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AB Industrietechnik srl – Via Julius Durst, 70 – 39042 BRESSANONE (BZ) Italy – Tel: +39 0472/830626 – [email protected] – www.industrietechnik.it

19. Temperature/humidity control priority

Simultaneous requests for:

- heating and humidification or

- cooling and dehumidification,

are not contradictory and can be controlled together.

However, simultaneous requests for:

- heating and dehumidification

- cooling and humidification

are contradictory and cannot be carried out simultaneously A control priority needs to be assigned between the temperature

and the humidity, using the parameter

212

:

-

212

= 0 means the temperature control is prioritized. The control of the temperature is carried out first; when the temperature

setpoint is reached then humidity control is started.

To do again temperature regulation, temperature must vary as indicated below:

Treg

WCS

Treg

WHS

dT

Heating

(dehumidif)

dT

Cooling

(humidif)

Authorization

0

Authorization

0

Hreg

WDS

Hreg

WUS

dH

Humidification

(cooling)

dH

Dehumidification

(heating)

Authorization

0

Authorization

0

Treg: regulation temperature

WHS: heating operation setpoint

dT: 0.2°C

During dehumidification if Treg < WHS - dT, heating regulation is started and dehumidification regulation stopped till WHS is

reached again

.

Treg

WCS

Treg

WHS

dT

Heating

(dehumidif)

dT

Cooling

(humidif)

Authorization

0

Authorization

0

Hreg

WDS

Hreg

WUS

dH

Humidification

(cooling)

dH

Dehumidification

(heating)

Authorization

0

Authorization

0

Treg: regulation temperature

WCS: cooling operation setpoint

dT: 0.2°C

During humidification if Treg > WCS + dT, cooling regulation is started and humidity regulation stopped till WCS is reached

again.

-

212

= 1 means the humidity control is prioritized. The control of the humidity is carried out first; when the humidity setpoint is

reached then the temperature control is started.

To do again humidity regulation, humidity must vary as indicated below:

Treg

WCS

Treg

WHS

dT

Heating

(dehumidif)

dT

Cooling

(humidif)

Authorization

0

Authorization

0

Hreg

WDS

Hreg

WUS

dH

Humidification

(cooling)

dH

Dehumidification

(heating)

Authorization

0

Authorization

0

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Summary of Contents for evolution AHU-XXXSX1 series

Page 1: ...05 03 2018 Version 1 0 4 EN ROOM CONTROLLER EVOLUTION SERIES AHU xxxSx1 USER MANUAL ...

Page 2: ...se valve 30 13 Post heating battery logic 31 Post heating operation or additional modulating heating stage 31 Post heating operation or additional on off heating stage 31 Modulating integration operation 32 Integration on off operations 32 14 Supply limits function with fixed point control 33 Minimum limit 33 Low limit in heating mode with modulating control 33 Low limit in heating mode with on of...

Page 3: ...t cooling valve 56 Operation with on off damper and on off cooling valve 56 Operation with on off bypass damper and on off cooling valve 57 Operation with modulating damper and on off cooling valve 57 Heating operation using free heating 59 Operation with modulating damper and modulating heating valve 59 Operation with modulating bypass damper without heating valve 59 Operation with on off damper ...

Page 4: ...bypass heat exchanger without cooling valve 95 Operation with on off bypass heat exchanger and cooling modulating valve 96 Operation with on off bypass heat exchanger and on off cooling valve 97 Operation with on off bypass heat exchanger without cooling valve 97 Operation with modulating bypass heat exchanger and modulating heating valve 98 Operation with modulating bypass heat exchanger and on o...

Page 5: ... www industrietechnik it MODBUS VARIABLES FOR CONTROLLER STATUS 137 MODBUS VARIABLES FOR OPERATING PARAMETERS 141 Default parameters reset via MODBUS 154 Clock setting via MODBUS 154 MODBUS communications alarm 154 MODBUS connection diagram 155 42 Electrical connections 156 43 Dimensions 158 44 Mounting instructions 158 ...

Page 6: ...del Communications Modbus RTU Slave depending on model Temperature reading range 15 90 C Dimensions 128 x 80 x 55 5 mm Installation 3 module flush mounted box Protection class IP30 class 2 EU compliance standard EN 60730 1 EN 61000 6 3 EN 61000 6 1 2 Code selection Room controller AHU x x x S x 1 Version 1 digital output 3 analogue outputs 3 analogue inputs 2 digital outputs 2 analogue outputs 3 a...

Page 7: ...85 C F set ON OFF M A HEAT COOL ESC M O D E Display B On Off flashing Timer extension on continuously displayed Clock setting Economy or boost function on General alarm Communications alarm Parameters menu Work season Dirty filter alarm Cooling or free cooling on flashing Battery frost protection or heat exchanger frost protection on flashing Condensate alarm continuously displayed Dehumidificatio...

Page 8: ... is local for 2 pipe systems 195 1 timer extension 195 2 operating mode without clock using the timer holiday Keypad lock To lock the keypad press the ESC M O D E buttons at the same time the display shows the text LK for one second When any button is pressed it is no longer possible to access the parameters and the display shows LK To unlock the keypad press the ESC M O D E buttons again the disp...

Page 9: ...he external temperature see 15 Control with setpoint compensation page 37 By pressing the or button the user can only view the compensated calculated setpoint For the other types of control cascade or fixed point 2 pipe or 4 pipe it is possible to modify the 107 setpoint for the 2 pipe operation in heating mode 108 for the 2 pipe operation in cooling mode or 109 for the 4 pipe functionality if 204...

Page 10: ...orresponding to parameter 198 Press the M O D E button noOC flashes on the display B to stop the timer extension if started or OC and the icon flashes on display B to activate the timer extension Press the M O D E button to change the setting The value is automatically saved To exit the menu wait for 4 seconds or press the ESC button If 195 2 quick access to the operating mode configuration The op...

Page 11: ... the or button to change the value Press the button to save the configuration or the ESC button to quit without saving the changes To exit the menu press the ESC button again or wait for about 10 seconds If the timer extension is on the icon flashes for the time set in parameter 198 If the timer extension function is not active the icon is off If the MODE button quick access function is set to tim...

Page 12: ...U xxCSx1 CLk yMdH y r 2012 M h 11 day 29 Hr 11 37 Press the and buttons together CLK appears on display A and yMdH on display B Press the button to enter the date and time setting menu Parameter Description Min Max CLk Date and time setting menu Y r Year 2012 2100 M h Month 1 12 day Day 1 31 Hr Time hour 0 23 Minutes 0 59 Press the or button to select a parameter to be modified and the button to e...

Page 13: ...tion function is activated if parameter 188 1 Time Time Time Time OFF ON OFF ON OFF ON OFF ON Time OFF ON Timer period 1 Timer period 2 Timer period 3 Timer period 4 Operating mode OFF ON OFF OFF ON ON OFF appliance switched off ON appliance switched on To operate using a timer period set the start time ON and the end time OFF If the start time ON is equal or previous to the end time OFF the corre...

Page 14: ...g time of the timer period stop flashing and are saved to the memory The screen for setting the end time of the timer period displays Mon 08 00 1 Press the or button to select the desired hour Press the button the timer period end time stops flashing and is saved to the memory The minutes field of the end of the selected timer period starts flashing Press the or button to select the desired minute...

Page 15: ...Tu Ve Th Fr Sa Su MF SS Mo Tu Ve Th Fr Sa Su Day to be copied destination day CTb Mo Mo Press the button the day to be copied flashes Select the day to copy with the and buttons Press the button the day to which the periods will be copied starts to flash If you set MF as the destination the selected day will be copied to the days from Monday to Friday If you set the destination as SS the selected ...

Page 16: ... 106 of the remote sensor with respect to the internal sensor By this way optimized control is achieved on a room with differing temperature from one part to another Examples with 019 1 sensor connected to input AI1 defined as the remote control sensor parameter 106 0 the internal sensor is only taken into account if a remote sensor has been defined parameter 106 100 the remote sensor is only take...

Page 17: ...r boost remote contact 015 4 DI1 or 017 4 DI2 or an analogue input is configured as an economy boost contact 019 11 AI1 or 021 11 AI3 or 023 11 AI3 the economy or boost mode can be activated if the corresponding contact is in the appropriate position see 36 Digital and analogue input logic page 126 In economy boost mode the choice between economy or boost depends on the signal from the parameter 1...

Page 18: ...positive WCS WCS ECONOMY or HOLIDAY ON OFF OUT ON OFF OU W ECONOMY or HOLIDAY ON OFF Temp OUT 120 negative WCS BOOST ON OFF OU BOOST 108 2 pipe cooling setpoint WCS activation point cooling mode 2 pipe graph analogue output heating mode 2 pipe graph digital output heating mode Temp Temp 100 0 Temp OUT 107 100 0 Temp OUT OUT WHS WHS ECONOMY or HOLIDAY 120 or 121 positive Temp 100 0 Temp OUT WHS BOO...

