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Flexit CS2000 User Manual

Automatic control v3
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112140E-06
2019-09
CS2000 Automatic control V3
User Guide

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  • Page 1 112140E-06 2019-09 CS2000 Automatic control V3 User Guide...

  • Page 2: Table Of Contents

    Contents This user guide only applies to software version V3.x To view current software version: Start page > Main menu > System Overview > Versions > Flexit.ahu = V3.x Introduction 1.1. Document description ..........................4 1.2. Highlighted boxes ............................4 1.3. System overview ............................5 1.3.1.
  • Page 3 Temperature regulation 8.1. Extract air regulation ..........................38 8.2. To adjust supply air temperature limits with extract air regulation..........38 Summer/winter compensation 9.1. Adjustment of fan setpoint in connection with high/low outdoor temperature ......39 9.2. Parameter settings for fan compensation ..................39 9.3.

  • Page 4: Introduction

    Document description This document describes the main functions of the CS2000 automatic control and is divided into different sections for different parts of the system. If you only want to make basic settings to start the ventilation unit, there is a special section describing the startup procedure.

  • Page 5: System Overview

    1.3. System overview 1.3.1. System structure The control system is divided into two subgroups: 1. One part that is located in the ventilation unit's switching space 2. One part that is located in a separate control cabinet on the outside of the ventilation unit Terminal blocks for incoming feed Regulator - the overall control system of the Fuse for automatic control and fans (not electric...

  • Page 6: Ventilation Unit's Switching Space

    1.3.2. Ventilation unit's switching space Modbus extender Power supply board USER FACTORY PE PE PE L1 L2 L3 N 1 2 3 4 5 6 7 8 9 10 11 12 13 14 It is a circuit board that distributes the power supply to the components of the ventilation unit (not the electric heating coil) and control cabinet.

  • Page 7: Ventilation Unit's Control Cabinet

    1.3.3. Ventilation unit's control cabinet Regulator Terminal board 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 It is a circuit board that connects the components to the regulator.
  • Page 8 Terminal board Terminal block P10 has the following signals: Terminal block P12 has the following signals: Block no. Function Block no. Function Cooling - 0-10 V [AO] Cooling - G0 L (Outdoor air damper) External control 1 [DI] L1 (Outdoor air damper ON/OFF) External control 1 - G0 N (Outdoor air damper) External control 2 [DI]...

  • Page 9: Getting Started

    Getting started 2.1. A central element in the system is the HMI (control panel), where you can adjust settings and take readings. The control panel consists of an 8-line graphic display, indicator lamps and controls for the settings. Here is a short introduction to the control panel showing how to enter the initial settings in the system. Info button Display Press to go to...

  • Page 10: Set Time/Time Channels

    Shows current command when the Level 4: OEM, password given only in consultation with the current day is Monday. The latest Flexit service organisation. time that can be entered for a day • All rights as for level 3, plus: is 23:59.
  • Page 11 2.2.4.4. Kalender (undantag och stopp) EXAMPLE: Val-x = Date Exception days can be defined in the calendar. These can Only the time for (start) is relevant. include specific days, periods or weekdays. Exception days override the weekly schedule. • -(Start)Date = *,01.01.16 Calendar exceptions Result: 1 January 2016 is an exception date.

  • Page 12: Adjust The Setpoints For Speeds And Temperatures

    To adjust supply air temperature limits with extract air regulation. 2.3. Adjust the setpoints for speeds and temperatures Start page > Quick menu > Setpoints/Settings Start page > Quick menu > Setpoints/Settings Parameter Function Parameter Function Setpoint, min. supply Indicates the lowest permitted supply air air temp.

