Exhausto EXact2 HMI2-350-TOUCH, Basic Instructions

Page: 23 / 72

Kp and Ti settings should only be changed by persons trained in
commissioning ventilation systems.
If the following is selected Permitted operations
Technician mode (code 1111) Read the settings for the vari-
ous regulators
Specialist mode (code 3142) Set Kp and Ti for the various
regulators
Menus 3.1.1.1.1 to 3.1.1.1.4 Configuring the selected indoor air quality levels
The menus for the four indoor air quality levels contain the same menu items:
3.1.1.1.1 Comfort
Temp. set point >
Air set point >
Abs. / Rel. >
Cool rel. start >
85
22.0
Relative
Cool abs. start >
Heat rel. start >
Heat abs. start >
1.0
---
-1.0
---
%
°c
K
K
3.1.1.1.2 Standby
Temp. set point >
Air set point >
Abs. / Rel. >
Cool rel. start >
70%
Relativ
Cool abs. start >
Heat rel. start >
Heat abs. start >
1.0K
---
-1.0K
---
22.0°c
3.1.1.1.3 Economy
Temp. set point >
Air set point >
Abs. / Rel. >
Cool rel. start >
10%
Relative
Cool abs. start
Heat rel. start >
Heat abs. start >
1.0K
---
-1.0K
---
22.0°c
3.1.1.1.4 Manual
Temp. set point >
Air set point >
Abs. / Rel. >
Cool rel. start >
0
22.0
Relative
Cool abs. start >
Heat rel. start >
Heat abs. start >
1.0
---
-1.0
---
%
°c
K
K
Menu 3.1.1.1.x - Air set point
Definition Used to set the desired ventilation level for the given indoor air quality level, from
0 to 100%. Press "OK" to end.
Menu 3.1.7 - limits
menu See the range limits for fan output in Menu 3.1.7 in the HMI panel.
Menu 3.1.1.1.x - Temperature set point
Definition The required supply air or room temperature is set here. If "Absolute" indoor air
quality level is selected (see next section), then the temperature set point can be
selected (with 0.5 degree difference) within the configured "Cooling absolute start"
and "Heating absolute start" ranges (for more details see relevant section).
Menu 3.1.8 - limits
menu See the range limits for supply air temperature and room temperature in Menu
3.1.8 in the HMI panel.
Menu 3.1.1.1.x - Absolute / Relative temperature
Definition Used to select supply air or room temperature in relation to either absolute or rela-
tive temperature.
Absolute - Specify start temperature for heating coil or cooling unit.
Relative - Permitted temperature changes relative to the heating coil or cooling
unit start temperature. See how the temperature variation follows when the set
point is altered (diagram below, dotted lines).
3006401-2022-05-04
Starting up the unit for operation
23/72