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OPERATION AND FUNCTIONS
Figure 6: Operating devices and indicators
1 Operating mode switch
2 LED (error indicator)
3 Temperature selector with scale
4 Temperature sensor (to the side)
T7460H in operation with systems
MCR 35, 36, 40, 200, DHC 23 and EXCEL 500
Operating mode switch
The operating mode switch allows for the selection of three
different functions:
Position Operating
Function
mode
Automatic
Heating is controlled by timer.
Auto
Daytime
Only desired value for day applies.
Switch-off
Heating is switched off. In the event of
danger of frost, the heating pump and
the burner are automatically switched
on.
Note
The operating mode switch of the T7460H does not in
any way influence the domestic hot water program.
Temperature selector
The desired value can be changed only if the
operating mode switch is set to positions Auto or
respectively.
Range:
Mid-point position:
(in relation to controller settings)
LED
Function in operation with MCR 200: The LED is
on if the controller has detected an error.
The LED may also be used with other systems.
The input voltage is
5 – 24 V AC or DC.
–7...+7 °C
0 °C
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