  • Page 13: Menu Tree

    Menu tree Logging in gives you access to several menu options. The menu tree reflects the default configuration. It may be different in other configurations. Level 3 Level 2 Level 1 Level 4 • • • • Start page • Quick menu •...
  • Page 14 Quick menu Start page • Language selection • Timing program • Setpoints/Settings Language selection • HMI language + Alarm snapshot • Save -> SD + Modem • SMS language Timing program Date Time • Continuous operation Current value • Monday •...
  • Page 15 Main menu Start page • Log in • Unit • Communication • General func. • Alarm handling • System overview • Overview of IO config./ raw values • Configuration Overview of IO Alarm handling Log in config./raw values • Alarm reset •...
  • Page 16 Operating information Start page • Current operating mode • - Alarm • Timing program • Outdoor temp. • Extract air temp. • Supply air temp. • Outdoor air damper • Exhaust air damper • Current fan step • Current setpoint SF •...
  • Page 17 Operating information, cont. Start page Current setpoint, Current actual value EF heating Current value Current actual value • Regulator temperature • Output signal Supply air • Operation Current setpoint • Alarm heating • Setpoints/Settings • Comfort heating • Economy heating Extract air fan Recovery Current value...
  • Page 18 Start page Main menu Unit • Operating information • Inputs • Outputs • Operating functions • Setpoints/Settings • Damper control • Fan control • Temperature regulation • Regulators • Operating time Operating information Outputs Fan control • Current operating +Digital outputs •...
  • Page 19 Start page Main menu Communication • Comm. modules • Process bus • TCP/IP • Climatix IC • Modbus • Modem • • Restart Comm. modules Climax IC • Restart • Activate • Current number • Module change Serial number • SMS settings +Status •...
  • Page 20 Start page Main menu General func. • Summer/winter mode • Manual operation • Activate manual alarm • Activate comm. test • Communication test • Set IO to • Alarm Snapshot • Snapshot memory full • Trend archiving • Trend archive export •...
  • Page 21 Start page Main menu Alarm handling • Alarm reset Danger (A) High (A) Low (B) Warning (C) • Alarm output selection • Alarm output 1 • Modbus alarm • Process bus comm. • IO exp. bus • Comm. module 1 - Communication error - Status •...
  • Page 22 Start page Main menu System overview • Date Time • Communication • Application info. • Versions • Save/Reset • Diagnosis • Trend archiving • Alarm Snapshot • Password administration • • Language selection Date Time Diagnosis Password administration • Date/Time •...
  • Page 23 Overview of IO Start page Main menu config./raw values • Temperatures • Pressure/Flows • Digital inputs • Digital alarm • Damper outputs • Fan outputs • Temp. control outputs • Alarm outputs Temperatures Damper outputs HV IO: HV IO: • Supply air •...
  • Page 24 • Inputs • External setpoint • AUX output signal • +Energy meter EM24 • Configuration 1 • AUX operating mode • Settings • Restart ind. • Inputs • Configuration 2 • Flexit MB units • Restart • Settings • Restart...

  • Page 25: Backup And Program Updates

    4.2. Load a configuration Backup and program updates Procedure: 1. Insert the memory card into the regulator. When the system has been fully configured and the 2. Load the values from the memory card. parameters have been set, it can be backed up to an SD memory card or reset using the data on the memory card.

  • Page 26: Error Diagnosis - Snapshot

    4.4. Error diagnosis - Snapshot General functions For troubleshooting, the status of the ventilation unit just before the alarm was triggered can be studied afterwards by Operating modes - Change means of export to an SD card. Authority level 4 is required. The system can be put in different operating modes.

