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AB Industrietechnik srl – Via Julius Durst, 70 – 39042 BRESSANONE (BZ) Italy – Tel: +39 0472/830626 – [email protected] – www.industrietechnik.it
1. Technical features ........................................................................................................................................6
2. Code selection ..............................................................................................................................................6
3. Display, keypad and icons ..........................................................................................................................7
4. Quick access parameter setting .................................................................................................................8
• Keypad lock ......................................................................................................................................................................................... 8
• Switch on and off ................................................................................................................................................................................. 8
• Setpoint and setpoint offset configuration ........................................................................................................................................... 9
• Fan operating mode ............................................................................................................................................................................ 9
• MODE button functionality................................................................................................................................................................. 10
5. DATE and TIME setting (Model AHU-xxCSx1) .........................................................................................12
6. TIMER PERIODS operation and configuration (Model AHU-xxCSx1) ...................................................12
7. Duplication of TIMER PERIODS (Model AHU-xxCSx1) ...........................................................................15
8. Control sensors ..........................................................................................................................................16
9. Operating setpoint, ECONOMY/BOOST, HOLIDAY MODES ..................................................................17
10. Batteries for temperature and humidity control ......................................................................................20
11. Logic of heating and cooling batteries ....................................................................................................22
• 2-pipe HEATING controller (
014
=0 or 1) ........................................................................................................................................... 22
• 2-pipe HEATING control (
014
=0 or 1) without mid-season mode (
013
=0) ........................................................................................ 23
• 2-pipe COOLING control (
014
=0 or 1) with mid-season mode (
013
=1) ............................................................................................ 24
• 4-pipe controller (
014
=3 or 4) ............................................................................................................................................................ 25
• Cascade control (
014
=2) ................................................................................................................................................................... 28
12. Mixed-use 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-off control: .............................................................................................................................. 33
»
Low limit in cooling mode with modulating control: ...................................................................................................................... 34
»
Low limit in cooling mode with on-off control: .............................................................................................................................. 34
• Maximum limit: .................................................................................................................................................................................. 35
»
High limit in heating mode with modulating control: ..................................................................................................................... 35
»
High limit in heating mode with on-off control: ............................................................................................................................. 35
»
High limit in cooling mode with modulating control: ..................................................................................................................... 36
»
High limit in cooling mode with on-off control:.............................................................................................................................. 36
15. Control with setpoint compensation ........................................................................................................37
• Compensation in 2-pipe heating mode or 4-pipe mode: ................................................................................................................... 37
• Compensation in the 2-pipe cooling mode: ....................................................................................................................................... 38
16. Dehumidification ........................................................................................................................................39
• Use of the cooling battery for dehumidification: ................................................................................................................................ 39
• Using a modulating dehumidifier: ...................................................................................................................................................... 40
• Using an on/off dehumidifier:............................................................................................................................................................. 41
• Using an external damper regulated on dehumidification: ................................................................................................................ 41
• Using a modulating fan regulated on dehumidification: .................................................................................................................... 41
TABLE OF CONTENT
