Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Related Manuals for Exhausto EXact
Summary of Contents for Exhausto EXact
- Page 1 EXact VEX308 3004256-2014-09-10 EXact Control System Basic instructions for VEX308 EXHAUSTO EXHAUSTO Original instructions EXHAUSTO A/S Tel. +45 65 66 12 34 Odensevej 76 Fax +45 65 66 11 10 DK-5550 Langeskov exhausto@exhausto.dk www.exhausto.dk...
- Page 2 21° Weekly plan > 6 Versions PO Number > 1234567 Hardware > Software > Ventilation About EXact > Change ventilation 7 Safety functions Fire alarm > Frost protection HCW > Frost protection HR > 8 Service Filter > VDI 6022 >...
-
Page 3: Table Of Contents
3004256-2014-09-10 Symbols and software version Symbols used in these instructions................5 Software version......................5 Software version .......................5 2. User mode 2.1. HMI panel........................6 2.2. Display icons......................7 3. Operation, access codes and selection of language 3.1. Using the HMI panel....................9 3.1.1. Using keys within the menus................9 3.2. - Page 4 3004256-2014-09-10 Menu 7 - Safety functions..................37 Menu 7.1 - Fire alarm....................37 Menu 7.2 - Frost protection of HCW ...............38 Menu 7.3 - Frost protection heat exchanger ............39 5. Operation Menu 2 - Operating readings..................41 Menu 2.1 - Air temperatures ...................41 Menu 2.1.1 - Set points for regulators ..............42 Menu 2.3 - Motor controller parameters (MC parameters) ........42 Menu 2.4 - Temperature regulating units ..............42...
-
Page 5: Symbols And Software Version
Symbols and software version 3004256-2014-09-10 Symbols and software version Symbols used in these instructions Prohibition symbol Failure to observe instructions marked with a prohibition symbol may result in serious or fatal injury. Danger symbol Failure to observe instructions marked with a danger symbol may result in personal injury and/or damage to the unit. -
Page 6: User Mode
Display Browse menu or set value Activate menu/confirm key Browse menu or set value mode EXHAUSTO If the front cover is extended, push it back in. The extra keys are for service tech- nician use only. EXHAUSTO EXHAUSTO 6/72... -
Page 7: Display Icons
User mode 3004256-2014-09-10 2.2 Display icons Icon Description Manual operation Timer overridden until next changeover in the timer schedule Timer, current indoor air quality level is comfort Timer, current indoor air quality level is economy Timer, current indoor air quality level is standby Timer, VEX has stopped Timer, no changeover times defined in timer schedule BMS-controlled operation... - Page 8 User mode 3004256-2014-09-10 Icon Description Summertime Wintertime No communication on the external BUS or communication between the VEX and HMI is disconnected Fire alarm. Closed circuit open and the pre-set fire alarm function activa- Fire! Startup: Web server accessing database. The icon is displayed until the HMI panel is ready for use.
-
Page 9: Operation, Access Codes And Selection Of Language
3004256-2014-09-10 language 3. Operation, access codes and selection of language 3.1 Using the HMI panel Keys for user mode or service mode EXHAUSTO EXHAUSTO HMI panel ready for every- HMI panel ready for service mode day use Display Service key cover 3.1.1 Using keys within the menus... -
Page 10: Access Codes For Technician And Service Menus
1111 ● The code for technician mode is1111 (some menus are hidden or read-only). EXHAUSTO recommends this mode is used for normal service tasks ● The code for specialist mode is 3142 (full ac- cess to all menus). -
Page 11: Important When Servicing
Operation, access codes and selection of 3004256-2014-09-10 language REMEMBER - Save After changing menu settings it is always important to return to the main menu to settings save your settings by selecting "Save settings" in menu 10 (select yes). If power is disrupted before the settings are saved, the changes must be re-entered. -
Page 12: Connect Service Panel
Operation, access codes and selection of 3004256-2014-09-10 language Weekly plan It is important to follow the instructions below when the weekly plan is active: Set ventilation to OFF. If the HMI panel shows 0% (VEX is inactive) and the unit is operating to a weekly plan when °C servicing begins, there is a risk that the pro- gram may change via a timer operation and re-... -
