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TAC 2112, Manual Troubleshooting
6:2(
2
), 0-004-7459-3 (GB) 1999-08-01, TAC AB
Problem Check (that) ...
The calculated setpoint does
not seem to be correct
•
the effect from the remote heating
control (SPC, P 80) is reasonable
The pump is not running
•
if the pump has stopped due to a
high outdoor temperature or a low
supply temperature (see chapter 7)
The heating is not affected by
the remote control signal
(SPC)
•
the parameter SPC effect at +10 V
(P 81) is set correctly (see chapter 7)
No night setback occurs
•
the controller is in “timed operation”
or “fixed night setback” mode (see
chapter 7)
•
the weekly program is set correctly
(see chapter 7)
•
the parameters for night setback are
set correctly (see chapter 4). If the
outdoor temperature is less than the
limit for 0% night setback, night
setback will not occur.