Exhausto EXact2 VEX240 series, Basic Instructions

Page: 24 / 108

Method Meth-
od
no.
(1-8) Description The following parameters
are set Menu
Constant
pressure reg-
ulation of
supply air 4 Constant pressure-regulated
supply air with fixed extract
air setting
Requirements:
● MPT-DUCT overpres-
sure sensor in the supply
air duct. Available as an
accessory
● Supply airflow values
for maximum and min-
imum ventilation
● Fixed setting for ex-
tract airflow
3.1.1.4 Constant pressure
Supply air:
Setp. max. >
Setp. min. >
Setp. >
Extract air:
1000Pa
0Pa
0l/s
6 Constant pressure regulated
supply air with slave-control-
led extract air
Requirements:
● MPT-DUCT overpres-
sure sensor in the supply
air duct. Available as an
accessory
● Supply airflow values
for maximum and min-
imum ventilation
● Extract air balance rel-
ative to supply air
3.1.1.4 Constant pressure
Supply air:
Setp. max. >
Setp. min. >
Balance >
Extract air:
1000Pa
0Pa
1.00
Constant
pressure reg-
ulation of
both extract
air and sup-
ply air 7 Constant pressure regulation
of both extract air and supply
air
Requirements:
● MPT-DUCT negative
pressure sensor in the
extract air duct. Available
as an accessory
● MPT-DUCT overpres-
sure sensor in the supply
air duct. Available as an
accessory
● Extract airflow values
for maximum and min-
imum ventilation
● Supply airflow values
for maximum and min-
imum ventilation
3.1.1.4 Constant pressure
Extract air:
Setp. max. >
Setp. min. >
Setp. max. >
Setp. min. >
Supply air:
1000Pa
0Pa
1000Pa
0Pa
External con-
trol of fan
speeds 8 External control of both ex-
tract air and supply air
Requirements:
● Two MIO modules to
convert 0–10 V to Mod-
bus
● FC max/FC min: Con-
trol signal range for
external control (e.g.
2-10 V signal)
● Control signal to over-
ride external damper*
in the event of, e.g.
night-time cooling or
fire
*or other external accesso-
ry, which is controlled by
external control
3.1.1.4 AUX
Type >
BFO
BMS
101 None
3005167-2022-02-02
Starting up the unit for operation
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