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
26
OPERATION & CONTROL UNIT
Air Handling Unit RT 250/400S-EC-RS
Calibrate temp sens.
Status inputs/outputs. Calibration of sensors
.
This is where you check the status of various input and output data and the temperature sensors can
be calibrated. Choose headline Inputs/outputs and scroll. To enter this group of menus, log in with
access code.
3. Inputs/outputs
3.1
Inputs/outputs
Choose group, see Ch
. A.
Line 1 Enter to check status of analogue inputs.
Line 2 Enter to check status of digital inputs.
Line 3 Enter to check status of analogue outputs.
Line 4 Enter to check status of digital outputs.
Line 5 Enter to calibrate temperature sensors.
3.1.1
Analogue inputs, status
Displays temperatures.
Line 1 Displays current outdoor temperature.
Line 2 Displays current supply air temperature.
Line 3 Displays current exhaust air temperature.
Line 4 Displays current extract air temperature.
3.1.2.
Analogue inputs, status - cont'd.
Displays temperatures - cont'd
.
Line 1 Displays current room temperature.
Line 2 Displays current frost protection
temperature
3.2.1
Digital inputs, status
Displays if the input is active or not.
ON = input 24 V.
OFF = input 0 V.
Line 1 ON = system active. OFF= system deactivated.
Line 2 ON = the D12 function is activated via external switch
Line 3 ON = the D13 function is activated via external switch
Line 4 "Alarm" means the supply air fan is faulty.
3.2.2
Digital inputs, status - cont'd.
Line 1 "Alarm" means the exhaust air fan is faulty.
Line 2 "ON" indicates that there is a signal (DI2 function activated via ext. switch)
Line 3 ”Alarm" means ELECTRIC HEATING FAILURE = unit stopped
Line 4 ”Alarm" means filter is clogged, but the unit continues to run.
NOTE! Inputs DI2-DI3 and D16 can be configured to various functions, such as Not active, Min. flow,
Boost flow, Kitchen mode, ECO mode, Stove mode or Fire.. This is done in the menu Configuration.
Analogue inputs
Digital inputs
Analogue outputs
Digital outputs
AI1 OD temp. 10.5°C AI2
SA temp. 25.4°C
AI3 EA temp. 21.5°C
AI4 EXT temp. 10.3°
C
UAI1 Room t 21.6°C UAI2
Freeze t 12.4°C
12:01:31 11:57
DI1 Start :On
DI2 Kitchen :Off
DI3 ECO :Off
DI4 SA Fan :OK
DI5 EA fan :OK
DI6 Not active :On
DI7 Overheat p. :OK
DI8 Filter alarm :OK
