Original instructions SIRe Competent Air Curtains Functions SIReAC GB For the following, please see Quick Guide: • Wiring diagrams • Installation instructions • Constituent parts and accessories • Alarm and error codes • Connecting external control - including BMS functions
GB SIRe Competent Air Curtains Operating modes Door that is opened and closed The control function notes whether the door is open or closed as standard, this mode is default set and is called Fixed flexible (the setting is under Installer menu > Fan settings > Door mode). Open door Indicates OP on the installer status screen. The fan speed runs at high speed which is set under Main menu > Fan speed > Max fan speed. Normally it is requested that heat is engaged when the door is opened.
SIRe Competent Air Curtains GB Function description of current stage The task of the Current stage function is to balance the room climate when a door is always open by using the right combination of fan and heating step. In open mode, the room temperature is read every 60 seconds (during the first 6 cycles, and then every 5 minutes and at each reading any Current stage adjustments are made, i.e. fan control and supplied output adjusted.
SIRe Competent Air Curtains GB Table - Current stage for units with 5 fan controls Current stage Fan 0 1 2 3 4 5 6 0 1 2 2 3 3 4 5 5 7 8 Heating Heating OFF OFF OFF ON ON ON ON ON ON 0 0 0 1 1 2 2 2 3 2 3 Table - Current stage for units with 3 fan controls Current stage Fan 0 1 2 3 4 5 0 1 2 2 3 3 4 Heating Heating OFF OFF OFF ON ON ON 0 0 0 1 1 2 2 3
SIRe Competent Air Curtains GB Overview IN 19.0 °C Status window Out -5 .0°C DOOR CL Forward arrow Back arrow Rotary dial Fan speed step Heating step Week program Day Alarm Red led Run signal Green led Week program Night OFF Week program Out of operation Explanations Status window Status window Press forward arrow to enter the main menu. The display shows the prevailing room temperature, fan and heating step, door status and day/night mode or Off when the week program is used.
SIRe Competent Air Curtains GB Main menu Fan control Possibility of setting high speed mode at an open door and what speed should apply with a closed door (3 or 5 steps depending on the unit). Main menu Current settings Temperature settings Fan control Summer/Winter System on/off Installer menu Main menu Temperature settings Fan control Summer/Winter Current settings Displays set room temp, high speed limit, Speed closed door, Summer / Winter and week program status.
SIRe Competent Air Curtains GB Installer menu System on/off Switch the whole unit off manually. In Off the display goes out; as soon as a button is pushed the display lights and shows System on/off. To activate the unit again select On. The unit’s safety functions are still active when the system is switched off, which means that the fan can continue to run for a moment after mode Off has been selected.
SIRe Competent Air Curtains GB Week program A new program step does not replace a set time for Day for example, but you can instead select to change a program step. To change a program step, select Change program. Make settings for week program. >Installer menu Installer status screen Week program Fan settings >Installer menu>Week program A basic program is pre-entered in SIRe.
SIRe Competent Air Curtains GB Fan settings Make settings for fan mode (see also Operating modes section). >Installer menu Week program Fan settings Heating settings In Fixed flexible mode, the control function notes whether the door is open or closed. In Fixed open mode the door is considered always open and is only controlled according to Current stage. In Auto mode, the control automatically switches between Fixed flexible and Fixed open modes depending on how often the door has been open.
SIRe Competent Air Curtains GB Heating settings Make settings for heating. >Installer menu Fan settings Heating settings Filter guard settings Open door setp. diff. Set by how much the set point value (Room temp. day/night) is to increase when the door is open. >Installer menu>Heating settings >Installer menu>Heating settings Open door setp. diff. Sensor calibration Control range limit • Open door setp. diff. 3.0 K Sensor calibration If the sensor displays the wrong values these can be calibrated.
SIRe Competent Air Curtains GB Filter guard settings Unit with water heating Filter alarm is displayed when the set Filter time has been exceeded or when an external filter guard is installed and triggered. Filter timer can be used as a Service interval timer for electrical heated units when filter is not allowed. Last filter change To check the number of run time hours since the last filter replacement, select Last filter change. The time is reset when the filter alarm is reset.
SIRe Competent Air Curtains GB External control (BMS) BMS functions can be activated under External control. Activate External on/off or 0-10V fan control by selecting On under the respective one. See diagram on next page and Connecting external control (Quick Guide).
SIRe Competent Air Curtains GB General settings Support menu Possibility of making general settings that are also in the Start-up wizard and execute user reset. The support menu is password protected and is used for support in contact with Frico or authorised installer. >Installer menu External control General settings Support menu Change the date, time, language and temperature unit.
SIRe Competent Air Curtains GB Alarm and error codes SIRe has different alarms and error codes for safe and problem free operation. If alarms or error codes have been indicated these must be reset in order to return to normal operation, for example activating the heating again. Fan mode is active even when, for example, the over heating alarm has been indicated. Displaying alarm and error codes In event of alarm or error the alarm/error code is shown in the status window.
SIRe Competent Air Curtains GB Frost protection function Unit with water heating Only applies to units with internal sensor. The frost protection function is intended to prevent the water coil from freezing. If the internal temperature falls below +5 °C frost protection alarm A3 is given, the valve actuator opens and the fan stops.
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