Resideo SDC9-21 Wall-Mounted Heating Controller

Resideo Heating Controller SDC9-21
Weather-compensated flow temperature control for wall mounting with separate terminal compartments for sensor and 230V connection.
Application:
For one mixing control circuit with automatic switchover to cooling function, 1 direct heating circuit, a floating boiler control with 1,2-stage or modulating burner or optionally the control of a district heating valve, and hot water control. Additional functions through 2 variable outputs (e.g. for 1 solar charging pump, 1 circulation pump or other functions) and 3 variable sensor inputs.
Operation:
Large control knob (push/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 influence, fault display and OpenTherm bus. A 2-wire bus enables remote control for each control circuit and system expansion to up to 5 SDC controllers.
Number of analog inputs: 10
Number of digital inputs: 3
Number of analog outputs: 0
Number of digital outputs: 9
Supply voltage: 230 V
Degree of protection (IP): IP30
Temperature controller class: VII
Height: 96 mm
Width: 285 mm
Depth: 90 mm
Brand: Resideo
Type: Honeywell Home