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industrie technik Evolution AHU-***S*1 series User Manual

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USER MANUAL
ROOM CONTROLLER
EVOLUTION
SERIES AHU-xxxSx1
EN
23/03/2018 Version 1.0.5

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Summary of Contents for industrie technik Evolution AHU-***S*1 series

  • Page 1 USER MANUAL ROOM CONTROLLER EVOLUTION SERIES AHU-xxxSx1 23/03/2018 Version 1.0.5...

  • Page 2: Table Of Contents

    TABLE OF CONTENT Technical features ............................6 Code selection ..............................6 Display, keypad and icons ..........................7 Quick access parameter setting .........................8 • Keypad lock ......................................8 • Switch on and off ....................................8 • ............................9 • .................................... 9 • ................................. 10 DATE and TIME setting (Model AHU-xxCSx1) ..................12 ...........12 Duplication of TIMER PERIODS (Model AHU-xxCSx1) ................15...
  • Page 3 ............................42 • ................................42 • ................................. 43 • ..................43 18. Humidity supply limits function ........................44 • ................................44 » ....................... 44 » ........................ 44 • ................................. 45 » ......................45 » ........................45 19. Temperature/humidity control priority .....................46 • ................................
  • Page 4 » ..................80 » ......................80 • ................................... 81 » ....................82 » ........................82 » 2 ...............................82 24. Heat exchanger ............................84 • ..................................84 • ................................85 • ................................ 87 » ..............87 » ................87 » .................. 88 »...
  • Page 5 42. Modbus (for AHU-xMxSx1 models) ......................138 • ........................138 • MODBUS VARIABLES FOR OPERATING PARAMETERS ......................142 • ............................155 • ................................155 • ..............................155 • ................................ 156 43. Electrical connections ..........................157 44. Dimensions ...............................159 45. Mounting instructions ..........................159 5/162 AB Industrietechnik srl –...

  • Page 6: Technical Features

    AHU room controller 1. Technical features Power: 110...230 Vca ±10%, 50/60 Hz Power consumption: max 1.3W Operating temperature: 0 - 50°C Display: backlit LCD display Inputs: 2 potential free contacts 2 or 3 NTC10K sensors Outputs: 3 analogue outputs 0... 10 V (R >...

  • Page 7: Display, Keypad And Icons

    3. Display, keypad and icons Display A Display B On/Off Timer extension on Clock setting continuously displayed Economy or boost function on General alarm Communications alarm Parameters menu Work season Cooling or free cooling on Battery frost protection or frost protection on Condensate alarm continuously displayed continuously displayed...

  • Page 8: Quick Access Parameter Setting

    in progress) Display C time zone number on Keyboard Speed type key and ESC operation in navigation (see 4. Quick access parameter setting • • • Fan operating mode • MODE button functionality MODE 195 (see 195=1: timer extension. • Keypad lock LK for one second.
  • Page 9 or 017=2 (DI2) or 019=9 (AI1 used as DI) or 021=9 (AI2 used as DI) or 023=9 (AI3 used as DI)). Example for digital input 1 (015=2): Unit ON= (016=0) Unit OFF= (016=0) Unit ON= (016=1) Unit OFF= (016=1). (see 138.
  • Page 10 • MODE button functionality buttons. Access to the rapid function using the MODE button: • If 195 “HEAT” “COOL” display B. button. • If 195 199=0. 198. button, noOC display B display B button. • If 195 199=0, 17). If 199 button, display B nOrM...
  • Page 11 Non-quick access to the functions using the keypad MODE mode functions: Parameter Description Default Timer extension noOC=timer extension off noOC noOC excluded if 199=0 199=1). 199=0: nOrM nOrM nOrM, tiMb, HOLY tiMb HOLY 199=1: nOrM nOrM nOrM, HOLY HOLY display B button again or wait for about 10 seconds.

  • Page 12: Date And Time Setting (Model Ahu-Xxcsx1)

    MODE Parameter Description Default systems): HEAT HEAT COOL HEAT=Heating mode CooL=Cooling mode Timer extension noOC=timer extension off noOC noOC are excluded if 199 199=1). display B current parameter value. button again or wait for about 10 seconds. 5. DATE and TIME setting (Model AHU-xxCSx1) CLK appears on display A and yMdH on display B.
  • Page 13 Timer period 1 Time Timer period 2 Time Timer period 3 Time Timer period 4 Time Operating mode Time ECO = economy/boost mode, NO ECO • 188=1. Timer period 1 Time Timer period 2 Time Timer period 3 Time Timer period 4 Time Operating...
  • Page 14 1--7 Parameter Description Timer period settings menu Timer period selection = Sunday Start of timer period (minutes) End of timer period (minutes) 14/162 AB Industrietechnik srl – Via Julius Durst, 70 – 39042 BRESSANONE (BZ) Italy – Tel: +39 0472/830626 – info@industrietechnik.it – www.industrietechnik.it...

  • Page 15: Duplication Of Timer Periods (Model Ahu-Xxcsx1)

    7. Duplication of TIMER PERIODS (Model AHU-xxCSx1) 2 days from Saturday to Sunday. yMdH Day to be copied: destination day buttons. days from Monday to Friday. If you set day will be copied button to cancel. Parameter Description Mo, tu, UE, tH, Fr, SA, Su Copy periods ( Monday Tuesday...

  • Page 16: Control Sensors

    8. Control sensors 014=3), - 2-pipe compensated (014=1) or 4-pipe compensated (014=4), - cascade (014=2). Types of control Control sensor Settings Internal: 019 and 106=0 Room Remote: 019=1 (AI1) or 021=1 (AI2) or 023=1 (AI3) and 106=100 Supply 019=2 (AI1) or 021=2 (AI2) or 023=2 (AI3) Internal: 019 and 106=0...

  • Page 17: Operating Setpoint, Economy/Boost, Holiday Modes

    9. Operating setpoint, ECONOMY/BOOST, HOLIDAY MODES 015=3 (DI1) or 017=3 (DI2) or an ana- 019=10 (AI1) or 021=10 (AI3) or 023 127). 2-pipe systems (014= 0, 1): cooling setpoint is increased by 121 WCS). 4-pipe systems (014=2, 3, 4): ing activation point is increased by 121 WCS).
  • Page 18 2-pipe graph (analogue output, cooling mode) 2-pipe graph (digital output, cooling mode) Temp Temp. ECONOMY ECONOMY HOLIDAY HOLIDAY Temp Temp. ( 120 or 121 ) (120 or 121) positive positive BOOST BOOST Temp. Temp 2-pipe graph (analogue output, heating mode) 2-pipe graph (digital output, heating mode) Temp Temp.
  • Page 19 4-pipe graph (analogue outputs) Temp. ECONOMY HOLIDAY Temp. positive positive negative) is not available in 4-pipe mode. 193 or 194 value corresponding to WHS WCS is displayed. 199=0 (see Mod=tiMb (see “3. active. timer periods are not considered (AH-xxCSx1 models). 10), AHU-xxCSx1 models).

  • Page 20: Batteries For Temperature And Humidity Control

    10. Batteries for temperature and humidity control 002, - cooling type battery 003, 004. 006. 007. Battery Type of battery Setting 002=0 Modulating electrical resistance 002=1 Heating battery 002=2 Electrical resistance on/off 002=3 Heating valve on/off 002=4 No cooling battery 003=0 Cooling battery Modulating cooling valve...
  • Page 21 030=4 (AO1) or Modulating cooling valve 031=4 (AO2) or 032=4 (AO3) 025=5 (DO1) or 026=5 (DO2) or Cooling valve on/off 027=5 (DO3) or 028=5 (DO4) or 029=5 (DO5) 030=5 (AO1) or Modulating mixed-use valve 031=5 (AO2) or 032=5 (AO3) 025=6 (DO1) or 026=6 (DO2) or Mixed-use valve on/off 027=6 (DO3) or...

