Menu 2.1.1 - Set points for regulators
2.1.1 Setp. regulators
Room
Heat recovery
Cooling unit
Heating unit
Compensation:
Outdoor temp.
Summer
0,0
10,0
10,0
10,0
Inactive
Inactive
This menu shows set points for:
● Room temperature regulator
● Heat recovery regulator
● Cooling regulator
● Heating unit regulator
Compensations:
● List of compensations (active/inactive)
Menu 2.3 - Motor controller parameters (MC parameters)
2.3 MC parameters
Supply air:
Maximum
Set point
Minimum
Extract air:
Maximum
Set point
Minimum
10.0V
5.6V
1.4V
10.0V
5.6V
1.4V
Analogue: The menu shows maximum and minimum voltage. The setpoint shows
control voltage, e.g. 4.6V.
Menu 2.4 - Temperature regulating units
Heat recovery
Heating coil
Heat pump unit
Cooling unit
Cooling recovery
De-icing
De-icing stage
Hibernation
Rise in press. drop 0%
Tice
3.3°C
2.4 Temp. reg. units
%
%
%
%
%
100.0
0.0
0.0
0.0
0.0
Inactive
---
---
The menu shows the current:
● heat recovery
● heating unit output (if installed)
● cooling unit output (if installed)
● cooling recovery (0% or 100%)
● whether de-icing is active or inactive
● de-icing steps, see table below
● countdown (in seconds) until restart of unit from hibernation
● rise in pressure drop across heat exchange compared to dry heat exchanger
(not applicable)
● Tice temperature on exhaust side of heat exchanger (if installed)
De-icing steps - see
table for procedure
De-icing
step
Operating status
0
The unit is operating normally
1
Ice formation in heat exchanger - unit ready to activate de-icing:
Need for de-icing determined by temperature (T
ice
)
a
Bypass outdoor air up to 100%
b
Reduced extract air and supply air + bypass outdoor air up to
100%.
c
Imbalance via reduced supply air
d
Imbalance via reduced supply air and increased extract air
e
Hibernation for 2 hours - unit stopped
f
After hibernation finished - five-minute test operation
Menu 2.6 - Heating unit
NB
The menu displays depend on whether a water heating coil or an electric heating
coil is installed as a heating unit (see Menu 3.4 Accessories).
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Operation
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Summary of Contents for EXact2 HMI2-350-TOUCH
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