REC Indovent AB, Box 37, SE-431 21 Mölndal, Sweden
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+46-31-675500
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www.rec-indovent.se
18
OPERATION & CONTROL UNIT
Air Handling Unit RT 250/400S-EC-RS
b/
Outdoor temperature compensated supply air control
1.b1.
Outdoor temperature compensated supply air control
The supply air temperature is controlled by a sensor in the supply air duct. Desired set point
temperature is interpolated from the values set in the menu screens for desired outdoor temperature
compensated values at various outdoor temperatures (menu screen 1.b1.1 - 1.b1.3)
Line 1 shows the outdoor air temperature when it reaches the unit.
Line 2 shows which temperature is measured on line 3.
Line 3 shows actual temp. + arrow to menu behind for set point temp.
Line 4 shows interpolated desired value at present outdoor temp.
1.b1.1 Outdoor temp. compensated supply air control, desired value, part 1
The setting of desired values for the supply air at different outdoor temperatures.
Line 1 shows menu.
Line 2 shows set desired value at -20°C.
Line 3 shows set desired value at -15°C.
Line 4 shows set desired value at -10°C.
1.b1.2 Outdoor temp. compensated supply air control, desired value, part 2
The setting of desired values for the supply air at different outdoor temperatures.
Line 1 shows menu.
Line 2 shows set desired value at -5°C.
Line 3 shows set desired value at ±0°C.
Line 4 shows set desired value at +5°C.
1.b1.3 Outdoor temp. compensated supply air control, desired value, part 3
The setting of desired values for the supply air at different outdoor temperatures.
Line 1 shows menu.
Line 2 shows set desired value at +10°C.
Line 3 shows set desired value at +15°C.
Line 4 shows how much the temperature should be lowered when you are not at
home. How to set these temperatures, see 2.2.
1.b2.
Supply air temperature.
Line 1 shows which temperature is measured.
Line 2 shows current temperature.
Line 3
Line 4
1.b3.
Exhaust air temperature.
Line 1 shows which temperature is measured.
Line 2 shows current temperature.
Line 3
Line 4
OD temp: 2.6 °C
Supply air temp.
Act.: 27.6 °C Setp.
Comp. SP: 28.0 °C
Outdoor comp. setp.
-20.0°C = 37.0°C
-15.0°C = 35.0°C
-10.0°C = 33.0°C
Outdoor comp. setp.
5.0°C = 31.0°C
0.0°C = 29.0°C
5.0°C = 27.0°C
Outdoor comp. setp.
10.0°C = 25.0°C
15.0°C = 23.0°C
ECO adjust: 0 °C
Supply air temp.
Actual: 25.4 °C
Exhaust air temp.
Actual: 21.5 °C