  • Page 22: Logic Of Heating And Cooling Batteries

    11. Logic of heating and cooling batteries - 014: type of controller selected, - 002 - 003: type of cooling battery. • 2-pipe HEATING controller (014=0 or 1) HEAT” Modulating controller: 100% Treg WHS = 107 014=0) or calculated setpoint based on compensation (014=1) - modulating valve if 002=2 and 030=3 (AO1) or 031=3 (AO2) or 032=3 (AO3).
  • Page 23 • 2-pipe HEATING control (014=0 or 1) without mid-season mode (013=0) COOL” Modulating controller: 100% Treg WCS = 108 014=0) or calculated setpoint based on compensation (if 014=1) - modulating valve if 003=1 and 030=4 (AO1) or 031=4 (AO2) or 032=4 (AO3). - modulating mixed-use valve if 002=2 and 003=1 and 030=5 (AO1) or 031=5 (AO2) or 032=5 (AO3).
  • Page 24 • 2-pipe COOLING control (014=0 or 1) with mid-season mode (013=1) COOL” Mid-season mode with modulating heating element: 100% Treg WCS = 108 014=0) or calculated setpoint based on compensation (if 014=1) 002=1 and 030=6 (AO1) or 031=6 (AO2) or 032=6 (AO3). icon is displayed and remains displayed proportional action only if 115=0.
  • Page 25 • 4-pipe controller (014=3 or 4) 109 if 014 014=4 and 130 123. if 014=3: 109 - (123/2) - WCS = cooling setpoint =109 + (123/2) if 014=4: - WHS = calculated winter compensated setpoint - (123/2) - WCS = calculated winter compensated setpoint + (123/2) COOL”...
  • Page 26 icon is displayed. 117=0. Modulating heating control and cooling on/off: OUTH OUTC 100% Treg WHS = WCS = calculated cooling setpoint 123: neutral zone 002=2 and 030=3 (AO1) or 031=3 (AO2) or 032=3 (AO3). 002=1 and 030=6 (AO1) or 031=6 (AO2) or 032=6 (AO3). 003=2 and 025=5 (DO1) or 026=5 (DO2) or 027=5 (DO3) or 028=5 (DO4) or 029=5 (DO5).
  • Page 27 If Treg < (WHS - 122 ) icon is displayed. If Treg > (WCS + 122 icon is displayed. If Treg <= Controlling modulating heating and cooling on/off: OUTH OUTC 100% Treg 123: neutral zone 002=4 and 025=4 (DO1) or 026=4 (DO2) or 027=4 (DO3) or 028=4 (DO4) or 029=4 (DO5). 002=3, 025=7 (DO1) or 026=7 (DO2) or 027=7 (DO3) or 028=7 (DO4) or 029=7 (DO5) 003=1 and 030=4 (AO1) or 031=4 (AO2) or 032=4 (AO3).
  • Page 28 • Cascade control (014=2) 002=2 and 030=3 (AO1) or 031=3 (AO2) or 032=3 (AO3). - modulating electrical resistance if 002=1 and 030=6 (AO1) or 031=6 (AO2) or 032=6 (AO3). modulating cooling output: - modulating valve if 003=1 and 030=4 (AO1) or 031=4 (AO2) or 032=4 (AO3). 019=2 (AI1) or 021=2 (AI2) or 023=2 (AI3).
  • Page 29 Control with a single heating valve: 100% OUTH Modulating HEATING Supply setpoint Supply temp. 123/2 114: 123: neutral zone • supply temperature, 123) / 2, 115. ) icon is displayed. if I15=0. Control with a single cooling valve: 100% OUTC Modulating COOLING Supply temp.

  • Page 30: Mixed-Use Valve

    Control with heating and cooling valve: 123. 100% OUTH OUTC HEATING COOLING modulating modulating Supply temp. Supply setpoint • supply temperature, 123) / 2, 115. • supply temperature, 123) / 2, • proportional band for cooling supply control 116 • integral control time for cooling supply 117. if I15=0.

  • Page 31: Post-Heating Battery Logic

    13. Post-heating battery logic 004=2), an on/off valve (004=4), a modulating resistance (004=1), or an on/off resistance (004=3). 179) and is controlled 019=2 (AI1) or 021=2 (AI2) or 023=2 (AI3). - 005 - 005 - 005 • Post-heating operation or additional modulating heating stage: 004=2 and 030=7 (AO1) or 031=7 (AO2) or 032=7 (AO3).
  • Page 32 If Tsup < 179 -180 is a valve (or electrical resistance). If Tsup >= 179 deactivated. • Modulating integration operation: 004=2 and 030=7 (AO1) or 031=7 (AO2) or 032=7 (AO3). 004=1 and 030=8 (AO1) or 031=8 (AO2) or 032=8 (AO3). 100% Treg •...
  • Page 33 125 and 127 respectively. 019=2 (AI1) or 021=2 (AI2) or 023=2 (AI3). • Minimum limit: 125=1. 125=2. 125=3. 125=0. 019=1 for input AI1 or 021=1 for input AI2 or 023=1 for input AI3. Low limit in heating mode with modulating control: Val_lim_min_H Tlim Below 126...
  • Page 34 Low limit in cooling mode with modulating control: Val_lim_min_C Tlim 139=0): Below 126 LI-L is displayed. 007=0 and 139 Low limit in cooling mode with on-off control: Val_lim_min_C Tlim 126 - (proportional band 129 Below 126 - 129 LI-L is displayed. 34/162 AB Industrietechnik srl –...
  • Page 35 • Maximum limit: 127=1. 127=2. 127=3. 127=0. High limit in heating mode with modulating control: Val_lim_max_H Tlim Above 128 LI-H is displayed. High limit in heating mode with on-off control: Val_lim_max_H Tlim 128 + (proportional band 129 Above 128 + 129 LI-H is displayed.
  • Page 36 High limit in cooling mode with modulating control: Val_lim_max_C Tlim limit. Above 128 LI-H is displayed. High limit in cooling mode with on-off control: Val_lim_max_C Tlim 128 + (proportional band 129 Above 128 + 129 LI-H is displayed. Note 36/162 AB Industrietechnik srl –...

  • Page 37: Control With Setpoint Compensation

    15. Control with setpoint compensation - type of compensation: 030=1 for compensation in cooling mode, 019=3 for input AI1 or 021=3 for input AI2 or 023=3 for input AI3. • Compensation in 2-pipe heating mode or 4-pipe mode: 133 > 134. Set_comp_heat 131: 132:...
  • Page 38 • Compensation in the 2-pipe cooling mode: 137 > 138. Set_comp_cool 135: 136: 137: 138: 137 < 138. Set_comp_cool 135: 136: 137: 138: I37. I38. 38/162 AB Industrietechnik srl – Via Julius Durst, 70 – 39042 BRESSANONE (BZ) Italy – Tel: +39 0472/830626 – info@industrietechnik.it – www.industrietechnik.it...
  • Page 39 023=6). • % dehum 141 / 2 007=0, 003=1 and 030=4 (AO1) or 031=4 (AO2) or 032=4 (AO3) - or a modulating output for a mixed-use battery 030=5 (AO1) or 031=45 (AO2) or 032=5 (AO3), 139=1 or 139=3 only in cooling (AHU-xxxxH1 models only) 139=2 or 139=4 only in cooling, 023 141, 142,...
  • Page 40 • % dehum 141 / 2 007=1, 030=11 (AO1) or 031=11 (AO2) or 032=11 (AO3) , 139=1 or 139=3 only in cooling (AHU-xxxxH1 models only) 139=2 or 139=4 only in cooling, 023 141, 142, 143, 144. 142 + (141/2) and is proportional if 144=0 or propor- tional integral if 144 icon is displayed.
  • Page 41 • % dehum 141 / 2 007=2, 025=17 (DO1) or 026=17 (DO2) or 027=17 (DO3) or 028=17 (DO4) or 029=17 (DO5), 139=1 or 139=3 only in cooling (AHU-xxxxH1 models only) 139=2 or 139=4 only in cooling, 023 141, 142, 143. 142 + (141/2).
  • Page 42 • % hum 141 / 2 006=1, 030=10 or 031=10 or 032=10, 140=1 (AHU-xxxxH1 models only) 140=2, 023 141, 142, 143, 144. 142 - (141/2) and is proportional if 144=0 or proportional integral if 144 icon is displayed. 42/162 AB Industrietechnik srl – Via Julius Durst, 70 – 39042 BRESSANONE (BZ) Italy – Tel: +39 0472/830626 – info@industrietechnik.it – www.industrietechnik.it...
  • Page 43 • % hum 141 / 2 006=2, 025=16 (DO1) or 026=16 (DO2) or 027=16 (DO3) or 028=16 (DO4) or 029=16 (DO5), 140=1 (AHU-xxxxH1 models only) 140=2, 023 141, 142, 142 - (141/2). icon is displayed. • 025=10 (DO1) or 026=10 (DO2) or 027=10 (DO3) or 028=10 (DO4) or 029=10 (DO5), 43/162 AB Industrietechnik srl –...

