Connections and displays 230 V #
1 – Boiler connection
2 – Pump connection
3 – Protective conductor connection (only for 230 V)
4 – Voltage supply
5 – Fuse
6 – Temperature limiter or dew point sensor
7 – Heating/cooling change-over
8 – Reduction channel, external timer
9 – Thermostat connection
10 – LED
11 – DIP switch “disable cooling”
12 – Connection of actuators
13 – Strain relief
Technical data #
| Operating voltage: | 24 V ±20 %, 50 Hz, |
| | 230 V ±10 %, 50 Hz |
| Power consumption: | max. 50 VA |
| Power consumption (idle): | <1 W |
| Fuse: | 24 V: T2A / 230 V: T4AH |
| Connectable room thermostats: | max. 8 |
| Connectable actuators, type: | A 20×05, AST 20×05, A 40×05, AST 40×05 |
| Connectable actuators: | max. 17 actuators |
| The following applies to other actuators than those mentioned above | |
| Inrush current per actuator: | 230 V: max. 500 mA |
| max. permitted nominal load of the connectable actuators: | 24 V: max. 24 W |
| Pump control switching power: | 2 A, 200 VA induktiv |
| Switch-on delay: | 2 minutes |
| Follow-up time: | 2 minutes |
| Boiler control switching power: | 2 A, 200 VA induktiv |
| Switch-on delay: | 2 minutes |
| Follow-up time: | 2 minutes |
| Pump protection function: | 3 days / 5 min. |
| Valve protection function: | 16 days / 5 min. |
| Control direction of actuators: | NC |
| Ambient temperature: | 0 to 50 °C |
| Storage temperature: | -20 to 70 °C |
| Ambient humidity: | 80 %, non-condensing |
| ERP class acc. to EU 811/2013: | 1=1 % |
| Contamination degree: | 2 |
| Rated surge voltage: | 1500 V |
| Protection class: | 24 V: III / 230V: II |
| Protection type: | IP 20 |
| Function: | Type 1 / type 1.C |
| Dimensions (H x L x D): | 90 x 326,5 x 52 mm |