Page 19: ...th timer periods Mod tiMb and the timer period function 199 0 see 4 Quick access parameter setting page 8 then regulation is controlled within the timer periods with the base setpoints In this case display C see 3 Display keypad and icons page 7 shows the active timer period Outside of the timer period economy boost mode is active Otherwise the contact or sensor status configured in non occupied h...

Page 20: ...heating cooling battery No mixed use battery Modulating mixed use valve 002 2 and 003 1 Mixed use valve on off 002 4 and 003 2 Post heating battery No post heating battery 004 0 Post modulating resistance 004 1 Modulating post heating valve 004 2 Post resistance on off 004 3 Post heating valve on off 004 4 Humidifier No humidifier 006 0 Modulating humidifier 006 1 Humidifier on off 006 2 Dehumidif...

Page 21: ...sistance 030 8 AO1 or 031 8 AO2 or 032 8 AO3 Modulating post heating valve 030 7 AO1 or 031 7 AO2 or 032 7 AO3 Post heating resistance on off 025 9 DO1 or 026 9 DO2 or 027 9 DO3 or 028 9 DO4 or 029 9 DO5 Post heating valve on off 025 8 DO1 or 026 8 DO2 or 027 8 DO3 or 028 8 DO4 or 029 8 DO5 Modulating humidifier 030 10 AO1 or 031 10 AO2 or 032 10 AO3 Humidifier on off 025 16 DO1 or 026 16 DO2 or 0...

Page 22: ...s to be modulated The icon is displayed if a valve is controlled the icon for modulating heating heater The modulating valve or eletrical resistance can be controlled with PI action if the integral heating time 115 does not equal 0 or with proportional action only if 115 0 The or icon switches off if the modulating valve or the electrical resistance closes or is no longer powered On off controller...

Page 23: ...band If the operating temperature rises above WCS the modulating valve starts to open The icon is displayed The valve can be controlled with PI action if the integral time 117 does not equal 0 or with proportional action only if 117 0 The icon switches off if the valve closes On off controller The on off type controller operates in the following way 0 114 116 ON 0FF Treg 122 WHS 100 0 I14 100 0 OU...

Page 24: ... 1 and 030 6 AO1 or 031 6 AO2 or 032 6 AO3 If Treg WCS 124 the modulating electrical resistance is directed to heat the icon is displayed and remains displayed until the temperature rises above this threshold The modulating resistance can be controlled with PI action if the integral heating time 115 does not equal 0 or with proportional action only if 115 0 Mid season mode with on off heating elem...

Page 25: ...e season is considered to be heating The mid season activation parameter 013 has no influence on the 4 pipe controller and is not taken into consideration Modulating heating and cooling control The PI type controller operates in the following way for modulating control Treg 114 100 0 Treg 100 0 116 100 0 Treg 123 114 116 ON 122 WHS WCS 100 OUT OUT OUT OUT WHS WCS ON 0FF Treg 122 WHS 122 WCS 123 10...

Page 26: ...ts to open or the modulating electrical resistance starts to be modulated The icon is displayed if a valve is controlled the icon for a modulating electrical resistance The valve or modulating electric resistance can be controlled with PI action if the integral heating time 115 does not equal 0 or with proportional action only if 115 0 The or icon switches off if the modulating valve or the electr...

Page 27: ...UTC Treg control sensor WHS calculated heating setpoint WCS calculated cooling setpoint 123 neutral zone 122 hysteresis for on off output 116 proportional cooling band OUTH heating output on off on off valve if 002 4 and 025 4 DO1 or 026 4 DO2 or 027 4 DO3 or 028 4 DO4 or 029 4 DO5 electrical resistance on off if 002 3 025 7 DO1 or 026 7 DO2 or 027 7 DO3 or 028 7 DO4 or 029 7 DO5 OUTC modulating o...

Page 28: ...on is displayed Extractor fan 10V Volt 153 151 10V Volt 151 153 Supply fan Supply temp OUTH 100 HEATING modulating 114 116 123 Supply setpoint COOLING modulating 0 Treg HEATING COOLING Treg 124 WCS Treg 124 WCS WHS WCS Treg HEATING COOLING 109 I23 I23 OUTC Supply temp 100 116 Supply setpoint Modulating COOLING 0 OUTC 123 2 Treg room sensor 109 4 pipe setpoint control 123 neutral zone Note when the...

Page 29: ...or icon switches off when the output of the heating slave PI controller is equal to 0 The heating valve can be controlled with PI action if the integral time 115 does not equal 0 or with proportional action only if I15 0 Control with a single cooling valve OUTH 100 114 116 Treg Treg Treg HEATING COOLING 109 I23 OUTC Supply temp OUTH 100 Modulating HEATING 114 123 2 Supply setpoint 0 Supply temp 10...

Page 30: ...ating resist ance is active the or icon is displayed The cooling valve remains closed and the icon remains switched off The or icon switches off when the output of the heating slave PI controller is equal to 0 The heating valve can be controlled with PI action if the integral time 115 does not equal 0 or with proportional action only if I15 0 If the temperature of the supply sensor is higher than ...

Page 31: ...rol is proportional if the battery is modulating or on off in other cases The parameter 180 represents the proportional band or the hysteresis of the post heating stage Post heating operation or additional modulating heating stage post heating 005 0 or additional heating stage 005 2 with valve 004 2 and 030 7 AO1 or 031 7 AO2 or 032 7 AO3 post heating 005 0 or additional heating stage 005 2 with e...

Page 32: ...t 180 proportional post heating band During control the or icon is displayed if the signal applied to the valve or the modulating resistance in integration is not equal to 0 Tsup WHS The or icon switches off if the signal applied to the valve or the modulating resistance in integration is equal to 0 Tsup WHS and if the heating stage is also deactivated Integration on off operations integration sta...

Page 33: ...35 138 Set_comp_heat 134 137 Set_comp_cool 138 Val_lim_min_H theoretical value of the low limit output in heating mode Tlim temperature of the supply sensor 126 setpoint of low limit 129 proportional limit band When active if the supply temperature falls below the minimum supply setpoint 126 the heating valve is controlled considering the highest value between the theoretical output of the heating...

Page 34: ...e icon is displayed and on the alarms page the message LI L is displayed Control with dehumidification using the cooling battery 007 0 and 139 0 In the event that the request for dehumidification has priority over the temperature 212 1 the limit function does not operate on the cooling battery Low limit in cooling mode with on off control Speed 100 150 Extractor fan 10V 152 151 153 Supply fan ON O...

Page 35: ...heating valve is controlled consider ing the lowest value between the theoretical output of the heating control and the theoretical value of the Val_lim_max_H limit Above 128 the icon is displayed and on the alarms page the message LI H is displayed High limit in heating mode with on off control Speed 100 152 Extractor fan 10V Volt ON OFF Tlim 129 Val_lim_max_H 128 ON OFF Tlim 129 Val_lim_min_H 12...

Page 36: ...icon is displayed and on the alarms page the message LI H is displayed High limit in cooling mode with on off control Speed 100 150 Extractor fan 10V Volt 152 151 153 Supply fan ON OFF Tlim 129 Val_lim_max_C 128 ON OFF Tlim 129 Val_lim_min_C 126 DOx DOx Val_lim_max_C theoretical value of the high limit output in cooling mode Tlim temperature of the supply sensor 128 setpoint of high limit 129 prop...

Page 37: ...5 138 Te 132 133 0 Set_comp_heat 131 134 137 0 Set_comp_cool 135 138 Hlim 148 149 100 0 Lim_max_hum 149 100 0 Lim_min_dehum 149 Lim_min_dehum 149 Lim_max_hum Set_comp_heat winter compensated setpoint Te external temperature 131 minimum external temperature for winter compensation 132 maximum external temperature for winter compensation 133 compensated setpoint corresponding to the minimum external...

Page 38: ...oint corresponding to the maximum external temperature for summer compensation 136 Example of compensation curve with 137 138 Tlim 128 129 100 0 Te 136 137 0 Set_comp_cool 135 138 Te 136 137 0 Set_comp_cool 135 138 Hlim 146 149 100 0 Lim_min_dehum ON OFF Hlim 149 Lim_min_dehum 146 DOx Set_comp_cool summer compensated setpoint Te external temperature 135 minimum external temperature for summer comp...

Page 39: ...nal or remote humidity sensor WDS dehumidification mode setpoint dehum theoretical value percentage of dehumidification 142 humidity setpoint 141 humidity neutral zone 143 humidity proportional band Settings for dehumidification with cooling battery select the type of dehumidification with cooling battery 007 0 define the type of cooling battery 003 1 and a modulating output for the cooling batter...