  • Page 44: Humidity Supply Limits Function

    18. Humidity supply limits function 145 and 147 respectively. 023=6). • 145=1, 149. Lim_min_dehum Hlim limit. Below 146 LILH is displayed. Lim_min_dehum Hlim I46 - Below 146 - 149 LILH is displayed. 44/162 AB Industrietechnik srl – Via Julius Durst, 70 – 39042 BRESSANONE (BZ) Italy – Tel: +39 0472/830626 – info@industrietechnik.it – www.industrietechnik.it...
  • Page 45 • 147=1, 149. Lim_max_hum Hlim Above 148 LIHH is displayed. Lim_max_hum Hlim I49), Above 148 LIHH is displayed. 45/162 AB Industrietechnik srl – Via Julius Durst, 70 – 39042 BRESSANONE (BZ) Italy – Tel: +39 0472/830626 – info@industrietechnik.it – www.industrietechnik.it...

  • Page 46: Temperature/Humidity Control Priority

    19. Temperature/humidity control priority 212: - 212 To do again temperature regulation, temperature must vary as indicated below: Heating (dehumidif) Authorization Treg Cooling (humidif) Authorization Treg again. - 212 Humidification (cooling) Authorization Hreg 46/162 AB Industrietechnik srl – Via Julius Durst, 70 – 39042 BRESSANONE (BZ) Italy – Tel: +39 0472/830626 – info@industrietechnik.it – www.industrietechnik.it...
  • Page 47 Dehumidification (heating) Authorization Hreg • Temperature priority, 212=0: Temperature setpoint not reached: Cooling/ Temperature Heating battery battery (*) battery 005=0 (post only) 005=1 (post+integ) Heating (controlled in setpoint) 005=0 (post only) 005=1 (post+integ) (controlled in Heating setpoint) Cooling 007=0: (if cooling (if cooling Cooling 007=1 or 2:...
  • Page 48 Temperature setpoint reached, control of humidity: Temperature Heating battery Cooling/ Humidifier battery battery 007=0: supply sensor sensor179) signal) 007=1 or 2: modulating or on/off 007=0: post setpoint 179) signal) 007=1 or 2: modulating or on/off (*) if 48/162 AB Industrietechnik srl – Via Julius Durst, 70 – 39042 BRESSANONE (BZ) Italy – Tel: +39 0472/830626 – info@industrietechnik.it – www.industrietechnik.it...
  • Page 49 • Priority humidity, 212=1: Humidity setpoint not reached: Cooling/ Temperature Heating battery Humidifier battery battery Heating 007=0: signal) Heating 007=1: 179) modulating or on/off Cooling 007=0: (if cooling Cooling 007=1: modulating or on/off 179) 49/162 AB Industrietechnik srl – Via Julius Durst, 70 – 39042 BRESSANONE (BZ) Italy – Tel: +39 0472/830626 – info@industrietechnik.it – www.industrietechnik.it...
  • Page 50 Humidity setpoint reached, temperature control: Cooling/ Temperature Heating battery battery battery 005=0 (post only) 005=1 (post+integ) Heating (controlled in operating setpoint) 005=0 (post only) 005=1 (post+integ) Heating (controlled in operating setpoint) 007=0: (temperature- controlled) 007=1 or 2: Cooling modulating or on/off (controlled by temperature).

  • Page 51: Free Cooling/Heating Conditions

    20. Free cooling/heating conditions • Free cooling conditions: -170=1 or 3 (enabling of free cooling operation indipendently of working season) or 170=4 or 6 (enabling of free cooling opera- tion only in cooling mode). if a remote room sensor is used, set an analogue input as a remote sensor 019=1 (AI1) or 021=1 (AI2) 023=1 (AI3), 019=3 (AI1) or 021=3 (AI2) or 023=3 (AI3), - select a controlled damper 010 011=1 or 2,...
  • Page 52 Treg <= 177 (Text - Treg) < 173 (Text - Treg) > 171 If (Text - Treg) <= 171 -172 If damper used is on/off regulated type (010=1) or modulated type(010 erwise damper remains on minimum opening position and is not regulated. During regulation of damper on free cooling icon 52/162 AB Industrietechnik srl –...

  • Page 53: Regulation With Free Cooling, Free Heating

    21. Regulation with free cooling, free heating • -170 ing mode only), or 170 019=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), 025=20 (DO1) or 026=20 (DO2) or 027=20 (DO3) or 028=20 (DO4) or 029=20 (DO5), action on damper 011=1, 012=1.
  • Page 54 • Cooling operation using free cooling: Operation with modulating damper and modulating cooling valve: Do following settings: -170 ing mode only), 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), 010=3, 011=1 or 2 and 030=9 (AO1) or 031=9 (AO2) or 032=9 (AO3), 010=4, 011=1 and 012=1, 030=13 (AO1) or 031=13 (AO2) or 032=13 (AO3).
  • Page 55 Operation with on/off damper and cooling modulating valve: Do following settings: -170 ing mode only), 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), 010=1 and 011=1 or 2, 025=11 (DO1) or 026=11 (DO2) or 027=11 (DO3) or 028=11 (DO4) or 029=11 (DO5), - modulating cooling valve 003=1 and 030=4 (AO1) or 031=4 (AO2) or 032=4 (AO3) or modulating mixed-use valve in cooling 002=2 003=1 and 030=5 (AO1) or 031=5 (AO2) or 032=5 (AO3).
  • Page 56 Operation with on/off bypass damper without cooling valve: Do following settings: -170 ing mode only), 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), 010=2, 011=1 and 012=1 , 025=13 (DO1) or 026=13 (DO2) or 027=13 (DO3) or 028=13 (DO4) or 029=13 (DO5), 100% Treg...
  • Page 57 Operation with on/off bypass damper and on/off cooling valve: Do following settings: -170 ing mode only), 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), 010=2, 011=1 and 012=1 , 025=13 (DO1) or 026=13 (DO2) or 027=13 (DO3) or 028=13 (DO4) or 029=13 (DO5), - on/off cooling valve 003=2 and 025=5 (DO1) or 026=5 (DO2) or 027=5 (DO3) or 028=5 (DO4) or 029=5 (DO5),...
  • Page 58 122/2. if Treg > (WCS + 122 if Treg <= (WCS + 122 58/162 AB Industrietechnik srl – Via Julius Durst, 70 – 39042 BRESSANONE (BZ) Italy – Tel: +39 0472/830626 – info@industrietechnik.it – www.industrietechnik.it...
  • Page 59 • Heating operation using free heating: Operation with modulating damper and modulating heating valve: Do following settings: -170 ing mode only), 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), 010=3, 011=1 or 2 and 030=9 (AO1) or 031=9 (AO2) or 032=9 (AO3), 010=4, 011=1 and 012=1, 030=13 (AO1) or 031=13 (AO2) or 032=13 (AO3).
  • Page 60 Operation with on/off damper and modulating heating valve: Do following settings: -170 ing mode only), 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), 010=1 and 025=11 (DO1) or 026=11 (DO2) or 027=11 (DO3) or 028=11 (DO4) or 029=11 (DO5), 002=2 and 030=3 (AO1) or 031=3 (AO2) or 032=3 (AO3) 002=2 003=1 and 030=5 (AO1) or 031=5 (AO2) or 032=5 (AO3)
  • Page 61 Operation with on/off bypass damper without heating valve: Do following settings: -170 ing mode only), 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), 010=2, 011=1 and 012=1 , 025=13 (DO1) or 026=13 (DO2) or 027=13 (DO3) or 028=13 (DO4) or 029=13 (DO5), 100% Treg...
  • Page 62 Operation with on/off bypass damper and on/off heating valve: Do following settings: -170 ing mode only), 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), 010=2, 011=1 and 012=1 , 025=13 (DO1) or 026=13 (DO2) or 027=13 (DO3) or 028=13 (DO4) or 029=13 (DO5), 002=4 and 025=4 (DO1) or 026=4 (DO2) or 027=4 (DO3) or 028=4 (DO4) or 029=4 (DO5)
  • Page 63 parameter 122/2. If Treg < (WHS - 122 If Treg >= (WHS -122 63/162 AB Industrietechnik srl – Via Julius Durst, 70 – 39042 BRESSANONE (BZ) Italy – Tel: +39 0472/830626 – info@industrietechnik.it – www.industrietechnik.it...
  • Page 64 • Free cooling in winter: Operation with modulating damper: Do following settings: -170 019=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), 010=3, 011=1 or 2 and 030=9 (AO1) or 031=9 (AO2) or 032=9 (AO3), 010=4, 011=1 and 012=1, 030=13 (AO1) or 031=13 (AO2) or 032=13 (AO3).
  • Page 65 If Treg > (WHS + 123 + 178 If Treg <= (WHS + 123 002=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), 002=4, 003=2 and 025=6 (DO1) or 026=6 (DO2) or 027=6 (DO3) or 028=6 (DO4) or 029=6 (DO5), 002=2 and 030=3 (AO1) or 031=3 (AO2) or 032=3 (AO3),...
  • Page 66 • Free heating in the summer: Operation with modulating damper: Do following settings: -170 019=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), 010=3, 011=1 or 2 and 030=9 (AO1) or 031=9 (AO2) or 032=9 (AO3), 010=4, 011=1 and 012=1, 030=13 (AO1) or 031=13 (AO2) or 032=13 (AO3).
  • Page 67 on/off 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).

