
23
If MODE LS
7 V min? Select minimum voltage value for LS link
8 V max? Select maximum voltage value for LS link
9 m³/h≡Vmin Select airflow corresponding to Vmin
10 m³/h≡Vmin Select airflow corresponding to Vmax
11 % on K3? Select the multiplier for the modulated airflow when contact between terminals +12V and
K3 in the TAC4 DT is closed, or if position III is activated on the RC TAC4.
NEXT if MODE CA or LS
12 %EXH/SUP Choose the rate between the exhaust airflow (fans F3,F4) and the supply airflow (F1, F2)
13 CONFIG
TIME? N Select Y to configure time and date
14 TIME
SEGMENT? N Select Y to activate the time segment scheduling function
Complete information is available on the PLC website : www.lemmens.com
15 PRESSURE
ALARM? Pressure alarm is optional. If you do not wish to set a pressure alarm select N(o),
otherwise select Y(es)
16 ∆P SUP If you have selected Y: Type in the pressure increment for the supply airflow.
17 ∆P EXH Type in the pressure increment for the exhaust airflow.
18 INIT Pa REF? Do you wish to (re-)configure the reference pressure for the supply and the exhaust
airflows? Y or N. (this is optional if it has been done previously)
19 m³h INIT If you have selected Y: enter nominal airflow at which you wish to initialize the reference
pressure. (same airflow for exhaust and supply air)
20 Pa REF INIT
xxxx m³h
xxxx Pa
Initialisation of the reference pressure busy. After 1 minute the CB will memorize the
value of the calculated static pressure on the fan once the INIT airflow is reached.
Display of instant value of airflow and pressure while initializing.
21 ALARM
RESET? Possibility to reset the alarms Y or N
22 END SETUP The setup is then completed.
If MODE CPs
7 CPs on
SUPPLY
Select ‘constant pressure’ on supply airflow (select SUPPLY), or on the exhaust airflow
(select EXHAUST) or on both airflows (select SUP+EXH).
If SUP+EXH is selected the setup jumps to step 10.
8 % on K3? Select multiplier for CPs resulting airflow when terminals +12V and K3 are closed, or if
position III is activated on the RC TAC4 (‘night’ setup).
9 %EXH/SUP Choose the rate between the exhaust airflow (fans F3, F4) and the supply airflow (F1, F2)
10 CONFIG
TIME? N Select Y to configure time and date
11 TIME
SEGMENT ?N Select Y to activate the time segment scheduling function
Complete information is available on the PLC website : www.lemmens.com
12 INIT CPs REF?
Setup of CPs fan pressure instruction?
13 INIT via
AIRFLOW? Define if the constant pressure assignment value (V) for the fans:
- is to be automatically determined as a consequence of a selected airflow value
- is to be typed in by the user: select PRESSURE
If INIT via AIRFLOW: TAC4 DT will determine automatically the pressure value
14 INIT SUP
0000m3h Enter nominal airflow to determine assignment pressure CPs (if SUPPLY or SUP+EXH
was selected at step 7).
15 INIT EXH
0000m3h Enter nominal airflow to determine the pressure assignment CPs on the exhaust airflow (if
EXHAUST or SUP+EXH was selected at step 7).
16
INIT SUP
xx,x V
INIT SUP
xxxx m³h
Initialisation of the reference pressure busy (if SUPPLY or SUP+EXH was selected at step
7).
After 1 minute the CB will memorize the value of the measured static pressure on the fan
once the INIT airflow is reached.
Display of instant value of airflow and voltage while initializing.
17
INIT EXH
xx,x V
INIT EXH
xxxx m³h
Resetting of CPs assignment on exhaust air busy (if EXHAUST or SUP+EXH was selected
at step 7).
After 1 minute the system will memorize the pressure measured by the sensor
corresponding to the nominal airflow.
Display of exhaust fan’s actual airflow and of the sensor’s actual value while resetting.