Page 40: ...dehumidifier select the type of dehumidification with modulating dehumidifier 007 1 define the modulating dehumidifier output 030 11 AO1 or 031 11 AO2 or 032 11 AO3 turn on dehumidification with an internal humidity sensor 139 1 or 139 3 only in cooling AHU xxxxH1 models only or with a remote humidity sensor 139 2 or 139 4 only in cooling 023 6 0 10 V humidity input and put the JP1 jumper in the 3...

Page 41: ...4 or 029 17 DO5 turn on dehumidification with an internal humidity sensor 139 1 or 139 3 only in cooling AHU xxxxH1 models only or with a remote humidity sensor 139 2 or 139 4 only in cooling 023 6 0 10 V humidity input and put the JP1 jumper in the 3 2 position humidity neutral zone 141 humidity setpoint 142 humidity proportional band 143 Control is carried out on the dehumidification operating s...

Page 42: ...e humidity sensor WUS humidifying operation setpoint hum theoretical value percentage of humidification 142 humidity setpoint 141 humidity neutral zone 143 humidity proportional band Settings for humidification with modulating humidifier select the type of modulating humidifier 006 1 define the modulating humidifier output 030 10 or 031 10 or 032 10 turn on humidification with an internal humidity...

Page 43: ...e JP1 jumper in the 3 2 position humidity neutral zone 141 humidity setpoint 142 humidity proportional band 143 Control is carried out on the humidification operating setpoint WUS 142 141 2 If the humidity detected WUS 143 the humidifier is activated and the icon is displayed If the humidity detected WUS the dehumidifier is disabled and the icon switches off Note If the frost protection with 188 1...

Page 44: ...m 146 DOx Hlim Limit supply humidity sensor Lim_min_dehum theoretical value of the low limit output in dehumidification 146 low limit humidity setpoint 149 proportional band for humidity limit If the supply humidity falls below the low limit humidity setpoint 146 the modulating dehumidifier is controlled considering the lowest value between the theoretical output of the dehumidification control an...

Page 45: ...midity setpoint 148 the modulating humidifier is controlled considering the lowest value between the theoretical output of the humidification control and the theoretical value of the Lim_max_hum limit Above 148 the icon is displayed and on the alarms page the message LIHH is displayed High limit in humidification mode with on off control Te 132 133 0 131 134 137 0 135 138 Hlim 148 149 100 0 Lim_ma...

Page 46: ...ulation temperature must vary as indicated below Treg WCS Treg WHS dT Heating dehumidif dT Cooling humidif Authorization 0 Authorization 0 Treg regulation temperature WHS heating operation setpoint dT 0 2 C During dehumidification if Treg WHS dT heating regulation is started and dehumidification regulation stopped till WHS is reached again Treg WCS Treg WHS dT Heating dehumidif dT Cooling humidif ...

Page 47: ...ached Temperature request Humidity request Heating battery Cooling dehumidification battery Post heating battery Humidifier Heating Humidification ON OFF 005 0 post only OFF ON 005 1 post integ ON controlled in integration through the control sensor and the WHS operating setpoint Heating Dehumidification ON OFF 005 0 post only OFF OFF 005 1 post integ ON controlled in integration through the contr...

Page 48: ...FF 007 0 ON controlled by the dehumidification signal ON controlled by the supply sensor and post heating sensor179 OFF 007 1 or 2 ON dehumidification using the modulating or on off dehumidifier Cooling achieved Humidification OFF OFF OFF ON Cooling achieved Dehumidification OFF 007 0 ON controlled by the dehumidification signal ON controlled by the supply sensor and the post setpoint 179 OFF 007 ...

Page 49: ...the dehumidification signal ON controlled by the supply sensor and the post heating setpoint 179 OFF 007 1 ON dehumidification using the modulating or on off dehumidifier Cooling Humidification OFF OFF OFF ON Cooling Dehumidification OFF 007 0 ON controlled with the max between the cooling request and dehumidification request OFF if cooling request is higher than dehumidification request OFF ON if...

Page 50: ...05 1 post integ ON controlled in integration through the control sensor and the WHS operating setpoint Heating Dehumidification achieved ON OFF 005 0 post only OFF OFF 005 1 post integ ON controlled in integration through the control sensor and the WHS operating setpoint Cooling Humidification achieved OFF 007 0 ON temperature controlled OFF OFF 007 1 or 2 OFF dehumidification using the modulating...

Page 51: ... heating conditions 172 171 ON OFF Free cooling conditions 172 171 Treg room control or return temperature Text external temperature 171 setpoint differential for free cooling heating 172 proportional band for free cooling heating In order to be able to have the free cooling conditions the following 4 conditions must be checked Text 174 Treg 175 Treg Text 173 Treg Text 171 If Treg Text 171 172 now...

Page 52: ...hanger type 010 4 when conditions of free cooling heating are present and there is a cooling heating request the request is divided on 2 bands The first band regulates the dampers by free cooling heating the second band the cooling heating battery ies If cooling battery is not present during free cooling or if heating battery is not present during free heating the damper is regu lated in any case ...

Page 53: ...ensor is used set an analogue input as remote sensor 019 1 AI1 or 021 1 AI2 or 023 1 AI3 set an analogue input as external sensor 019 3 AI1 or 021 3 AI2 or 023 3 AI3 set a digital output as on off bypass for heat exchanger based only on free c h 025 20 DO1 or 026 20 DO2 or 027 20 DO3 or 028 20 DO4 or 029 20 DO5 action on damper 011 1 set the type of heat exchanger to cross flow heat exchanger 012 ...

Page 54: ...16 cooling proportional band solid curve modulating damper output dashed curve modulating cooling valve output If the control temperature rises above WCS the modulating damper in the presence of free cooling conditions goes from the minimum opening position parameter164 to the maximum opening position parameter 165 in the band defined by the pa rameter 116 2 The valve changes position from closed ...

Page 55: ...he free cooling is activated If Treg WCS the on off damper controlled by the cooling is disabled The valve changes position from closed to open when Treg change from WCS 116 2 to WCS 116 Operation with on off bypass damper and cooling modulating valve Do following settings 170 1 or 3 authorization of free cooling regardless the working season or 170 4 or 6 authorization of free cooling in cool ing...

Page 56: ...cooling valve Do following settings 170 1 or 3 authorization of free cooling regardless the working season or 170 4 or 6 authorization of free cooling in cool ing mode only do the regulation on room sensor internal or remote sensor 001 0 in case the remote sensor is used set an analogue input as remote sensor 019 1 AI1 or 021 1 AI2 or 023 1 AI3 set an analogue input as external sensor 019 3 AI1 or...

Page 57: ...S 178 the damper is deactivated if Treg WCS 122 the cooling valve is activated if Treg WCS 122 2 the cooling valve is deactivated Operation with modulating damper and on off cooling valve Do following settings 170 1 or 3 authorization of free cooling regardless the working season or 170 4 or 6 authorization of free cooling in cool ing mode only do the regulation on room sensor internal or remote s...

Page 58: ... Via Julius Durst 70 39042 BRESSANONE BZ Italy Tel 39 0472 830626 info industrietechnik it www industrietechnik it the parameter 122 2 if Treg WCS 122 the cooling valve is activated if Treg WCS 122 2 the cooling valve is deactivated ...

Page 59: ...123 178 Treg control temperature WHS heating operation setpoint 114 heating proportional band solid curve modulating damper output dashed curve modulating heating valve output If the control temperature drops below WHS the modulating damper in the presence of free heating conditions goes from the minimum opening position parameter164 to the maximum opening position parameter 165 in the band define...

Page 60: ...modulating heating valve output In the presence of free heating conditions If Treg WHS 114 2 the on off damper is activated If Treg WHS the damper is disabled The valve changes position from closed to open when Treg change from WHS 114 2 to WHS 114 Operation with on off bypass damper and modulating heating valve Do following settings 170 2 or 3 authorization of free heating regardless the working ...

Page 61: ... 6 authorization of free cooling in cool ing mode only do the regulation on room sensor internal or remote sensor 001 0 in case the remote sensor is used set an analogue input as remote sensor 019 1 AI1 or 021 1 AI2 or 023 1 AI3 set an analogue input as external sensor 019 3 AI1 or 021 3 AI2 or 023 3 AI3 external on off damper controlled by free cooling heating 010 1 and 011 1 or 2 025 11 DO1 or 0...

Page 62: ...eating valve output In the presence of free heating conditions If Treg WHS the on off damper is activated If Treg WHS 178 the damper is disabled If Treg WHS 122 the valve is activated If Treg WHS 122 2 the valve is deactivated Operation with modulating damper and on off heating valve Do following settings 170 2 or 3 authorization of free heating regardless the working season or 170 5 or 6 authoriz...