  • Page 68: Operating Mode Of The Fans

    22. Operating mode of the fans • On/off type fans with one, two or three speeds: 025=1 (DO1) or 026=1 (DO2) or 027=1 (DO3) or 028=1 (DO4) or 029=1 (DO5) for speed 1. 008=2, and two digital outputs corresponding to 025=1 (DO1) or 026=1 (DO2) or 027=1 (DO3) or 028=1 (DO4) or 029=1 (DO5) for speed 1, 025=2 (DO1) or 026=2 (DO2) or 027=2 (DO3) or 028=2 (DO4) or 029=2 (DO5) for speed 2.
  • Page 69 009 = 0 for manual control, 009 = 1 for control based on CO 009 = 4 for control based on temperature and CO 160. Manual control of speed (009=0): display B. modulating fans (008=2 or 3 or 4): SPE1 SPE2 SPE3 display B...
  • Page 70 Control of speed based on CO (009=1): 009 to 1. 206=0 and 207 208=0). (167: setpoint 168: proportional band and 169: integral time). Fan 1 on/off speed Fan 2 on/off speed FAN2 FAN1 Fan 3 on/off speed FAN3 FAN2 FAN1 Modulating FAN3 FAN1...
  • Page 71 if CO <= (167 + (168*(1/3))), speed 1 is ON. If CO > 167, Control of speed based on temperature (009=2): - Summer control: 157). Fan 1 on/off speed Treg Fan 2 on/off speed FAN2 FAN1 Treg Fan 3 on/off speed FAN3 FAN2 FAN1...
  • Page 72 if Treg decreases and Treg <= (WCS + (157*(2/3))) and Treg > (WCS + (157*(1/3))), speed 2 is ON, if Treg <= (WCS + (157*(1/3))). speed 1 is ON. - Winter control: Fan 1 on/off speed Treg Fan 2 on/off speed FAN2 FAN1 Treg...
  • Page 73 Control of speed based on temperature ON/OFF (009=3): - Summer control: Fan 1 on/off speed Treg Fan 2 on/off speed FAN2 FAN1 Treg Fan 3 on/off speed FAN3 FAN2 FAN1 Treg Modulating FAN3 FAN1 Treg 151 - 150 153 - 152 151 - 150 153 - 152 151 - 150...
  • Page 74 if Treg increases and Treg > (WCS + (157*(2/3))) and Treg < (WCS + 157), speed 2 is ON, If Treg > (WCS + 157), speed 3 is ON, if Treg decreases and Treg < (WCS + (157*(2/3))) and Treg > (WCS + (157*(1/3))), speed 2 is ON, if Treg decreases and Treg <...
  • Page 75 if Treg decreases and Treg < (WHS - (157*(1/3))) and Treg > (WHS - (157*(2/3))), speed 1 is ON, if Treg decreases and Treg < (WHS - (157*(2/3))) and Treg > (WHS - 157), speed 2 is ON, If Treg < (WHS - 157) speed 3 is ON, if Treg increases and Treg >...
  • Page 76 009=6): Based on parameter 213 regulation can be performed at constant pressure (213=0 k=parameter 213, dp diffrential pressure (Pa) of differential pressure transducer connected to analogue input AI3. 030=1 or 031=1 or 032 030=2 or 031=2 or 032=2. Set type of regulation on modulating fan 009 tion.
  • Page 77 152, 153, 154,155,156. 77/162 AB Industrietechnik srl – Via Julius Durst, 70 – 39042 BRESSANONE (BZ) Italy – Tel: +39 0472/830626 – info@industrietechnik.it – www.industrietechnik.it...

  • Page 78: Damper Control

    23. Damper control • On/off damper: On/off damper type Regulation type and settings delay 166 after ventilation is OFF. External damper (not regulated) (*) 025=12 (DO1) or 026=12 (DO2) or 027=12 (DO3) or 028=12 (DO4) or 029=12 (DO5) It can be regulated based on CO 010 = 1 (on/off damper regulated).
  • Page 79 025=20 (DO1) or 026=20 (DO2) or 027=20 (DO3) or 028=20 (DO4) or 029=20 (DO5) 010 ( 010 =1 or 2 or 3 or 4). Regulation of on/off damper based on free cooling/heating External on/off damper can be used as external regulated damper 010 010=2, or 010=5.
  • Page 80 Regulation of on/off damper based on free cooling/heating and CO 79 for CO part and to set parameter 139 139=1 or 139 139=2 or 139 %r.H. (206=0 and 207 208=1), 010=1 (external regulated on/off damper), 025=11 (DO1) or 026=11 (DO2) or 027=11 (DO3) or 028=11 (DO4) or 029=11 (DO5), 143: proportional band Val_damper...
  • Page 81 • Modulating damper: Modulanting type damper Regulation type and settings It can be regulated based on CO 010 = 3 (external modulating damper). Select output for modulating damper 030=9 (AO1) or 031=9 (AO2) or 032=9 (AO3). Regulation on CO 011=0 (regulation based on CO 023=5 (input AI3 0..10V CO Set regulation parameters from 167 to 169 (setpoint, proportional band and integral time CO...
  • Page 82 Regulation of modulating damper based on free cooling/heating 010=3 (modulating damper) or 010 030=9 (AO1) or 031=9 (AO2) or 032=9 (AO3). 170. Regulation of modulating damper based on CO concen- 023=5 (AI3 input for 0..10 V CO 0..2000 ppm (206=0 and 207 208=0).
  • Page 83 170. Set parameters from 171 to 178. set parameter 139 -139=1 or 139 -139=2 or 139 206=0 and 207=100) 208=1)). 010=3 (modulating damper), 030=9 (AO1) or 031=9 (AO2) or 032=9 (AO3), 143: proportional Val_damper 141/2 164 and 165. icon is displayed. If modulating damper is completely closed.