Page 13: Menu 3.2 - Selecting Language
Operation, access codes and selection of 3004256-2014-09-10 language EXact2 main board Cable requirements The service panel cable can be ordered from EXHAUSTO (product number: HMI- SERVICEC). Menu 3.2 - Selecting language 3.2 General Main menu 3 Settings Operating mode >... -
Page 14: Menu 3.2.1 - Setting Date And Time
Operation, access codes and selection of 3004256-2014-09-10 language Menu 3.2.1 - Setting date and time 3.2 General 3.2.1 Date and time 3 Settings Date and time > Date > 22-02-2009 Unit > Language > English Day > Wednesday General > Time >... -
Page 15: Menu 3.6 - Web Server
Contact the network administrator for information on the correct IP address, etc. If the admin password is lost, it can be reset to the factory setting. But note that this cannot be reversed. See Exact Web server Instructions. 3.6 Web server DHCP >... -
Page 16: Starting Up The Unit For Operation
Starting up the unit for operation 3004256-2014-09-10 4. Starting up the unit for operation The Modbus connectors must not be connected or removed while the units are powered up. Both Modbus units must be switched off before making changes, otherwise the units may be damaged. During commissioning, it may be necessary to work with the control system boxes open. -
Page 17: Menu 3.4 - Accessories
*) Not applicable to VEX308 Options: Cooling unit ● None ● MXCU (external cooling unit) ● CCW (cold water coil) ● CU (EXHAUSTO cooling unit) *) Not applicable to VEX308 ● Hours Filter detection Activating PIR sensor. Op- tions: ● None ●... -
Page 18: Icing Method
Starting up the unit for operation 3004256-2014-09-10 Line in Menu 3.4 Factory-set and Comments should not be changed. Activation of external tempera- ture sensor and selection of type. Options: ● None ● TS ROOM ● TS DUCT *) Not applicable to VEX308 Activation of CO sensor Op- tions:... -
Page 19: Temperature Controlled Frost Protection -- Choice Of Method
Starting up the unit for operation 3004256-2014-09-10 4.3 Temperature controlled frost protection -- choice of method Heating coil METHOD 4 METHOD 6 The outdoor air gradually bypasses the heat exchanger The outdoor air is The outdoor air is gradually reduced gradually reduced The unit enters The unit enters... -
Page 20: What Is An Indoor Air Quality Level
PIR sensor gives a signal (the unit changes from an energy-saving indoor climate level/OFF). Operation with CO2B, PIRB and RHB See "VEX 308 EXact Operating and Servicing Instructions" for more details of VEX operation with the following sensors: ● Operation with CO (CO2B) and motion sensor (PIRB) ●... -
Page 21: Menu 1 - Selecting Operating Mode
Starting up the unit for operation 3004256-2014-09-10 Menu 1 - Selecting operating mode 1 Operating mode Operation > Manual Select Manual The unit is intended to always operate at the same indoor air quality level (set in Menu 3.1.1.1.4) and operation is controlled manually via the HMI panel or the Web server Timer The unit is controlled automatically via a fixed weekly plan... -
Page 22: Menu 3.1.1.5 Regulators
Starting up the unit for operation 3004256-2014-09-10 Example of balance The examples show a unit with manual fan control and balances of 0.80 and 1.20 respectively. Range The required airflow is outside the unit’s normal operating range balanced unbalanced Less than 1 = less supply air - Greater than 1 = less extract air Menu 3.1.1.5 Regulators 3.1.1.5 Regulators Room temperature >... -
Page 23: Menus 3.1.1.1.1 To 3.1.1.1.4 Configuring The Selected Indoor Air Quality Levels
Starting up the unit for operation 3004256-2014-09-10 Kp and Ti settings should only be changed by persons trained in com- missioning ventilation systems. If the following is selected Permitted operations Technician mode (code 1111) Read the settings for the various regulators Specialist mode (code 3142) Set Kp and Ti for the various reg-... -
Page 24: Menu 3.1.1.1.X - Cooling Relative Start
Starting up the unit for operation 3004256-2014-09-10 Menu 3.1.1.1.x - Cooling relative start Definition This value determines when cooling must start in relation to the relative tempera- ture. Low value = narrow temperature regulation range, leading to a comfortable indoor climate. High value = wider temperature regulation range, which provides cooling energy savings. -