Page 63: ...t If the control temperature drops below WHS the modulating damper in the presence of free heating conditions goes from the minimum opening position parameter 164 to the maximum opening position parameter 165 in the band defined by the parameter 122 2 If Treg WHS 122 the on off valve is activated If Treg WHS 122 2 the on off valve is disabled ...

Page 64: ...er 178 Note if external modulating damper is used the presence of the heating battery is mandatory heating valve on off 002 4 and 025 4 DO1 or 026 4 DO2 or 027 4 DO3 or 028 4 DO4 or 029 4 DO5 or electrical resistance on off 002 3 and 025 7 DO1 or 026 7 DO2 or 027 7 DO3 or 028 7 DO4 or 029 7 DO5 or on off mixed use valve in heating 002 4 003 2 and 025 6 DO1 or 026 6 DO2 or 027 6 DO3 or 028 6 DO4 or...

Page 65: ...3 or modulating electrical resistance 002 1 and 030 6 AO1 or 031 6 AO2 or 032 6 AO3 Operation with on off bypass damper Do following settings 170 1 or 3 authorization of free cooling regardless the season do the regulation on room sensor internal or remote sensor 001 0 in case the remote sensor is used set an analogue input as remote sensor 019 1 AI1 or 021 1 AI2 or 023 1 AI3 set an analogue input...

Page 66: ...ff cooling valve 003 2 and 025 5 DO1 or 026 5 DO2 or 027 5 DO3 or 028 5 DO4 or 029 5 DO5 or on off mixed use valve in cooling 002 4 003 2 and 025 6 DO1 or 026 6 DO2 or 027 6 DO3 or 028 6 DO4 or 029 6 DO5 or modulating cooling valve 003 1 and 030 4 AO1 or 031 4 AO2 or 032 4 AO3 or modulating mixed use cooling valve 002 2 003 1 and 030 5 AO1 or 031 5 AO2 or 032 5 AO3 if modulating bypass damper is u...

Page 67: ...ing regardless the season do the regulation on room sensor internal or remote sensor 001 0 in case the remote sensor is used set an analogue input as remote sensor 019 1 AI1 or 021 1 AI2 or 023 1 AI3 set an analogue input as external sensor 019 3 AI1 or 021 3 AI2 or 023 3 AI3 on off bypass damper for heat exchanger 010 2 011 1 and 012 1 025 13 DO1 or 026 13 DO2 or 027 13 DO3 or 028 13 DO4 or 029 1...

Page 68: ... parameter 008 4 a modulating output for the supply fan 030 1 AO1 or 031 1 AO2 or 032 1 AO3 and or a modulating output for the extractor fan 030 2 AO1 or 031 2 AO2 or 032 2 AO3 If you need a digital output to enable the supply or extractor fan set 025 19 DO1 or 026 19 DO2 or 027 19 DO3 or 028 19 DO4 or 029 19 DO5 In case of the presence of the supply fan set the minimum and maximum voltage applica...

Page 69: ...cator of the fan operating mode on display B Press the ESC button one or more times to select the speed of the fan in the case of on off fans with multiple speeds or modulating fans 008 2 or 3 or 4 SPE1 control with speed 1 SPE2 control with speed 2 SPE3 Control with speed 3 The selection made is saved automatically To exit the menu wait 4 seconds until display B stops flashing Note In case of ope...

Page 70: ... 169 integral time Depending on the type of fan they will work according to the following chart CO2 167 OFF Fan 1 on off speed CO2 167 168 0 Modulating fan ON CO2 167 168 OFF Fan 2 on off speed FAN1 FAN2 CO2 167 168 OFF Fan 3 on off speed FAN1 FAN3 FAN2 FAN1 FAN3 167 air exchange setpoint 168 air exchange proportional band VEL1 speed 1 154 100 x 151 150 150 for the supply and 154 100 x 153 152 152...

Page 71: ...S 157 0 Modulating fan ON Treg WCS 157 OFF Fan 2 on off speed FAN1 FAN2 Treg WCS 157 OFF Fan 3 on off speed FAN1 FAN3 FAN2 FAN1 FAN3 Treg temperature of the control sensor WCS cooling operation setpoint 157 proportional band of the fan VEL1 speed 1 154 100 x 151 150 150 for the supply and 154 100 x 153 152 152 for the extraction VEL2 speed 2 155 100 x 151 150 150 for the supply and 155 100 x 153 1...

Page 72: ...ortional band of the fan VEL1 speed 1 154 100 x 151 150 150 for the supply and 154 100 x 153 152 152 for the extraction VEL2 speed 2 155 100 x 151 150 150 for the supply and 155 100 x 153 152 152 for the extraction VEL3 speed 3 156 100 x 151 150 150 for the supply and 156 100 x 153 152 152 for the extraction For the two speed fan if Treg WHS speed 1 is ON and if Treg decreases when Treg WHS 157 sp...

Page 73: ... off speed FAN1 FAN2 Treg WCS OFF Fan 3 on off speed FAN1 FAN3 FAN2 FAN1 FAN3 157 157 157 158 Treg temperature of the control sensor WCS cooling operation setpoint 157 proportional band of the fan 158 step enabling for supply fan VEL1 speed 1 154 100 x 151 150 150 for the supply and 154 100 x 153 152 152 for the extraction VEL2 speed 2 155 100 x 151 150 150 for the supply and 155 100 x 153 152 152...

Page 74: ...r control Treg WHS OFF Fan 1 on off speed Treg WHS 157 0 Modulating fan ON Treg WHS 157 OFF Fan 2 on off speed FAN1 FAN2 Treg WHS 157 OFF Fan 3 on off speed FAN1 FAN3 FAN2 FAN1 FAN3 158 157 Treg temperature of the control sensor WHS heating operation setpoint 157 proportional band of the fan 158 step enabling for supply fan VEL1 speed 1 154 100 x 151 150 150 for the supply and 154 100 x 153 152 15...

Page 75: ...lue between the theoretical control speed based on the temperature only see the paragraph Control of speed based on temperature 009 2 page 71 and the theoretical control speed based on the CO2 only see the paragraph Control of speed based on CO2 009 1 page 70 Control of speed based on pressure with direct action 009 5 This type of control only applies to modulating fans To use this function set th...

Page 76: ...dehumidification 139 1 for built in humidity sensor models AH xxxSH1 139 2 for a remote 0 10V humidity transmitter set 023 6 and position jumper JP1 on position 2 3 then input sensor AI3 is set for 0 10V input transmitter the corresponding range is set to 0 100 r H 206 0 and 207 100 with unit set to r H 208 1 Set regulation parameters for dehumidification 141 neutral zone humidity 142 set humidity...

Page 77: ...tion on free cooling heating Activate free cooling and or heating with parameter170 Set parameters of free cooling and or heating from 171 to 178 see 35 Configuration of installer parameters level 2 password page 120 Regulation on free cooling heating and CO2 011 2 regulation on free cooling heating and CO2 Activate free cooling and or heating with parameter170 Set parameters of free cooling and o...

Page 78: ... page 53 when conditions of free cooling heating are present and there is a cooling or heating request this request is not considered if a bypass damper for cross flow heat exchanger based only on free cooling heating is used Regulation of on off damper based on air quality In rooms where a lot of people are present it is necessary to regulate the air quality to ensure fresh air when the CO2 conce...

Page 79: ...odels AH xxxSH1 only 139 2 or 139 4 in cooling only with a remote 0 10V humidity transmitter Set 023 6 input 0 10V humidity and position jumper JP1 on position 2 3 then input sensor AI3 is set for 0 10V input transmitter the corresponding range is set to 0 100 r H 206 0 and 207 100 with unit set to r H 208 1 select the type of regulated damper 010 1 external regulated on off damper select the type...

Page 80: ...basato sul free cooling heating e CO2 Attivare il free cooling e o heating con il parametro170 Set parameters of free cooling and or heating from 171 to 178 see 35 Configuration of installer parameters level 2 password page 120 023 5 input AI3 0 10V CO2 Set regulationparameters from167 to 169 setpoint proportional band and integral time CO2 Regulation on humidity dehumidification 011 3 regulation ...

Page 81: ...CO2 concentration 167 setpoint 168 proportional band 169 integral time The modulating damper is regulated between minimum and maximum opening positions as indicated on the following figure H 142 143 100 0 dehum CO2 167 168 165 0 Val_damper 164 141 2 H 100 0 142 hum 141 2 143 H 142 143 100 0 dehum 141 2 H 100 0 142 hum 141 2 143 WDS WDS WUS WUS Val_damper theoretical value of the damper control 164...