  • Page 84: Heat Exchanger

    24. Heat exchanger and by parameter 012, • Conditions for recovery: Ret - Ext 181: 182: Ext - Ret 181: 182: 84/162 AB Industrietechnik srl – Via Julius Durst, 70 – 39042 BRESSANONE (BZ) Italy – Tel: +39 0472/830626 – info@industrietechnik.it – www.industrietechnik.it...
  • Page 85 • Bypass type of heat exchanger Activation and parameters setting and operating Activation: 186=1 or 3 (*) Parameter setting and operating: 010 = 2 (bypass on/off). Select output for bypass damper 025=13 (DO1) or 026=13 On/off (DO2) or 027=13 (DO3) or 028=13 (DO4) or 029=13 (DO5) 170.
  • Page 86 Icon status Indication ON icon is on Heat recovery in progress (bypass damper closed) OFF icon is displayed (ON icon is off, OFF icon is on). OFF icon is on 186=1) 138). 86/162 AB Industrietechnik srl – Via Julius Durst, 70 – 39042 BRESSANONE (BZ) Italy – Tel: +39 0472/830626 – info@industrietechnik.it – www.industrietechnik.it...
  • Page 87 • Double battery heat exchanger: Operation with modulating bypass heat exchanger and modulating cooling valve: Do following settings: 025=14 (DO1) or 026=14 (DO2) or 027=14 (DO3) or 028=14 (DO4) or 029=14 (DO5) 019=1 (AI1) or 021=1 (AI2) or 023=1 (AI3) 019=3 (AI1) or 021=3 (AI2) or 023=3 (AI3).
  • Page 88 100% Treg 122/2 100% Treg 178: If temperature of regulation sensor rises above WCS, icon 164) in 122) and deactivated if Treg <= (WCS + 122/2). Operation with modulating bypass heat exchanger without cooling valve: Do following settings: 025=14 (DO1) or 026=14 (DO2) or 027=14 (DO3) or 028=14 (DO4) or 029=14 (DO5) 019=1 (AI1) or 021=1 (AI2) or 023=1 (AI3) 019=3 (AI1) or 021=3 (AI2) or 023=3 (AI3).
  • Page 89 Operation with on/off bypass heat exchanger and cooling modulating valve: Do following settings: 025=14 (DO1) or 026=14 (DO2) or 027=14 (DO3) or 028=14 (DO4) or 029=14 (DO5) 019=1 (AI1) or 021=1 (AI2) or 023=1 (AI3) 019=3 (AI1) or 021=3 (AI2) or 023=3 (AI3). 010=2, 011=1, 025=13 (DO1) or 026=13 (DO2) or 027=13 (DO3) or 028=13 (DO4) or 029=13 (DO5), - modulating cooling valve 003=1 and 030=4 (AO1) or 031=4 (AO2) or 032=4 (AO3)
  • Page 90 100% Treg 122/2 Bypass 100% Treg 178: If temperature of regulation sensor rises above WCS, icon 122) and deactivated if Treg <= (WCS + 122/2) Operation with on/off bypass heat exchanger without cooling valve: Do following settings: 025=14 (DO1) or 026=14 (DO2) or 027=14 (DO3) or 028=14 (DO4) or 029=14 (DO5) 019=1 (AI1) or 021=1 (AI2) or 023=1 (AI3) 019=3 (AI1) or 021=3 (AI2) or 023=3 (AI3).
  • Page 91 Do following settings: 025=14 (DO1) or 026=14 (DO2) or 027=14 (DO3) or 028=14 (DO4) or 029=14 (DO5) 019=1 (AI1) or 021=1 (AI2) or 023=1 (AI3) 019=3 (AI1) or 021=3 (AI2) or 023=3 (AI3). 010=4, 011=1, 030=13 (AO1) or 031=13 (AO2) or 032=13 (AO3), 002=2 and 030=3 (AO1) or 031=3 (AO2) or 032=3 (AO3) 002=2 003=1 and 030=5 (AO1) or 031=5 (AO2) or 032=5 (AO3) or modulating electrical resistance 002=1 and 030=6 (AO1) or 031=6 (AO2) or 032=6 (AO3)
  • Page 92 100% Treg 122/2 100% Treg 178: If temperature of regulation sensor drops below WHS, icon 122/2). Operation with modulating bypass heat exchanger without heating valve: Do following settings: 025=14 (DO1) or 026=14 (DO2) or 027=14 (DO3) or 028=14 (DO4) or 029=14 (DO5) 019=1 (AI1) or 021=1 (AI2) or 023=1 (AI3) 019=3 (AI1) or 021=3 (AI2) or 023=3 (AI3).
  • Page 93 Operation with on/off bypass heat exchanger and heating modulating valve: Do following settings: 025=14 (DO1) or 026=14 (DO2) or 027=14 (DO3) or 028=14 (DO4) or 029=14 (DO5) 019=1 (AI1) or 021=1 (AI2) or 023=1 (AI3) 019=3 (AI1) or 021=3 (AI2) or 023=3 (AI3). 010=2, 011=1, 025=13 (DO1) or 026=13 (DO2) or 027=13 (DO3) or 028=13 (DO4) or 029=13 (DO5), 002=2 and 030=3 (AO1) or 031=3 (AO2) or 032=3 (AO3)
  • Page 94 100% Treg 122/2 Bypass 100% Treg 178: If temperature of regulation sensor drops below WHS, icon damper is deactivated. 122) and deactivated if Treg >= (WHS - 122/2). Operation with on/off bypass heat exchanger without heating valve: Do following settings: 025=14 (DO1) or 026=14 (DO2) or 027=14 (DO3) or 028=14 (DO4) or 029=14 (DO5) 019=1 (AI1) or 021=1 (AI2) or 023=1 (AI3) 019=3 (AI1) or 021=3 (AI2) or 023=3 (AI3).
  • Page 95 Icon status Indication ON icon is on OFF icon is on 138). • Rotary on/off heat exchanger: is activated. Operation with modulating bypass heat exchanger and modulating cooling valve: Do following settings: 025=14 (DO1) or 026=14 (DO2) or 027=14 (DO3) or 028=14 (DO4) or 029=14 (DO5) 019=1 (AI1) or 021=1 (AI2) or 023=1 (AI3) 019=3 (AI1) or 021=3 (AI2) or 023=3 (AI3).
  • Page 96 Operation with modulating bypass heat exchanger and on/off cooling valve: Do following settings: 025=14 (DO1) or 026=14 (DO2) or 027=14 (DO3) or 028=14 (DO4) or 029=14 (DO5) 019=1 (AI1) or 021=1 (AI2) or 023=1 (AI3) 019=3 (AI1) or 021=3 (AI2) or 023=3 (AI3). 010=4, 011=1, 030=13 (AO1) or 031=13 (AO2) or 032=13 (AO3).
  • Page 97 Bypass 100% Treg WCS 178 100% Treg 178: If temperature of regulation sensor rises above WCS, icon (parameter 164 178. Operation with on/off bypass heat exchanger and cooling modulating valve: Do following settings: 025=14 (DO1) or 026=14 (DO2) or 027=14 (DO3) or 028=14 (DO4) or 029=14 (DO5) 019=1 (AI1) or 021=1 (AI2) or 023=1 (AI3) 019=3 (AI1) or 021=3 (AI2) or 023=3 (AI3).
  • Page 98 116/2) to (WCS + 116). Operation with on/off bypass heat exchanger and on/off cooling valve: Do following settings: 025=14 (DO1) or 026=14 (DO2) or 027=14 (DO3) or 028=14 (DO4) or 029=14 (DO5) 019=1 (AI1) or 021=1 (AI2) or 023=1 (AI3) 019=3 (AI1) or 021=3 (AI2) or 023=3 (AI3).
  • Page 99 100% Treg Bypass 100% Treg 178: If temperature of regulation sensor rises above WCS, icon (WCS - 178 Operation with modulating bypass heat exchanger and modulating heating valve: Do following settings: 025=14 (DO1) or 026=14 (DO2) or 027=14 (DO3) or 028=14 (DO4) or 029=14 (DO5) 019=1 (AI1) or 021=1 (AI2) or 023=1 (AI3) 019=3 (AI1) or 021=3 (AI2) or 023=3 (AI3).
  • Page 100 tion (parameter 164 114/2) to (WHS - 114). Operation with modulating bypass heat exchanger and on/off heating valve: Do following settings: 025=14 (DO1) or 026=14 (DO2) or 027=14 (DO3) or 028=14 (DO4) or 029=14 (DO5) 019=1 (AI1) or 021=1 (AI2) or 023=1 (AI3) 019=3 (AI1) or 021=3 (AI2) or 023=3 (AI3).
  • Page 101 Bypass 100% Treg 100% Treg 178: If temperature of regulation sensor drops below WHS, icon (parameter 164 178. Operation with on/off bypass heat exchanger and heating modulating valve: Do following settings: 025=14 (DO1) or 026=14 (DO2) or 027=14 (DO3) or 028=14 (DO4) or 029=14 (DO5) 019=1 (AI1) or 021=1 (AI2) or 023=1 (AI3) 019=3 (AI1) or 021=3 (AI2) or 023=3 (AI3).
  • Page 102 If temperature of regulation sensor drops below WHS, icon 114/2) to (WHS - 114). Operation with on/off bypass heat exchanger and heating on/off valve: Do following settings: 025=14 (DO1) or 026=14 (DO2) or 027=14 (DO3) or 028=14 (DO4) or 029=14 (DO5) 019=1 (AI1) or 021=1 (AI2) or 023=1 (AI3) 019=3 (AI1) or 021=3 (AI2) or 023=3 (AI3).
  • Page 103 100% Treg Bypass 100% Treg 178: If temperature of regulation sensor drops below WHS, icon Icon status Indication ON icon is on OFF icon is on 138). Note: If parameter 186 by parameter164. If parameter 186 parameter165. • Modulating rotary heat exchanger Operation with on/off bypass heat exchanger and cooling modulating valve: Do following settings: 030=12 (AO1) o 031=12 (AO2) o 032=12 (AO3),...
  • Page 104 100% Treg 116/2 Bypass 100% Treg 178: 183 0 183=0), icon WCS to (WCS + 116 116/2) to (WCS + 116). if minimum speed is different from 0 (183 0), icon 183=0), and if Treg <= (WCS - 178 Operation with on/off bypass heat exchanger and cooling on/off valve: Do following settings: 030=12 (AO1) o 031=12 (AO2) o 032=12 (AO3), 019=1 (AI1) or 021=1 (AI2) or 023=1 (AI3)
  • Page 105 178: 183 0 183=0), icon WCS to (WCS + 122/2). 122) and is deactivated if Treg <= (WCS + 122/2). if minimum speed is different from 0 (183 0), icon 183=0), and if Treg <= (WCS - 178 Operation with on/off bypass heat exchanger without cooling valve: Do following settings: 030=12 (AO1) o 031=12 (AO2) o 032=12 (AO3), 019=1 (AI1) or 021=1 (AI2) or 023=1 (AI3)
  • Page 106 019=3 (AI1) or 021=3 (AI2) or 023=3 (AI3). 010=2, 011=1, 025=13 (DO1) or 026=13 (DO2) or 027=13 (DO3) or 028=13 (DO4) or 029=13 (DO5), 002=2 and 030=3 (AO1) or 031=3 (AO2) or 032=3 (AO3) 002=2 003=1 and 030=5 (AO1) or 031=5 (AO2) or 032=5 (AO3) or modulating electrical resistance 002=1 and 030=6 (AO1) or 031=6 (AO2) or 032=6 (AO3) 100% Treg...
  • Page 107 100% Treg 122/2 Bypass 100% Treg 178: 183 0 183=0), icon WHS to (WHS - 122/2). 122) and is deactivated if Treg >= (WHS - 122/2). if minimum speed is different from 0 (183 0), icon 183=0), and if Treg >= (WHS + 178 Operation with on/off bypass heat exchanger without heating valve: Do following settings: 030=12 (AO1) o 031=12 (AO2) o 032=12 (AO3),...
  • Page 108 183=0), icon WHS to (WHS - 178). 178), icon remains OFF. Icon status Indication ON icon is on OFF icon is on 138). Note: If parameter 186 If parameter 186=1 or 3, on/off bypass is forced to ON. 108/162 AB Industrietechnik srl – Via Julius Durst, 70 – 39042 BRESSANONE (BZ) Italy – Tel: +39 0472/830626 – info@industrietechnik.it – www.industrietechnik.it...

