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V53i & V53e Operation and Installation Manual 5
Features Available on Temperature Controllers
Operating Instructions
The V53i and V53e models do not come with a temperature controller. There are several models of temperature
controllers that can be purchased separately. Their description, operation, and installation are provided in this
manual in case a temperature controller is purchased and installed.
A maintenance display or status monitor is provided in the front panel to indicate operating status and error codes.
The temperature controllers below can be used with the V53i and V53e.
Features
MC-91
MC-100
BC-100
MC-502
Description
Call
Sends a short series of beeps to all controllers in the system. It is
not an intercom.
Clock
12 hour AM/PM clock. (The MC-100 must be installed for clock
to work on the BC-100.)
Function
Used on this model to set the clock or sound volume.
In Use Indicator
Indicates that hot water is being supplied (i.e. a hot water tap is
open).
ON/OFF Button
Used to turn the water heater ON or OFF.
Power Save
Allows the temperature controller to be in an energy saving
mode.
Priority Button /
Indicator
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.
Sound Volume
Used to adjust the voice prompt volume.
Temperature Display
Shows the temperature setting.
Thermostat
Increases or decreases the temperature setting.
Water Smart / Bath Fill
Button / Indicator
Used to select the Water Smart / Bath Fill Function to fill a bath
with a predetermined volume of water.
Water Volume
Used to select the water volume for the Water Smart / Bath Fill
Function.
MCC-91
Error Codes
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.