Description
- Resideo Heating controller SDC9-21
- Weather-compensated
- flow temperature control for
- wall mounting with terminal compartment for
- sensor and 230V connection separately.
- Application:
- For a mixed control circuit with
- automatic switchover to
- cooling function, 1 direct heating circuit,
- variable boiler control with 1.2-stage
- or modulating burner or
- optional control of a
- district heating valve and
- domestic hot water control. Additional functions
- through 2 variable outputs (e.g. for 1
- solar loading pump, 1 circulation pump or
- other functions) and 3 variable
- sensor inputs.
- Operation:
- Large control button (press/turn) for
- easy operation and commissioning.
- Function:
- Non-volatile basic program, daily
- weekly and holiday program for each
- control circuit, heating limits, optimization,
- ramp function, room activation,
- fault message display and OpenTherm bus.
- A 2-wire bus enables
- remote operation for each control circuit and
- a system expansion of up to 5 SDC
- controllers.
| Shipping weight: | 2,02 kg |
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