Page 82: ...er164 and the maximum opening position parameter165 of the damper select the type of damper control 011 3 control based on dehumidication define which analogue output is the modulating damper 030 9 AO1 or 031 9 AO2 or 032 9 AO3 define PI regulation parameters for dehumidification 141 neutral zone humidity 142 humidity setpoint 143 proportional band humidity 144 integral time humidity The modulatin...

Page 83: ...onditions for recovery The heat exchanger excluded cross flow heat exchanger is not always active it is activated in heating if there is a heating request and if the following condition of activation in heating is verified ON OFF Ext Ret 182 181 184 183 Diff 182 181 ON OFF Ret Ext 182 181 Ret return temperature Ext external temperature 181 setpoint of heat exchanger 182 differential of heat exchan...

Page 84: ...ooling and or heating without considering cooling and or heating request during exchanger frost protection alarm if 186 1 or 3 Parameter setting and operating 010 5 bypass on off based on free cooling heating only 011 1 damper regulated on free cooling heating 012 1 cross flow heat exchanger Select output for bypass damper 025 20 DO1 or 026 20 DO2 or 027 20 DO3 or 028 20 DO4 or 029 20 DO5 Activate...

Page 85: ...ng with ON icon is off OFF icon is on The icon is flashing to indicate free heating or cooling in progress Partial heat recovery because the modulating bypass damper is regu lated based on the current cooling heating request during free cooling or free heating conditions bypass damper partially open OFF icon is on No heat recovery because of free cooling and or heating bypass damper completely ope...

Page 86: ...116 2 178 Treg 178 100 0 P Bypass 100 Treg P Treg Treg Treg Treg Treg Bypass P Treg control temperature WCS cooling operation setpoint 116 cooling proportional band 178 hysteresis regulation free heating cooling solid curve upper part modulating bypass damper output dashed curve modulating cooling valve output P pump of double coil heat exchanger output With cooling recovery conditions If temperat...

Page 87: ...hout cooling valve Do following settings set type of heat exchanger 012 2 select a digital output for the pump 025 14 DO1 or 026 14 DO2 or 027 14 DO3 or 028 14 DO4 or 029 14 DO5 do the regulation on room sensor internal or remote sensor 001 0 define the return air sensor 019 1 AI1 or 021 1 AI2 or 023 1 AI3 define external sensor 019 3 AI1 or 021 3 AI2 or 023 3 AI3 If return sensor or external sens...

Page 88: ...resis regulation free heating cooling solid curve upper part pump of double coil heat exchanger output dashed curve modulating cooling valve output Bypass on off bypass damper output With cooling recovery conditions If temperature of regulation sensor rises above WCS icon is switched on the pump is activated and the on off bypass is deactivated The cooling valve goes from closed position to open p...

Page 89: ...igital output for the pump 025 14 DO1 or 026 14 DO2 or 027 14 DO3 or 028 14 DO4 or 029 14 DO5 do the regulation on room sensor internal or remote sensor 001 0 define the return air sensor 019 1 AI1 or 021 1 AI2 or 023 1 AI3 define external sensor 019 3 AI1 or 021 3 AI2 or 023 3 AI3 If return sensor or external sensor is broken open or short circuit heat exchanger is deactivated On off bypass dampe...

Page 90: ...d 178 hysteresis regulation free heating cooling solid curve upper part modulating bypass damper output dashed curve modulating heating valve output P pump of double coil heat exchanger output With heating recovery conditions If temperature of regulation sensor drops below WHS icon is switched on the pump is activated and the modulating bypass damper goes from the maximum opening position paramete...

Page 91: ...er without heating valve Do following settings set type of heat exchanger 012 2 select a digital output for the pump 025 14 DO1 or 026 14 DO2 or 027 14 DO3 or 028 14 DO4 or 029 14 DO5 do the regulation on room sensor internal or remote sensor 001 0 define the return air sensor 019 1 AI1 or 021 1 AI2 or 023 1 AI3 define external sensor 019 3 AI1 or 021 3 AI2 or 023 3 AI3 If return sensor or externa...

Page 92: ...ration setpoint 114 heating proportional band 178 hysteresis regulation free heating cooling solid curve upper part pump of double coil heat exchanger output dashed curve modulating heating valve output Bypass on off bypass damper output With heating recovery conditions If temperature of regulation sensor drops below WHS icon is switched on the pump is activated and the on off bypass damper is dea...

Page 93: ...al output for the pump 025 14 DO1 or 026 14 DO2 or 027 14 DO3 or 028 14 DO4 or 029 14 DO5 do the regulation on room sensor internal or remote sensor 001 0 define the return air sensor 019 1 AI1 or 021 1 AI2 or 023 1 AI3 define external sensor 019 3 AI1 or 021 3 AI2 or 023 3 AI3 If return sensor or external sensor is broken open or short circuit heat exchanger is deactivated On off bypass damper fo...

Page 94: ...igital output for the rotary on off heat exchanger 025 14 DO1 or 026 14 DO2 or 027 14 DO3 or 028 14 DO4 or 029 14 DO5 do the regulation on room sensor internal or remote sensor 001 0 define the return air sensor 019 1 AI1 or 021 1 AI2 or 023 1 AI3 define external sensor 019 3 AI1 or 021 3 AI2 or 023 3 AI3 If return sensor or external sensor is broken open or short circuit heat exchanger is deactiv...

Page 95: ... WCS cooling operation setpoint 122 hysteresis for on off output 178 hysteresis regulation free heating cooling solid curve upper part modulating bypass damper output dashed curve on off cooling valve output P rotary on off heat exchanger output With cooling recovery conditions If temperature of regulation sensor rises above WCS icon is switched on the rotary on off heat exchanger is activated and...

Page 96: ... exchanger 025 14 DO1 or 026 14 DO2 or 027 14 DO3 or 028 14 DO4 or 029 14 DO5 do the regulation on room sensor internal or remote sensor 001 0 define the return air sensor 019 1 AI1 or 021 1 AI2 or 023 1 AI3 define external sensor 019 3 AI1 or 021 3 AI2 or 023 3 AI3 If return sensor or external sensor is broken open or short circuit heat exchanger is deactivated On off bypass damper for heat excha...

Page 97: ...r 029 6 DO5 Treg 178 100 0 100 0 Treg 122 WCS 122 2 178 Treg 178 100 0 Bypass 100 0 Treg WCS 178 Treg 178 100 0 Bypass P Treg Treg Treg Treg control temperature WCS cooling operation setpoint 122 hysteresis for on off output 178 hysteresis regulation free heating cooling solid curve upper part rotary on off heat exchanger output dashed curve on off cooling valve output Bypass bypass damper for hea...

Page 98: ... AI1 or 021 1 AI2 or 023 1 AI3 define external sensor 019 3 AI1 or 021 3 AI2 or 023 3 AI3 If return sensor or external sensor is broken open or short circuit heat exchanger is deactivated Modulating bypass damper for heat exchanger 010 4 011 1 030 13 AO1 or 031 13 AO2 or 032 13 AO3 modulating heating valve 002 2 and 030 3 AO1 or 031 3 AO2 or 032 3 AO3 or modulating mixed use valve in heating 002 2...

Page 99: ... 122 2 Treg 178 100 0 100 0 Treg 122 WCS 122 2 178 Treg 178 100 0 Bypass 100 0 Treg P Treg 178 100 0 100 0 Treg 122 WHS 122 2 178 100 0 Treg 178 Bypass 100 0 Treg WHS P P P Treg control temperature WHS heating operation setpoint 122 hysteresis for on off output 178 hysteresis regulation free heating cooling solid curve upper part modulating bypass damper for heat exchanger output dashed curve on o...

Page 100: ... digital output for the rotary on off heat exchanger 025 14 DO1 or 026 14 DO2 or 027 14 DO3 or 028 14 DO4 or 029 14 DO5 do the regulation on room sensor internal or remote sensor 001 0 define the return air sensor 019 1 AI1 or 021 1 AI2 or 023 1 AI3 define external sensor 019 3 AI1 or 021 3 AI2 or 023 3 AI3 If return sensor or external sensor is broken open or short circuit heat exchanger is deact...

Page 101: ...02 4 003 2 and 025 6 DO1 or 026 6 DO2 or 027 6 DO3 or 028 6 DO4 or 029 6 DO5 122 WHS 122 2 122 WCS 122 2 Treg 178 100 0 100 0 Treg 122 WCS 122 2 178 Treg 178 100 0 Bypass 100 0 Treg WCS 178 Treg 178 100 0 Bypass P Treg 178 100 0 100 0 Treg 122 WHS 122 2 178 100 0 Treg 178 Bypass 100 0 Treg WHS 178 100 0 Treg 178 Bypass P P P Treg control temperature WHS heating operation setpoint 122 hysteresis fo...