  • Page 109: Frost Protection Operation Of The Heat Exchanger

    25. Frost protection operation of the heat exchanger 015=14 (DI1) or 017 019=21 (AI1) or 021=21 (AI2) or 023=21 (AI3). 019=4 (AI1) or 021=4 (AI2) or 023=4 (AI3). If 186 If 186 If 186 settings: If 186 Se 186 or 028=15 (DO4) or 029=15 (DO5) 019=4 (AI1) or 021=4 (AI2) or 023=4 (AI3).

  • Page 110: Frost Protection Operation Of The Heating Battery

    26. Frost protection operation of the heating battery 188=1. To use a frost protection contact, select 015=6 (DI1) or 017 019=13 (AI1) or 021=13 (AI2) or 023=13 (AI3). 015 6 (DI1) and 017 019 13 (AI1) and 021 13 (AI2) and 023 13 (AI3) Anti Frost 2°C Treg...

  • Page 111: Summertime Changeover

    192. 192 to 0. icon stops 192. . 30. Summertime changeover automatically. 31. AI3 sensor used as 0...10 V input In AI3 023 to 5 or 6 or 7. If 023 206 = 0 (scale lower end) and 207 208 to 0 (ppm). If 023 206 = 0 and 207 If 023...

  • Page 112: Forced Outputs Via Modbus

    32. Forced outputs via Modbus Upper weighting Lower weighting from 15 to 8 bits bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 01100110 Output enabled in forced mode Modbus write register and address OUT_C 10015 OUT_B...

  • Page 113: Alarms

    33. Alarms yMdH noAL (model AHU-xxCSx1) or (model AHU-xxSSx1) noAL Display A display B message noAL appears. Alarms table Message Alarm type Action on control Icons displayed noAL No alarm All control is stopped. General Only operates in cooling. Condensation Cooling valve closed.
  • Page 114 being controlled are disabled. being controlled are disabled. detected is set to 0. LILt Low temperature limit LIHt LILH LIHH Activation of digital output for fan alarms if 025=18 (DO1) or 026=18 (DO2) Fans or 027=18 (DO3) or 028=18 (DO4) or 029=18 (DO5) Clock Example:...

  • Page 115: Parameter Factory Settings (Level 1 Password)

    34. Parameter factory settings (level 1 password) yMdH noAL (model AHU-xxCSx1) or (model AHU-xxSSx1) 22 is displayed. buttons to select its value. button one or more times or wait for about 120 seconds. Parameter Description Default Type of control sensor 1=modulating electrical resistance 2=modulating valve 3=on/off electrical resistance...
  • Page 116 Parameter Description Default Type of fan control 0=manual 1=regulation based on CO 2=regulation based on temperature 3=regulation based on on/off temperature 4=regulation based on temperature+CO Type of control damper 0=no damper regulated 1=on/off regulated 3=external modulating damper Damper action 0=CO Activation of mid-season operation 0=not enabled 1=enabled...
  • Page 117 Parameter Description Default Digital input 2 contact logic: 0=normally open (open = INPUT OFF, closed = INPUT ON) 1=normally closed (closed = INPUT OFF, open = INPUT ON) Analogue input 1 function: 0=not used 1=remote control sensor 2=supply sensor 3=external sensor 9=remote On/Off (INPUT ON=OFF, INPUT OFF=ON) 11=economy/boost (INPUT ON=economy activated) 13=frost protection (INPUT ON= frost protection alarm)
  • Page 118 Parameter Description Default 023=8 to 21): 0=normally open (open = INPUT OFF, closed = INPUT ON) 1=normally closed (closed = INPUT OFF, open = INPUT ON) Digital output function 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 5=cooling valve 6=mixed-use valve...
  • Page 119 Parameter Description Default Digital output function 4 (models AHU-0xxSx1, AHU-1xxSx1, AHU-2xxSx1, AHU-3xxSx1 excluded) 0=not used 1=speed 1 for on/off fan 2=speed 2 for on/off fan 3=speed 3 for on/off fan 5=cooling valve 6=mixed-use valve 7=electrical resistance 11=external regulated damper 12=external not regulated damper 18=fan alarm output 19=relay for EC motors Digital output function 5 (models AHU-0xxSx1, AHU-1xxSx1, AHU-2xxSx1, AHU-3xxSx1 excluded)
  • Page 120 Parameter Description Default Analogue output function 3 (models AHU-1xxSx1, AHU-2xxSx1, AHU-3xxSx1, AHU-4xxSx1 excluded) 0=not used 1=supply fan output 2=extractor fan output 4=cooling valve output for 2/4-pipe mode 5=mixed-use valve output for 2-tube mode 6=modulating electrical resistance output 9=modulating damper output 030, 031, 032.
  • Page 121 Installer parameters are password protected. yMdH noAL (model AHU-xxCSx1) or (model AHU-xxSSx1) 11 is displayed. buttons to select its value. button one or more times or wait for about 120 seconds. Parameter Description Default Internal temperature correction (K) (°C [°F]) -5.0 [-9.0] 5.0 [9.0] sensor...
  • Page 122 Parameter Description Default modulating valves If 117 Proportional band for calculation of supply setpoint in cascade control mode (K) 20.0 [36.0] 1.0 [1.8] 50.0 [90.0] (°C [°F]) Integral time(s) for calculation of supply setpoint in cascade regulation mode If 119 Economy or boost offset (K) (°C [°F]) In economy mode (120 In economy mode (120...
  • Page 123 Parameter Description Default 20.0 50.0 cooling mode If 144 0=not enabled 1=enabled 20.0 10.0 50.0 0=not enabled 1=enabled 75.0 50.0 90.0 30.0 Minimum voltage of supply fan Maximum voltage of supply fan 10.0 10.0 Minimum voltage of extractor fan Maximum voltage of extractor fan 10.0 10.0 1.0 [1.8]...
  • Page 124 Parameter Description Default Minimum external temperature for free cooling (°C [°F]). 17.0[63] 10.0[50] 20.0[68] cooling to be available for activation. Minimum control temperature for free cooling (°C [°F]). 22.0[72] 15.0[59] 30.0[86] be available for activation. 28.0[82] 20.0[68] 35.0[95] be available for activation. 33.0[91] 20.0[68] 35.0[95]...
  • Page 125 Parameter Description Default Value displayed on display B 0=internal sensor temperature 1=external sensor temperature AI1 2=external sensor temperature AI2 3=external sensor temperature AI3 “ 4=control temperature (see AHU-xxxSH1 models only) “ 6=operating temperature setpoint (see 7=supply setpoint calculated in cascade control mode 8=operating 9=value of output 0..10 V AO1 (V) 10=value of output 0..10 V AO2 (V)
  • Page 126 Parameter Description Default Manual speed limit. 211, same percentage. 0=Temperature priority 1=Humidity priority 1000 126/162 AB Industrietechnik srl – Via Julius Durst, 70 – 39042 BRESSANONE (BZ) Italy – Tel: +39 0472/830626 – info@industrietechnik.it – www.industrietechnik.it...

