Example
If the required room temperature is 21°C, and Heating Rel. start in the indoor air
quality level menu is set to -3 K, the heating coil will begin to operate on a cold
day when the temperature falls below 21°C - 3 K = 18°C.
Menu 3.1.1.1.x - Cooling absolute start
Definition
This value determines when cooling must start in relation to the absolute tempera-
ture. Lower and upper limits are shown in the display.
Example
If Cooling abs. start is set to 24°C, the cooling unit will first start to operate when
the temperature exceeds 24°C, even though the daily user has set the required
room temperature to 21°C.
Menu 3.1.1.1.x - Heating absolute start
Definition
This value determines when heating must start in relation to the absolute tempera-
ture. Lower and upper limits are shown in the display.
Example
If Heating abs. start is set to 18°C, the heating coil will not start to operate until the
temperature falls below 18°C, even though the daily user has set the required
room temperature to 21°C.
Generally on temperature regulation
● Start by setting the max. and min. limits
● Set the temperature setpoint
● For other regulators, first set the max./min. and then the setpoint
3.1.1 Operating settings
IAQ. levels >
Air reg. >
Temp. reg. >
Balance >
Regulators >
Supply air
1
1,0
If temperature regulation is changed from Supply Air to Room, the functions on
the next pages will be enabled, and invalid values will be adjusted to valid values.
If temperature regulation is changed from Room to Supply Air, nothing will hap-
pen, as the limits for Room are always within the limits for Supply Air.
Menu 3.1.8 - Temperature limits
Supply air temp. limits
Minimum >
Maximum >
Room temp. limits
Minimum >
Maximum >
Maximum
Δ
T >
10.0
35.0
10.0
35.0
10.0
°C
°C
°C
°C
K
3.1.8 Supply air temp. limits
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Starting up the unit for operation
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Summary of Contents for EXact2 VEX240 series
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