  • Page 27: Configuration 1

    Configuration On delivery, the ventilation unit is configured and ready. Normally, therefore, no adjustments need to be made to the configuration. However, the addition of accessories and other equipment may require a change to the configuration. Where necessary, there is a more detailed description in this manual or with the accessory. This section is, therefore, intended more as general information.
  • Page 28 Parameter Value Function Filter alarm No filter alarm. Comb. Supply air and extract air filter with common alarm input. Supply air Input only for supply air filter alarm. Extract air Input only for extract air filter alarm. Supply+Extract Two separate filter alarm inputs for supply air and extract air filters. Filter alarm, No filter alarm.
  • Page 29 Parameter Value Function Extract air temp. Input for extract air sensor. sensor Yes+Max If the system has been in operation for more than 5 minutes, the max. temperature is saved when it is switched off; otherwise the actual temperature is saved. The setting is meaningful only if there is no room sensor and nighttime operation (for example nighttime cooling) without a temperature test is to be used.
  • Page 30 Parameter Value Function Mixing damper Heat recovery regulation with mixing damper. No mixing damper. Normal Mixing damper with output signal 100% for full circulation. Inverted Mixing damper with output signal 0% for full circulation. Heat recovery Select heat recovery regulation with rotating heat exchanger, plate heat exchanger or water heat exchanger. No heat recovery.
  • Page 31 Parameter Value Function Extra electric Extra electric heating register and type of regulation. heating No extra electric heating register available. Analogue Extra electric heating register with regulation via one analogue output. 1Step Extra 1-step electric heating register with regulation via one analogue and one digital output. 2Step Extra 2-step electric heating register with regulation via one analogue and two digital outputs.

  • Page 32: Configuration 2

    6.2. Configuration 2 If there is a need for adjustments, subfunctions for some parts of the system can be set in Configuration 2. Preconditions: Configuration 1 must have been completed, including restart of the regulator. Configuration is done sequentially, which means that it is not possible to skip any options. •...
  • Page 33 Parameter Value Function Dig.step freq.con. 1 step Digital output for activation of frequency-controlled fans (always activated). 2 step An extra digital output for alternative connection that is dependent on fan step 2. 3 step Two extra digital outputs for alternative connection that is dependent on fan step 3. Flow display The function is not available.
  • Page 34 Parameter Value Function Outdoor temp. fan Outdoor air temperature-dependent fan compensation. comp. Precondition: Outdoor air sensor activated. Fan heating/cooling The fan is used as heating or cooling sequence. No sequential fan activation. Heating Fan activation only in connection with heating sequence. Cooling Fan activation only in connection with cooling sequence.
  • Page 35 Parameter Value Function Recovery alarm No alarm. Alarm Alarm: activation of one digital alarm input: Logical 1 = alarm. Return. Return signal. A digital input for return. Pulse in connection with operation. Alarm+Return Pump with alarm and return. Two digital inputs for pump alarm and return. Cold recovery Type of cold recovery.

  • Page 36: Configuration Of Inputs And Outputs

    6.3. Configuration of inputs and outputs NB! The ventilation unit is supplied fully configured If there is a need for adjustments, subfunctions for some parts and does not normally need to be changed. of the system can be set in Configuration 1, Configuration 2 and Configuration of inputs and outputs.

  • Page 37: Cooling

    7.3. For activation of circulation pump Cooling (only applies to liquid cooling) DX cooling one step or liquid The unit is equipped by default to control liquid cooling or Start page > Main menu > Configuration > one DX step. If another two steps are required, expansion Configuration 2 >...

  • Page 38: Cooling Restriction Depending On Fan Speed (Only Applies To Dx Cooling)

    7.6. Cooling restriction depending on fan Temperature regulation speed (only applies to DX cooling) 8.1. Extract air regulation Start page > Main menu > Unit > Temperature The unit is configured by default to regulate temperature via regulation > Cooling > Max. signal, fan control the supply air.

  • Page 39: Summer/Winter Compensation

    9.3. Adjustment of temperature setpoint in Summer/winter compensation connection with high/low outdoor temperature Summer compensation: Adjusts the fan/temperature setpoint (in relation to Start page > Main menu > Configuration > regulation, supply air or extract air) in relation to regulation Configuration 2 >...

  • Page 40: Settings For Switching Between Summer And Winter Operation

    9.5. Settings for switching between summer and winter operation Switches between extract air regulation in the summer and 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 34 3 supply air regulation in the winter.

  • Page 41: Switch Between Summer And Winter Via Date/Outdoor Temperature

    9.7. Switch between summer and winter via After making a change in a configuration menu, a restart is required. date/outdoor temperature Start page > Main menu > Configuration > Start page > Main menu > General functions > Configuration 2 > Restart > Execute Summer/winter mode RESTART Parameter...

