Installation and Service Manual Upsilon-Series
34
3. 0-10Volt-control
At a heat demand of the 0-10 Volt controller a signal is sent out and varies from 0-10
Volt. This signal is translated by the Upsilon boiler to a set value (desired ow water
temperature or load) which is send via the data bus to the boiler(s). Depending on the
Voltage the set value becomes higher or lower.
The 0-10 Volt-controller must be connected to terminal 3, position 9 and 10.
The choice for temperature or load control can be done by a parameter setting.
Go to Setting level and Param. Chapter, than to Cascade Param. and select P101.
When P101 is adjusted to 1 the loadcontrol is set. On that moment P205 until P210 in
chapter Cascade Param. is released and can be adjusted according to specic requests.
When P101 is adjusted to 2 the temperaturecontrol is set. On that moment P215 until
P220 in chapter Cascade Param. is released and can be adjusted according to specic
requests.
See chapter 11 for the adjustment possibilities.
ADVICE:Choosefortemperaturecontrolforamorebalancedboilercontrol
Behaviourofconnectedexternalcontrols
- When using an OpenTherm or 0-10Volt control and a clock program is selected, the
clock program of the Upsilon will be ignored.
- When an on/off control is connected and the thermostat is switched on manually before
the pre-setted switch-on time, the clock programm will be ignored and will run on the
set day temperature. When swithing off manually the clock program will be followed.
0-10Volt
Open-
Therm
On/Off
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