VAI 3-MWN-U_EN - 10/13 - Vaillant
- 22 -
OPERATING INSTRUCTIONS
7.8
Indicators of the indoor unit
Fig. 7.21 Overview of the display in the indoor unit.
Legend
1 HEATING indicator
2 COOLING indicator
3 TEMPERATURE indicator
4 ON-OFF indicator
5 DEFROST indicator
7.9
Emergency operation
Only use this function when the remote controller is broken or
has been mislaid.
In order to activate:
•
Press the emergency operation switch.
•
A beeping noise is heard which indicates that the function
has been put into operation.
Fig 7.22 Emergency operation/operation test switch.
Operating sequence:
• With the first press of the button, the unit enters into Auto
mode.
•
With the second press of the button, the unit switches off.
i
NOTE:
During Emergency Operation, the unit operates in
AUTO mode by default.
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