to circulate hot water only during preferred times of day.
User Preferences The remote controller can be customized based on the preference of the user in the following ways: The set temperature can be restricted to a maximum level to prevent high temperature settings from being selected. Adjusting the Maximum Output Temperature The clock display can be shown even though the power ON/OFF button is set to "OFF". is it t time Ca pown I sa er? ve now? Wha Power Saving Modes P15 The brightness of the remote controller can be adjusted for better visibility.
General Parts Remote Controller (RC-9018M) The remote controller will emit a tone when a button is pressed. Prog Button / Indicator (Red) Activates the automatic water heater power “ON” or “OFF” setting as determined by the user selected schedule. ( P13) Power ON /OFF Button / Indicator (Green) For turning the water heater on/off. Alarm Off Button / Indicator (Red) Stops the tone that is emitted when an error occurs.
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. Flame Symbol The flame symbol is displayed during combustion when using hot water or recirculation functions.
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 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".
Depending on the configuration of your system, not all functions may be used. General System Diagram * The number of water heaters, fixtures, and pumps will vary depending on the configuration of the hot water system. Water heater When you start using the system, cold water in the piping must be discharged before receiving hot water. Water heater Instant hot water is available. Hot water is circulated in the piping.
For All Systems Clock Adjustment Cover shown in the open position. Operation 1 2 3 Press the Screen Display Description * This adjustment can be made regardless of whether the button inside the cover. Press the button is ON/OFF. button. 1) 1) Use the buttons to (Ex: AM10:15) reset the clock. 2) Press the button 2) * 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.
For All Systems Using the Water Heater * If is displayed, hot water will be discharged at the temperature of the storage tank. Operation 1 Screen Display button is "ON". For systems with recirculation operation, is displayed here. Description * The indicator is lit. * The previously set hot water supply temperature is shown. [For systems with recirculation operation] * If you set the Check 2 Turn on hot water. (Ex.: 110°F) button to "ON", recirculation operation is automatically started.
For All Systems Setting Hot Water Temperature * If is displayed, hot water will be discharged at the temperature of the storage tank. Cover shown in the open position. Operation 1 2 Screen Display Description * The button is "ON". (Ex.: 110°F) indicator is lit. * The previously set hot water supply temperature is shown. Set the temperature using the buttons inside (Ex.: 105°F) the cover.
Temperature Setting Options For residential products beginning with the prefix "NR" : ( When using °F mode: °F: The temperature settings below are examples. The temperature setting necessary depends on the usage, the length of piping and the time of year. 100 The maximum output temperature can be set using the remote controller. ( p.15) < Display when high temp is set > ) Blinks for approximately 10 seconds 105 110 115 120 125 130 135 140 Washing dishes, etc. Shower, hot water supply, etc.
For All Systems Automatic Water Heater “ON” or “OFF” * 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". Cover shown in the open position. * It is also possible to set only “ON” or “OFF” operation. * For recirculation systems, circulation is started or stopped according to the button condition, "ON" or "OFF".
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" functions are automated. AM 10:00 Ex. 2: Only “ON” function is automated. PM 8:00 AM 10:00 your desired time Ex. 3: Only “OFF” function is automated.
For All Systems Locking the Remote Controller 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 1 Press and hold Screen Display button for approximately 2 seconds to lock the remote controller. Description * The operation can be locked regardless if the button is “ON” or “OFF”. * The operations of and , , buttons are locked.
For All Systems Customizable Settings -1 Adjusting the Maximum Output Temperature. Display Screen Power Saving Mode [powersave dsply] The maximum output temperature can be limited to prevent discharging hot water at too high of a temperature. To conserve power consumption by the display, it can be turned off completely or set to only display the clock when the power ON/OFF button is turned “OFF”. 1 2 1 button is "OFF". Press the button inside using the buttons. Press the button.
Customizable Settings -2 For All Systems Adjusting the brightness of the display screen when the remote controller is turned on. The display screen can be brightened or darkened or the backlight can be turned off completely. 1 Press the button inside the cover, Select Muting the remote controller. The remote controller can be muted so that it does not emit a tone when a button is pressed. Error Tone Settings.
Draining the Water Heater. Restoring Default Settings. ( Select settings can be restored to the factory default conditions. See items marked with a in the “Default Settings” section ( P27). Refer to "Preventing Damage from Freezing" as shown in the Owner’s Guide provided with the water heater.) 1 2 button is "OFF". Press the button inside the cover, Select 1 2 button inside the cover, Select buttons. using the buttons. Press the button. Press the button.
Disabling Automatic Recirculation Operation For * 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. Operation 1 2 3 1) Press the Screen Display button inside the cover, Select "Recirc menu" using the buttons. 2) Press the button.
Manually Stopping Recirculation Operation For Recirculation operation can be manually stopped or started using this procedure. Cover shown in the open position. Operation 1 2 1) Press the Screen Display * You can set this function if the button 1) inside the cover, Select "Recirc menu" using the buttons. 2) Press the button. 1 ) Select "Recirc on/off" using the buttons. 2) Press the button. Description button is "ON".
Setting the Recirculation System For Cover shown in the open position. Operation * 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. * Multiple recirculation time periods can be set.
Operation Timer Operation 4 Screen Display Description 1) Select "AM8:00" using 1) the * Every time when you press the button, the time changes by one hour. Here [To keep the current “End” time] buttons. Press the 2) button to 2) Press the complete the “End” time setting. 1) Select "Add" using 1) the button without changing the "End" time, and proceed to step 5. * You can set multiple operation time periods. buttons. 2) Press the button.
Single Water Heater Only Flow Meter Alarm If the flow meter alarm is being used to indicate when a tub is full: • If any hot water is being used besides what is going into the tub, the alarm will sound before the tub is full. • If there was water in the tub before the fill began, or if the water is not shut off manually when the alarm sounds, the tub may overflow.
4 Operation Screen Display Turn on hot water. Lit during combustion Description If the hot water temperature has been set so that it does not require mixing, set the mixing valve to its highest setting. The highest temperature The hot water in the bathtub may become lukewarm if it is mixed with cold water at the fixture. 5 When the bathtub fills with the preset volume of water, Pi Pi ! an alarm will sound alerting you to shut off I will go to off. turn the water.
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 Action Remote Controller The power ON/OFF indicator does not light up There has been a power failure. Wait for power to be restored. The power plug is disconnected. Check the power plug.
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. Error Code Display Screen The display may indicate the type of failure that has occured depending on the system configuration. To Stop the Error Alarm Press the button (the indicator will turn off).
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. If the problem is not corrected, contact Noritz America Technical Support at 866-766-7489.
Default Settings Items Default setting Clock display (unset) Hot water temperature Hot water volume 110˚F / 40˚C alarm off Customizable Settings ( P15 - 17) Default setting 120˚F / 50˚C Maximum Output Temperature (Residential products begin with the prefix "NR") 185˚F / 85˚C (Commercial products begin with the prefix "NC") "Powersave dsply" and clock display No-1 Brightness of the display screen when Normal the remote controller is turned on.
