First EMV100 800 Series Manual page 50

DTC 100/2 TDG
CONTROL PANEL
1.........Regulation of maximum required temperature in hot water tank (10°-90°)
2.........Operation switch for operation mode selector (OFF, AUTO, ON)
3.........Display
4.........Control light for pump operation
5.........Control light for burner operation
6.........Key for adjustment of thermostat difference
7.........Key for max. required temperature display or difference decreasing
8.........Key for collector temperature display or difference increasing
USE OF SELECTOR SWITCH FOR MANUAL CONTROL
OFF and ON positions are used only for operation tests. OFF position does not
enables galvanic separation from mains.
TEMPERATURE DISPLAY:
During normal use display shows "T2" witch is the temparature of water
in hot water tank.
If you press "T1" key the display shows the temparature in collectors
(T1).
Temparature remains displayed until the key is presed.
If you press "T2max" key the display shows the maximum temparature
set with the knob (1).
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OFF Irrespective of temperature values, the pump and burner are off.
AUTO Automatic operation of thermostat (normal operation)
ON Irrespective of temperature values, the pump and burner are on.