Relay Option - Cosmo Multi 3 Montage- Und Bedienungsanleitung

9. HEATING
Voltage signal in V
Set boiler temperature in °C
Adjustment
Description
channel
Hysteresis Correction hysteresis
Correction Correction of the voltage signal
Min. runtime Minimum runtime option
tMin Minimum runtime
Manual mode Operating mode for shared relays
Pump 1 (2) Shared relay option for loading
pump
Pump 1 (2) Pump submenu
Output Output selection
Delay Pump delay
TOn Boiler start-up temperature
Duration Delay to a demand
Overrun Pump overrun
TOff Remaining boiler temperature
Duration Delay to a demand
Sen. boiler Boiler sensor selection
Manual mode Manual mode of output
Valve 1 (2) Shared relay option for valve
Valve 1 (2) Valve submenu
Output Output selection
Manual mode Manual mode of output
back
Every demand can be carried out by means of a relay and/or a 0-10 V output. If both the Relay
and the 0-10 V option are activated, the demand uses both outputs in parallel.
Example:
The potential-free relay R7 can be allocated to the shared relay Dem. 1, for example. R7 will
then become available for potential-free boiler demand in the heating circuits and e.g. the DHW
heating function.

Relay option

If the Relay option is activated, the submenu Relay appears, in which a relay can be allocated
to the demand.
The Boiler pr. min option is used for protecting a boiler against cooling. If the temperature
falls below the adjusted minimum temperature, the allocated relay will be energised until the
minimum temperature is exceeded by 5 K.
The Boiler pr. max option is used for protecting a boiler against overheating. If the adjusted
maximum temperature is exceeded, the allocated relay will be switched off until the tempera-
ture falls by 5 K below the maximum temperature.
For this purpose, a boiler sensor is required.
0-10 V option
If the 0-10 V option is activated, the submenu 0-10 V appears, in which a 0-10 V output can be
allocated to the demand.
With this option, the controller can demand modulating heat generators equipped with a 0-10 V
interface.
The characteristic curve of the 0-10 V signal as a function of the set boiler temperature is
defined by means of 2 set points according to the specifications of the boiler manufacturer. At
a temperature of TSet 1, the voltage signal of the heat generator is Volt 1. At a temperature
of TSet 2, the voltage signal of the heat generator is Volt 2. The controller automatically calcu-
lates the characteristic curve resulting from these values. If the permanent voltage option is
activated, the parameter Volt appears, by means of which a minimum voltage that is perma-
nently applied to the output can be defined.
Adjustment
range / selec- Factory setting
tion
0.5 ... 20.0 K 1.0 K
0.0 ... 1.0 V 0.1 V
Yes, No No
0 ... 120 min 10 min
Max., Auto, Off, Auto
Min.
Activated, Deacti- Deactivated
vated
- -
system dependent system dependent
No, Time, Temp. No
10 ... 90 °C 60 °C
0 ... 300 s 60 s
No, Time, Temp. No
10 ... 90 °C 50 °C
0 ... 300 s 60 s
system dependent system dependent
Max., Auto, Min., Auto
Off
Activated, Deacti- Deactivated
vated
- -
system dependent system dependent
Max., Auto, Min., Auto
Off
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