TAC 2112, Manual Functional Description
7:20 (22), 0-004-7459-3 (GB) 1999-08-01, TAC AB
Circulation pump
The alarm is triggered immediately when the input for the pump alarm
is activated (U3).
Parameters
P No. Parameter Min. Max. Step Default Comments
P 82 Alarm, pump 0 1 1 - 0=no alarm, 1=alarm
P 83 Alarm, supply temp. 0 1 1 - 0=no alarm, 1=alarm
7.7 Memory backup
All parameters set (setpoints, weekly program, etc.) are stored
permanently in the controller. They remain in the controller’s memory
even after a long lasting power cut.
However, the time, date and year (P 15, P16, and P 17) must be reset
after a power cut of more than 48 hours.
7.8 Adjustment of sensor inputs
The value from the outdoor and reference sensors can be parallel-
shifted between –5
°
C and +5
°
C in steps of 0,25
°
C.
Parameters
P No. Parameter Min. Max. Step Default Comments
P 77 Adjustment, outdoor sensor –5 °C 5 °C 0,25 °C 0 °C
P 78 Adjustment, reference sensor –5 °C 5 °C 0,25 °C 0 °C With reference sensor only