# Project template - Macro ### Documentation To the documentation ### Current version
2.2.0.1 - CODESYS 3.5.21.2 - Download Release Date 19.01.2026 **New features and changes** * Template optimized and adapted for CODESYS version ≥ 3.5.21.2
*** ### Older versions
2.1.1.6 - CODESYS 3.5.17.2 - Download **New features and changes** * Lib HVAC to 3.2.1.14 * Lib HVACV to 3.2.0.18 * Lib HVACModbus to 1.1.0.38 * Lib HVACModbusIO2 to 1.0.2.6 * send and receive master clock: missing variable ActivClocksVisu added * FB CPU\_Station: pulse added when communication is OK again * GLT\_Program: added send pulse after a station reconnects for sending the NVL\_GLT * Send clocks: Variable Weekclock\_1CHx\_Mode added * Send clocks: Variable ActivClocksVisu added * Program and task Alarmmessage deleted. No longer necessary due to newer version Alarm email sending * Crossflow heat exchanger: minimum pressure and link to xOpTCon for xFrost added * Heat wheel: minimum pressure and link to xOpTCon for xFrost added * FanExtensionA: ControlPI replaced by ControlPIext * for master station GLT * Main: page Send Clocks inserted * Send list NVL\_GLT inserted * for all FBs with day/night operation, additional operating mode Off added, with note 'no frost monitoring' * Heating circuit designation/assignment added in the zones * RLT03: messages added to alarm list FanSUPx.xAlarmMSS and FanETAx.xAlarmMSS * TypA\_HZK: Pump: xForceOption changed to false * TypA\_HZK\_MOD: Pump: xForceOption changed to false * TypC\_RLT: ControlPI\_Dehum added for dehumidifying * Free night cooling and FNK\_with\_zones: TOF added after xClockchannel. When two clocks are used and at 23:59 rMaxOsTemp is not reset immediately. * Rename AT average dropdown * Outside Temperature: Man added for average temperatures * TypB\_RLT: Edit\_TempCoolOut: values adjusted * FanExtensionA: hysteresis for writing YMin and YMax added * TypB\_RLT and TypC\_RLT: minimum offset between setpoint temperature heating mode and cooling mode inserted * ChillerT: FB Burner replaced by FB DeviceSimple2 and DeviceSimpleA * FB ClockSlave32 renewed in all FBs and clocks assigned * PI CONTROLLER Edit buttons added to the macros
2.1.1.1 - CODESYS 3.5.17.2 - Download **New features and changes** * Text 'Station XY' replaced by 'Station new' (sStationsname) * Text list 'TL\_eTAU\_Durchschnitt' renewed * \- TypA\_HZK - TypA\_Frame\_Settings\_HZK: combobox renewed - input xValveAlarm added (also in alarm list - heat meter removed * \- TypB\_HZK: TypB\_Frame\_Settings\_HZK: combobox renewed
2.1.0.0 - CODESYS 3.5.14.0 - Download **New features and changes** * Updated to CODESYS version 3.5.17.2 * Modbus IO Visu page was added under the menu item "SERVICE".
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