TAC 2112, Manual Technical data
TAC AB, 1999-08-01 0-004-7459-3 (GB) 8:1(2)
8 Technical data
Thermistor inputs
Thermistor type...........................................................1800 Ω/25 °C
Meas. range: water temperature........................... 0 °C – +120 °C
room temperature ............................. 0 °C – +45 °C
outdoor temperature ..................... –30 °C – +45 °C
Accuracy
1
: –50 °C – +2 °C .............................................. 0,3 °C
+2 °C – +55 °C.............................................. 0,1 °C
+55 °C – +120 °C.......................................... 0,3 °C
Relay outputs
Max. voltage ............................................................max. 250 V AC
Max. current................................................................................ 2 A
Inputs
Sensor inputs, B1–B4, U1, U4............thermistor inputs (see above)
Remote control of heating (SPC), U2.............................2–10 V DC
Pump alarm, U3 ............................................... closing contact to M
Extended daytime operation, X1 ..................... closing contact to M
Forced night setback, X2 ................................. closing contact to M
Outputs
Circulation pump, K1 .................................relay output (see above)
Morning heating, K2...................................relay output (see above)
Buzzer alarm, K3 ........................................relay output (see above)
Weekly program 2, K4................................relay output (see above)
Open heating valve, K5...............................relay output (see above)
Close heating valve, K6 ..............................relay output (see above)
Additional connection to outdoor temperature, Y2........0–10 V DC
1
The accuracy of the sensor has not been included.