Page 102: ... 186 1 and 3 on off bypass is forced to OFF modulating bypass is forced to minimum opening position defined by parameter164 If parameter 186 1 or 3 on off bypass is forced to ON modulating bypass is forced to maximum opening position defined by parameter165 Modulating rotary heat exchanger To be able to operate ventilation must be activated otherwise it is always disabled if a request of cooling h...

Page 103: ...um speed is different from 0 183 0 icon is switched off and the bypass remains OFF if minimum speed is equal to 0 183 0 and if Treg WCS 178 the on off bypass damper is activated and icon is switched off Operation with on off bypass heat exchanger and cooling on off valve Do following settings set type of heat exchanger 012 4 select an analogue output for the modulating rotary heat exchanger 030 12...

Page 104: ... 019 3 AI1 or 021 3 AI2 or 023 3 AI3 If return sensor or external sensor is broken open or short circuit heat exchanger is deactivated On off bypass damper for heat exchanger 010 2 011 1 025 13 DO1 or 026 13 DO2 or 027 13 DO3 or 028 13 DO4 or 029 13 DO5 Treg 100 0 Treg 116 WCS 116 2 Treg 178 100 0 100 0 Treg WCS 178 Treg 178 100 0 Treg Bypass Bypass 100 0 Treg 122 WCS 122 2 Treg 178 100 0 Bypass T...

Page 105: ...ps below WHS the on off bypass damper is deactivated with 183 0 icon is switched on the modulating rotary heat exchanger changes speed from the minimum to maximum when Treg changes from WHS to WHS 114 2 The heating valve goes from closed position to open position when Treg changes from WHS 114 2 to WHS 114 The modulating rotary heat exchanger reaches its minimum speed if Treg WHS if minimum speed ...

Page 106: ...ent from 0 183 0 icon is switched off and the bypass remains OFF if minimum speed is equal to 0 183 0 and if Treg WHS 178 the on off bypass damper is activated and icon is switched off Operation with on off bypass heat exchanger without heating valve Do following settings set type of heat exchanger 012 4 select an analogue output for the modulating rotary heat exchanger 030 12 AO1 o 031 12 AO2 o 0...

Page 107: ...of modulating rotary heat exchanger is not equal to 0 icon is switched off and the bypass remains OFF During operation the ON or OFF icons indicate the status of the heat exchanger Icon status Indication ON icon is on Rotary heat exchanger running heat recovery in progress OFF icon is flashing Rotary heat exchanger stopped for free heating or free cooling OFF icon is on Rotary heat exchanger stopp...

Page 108: ...peed of the supply fan is reduced relative to the extract fan and the bypass is open The parameter 187 allows you to select the percentage of the speed reduction The bypass is open allowing the heat recovery air to heat the heat ex change device plates Se 186 4 the speed of the supply fan is reduced relative to the extract fan and a pre heating electric heater placed on the heat exchanger is activ...

Page 109: ...n If one of the digital inputs is configured as a condensation alarm contact 015 8 DI1 or 017 8 DI2 or an analogue input is configured as a condensation contact 019 15 AI1 or 021 15 AI2 or 023 15 AI3 and condensation alarm is activated the cooling valve is closed while the other functions remain active and the and icons flash 28 Timer extension or forced presence modes If timer periods are used fo...

Page 110: ... 2 if the controller is used in the USA In the latter case also set the unit of measurement to F by setting the parameter 196 to 1 All temperature parameters will then be expressed in F and the controller will use this scale automatically For all regions different from Europe and the USA set the parameter 197 to 0 In this case the summertime change cannot be updated automatically Update the time a...

Page 111: ...015 AO2 OUT_B 10014 AO1 OUT_A 10013 DO5 STATE_REL5 10012 DO4 STATE_REL4 10011 DO3 STATE_REL3 10010 DO2 STATE_REL2 10009 DO1 STATE_REL1 10008 Example Enabling of relay 1 in forced mode Forced key 01100110 00000001 in binary 26113 in decimal Write variable FORCED_OUTPUTS_KEY to 26113 Activation of the relay write variable STATE_REL1 to 1 Deactivation of the relay write variable STATE_REL1 to 0 Enabl...

Page 112: ...o alarm CoF Configuration not valid Outputs for valves electric heater humidifier and dehumidifier are deactivated FIA Severe filter All control is stopped FI General filter Just an indication no effect on control FIS Supply filter Just an indication no effect on control FIE Extractor filter Just an indication no effect on control AL General Just an indication no effect on control ALC Condensation...

Page 113: ...mes the sensor AI1 regardless of the value of parameter 106 If both are broken the operating sensor cannot be determined Regulation is stopped If parameter 193 or 194 is set to 6 the corresponding operating setpoint is shown on the display If the operating temperature cannot be calculated sensor open or in short circuit is shown on the display For sensors used as external sensors in the event of a...

Page 114: ...thout saving To exit the menu press the ESC button one or more times or wait for about 120 seconds Parameter Description Default Min Max 001 Type of control sensor 0 control with room sensor 1 control with supply sensor 0 0 1 002 Type of heating battery 0 no heating battery 1 modulating electrical resistance 2 modulating valve 3 on off electrical resistance 4 on off valve 0 0 4 003 Type of cooling...

Page 115: ... remote On Off INPUT ON OFF INPUT OFF ON 3 non occupied holiday INPUT ON Occupied 4 economy boost INPUT ON economy activated 5 forced presence contact INPUT ON forced control with base setpoint 6 frost protection INPUT ON frost protection alarm 7 generic alarm INPUT ON generic alarm 8 condensation contact INPUT ON condensation alarm 9 generic filter contact INPUT ON generic filter alarm 10 supply ...

Page 116: ...ed 11 economy boost INPUT ON economy activated 12 forced presence contact INPUT ON forced control with base setpoint 13 frost protection INPUT ON frost protection alarm 14 generic alarm INPUT ON generic alarm 15 condensation contact INPUT ON condensation alarm 16 generic filter contact INPUT ON generic filter alarm 17 supply filter contact INPUT ON supply filter alarm 18 extract filter contact INP...

Page 117: ...ff fan 2 speed 2 for on off fan 3 speed 3 for on off fan 4 heating valve 5 cooling valve 6 mixed use valve 7 electrical resistance 8 post heating valve 9 post heating electrical resistance 10 authorisation for humidifier 11 external regulated damper 12 external damper 13 bypass damper for heat exchanger 14 double battery heat exchanger or on off rotary heat exchanger 15 pre heating electrical resi...

Page 118: ...umidifier 11 external regulated damper 12 external damper 13 bypass damper for heat exchanger 14 double battery heat exchanger or on off rotary heat exchanger 15 pre heating electrical resistance for heat exchanger 16 on off humidifier 17 on off dehumidifier 18 fan alarm output 19 relay for EC motors 20 bypass damper for cross flow heat exchanger based on free c h only 0 0 20 030 Analogue output f...

Page 119: ...r 2 4 pipe mode 4 cooling valve output for 2 4 pipe mode 5 mixed use valve output for 2 tube mode 6 modulating electrical resistance output 7 post heating valve output 8 post heating electrical resistance output 9 modulating damper output 10 modulating humidifier 11 modulating dehumidifier 12 modulating rotary heat exchanger 13 modulating bypass damper for heat exchanger 0 0 13 Note Depending on t...

Page 120: ...correction parameter 104 is added to the temperature reading of the external sensor AI2 0 5 0 9 0 5 0 9 0 105 Correction of temperature sensor AI3 K C F The correction parameter 105 is added to the temperature reading of the external sensor AI3 0 5 0 9 0 5 0 9 0 106 Weighting of the remote control sensor AI1 in relation to the internal sensor if 019 1 to create the control sensor 106 0 internal se...

Page 121: ... Minimum low supply limit setpoint C F 10 0 50 6 0 43 128 127 Activation of maximum supply limit for fixed point control 0 not enabled 1 enabled in cooling mode 2 enabled in heating mode 3 enabled in cooling and heating modes 0 0 3 128 High supply limit setpoint C F 30 0 86 126 50 0 122 129 Limit proportional band K C F 2 0 3 6 1 0 1 8 20 0 36 0 130 Activation of compensation for operations with 0...

Page 122: ...in temperature C F 1 0 1 8 1 0 1 8 5 0 9 0 158 Step activation of the modulating fans 10 0 100 159 Start delay in control of start up s Defines the minimum delay from the switching on the appliance before the control of the valves and or electrical resistances and fans begins 0 0 600 160 Ventilation off delay s Defines the minimum delay for maintaining operation of the fan after deactivation of th...

Page 123: ...speed of modulating rotary heat exchanger 0 0 184 184 Maximum speed of modulating rotary heat exchanger 100 183 100 185 Frost protection heat exchanger setpoint C F 5 0 41 4 0 39 10 0 50 186 Frost protection heat exchanger action 0 reduction of the supply fan speed 1 bypass of the heat exchanger 2 activation of pre heating electrical resistance of the heat exchanger 3 reduction of the supply fan s...