  • Page 42: Nighttime Cooling

    9.9. Nighttime cooling After making a change in a configuration menu, a restart is required. Configure as follows: Start page > Main menu > Configuration > Configuration 2 > Restart > Execute Start page > Main menu > Configuration > Configuration 2 >...

  • Page 43: Fan Regulation

    500 Pa = Max. set value of If pressure sensors from Flexit are used, they must be connected pressure sensor. connected to P5 and P4. See the manual for the accessory.

  • Page 44: Pressure Setpoint Adjustment

    10.2.2. Pressure setpoint adjustment. 10.3. External fan setpoint If SF or EF is selected to operate as a slave, only three The fans can be controlled directly via an analogue 0-10 V setpoint steps are displayed. input on the automatic control. Min. and max. speeds/flows are defined, which correspond to 0 V and 10 V on the input.

  • Page 45: Parameter Settings For Comp

    The function has two operating modes: After making a change in a configuration menu, a restart is 1. Comp. A basic flow via step 1, 2 or 3 on which required. the fan operates + comp. 2. Main. The fan is controlled only via the 0-10 V input Start page >...

  • Page 46: External Fan Control Via Digital Inputs

    10.4. External fan control via digital inputs 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 23 24 25 26 23, 24 25, 26...

  • Page 47: Connection Of External Equipment

    Connection of external After making a change in a configuration menu, a restart is required. equipment Start page > Main menu > Configuration > 11.1. Fire damper Configuration 2 > Restart > Execute The unit can control fire dampers and operate them for maintenance.
  • Page 48 Configure as follows. Start page > Main menu > Unit > Damper control > Fire damper Parameter Value Function Operation Current status of outdoor air damper. Go to the page for all settings for digital outputs. Return open mode Active return if the damper is open. The parameter is activated automatically after 115% of the time in open mode if return for open mode is not activated in Configuration 2.
  • Page 49 > EXAMPLE OF DAMPER OPERATION 0 -> 1: After 15% of the time in open mode, return must be Closed Otherwise an alarm is triggered for no movement. After 115% of the time in open mode, return must be Open Otherwise a return alarm is triggered for open mode Damper operation 1 ->...

  • Page 50: Fire/Smoke Detector

    11.2. Fire/smoke detector For selection of Alarm or Alarm+Temp, the fan regulation is configured as follows: Start page > Main menu > Configuration > Start page > Main menu > Unit > Fan control > Fire Configuration 1 > Fire alarm function Parameter Function...

  • Page 51: Air Quality

    11.3. Air quality Scaling of the CO2 sensor Fans (see Fan compensation) are regulated based on air quality. The outdoor air volume increases when the carbon Start page > Main menu > Configuration > dioxide content exceeds a certain value (the fan speed Config.

  • Page 52: Aux Damper

    11.4. AUX Damper The output signal is affected by the speed of the ventilation Start page > Main menu > Unit > Auxiliary unit. The function can be used, for example, to open a damper when the unit switches to a higher speed. Parameter Value Function The function must be activated in the control system.

  • Page 53: Web

    The unit can be controlled via the web. This is done by the control panel being mirrored in a web browser. If you want to have flow charts showing the current values for temperatures, flows, etc., a web module (accessory) must be installed. To configure the function, go to the following menu: Start page >...

  • Page 54: Modbus Tcp/Ip

    If you want to have ModBus with To see the current version for the unit: RS485 serial communication, a communication module Main menu > System overview > Versions > Flexit AHU (accessory) must be installed. If the function is needed on older versions, contact Flexit.
  • Page 55 Start page > Main menu > Configuration > RESTART Configuration 2 > Additional cooling regulation The unit will show an alarm on startup. This can be removed Parameter Function by the configuration shown further down. Standalone Regulation seeks its own temperature target value Start page >...

  • Page 56: Installation

    14.2. Installation 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 4 35 36 Block no.
  • Page 60 Flexit AS, Televeien 15, NO-1870 Ørje www.flexit.no...

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