Page 1
REMOTE CONTROLLERS IDENTIFICATION MC-91-1US (comes with the unit) MC-100V-1US (optional) BC-100V-1US (optional) The controller(s) for the Rinnai Water Heater allow the customer to control the functions of the water heater and to diagnose certain fault conditions Rinnai America FF Models...
Page 2
Press and hold ‘On/Off’ button for 5 seconds while water heater is OFF. To change back from C to F, please repeat step 1. MUTE To eliminate the beeping sound, press and hold button simultaneously until a ‘beep’ is heard (approximately 5 seconds). FF Models Rinnai America...
Thermostat Sound Volume Water Volume Increases or decreases the desired Used to select the voice prompt Used to select Water Smart / Bath water temperature. volume. Fill volumes. Rinnai America FF Models...
Page 4
Once the hot water is running, if the set temperature is either too hot or cold, press the buttons until the desired temperature is reached. COLD COLD TEMPERATURE CANNOT BE ADJUSTED EXCEPT BETWEEN F AND 110 F WHEN ANY HOT WATER TAP IS OPEN. FF Models Rinnai America...
Page 5
Temperature Controller Up and Down buttons simultaneously for more than 3 seconds. To return to original settings, repeat this step. Avoid getting water in the speaker as this may cause damage. FF Models Rinnai America...
Page 6
= Remain by the bath during the fi lling process. = Use a low bath fi ll volume such as 25 gallons or less. ‘Water Smart / Bath Fill’ button is unavailable with the MSA Controller System. Rinnai America FF Models...
Page 7
Kitchen Controller monitor will go out. COMBINING CONTROLLERS AND DELUXE CONTROLLERS Controller and Deluxe Controller can be combined and will function as described in other sections of this manual. Refer to the table on page 18 FF Models Rinnai America...