First EMV100 800 Series Manual page 87

For this way of use, you have to cut jumper, which is shown on
lower picture.
This action causes activity for only one heating source. They
never work at the same time. Priority has pump for solar heating.
If there is not enough solar energy, el. heater heats water.
WARNING:
In this way of use, the LED indicator does not show working
of el. heater.
It shows only need for heating sanitary water.
2.5 EXAMPLES OF USE
example: 4
Heating water with solid fuel boiler. When there is not enough
energy, the water in storage tank is after-heated by el. heater.
example: 5
Heating sanitary water by central heating water. When energy
of central heating water is too low, the water in storage tank is
after-heated by el. heater.
Electric connection for example 4 and 5
7 (2W) - Electric motor actuated ball valve
EMV 110..series 602, 502
DTC 200/2G
Jumper position
> HEATING <
87
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