  • Page 127: Digital And Analogue Input Logic

    36. Digital and analogue input logic • Digital inputs DI1 and DI2 Parameter Logic 015=0 ( ) or 017=0 ( Not used 016 = Logic DI1 015=1 ( ) or 017=1 ( 018 = Logic DI2 Summer Winter 016 = Logic DI1 015=2 ( ) or 017=2 (...
  • Page 128 Parameter Logic 016 = Logic DI1 015=12 ( ) or 017=12 ( 018 = Logic DI2 No stop all alarm Stop all alarm Stop all alarm 016 = Logic DI1 015=13 ( ) or 017=13 ( 018 = Logic DI2 No fan alarm Fan alarm Fan alarm...
  • Page 129 • Analogue inputs Analogue input 1 (AI1): Parameter Logic 019=0 Sensor not used 019=1 Remote regulation 106 (see sensor 125 and/or 127 019=2 001=1), or as a regulation sensor in Supply sensor 014=2). 019=3 External sensor 019=4 Frost protection AI1 sensor is used as a frost protection sensor sensor 019=5 to 7...
  • Page 130 Parameter Logic 020 = 019=18 alarm contact 020 = 019=19 Stop all No stop all alarm alarm contact Stop all alarm 020 = 019=20 Fan alarm No fan alarm contact Fan alarm 020 = 019=21 Frost protection No frost protection Frost protection alarm alarm contact...
  • Page 131 Parameter Logic 022 = 021=13 Heat frost protection Frost protection off battery contact Frost protection on 022 = 021=14 Generic alarm No alarm contact Alarm active 022 = 021=15 Condensation No condensation alarm contact Condensation alarm 022 = 021=16 alarm contact 022 = 021=17 alarm contact...
  • Page 132 Analogue input 3 (AI3): Parameter Logic 023=0 Sensor not used 023=1 Remote regulation 106 (see sensor 125 and/or 127 023=2 001=1), or as a regulation sensor in Supply sensor 014=2). 023=3 External sensor 023=4 Frost protection AI3 sensor is used as a frost protection sensor sensor 023=5...
  • Page 133 Parameter Logic 024 = 023=17 contact 024 = 023=18 alarm contact 024 = 023=19 Stop all alarm No stop all alarm contact Stop all alarm 024 = 023=20 No fan alarm Fan alarm contact Fan alarm 024 = 023=21 Frost protection No frost protection Frost protection alarm...

  • Page 134: Visualizzazione Stato Ingressi/Uscite

    yMdH noAL (model AHU-xxCSx1) or (model AHU-xxSSx1) Screen Input / output Second line indication Digital input 1 0 = contact open 1 = contact closed Digital input 2 0 = contact open 1 = contact closed Analogue input 1 Input sensor 019>=1 and 019<=4: -20.
  • Page 135 Digital output 3 0 = relay deactivated 1 = relay activated Digital output 4 0 = relay deactivated 1 = relay activated Digital output 5 0 = relay deactivated 1 = relay activated Analogue output 1 0. 0 ..10. 0 = voltage value Analogue output 2 0.

  • Page 136: Resetting The Default Parameters

    38. Resetting the default parameters yMdH noAL (model AHU-xxCSx1) or (model AHU-xxSSx1) 33 is displayed. button. button again. loading default settings begins default parameters loaded. button once, or by waiting for around 120 seconds. yMdH noAL (model AHU-xxCSx1) or (model AHU-xxSSx1) 25 is displayed.

  • Page 137: Usb Connection

    Parameter Description Value Minor 40. USB connection 0...10V NTC10K Term. Term. JP3=Term. ON AHU-xMxSx1 model). JP3=OFF AHU-xMxSx1 model). AHU-3xxSx1 137/162 AB Industrietechnik srl – Via Julius Durst, 70 – 39042 BRESSANONE (BZ) Italy – Tel: +39 0472/830626 – info@industrietechnik.it – www.industrietechnik.it...

  • Page 138: Modbus (For Ahu-Xmxsx1 Models)

    42. Modbus (for AHU-xMxSx1 models) (FC=03, 06, 16). To obtain the address of a register indicated in the following tables, subtract 1 from the register number indicated: example: the address of the Modbus variable is 10000 - 1 = 9999 STATE_DI1 •...
  • Page 139 Register Description (Note5) 10033 see controllers. see controllers. CURRENT_WORKING_HUM_SET (Note2) 10034 see controllers. see controllers. CURRENT_WORKING_POST_SET FLAG_GLOBAL_ON/OFF 10035 FLAG_CURRENT_MODE_REG control status 199=0) 10036 198 timer) 3=economy control FLAG_STA_WORKING operating season status 10037 1=cooling FLAG_HEATING 10038 FLAG_ELECTRIC_HEATER electrical resistance status 10039 0=electrical resistance ON 1=electrical resistance OFF FLAG_COOLING...
  • Page 140 Register Description FLAG_STATE_EXCHANGER 10053 FLAG_GEN_ALARM general alarm status 10054 0=no alarm 1=general alarm FLAG_ALARM_CONDENSATION condensation alarm status 10055 0=no condensation alarm 1=condensation alarm FLAG_GENERAL_FILTER_ALARM 10056 FLAG_SUPPLY_FILTER_ALARM 10057 FLAG_EXTRACT_FILTER_ALARM 10058 FLAG_ALARM_STOP_ALL 10059 0=no alarm stop all 1=stop all alarm FLAG_ALARM_VENTILATION fan alarm status 10060 0=no alarm for fan 1=fan alarm...
  • Page 141 Sensor temperature with units in °C (196=0) Value read Corresponding value °C Sensor open -200 -20.0°C 97.0°C Sensor temperature with units in °F (196=1) Value read Corresponding value °F Sensor open -4.0°F 2066 206.6°F erating setpoint is forced to: Operating setpoint with units in °C (196=0) Value read Corresponding value °C Frost alarm...

