Operating Instructions; Features Available On Temperature Controllers - Rinnai RL75I Operation And Installation Manual

The MC-91 temperature controller is supplied with the RL75, RL94, and R98LS models. Additional functions are
available through the use of optional controllers.
There are several models of temperature controllers that can be purchased separately. Their description,
operation, and installation is provided in this manual in case additional temperature controllers are purchased and
installed.

Features Available on Temperature Controllers

Features
Call
Clock
Error Codes
Function
In Use Indicator
ON/OFF Button
Power Save
Priority Button /
Indicator
Sound Volume
Temperature Display
Thermostat
Water Smart / Bath Fill
Button / Indicator
Water Volume
6

Operating Instructions

Sends a short series of beeps to all controllers in the system. It is
not an intercom.
12 hour AM/PM clock. (The MC-100 must be installed for clock
to work on the BC-100.)
When a fault is detected an error code flashes at the temperature
display on models MC-91, MCC-91, and MC-502; and flashes at
the clock display on models MC-100 and BC-100.
Used on this model to set the clock or sound volume.
Indicates that hot water is being supplied (i.e. a hot water tap is
open).
Used to turn the water heater ON or OFF.
Allows the temperature controller to be in an energy saving
mode.
Indicates that this controller is setting the temperature . Priority
can be switched to another controller by pressing its Priority
Button when no hot water is running.
Used to adjust the voice prompt volume.
Shows the temperature setting.
Increases or decreases the temperature setting.
Used to select the Water Smart / Bath Fill Function to fill a bath
with a predetermined volume of water.
Used to select the water volume for the Water Smart / Bath Fill
Function.
VB Series Indoor LS Manual
Description