Page 124: ... for the duration198 if 199 1 the appliance remains switched on for the duration 198 regardless of the timer periods 60 1 480 199 Timer periods function 0 timer periods for normal economy boost operation 1 timer periods to switch on off the appliance 0 0 1 200 Modbus baud rate 1 2400 2 4800 3 9600 4 19200 5 38400 bit s for AHU xMxSx1 models only 4 1 5 201 Modbus parity 0 none 1 odd 2 even for AHU ...

Page 125: ...Julius Durst 70 39042 BRESSANONE BZ Italy Tel 39 0472 830626 info industrietechnik it www industrietechnik it Parameter Description Default Min Max 212 Temperature humidity control priority 0 Temperature priority 1 Humidity priority 0 0 1 ...

Page 126: ...boost mode 015 5 Input DI1 or 017 5 Input DI2 Forced presence Logic DI1 016 Logic DI2 018 0 1 No forced presence Forced presence 015 6 Input DI1 or 017 6 Input DI2 Heat frost protection battery Logic DI1 016 Logic DI2 018 0 1 Frost protection off Frost protection on 015 7 Input DI1 or 017 7 Input DI2 Generic alarm Logic DI1 016 Logic DI2 018 0 1 No alarm Alarm active 015 8 Input DI1 or 017 8 Input...

Page 127: ...1 or 017 12 Input DI2 Stop all alarm Logic DI1 016 Logic DI2 018 0 1 No stop all alarm Stop all alarm 015 13 Input DI1 or 017 13 Input DI2 Fan alarm Logic DI1 016 Logic DI2 018 0 1 No fan alarm Fan alarm 015 14 Input DI1 or 017 14 Input DI2 Frost protection heat exchanger alarm Logic DI1 016 Logic DI2 018 0 1 No frost protection heat exchanger Frost protection heat ex changer ...

Page 128: ...not equal to 0 019 4 Frost protection heat exchanger sensor The AI1 sensor is used as a frost protection heat exchanger sensor 019 5 to 7 Not selectable by the AI1 sensor 019 8 Remote season change contact 020 0 1 Summer Winter 019 9 Remote on off contact 020 0 1 On Off 019 10 Non occupied holiday remote contact 020 0 1 Non occupied holiday mode Occupied mode 019 11 Energy savings remote contact 0...

Page 129: ... regulation sensor The AI2 sensor is used together with the internal sensor to obtain the final room regulation temperature according to the parameter 106 see 8 Control sensors page 16 021 2 Supply sensor The AI2 sensor is used as a limit sensor for fixed point regulation with limits 125 and or 127 not equal to 0 or as a regulation sensor for the valves 001 1 or as a regulation sensor in the casca...

Page 130: ...lter alarm 021 17 Supply filter alarm contact 022 0 1 No supply filter alarm Supply filter alarm 021 18 Extraction filter alarm contact 022 0 1 No extraction filter alarm Extraction filter alarm 021 19 Stop all alarm contact 022 0 1 No stop all alarm Stop all alarm 021 20 Fan alarm contact 022 0 1 No fan alarm Fan alarm 021 21 Frost protection heat exchanger alarm contact 022 0 1 No frost protecti...

Page 131: ...sensor 023 5 Air quality input 0 10V Jumper JP1 position 3 2 Setting 023 5 automatically 206 0 207 2000 208 0 023 6 Humidity transmitter input 0 10V Jumper JP1 position 3 2 Setting 023 6 automatically 206 0 207 100 208 1 023 7 Pressure transmitter input 0 10V Jumper JP1 position 3 2 Set the scale of the connected pressure transmitter 206 207 and set 208 0 023 8 Remote season change contact 024 0 1...

Page 132: ...o frost protection heat exchanger Frost protection heat exchanger alarm For configurations 023 8 to 21 the analogue input 3 is used as a digital input The contact is considered closed if it is short circuited at the analogue input The contact is considered open if there is no connection Note In case the same function is assigned to the digital and or analogue inputs the following priority is consi...

Page 133: ...e visualized Screen Input output Second line indication dI1 0 Digital input 1 0 contact open 1 contact closed dI2 0 Digital input 2 0 contact open 1 contact closed AI1 17 3 Analogue input 1 Input sensor 019 1 and 019 4 20 0 sensor open 97 0 short circuit on sensor 15 0 90 0 temperature value noS input not used Contact input 019 8 0 contact open 1 contact closed AI1 20 5 Analogue input 2 Input sens...

Page 134: ...deactivated 1 relay activated dO4 0 Digital output 4 0 relay deactivated 1 relay activated dO5 0 Digital output 5 0 relay deactivated 1 relay activated AO1 0 Analogue output 1 0 0 10 0 voltage value AO2 0 Analogue output 2 0 0 10 0 voltage value AO3 0 Analogue output 3 0 0 10 0 voltage value To exit the menu press the ESC button one or more times or wait for about 120 seconds ...

Page 135: ... screen is displayed PAS 1 Press the button and then the button until the value 33 is displayed Press the button to access the default parameters reset level R01 0 To cancel and return to the controller press the ESC button To activate the procedure press the button the value 0 starts to flash Press the button to change the value to 1 and press the button again The reset procedure starts the displ...

Page 136: ...ctor on the other The connection can be made with the device powered up or switched off When the USB cable is connected to the device the display switches off and the device is ready for configuration update 40 Jumper configuration JP1 JP3 Term ON Term OFF AI3 NTC10K AI3 0 10V JP3 Term ON 120 ohm termination resistor of the Modbus line INSERTED AHU xMxSx1 model JP3 OFF 120 ohm termination resistor...

Page 137: ...EL2 0 relay 2 deactivated 1 relay 2 activated 0 1 R W 10010 STATE_REL3 0 relay 3 deactivated 1 relay 3 activated 0 1 R W 10011 STATE_REL4 0 relay 4 deactivated 1 relay 4 activated 0 1 R W 10012 STATE_REL5 0 relay 5 deactivated 1 relay 5 activated 0 1 R W 10013 OUT_A output value AO1 volt Note3 0 100 R W 10014 OUT_B output value AO2 volt Note3 0 100 R W 10015 OUT_C output value AO3 volt Note3 0 100...

Page 138: ...otection heating battery status 0 frost protection alarm not present 1 frost protection alarm 0 1 R 10043 FLAG_FREE_COOLING_CONDITION free cooling condition 0 conditions for free cooling present 1 conditions for free cooling not present 0 1 R 10044 FLAG_FREE_HEATING_CONDITION free heating condition 0 conditions for free heating present 1 conditions for free heating not present 0 1 R 10045 FLAG_CUR...

Page 139: ..._FILTER_ALARM 0 no supply fan filter alarm 1 filter alarm for supply fan 0 1 R 10058 FLAG_EXTRACT_FILTER_ALARM 0 no filter alarm for extract fan 1 filter alarm for extract fan 0 1 R 10059 FLAG_ALARM_STOP_ALL 0 no alarm stop all 1 stop all alarm 0 1 R 10060 FLAG_ALARM_VENTILATION fan alarm status 0 no alarm for fan 1 fan alarm 0 1 R from 10061 to 10077 Reserved addresses R 10078 TYPE_OF_HARDWARE 0 ...

Page 140: ...ith units in C 196 0 Value read Corresponding value C Frost alarm 700 70 0 C Operating temperature in fault mode heating 300 30 0 C Operating temperature in fault mode cooling 980 98 0 C Operating setpoint with units in F 196 1 Value read Corresponding value F Frost alarm 158 158 F Operating temperature in fault mode heating 22 22 F Operating temperature in fault mode cooling 209 209 F In 2 pipe m...

Page 141: ...te timer period 2 0 0 59 R W 9024 MON_HOUR_ON_3 Start of Monday hour timer period 3 17 0 23 R W 9025 MON_MIN_ON_3 Start of Monday minute timer period 3 0 0 59 R W 9026 MON_HOUR_OFF_3 End of Monday hour timer period 3 19 0 23 R W 9027 MON_MIN_OFF_3 End of Monday minute timer period 3 0 0 59 R W 9028 MON_HOUR_ON_4 Start of Monday hour timer period 4 21 0 23 R W 9029 MON_MIN_ON_4 Start of Monday minu...

Page 142: ...t of Thursday minute timer period 4 0 0 59 R W 9078 THU_HOUR_OFF_4 End of Thursday hour timer period 4 23 0 23 R W 9079 THU_MIN_OFF_4 End of Thursday minute timer period 4 0 0 59 R W 9080 FRI_HOUR_ON_1 Start of Friday hour timer period 1 6 0 23 R W 9081 FRI_MIN_ON_1 Start of Friday minute timer period 1 0 0 59 R W 9082 FRI_HOUR_OFF_1 End of Friday hour timer period 1 8 0 23 R W 9083 FRI_MIN_OFF_1 ...

