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3.1.2.4
MODE CPf
The airflow is modulated so as to maintain constant a computed pressure value.
3.1.2.4.1 Setup CPf Mode
1
LANGUAGE
2
DISPLAY m³h?
3
DISPLAY
Pa?
4
DISPLAY
m/s?
5
SURFACE?
x,xxxxm2
6
FAN TYPE
7
# FAN?
8
F2=%F1 ?
9
Mode
10
% on K3?
11
CONFIG
TIME? N
12
TIME
SEGMENT ?N
13
DAY OFF
N
14
INIT CPf REF?
N
15
INIT via
AIRFLOW?
If INIT via AIRFLOW: TAC5 F will determine automatically the pressure value
INIT F1
16
0000 m³h
INIT F2
17
0000 m³h
INIT F1
18
xxxx Pa
INIT F1
xxxx m³h
INIT F2
19
xxxx Pa
INIT F2
xxxx m³h
RESET
20
ALARMS?
END SETUP
21
Choose the language (English, French, Dutch, German)
If yes, the airflow of the fan will be displayed.
If yes, the pressure of the fan will be displayed (not available for fans 720999 and
720998)
If yes, the speed of the air of the fan flow will be displayed
If DISPLAY Pa = yes, enter the area of the blowing duct.
Choice of the fan type (CID – see label on fan or
fan with speed feedback or 720998 for generic backward fan with run
contact
).
Select number of fans connected to CB (F1 or F1+F2).
If # FAN=F1 + F2. Choose yes in case of dependent fans: the airflow of fan 2 is
defined as the airflow of fan 1 per a ratio defined in menu item %F2/F1. Choose no
in case of independent fans: the 2 fans have their own setpoints.
Choice of the working mode (CA, LS, CPf, CPs). Select CPf
Select multiplier for CPf resulting airflow when terminals +12V and K3 are closed
('night' setup).
Select Y to configure time and date. See § 3.2.1
Select Y to activate the time segment scheduling function. See § 3.2.1
Select Y if you wish to activate the day OFF option. See § 3.2.1
Setup of CPf fan pressure instruction?
Define if the constant pressure assignment value (Pa) 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
Enter nominal airflow to determine corresponding pressure CPf for fan 1.
If # VENT=F1 + F2 and F2=%F1 = no. Enter nominal airflow to determine
corresponding pressure CPf for fan 2.
Initialisation of the reference pressure on fan 1 busy. After 1 minute the CB will
memorize the value of the calculated static pressure on fan 1 once the INIT airflow
is reached.
Display of instant value of airflow and pressure while initializing.
If # VENT=F1 + F2 and F2=%F1 = no. Initialisation of the reference pressure on fan
2 busy. After 1 minute the CB will memorize the value of the calculated static
pressure on fan 2 once the INIT airflow is reached.
Display of instant value of airflow and pressure while initializing.
Possibility to reset the alarms. Y or N?
The setup is then completed.
720999 for generic backward
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