S&P UTBS PRO-REG Series, Руководство пользователя, Страница: 38 / 72

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Usage example:
Connection of a CO
2
probe
of a measurement range
0-2000 ppm (0-10V). Speed
minimum (25%) below
400 ppm and maximum
(100%) over 1600 ppm
Vmin = 2 V (400ppm)
Vmax = 8V (1600 ppm)
Speed at Vmin = 25%
Speed at Vmax = 100%
The selection of VAV mode in this installer menu automatically confi gures the screen
of the user menu. The user can then change the unit’s operation without touching
the settings.
Off: Stop the unit.
Manual: Manually selection of fan’s speed.
Auto: Automatic control according to external probe.
11.3.3. Constant pressure operation (COP)
Mode recommended in a multi-area confi guration for variable airfl ow applications
with several modulation systems of the airfl ows installed at the network level.
Airfl ows automatically modulated to maintain a constant pressure value measured
by an outdoor pressure sensor.
The access to the confi guration menu of the COP mode is performed as follows:
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