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WITA® fixed-setpoint controller

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Product advantages of the fixed setpoint controller:
• Easy assembly and configuration
• Temperature range
• Selectable temperature range
• Selection of hydraulic systems is 0 – 50 oC
• Selection and configuration of rotation direction
• Digital display of temperatures
• Setting of heating or cooling mode
• Signaling of the rotation direction
• Signaling in case of broken sensor
• PID control of mixing valves and other valves
• Protection against frost and overheating
• Blockage resistant

Characteristics

SM WR 05 FR                                       SM WR 06 FR                        SM WR 20 FR

Torque:

5 Nm                                                            06 Nm                                          20 Nm

Rotation angle:

90°                                                                90°                                                90°
Rotation Speed: 2 min / 90°                                               2 min / 90°                                   2 min / 90°
Operating mode:

Circulation pump control

Control output

3-Point, PDI                                             3-Point, PDI                                 3-Point, PDI

–                                                                     –                                          2-Point (ON/OFF)

–                                                                     –                                          solid stay relay, 1 (1)A-,250V

Supply voltage: 230 VAC, 50Hz                                        230 VAC, 50Hz                           230 VAC, 50Hz
Power consumption: max. 5 W                                                   max. 5 W                                      max. 5 W
Power consumption during standby: max. 0,5 W                                               max. 0,5 W                                   max. 0,5 W
Ambient temperature: 0–50 °C                                                    0–50 °C                                         0–50 °C
Protection: according to EN 60730-1                     according to EN 60730-1           according to EN 60730-1
Protection class: IP 42 acc. EN60529                               IP 42 acc. EN60529                    IP 42 acc. EN60529
Dimensions (w x l x h): 95 x 80 x 92 mm                                    95 x 80 x 92 mm                          95 x 95 x 92 mm
Weight: ca. 900 g                                                   ca. 900 g                                       ca. 1000 g
Colour / material: grey / polycarbonate                             grey / polycarbonate                   grey / polycarbonate