  • Page 142: Modbus Variables For Operating Parameters

    • MODBUS VARIABLES FOR OPERATING PARAMETERS Register Description Default 9000 SUN_HOUR_ON_1 9001 SUN_MIN_ON_1 Start of Sunday minute timer period 1 9002 SUN_HOUR_OFF_1 9003 SUN_MIN_OFF_1 9004 SUN_HOUR_ON_2 9005 SUN_MIN_ON_2 Start of Sunday minute timer period 2 9006 SUN_HOUR_OFF_2 9007 SUN_MIN_OFF_2 End of Sunday minute timer period 2 9008 SUN_HOUR_ON_3 9009...
  • Page 143 Register Description Default 9053 WED_MIN_ON_2 Start of Wednesday minute timer period 2 9054 WED_HOUR_OFF_2 9055 WED_MIN_OFF_2 End of Wednesday minute timer period 2 9056 WED_HOUR_ON_3 9057 WED_MIN_ON_3 Start of Wednesday minute timer period 3 9058 WED_HOUR_OFF_3 9059 WED_MIN_OFF_3 End of Wednesday minute timer period 3 9060 WED_HOUR_ON_4 9061...
  • Page 144 Register Description Default 9108 SAT_HOUR_ON_4 9109 SAT_MIN_ON_4 Start of Saturday minute timer period 4 9110 SAT_HOUR_OFF_4 9111 SAT_MIN_OFF_4 End of Saturday minute timer period 4 TYPE_OF_HARDWARE 0=1 digital output, 3 analogue outputs 1=2 digital outputs, 2 analogue outputs 9112 2=3 digital outputs, 1 analogue output 3=3 digital outputs, 2 analogue outputs 4=5 digital outputs RTC_PRESENCE...
  • Page 145 Register Description Default TYPE_DAMPER Type of controlled damper 0=no control damper 1=on/off control 9126 3=external modulating damper REG_TYPE_DAMPER Damper action 9127 TYPE_HEAT_EXCHANGER 9128 ACTIV_HALF_SEASON_MODE Activation of mid-season operation 9129 0=not enabled 1=enabled CONTROL_STATE Type of appliance control 9130 2=cascade control DIG_INPUT1_FUNC Digital input operation 1: 0=not used...
  • Page 146 Register Description Default ANALOG_INPUT1_FUNC Analogue input operation 1: 0=not used 1=remote control sensor 2=supply sensor 3=external sensor 9=remote On/Off (INPUT ON=OFF, INPUT OFF=ON) 11=economy/boost (INPUT ON=economy activated) 9135 13=frost protection alarm contact (INPUT ON=frost protection active) 14=generic contact alarm (INPUT ON=generic alarm) 15=condensation contact (INPUT ON=condensate alarm) 19=stop all alarm contact (INPUT ON=stop all alarm) 20=fan alarm contact (INPUT ON=fan alarm)
  • Page 147 Register Description Default ANALOG_INPUT3_FUNC Analogue input operation 3 (models AHU- 3xxSx1 excluded) Analogue input 1 function: 0=not used 1=remote control sensor 2=supply sensor 3=external sensor models AH-3xxSx1 excluded) 7=0...10 V input for pressure transmitter (models AHU-3xxSx1 excluded) 9=remote On/Off (INPUT ON=OFF, INPUT OFF=ON) 9139 11=economy/boost (INPUT ON=economy activated) 13=frost protection alarm contact (INPUT ON=frost protection active)
  • Page 148 Register Description Default DIG_OUTPUT3_FUNC Digital output operation 3 (models AHU-0xxSx1, AHU-1xxSx1 excluded) 0=not used 1=speed 1 for on/off fan 2=speed 2 for on/off fan 3=speed 3 for on/off fan 5=cooling valve 6=mixed-use valve 7=electrical resistance 9143 11=external regulated damper 12=external not regulated damper 18=fan alarm output 19=relay for EC motors DIG_OUTPUT4_FUNC...
  • Page 149 Register Description Default ANALOG_OUTPUT1_FUNC Analogue output operation 1 (models AHU- 4xxSx1 excluded) 0=not used 1=supply fan output 2=extraction fan output 4=cooling valve output for 2/4-pipe appliances 5=mixed-use valve output for 2-tube appliances 9146 6=modulating electrical resistance output 9=modulating damper output ANALOG_OUTPUT2_FUNC Analogue output operation 2 (models AHU- 2xxSx1, AHU-4xxSx1 excluded)
  • Page 150 Register Description Default 9163 PROP_BAND_REG_HEAT Heating proportional band (Note1) 20 [36] 10 [18] 200 [360] 9164 INTEGRAL_TIME_REG_HEAT Heating integral time (s) 9165 PROP_BAND_REG_COOL Cooling proportional band (Note1) 20 [36] 10 [18] 200 [360] 9166 INTEGRAL_TIME_REG_COOL Cooling integral time (s) PROP_BAND_SUPPLY 9167 200 [360] 10 [18]...
  • Page 151 Register Description Default 9191 SETPOINT_HUMIDITY Humidity setpoint (Note2) 1000 9192 PROP_BAND_HUMIDITY (Note2) 1000 9193 INTEGRAL_TIME_HUMIDITY AUTHORIZE_LOW_LIM_SUPPLY_HUM Activation of low limit supply for 9194 0=not enabled 1=enabled (Note2) 9195 SET_LIM_LOW_HUM AUTHORIZE_HIGH_LIM_SUPPLY_HUM 9196 0=not enabled 1=enabled 9197 SET_LIM_HIGH_HUM (Note2) PROP_BAND_LIM_HUM 9198 (Note2) 9199 MIN_VOLT_SUPPLY_FAN Minimum supply fan voltage...
  • Page 152 Register Description Default 9228 SET_POST_HEATING (Note1) 240[75] 50 [41] 500 [122] HYST_POST_HEATING 9229 20 [36] 5 [10] 50 [90] (Note1) SET_EXCHANGER 20 [36] 5[10] 100 [180] 9230 (Note1) 9231 HYST_EXCHANGER (Note1) 5[10] 5[10] SPEED_MIN_EXCHANGER 9232 SPEED_MAX_EXCHANGER 9233 SET_ANTIFROST_EXCHANGER 9234 50 [41] 40 [39] 100 [50] (Note1)
  • Page 153 Register Description Default 9245 UNIT_C_F Unit of measurement (0=°C, 1=°F) (Note1) DAYLIGHT_SAVING_TIME 9246 9247 TIME_TIMER_PROLUNG Duration of extension timer (minutes) TIME_BAND_FUNCTION Timer periods operation 9248 0=timer periods for normal/economy-boost operation MODBUS_BAUD 9249 4=19200, 5=38400 bit/s) (for AHU-xMxSx1 models only) MODBUS_PARITY 9250 (for AHU-xMxSx1 models only) MODBUS_ADDRESS...
  • Page 154 Register Description Default LOCK_KEYBOARD Block keyboard 9275 0=keypad unlocked 1=keypad locked from 9276 Reserved addresses 9287 9285 9286 9287 FLOW_RATE (Note4) 9288 1000 To obtain the address of any register, subtract 1 from the register number indicated in the table: example: the address of the Modbus variable is 9000 - 1 = 8999.
  • Page 155 • Default parameters reset via MODBUS Loading of default parameters Default parameters loaded FAULT in address 9274 resets to 0. • Clock setting via MODBUS activation of clock update) to 1. ABI_CLOCK_SET_FROM_MODBUS -> • MODBUS communications alarm 155/162 AB Industrietechnik srl – Via Julius Durst, 70 – 39042 BRESSANONE (BZ) Italy – Tel: +39 0472/830626 – info@industrietechnik.it – www.industrietechnik.it...
  • Page 156 • MODBUS connection diagram AHU-xMxSx1 models only. A+ and B- 137. divided by n. Add a signal repeater for every group of 32 appliances connected. Max 300m Master 120Ω termination 120Ω termination ON Slave 1 Slave 2 Slave 31 Max 300m Max 300m Repeater Master...

  • Page 157: Electrical Connections

    43. Electrical connections Connection of AHU-0xxSx1 version MODBUS RTU (AH-xMxxx) 40 41 42 43 44 10 11 12 13 14 15 19 20 Power Supply Connection of AHU-1xxSx1 version MODBUS RTU (AH-xMxxx) 40 41 42 43 44 10 11 12 13 14 15 Power Supply Connection of AHU-2xxSx1 version...
  • Page 158 Connection of AHU-3xxSx1 version MODBUS RTU (AH-xMxxx) 40 41 42 43 44 10 11 12 13 14 15 16 17 Power Supply Connection of AHU-4xxSx1 version MODBUS RTU (AH-xMxxx) 40 41 42 43 44 10 11 12 13 14 15 Power Supply 40 41 40 41...

  • Page 159: Dimensions

    44. Dimensions 25,5 83,5 18,7 45. Mounting instructions 150cm 159/162 AB Industrietechnik srl – Via Julius Durst, 70 – 39042 BRESSANONE (BZ) Italy – Tel: +39 0472/830626 – info@industrietechnik.it – www.industrietechnik.it...
  • Page 160 160/162 AB Industrietechnik srl – Via Julius Durst, 70 – 39042 BRESSANONE (BZ) Italy – Tel: +39 0472/830626 – info@industrietechnik.it – www.industrietechnik.it...
  • Page 161 161/162 AB Industrietechnik srl – Via Julius Durst, 70 – 39042 BRESSANONE (BZ) Italy – Tel: +39 0472/830626 – info@industrietechnik.it – www.industrietechnik.it...
  • Page 162 162/162 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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