User guide

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Stand alone controllers
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Digital temperature controller with real time clock, LC-display, pushbuttons, setpoint potentiometer,
and 1 control-output.
For valve or damper control in air- or water temperature applications.
Accessories
Temperature controller with clock, 1 control output, Micronik200
Control output signal 2 triacs (24V~, 450mA) configurable for 2-pt, 3-pt, PWM or 2/3-stage
control
Plant output 1 on/off output (24V~) for plant, pump, fan etc.
Control functions main temperature control, limit control, cascade control, outside air
compensation control
Main setpoint adjustment built in setpoint potentiometer, or external potentiometer
Modes of operations off, night, standby, comfort, optimum start, night cycle, summer/
winter change-over, frost protection
Clock functions yearly real time clock with 3 holiday schedules, week program with 6
switching points/day; automatic daylight saving programs
Parameter settings temperature setpoints, throttling ranges, reset time, summer/winter
compensation authority, sensor calibration etc.
Analogue input functions 3 inputs for: main-, limit/cascade-, and compensation temperature
sensors
Applicable sensor types Pt1000, Balco500, NTC20k
Digital input functions frost protection with external contact
Special input functions occupancy- or summer/winter changeover contact
Mounting back panel, wall, DIN-rail or front door (with additional mounting
frame)
Protection class IP30, IP40 (front panel mounting)
Wiring connection screw terminals, max. 1 x 1,5 mm
2
Power supply 24 Vac; 3 VA
Main temperature control
range
0 ... 50
o
C
Additional main temperature
control range
0 ... 130
o
C
Housing (HxWxD) 105 mm; 152 mm; 37 mm
Type
R7426A2014
Front panel mounting frame
43193862-001