Page 143: ... electrical resistance 2 modulating valve 3 on off electrical resistance 4 on off valve 002 0 0 4 R W 9119 TYPE_COOLING_COIL type of cooling battery 0 no cooling battery 1 modulating valve 2 on off valve 003 0 0 2 R W 9120 TYPE_POST_HEATING_COIL type of post heating battery 0 no post heating battery 1 modulating electrical resistance 2 modulating valve 3 on off electrical resistance 4 on off valve...

Page 144: ... contact INPUT ON frost protection active 7 generic alarm contact INPUT ON generic alarm 8 condensation contact INPUT ON condensate alarm 9 generic filter contact INPUT ON generic filter alarm 10 supply filter contact INPUT ON supply filter alarm 11 extraction filter contact INPUT ON extractor filter alarm 12 stop all alarm contact INPUT ON stop all alarm 13 fan alarm contact INPUT ON fan alarm 14...

Page 145: ...active 019 0 0 21 R W 9136 ANALOG_INPUT1_LOG Analogue input logic 1 with 019 8 to 21 0 normally open open INPUT OFF closed INPUT ON 1 normally closed closed INPUT OFF open INPUT ON 020 0 0 1 R W 9137 ANALOG_INPUT2_FUNC Analogue input operation 2 0 not used 1 remote control sensor 2 supply sensor 3 external sensor 4 frost protection heat exchanger sensor 8 season change remote contact INPUT ON wint...

Page 146: ... 21 R W 9140 ANALOG_INPUT3_LOG Analogue input logic 3 with 023 8 to 21 0 normally open open INPUT OFF closed INPUT ON 1 normally closed closed INPUT OFF open INPUT ON 024 0 0 1 R W 9141 DIG_OUTPUT1_FUNC Digital output operation 1 0 not used 1 speed 1 for on off fan 2 speed 2 for on off fan 3 speed 3 for on off fan 4 heating valve 5 cooling valve 6 mixed use valve 7 electrical resistance 8 post hea...

Page 147: ... fan 4 heating valve 5 cooling valve 6 mixed use valve 7 electrical resistance 8 post heating valve 9 post heating electrical resistance 10 authorisation for humidifier 11 external regulated damper 12 external damper 13 bypass damper for cross flow heat exchanger 14 double battery heat exchanger or on off rotary heat exchanger 15 pre heating electrical resistance for heat exchanger 16 on off humid...

Page 148: ...alve output for 2 4 pipe appliances 4 cooling valve output for 2 4 pipe appliances 5 mixed use valve output for 2 tube appliances 6 modulating electrical resistance output 7 post heating valve output 8 post heating electrical resistance output 9 modulating damper output 10 modulating humidifier 11 modulating dehumidifier 12 modulating rotary heat exchanger 13 modulating bypass damper for heat exch...

Page 149: ...C F Note1 128 400 86 126 500 122 R W 9178 PROP_BAND_LIM Proportional band for the limit Δ C Δ F Note1 129 20 36 10 18 200 360 R W 9179 AUTHORIZE_SETPOINT_COMPENSATION Activation of compensation for operations with 014 1 or 4 0 not enabled 1 enabled in cooling mode 2 enabled in heating mode 3 enabled in heating and cooling modes 130 0 0 3 R W 9180 TEMP_EXT_MIN_COMP_HEATING Minimum external temperat...

Page 150: ...0 0 600 R W 9210 SETPOINT_PRESSURE Pressure setpoint 161 1500 206 207 R W 9211 PROP_BAND_PRESSURE Proportional band for humidity 162 300 1 1000 R W 9212 INTEGRAL_TIME_PRESSURE Integral time for pressure s 163 0 0 999 R W 9213 MIN_OPENING_POS_DAMPER Minimum modulating damper opening 164 10 0 165 R W 9214 MAX_OPENING_POS_DAMPER Maximum modulating damper opening 165 100 164 100 R W 9215 DAMPER_STOP_D...

Page 151: ... heat battery K C F Note1 190 20 36 20 36 100 180 R W 9240 POS_COOLING_VALVE_ANTIFROST Percentage of cooling valve opening in case of frost protection heat battery alarm 191 0 0 100 R W 9241 MAX_HOUR_FAN_RUN hours counter of fan operation 192 2000 0 9990 R W 9242 VISU_TYPE_FIST_DISP Value displayed on display A 0 internal sensor temperature 1 external sensor temperature AI1 2 external sensor tempe...

Page 152: ...t of display B for input 0 10 V 0 ppm 1 R H 2 no unit 208 0 0 2 R W 9258 COR_AI3_VOLT_INPUT Correction of input 0 10 V AI3 209 0 980 980 R W 9259 PRIORITY_MANUAL_OFF Manual switch off priority 0 manual on off has not priority 1 manual on off has priority 210 0 0 1 R W 9260 LIMIT_MANUAL_SPEED Manual speed limit 211 50 15 100 R W 9261 PRIORITY_TEMP_HUM Temperature humidity control priority 0 tempera...

Page 153: ...d in the table example the address of the Modbus variable SUN_HOUR_ON_1 is 9000 1 8999 Note 1 Set all temperature parameters using the same unit defined by the UNIT_C_F register parameter 196 In C the values are displayed multiplied by 10 In F the values of the parameters 101 103 104 105 114 116 118 122 123 124 129 157 171 172 173 178 180 181 182 190 are displayed multiplied by 10 Note 2 The value...

Page 154: ...ded When the default parameters are loaded the controller returns to control mode and the register RESET_PARAM_TO_DE FAULT in address 9274 resets to 0 Clock setting via MODBUS To set the clock via the Modbus proceed as follows set the variables of registers 9268 to 9272 from YEAR_SET to MIN_SET set the variable of 9273 ABI_CLOCK_SET_FROM_MODBUS activation of clock update to 1 Once the clock has be...

Page 155: ...nes must be short at most 20 m long If you use a multi port tap for n branches each branch can be up to 40 m divided by n To increase the number of devices on the line or increase the length of the cables you must install a signal repeater Add a signal repeater for every group of 32 appliances connected Connection without repeater G N D MODBUS A B Master es Cavo Belden 3106A G N D B A G N D B A G ...

Page 156: ...ply 16 17 AO1 G G0 24Vac Y G0 AI3 DO1 1 2 AI1 AI2 DI1 DI2 MODBUS RTU AH xMxxx B 10 11 12 13 14 15 30 31 32 40 41 42 43 44 DO2 A GND L N 230Vac Power Supply 16 17 AO1 G G0 24Vac Y G0 AI3 18 AO2 G0 Y G G0 G0 G G G0 N L DI1 GND DI2 AI1 GND AI2 AO1 GND COM DO2 DO1 AI3 GND GND A B AO2 AI3 GND GND A B N L DI1 GND DI2 AI1 GND AI2 AO1 GND COM DO1 AO2 GND AO3 1 2 10 11 12 13 14 15 16 17 18 19 20 30 31 40 4...

Page 157: ...on DO1 1 2 AI1 AI2 DI1 DI2 AI3 MODBUS RTU AH xMxxx B 10 11 12 13 14 15 30 31 35 40 41 42 43 44 DO2 32 DO3 33 DO4 34 DO5 A GND L N 230Vac Power Supply AH 4xxSx1 N L DI1 GND DI2 AI1 GND AI2 AO1 GND COM DO3 DO2 DO1 AI3 GND GND A B DI1 GND DI2 AI1 GND AI2 AO1 GND COM DO2 DO1 AI3 GND GND A B AO2 N L DI1 GND DI2 AI1 GND AI2 COM DO5 DO4 DO3 AI3 GND GND A B DO2 DO1 10 11 12 13 14 15 16 17 18 30 31 40 41 4...

Page 158: ...chnik it www industrietechnik it 43 Dimensions 128 80 76 83 5 51 18 7 51 30 25 5 44 Mounting instructions Install the appliance in a location away from sources of heat and away from direct airflow at around 1 5 m above the floor Do not install the thermostat on particularly cold or hot walls or outside 150cm OK OK ...

Page 159: ...RESSANONE BZ Italy Tel 39 0472 830626 info industrietechnik it www industrietechnik it Installs with 3 module flush mounting housing E g Bticino 503E available on request Mounting hole centre distance 83 5 mm 1 1 2 3 1 2 2 2 1 2 3 3 4 5 1 2 4 4 5 4 5 5 3 4 5 2 ...

Page 160: ...160 160 AB Industrietechnik srl Via Julius Durst 70 39042 BRESSANONE BZ Italy Tel 39 0472 830626 info industrietechnik it www industrietechnik it ...

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