Page 25: Menu 3.1.1.1.X - Heating Absolute Start
Starting up the unit for operation 3004256-2014-09-10 Example If Cooling abs. start is set to 24°C, the cooling unit will first start to operate when the temperature exceeds 24°C, even though the daily user has set the required room temperature to 21°C. Menu 3.1.1.1.x - Heating absolute start Definition This value determines when heating must start in relation to the absolute temper-... -
Page 26: Compensation
Starting up the unit for operation 3004256-2014-09-10 Compensation Compensation Each form of regulation provides different options for set point compensation. See the next sections. General Compensation of the airflow and temperature is carried out by a sensor sending signals to the control system, which then reduces or increases airflow and temper- ature if required. -
Page 27: Menu 3.1.2.2 - Humidity Compensation Of Airflow
Starting up the unit for operation 3004256-2014-09-10 Example concentration in the air Airflow... is ... less than Start is the same as set value between Start and Maximum increases gradually to a high level, depending on the current CO level greater than Maximum is increased to maximum air re- placement... -
Page 28: Menu 3.1.2.3 - Airflow Reduction
Starting up the unit for operation 3004256-2014-09-10 Example Air humidity level is Airflow... less than Start is the same as set value between Start and Maximum increases gradually to a high value, de- pending on the current air humidity (RH level) greater than Maximum is increased to maximum air replace-... -
Page 29: Menu 3.1.2.4 - Outdoor Compensation Of Airflow
Starting up the unit for operation 3004256-2014-09-10 Example Supply air temperature is Airflow... Lower than Minimum Equivalent to Minimum (or lowest) airflow Between Minimum and Start increases gradually between mini- mum airflow and the set airflow Greater than Start Equivalent to set airflow ●... -
Page 30: Menu 3.1.3 - Temperature Compensation
Starting up the unit for operation 3004256-2014-09-10 Outdoor air temperature is Airflow... Lower than Minimum Equivalent to Minimum airflow Between Minimum and Start increases gradually between mini- mum airflow and the set airflow Greater than Start Equivalent to set airflow Menu 3.1.3 - Temperature compensation Outdoor air temperature compensation (menu 3.1.2.1) Function... -
Page 31: Summertime Compensation (Menu 3.1.2.2)
Starting up the unit for operation 3004256-2014-09-10 Summertime compensation (menu 3.1.2.2) Function The room temperature can be raised if outdoor air temperatures are high. Summertime compensation is active only if room temperature regulation is activated for the indoor air quality level in Menu 3.1.1 (Operation settings -> Temp. reg. -> Room). -
Page 32: Menu 3.1.5 - Night-Time Cooling
Starting up the unit for operation 3004256-2014-09-10 Warning This is where the number of operating days is set which must elapse before an alarm on incipient filter soiling in the outdoor air and extract air filters is signalled. The factory setting is 100 days. Alarm This is where the number of operating days is set which must elapse before an alarm for changing the outdoor air and extract air filters is signalled. - Page 33 Starting up the unit for operation 3004256-2014-09-10 3.1.5 Night-time cooling 3.1.5.9 Permit night-time cooling Active period > Summer Comfort > Set point > 18°C Standby > Min. supply temp. > 10°C Economy > ΔT max. > ΔT min. > Start time > 00:00 Stop time >...
-
Page 34: Menu 3.1.6 - Cold Recovery
Starting up the unit for operation 3004256-2014-09-10 *The extract air temperature is always used, regardless of whether a room temperature sensor is installed for the system. Menu 3.1.5.9 - Per- mit night-time cool- is set to and the indoor air is activated quality level is Comfort/Standby/... -
Page 35: Room Temperature Limits
Starting up the unit for operation 3004256-2014-09-10 Example If a user selects maximum temperature in the user menu, the temperature will never exceed the value set in this menu. Supply air tempera- ture limits Setting Go to menu Lowest permitted supply air temper- 3.1.8 Range: 10.0 ...25.0°C ature... -
Page 36: Menu 5.2 - Weekly Plan
Starting up the unit for operation 3004256-2014-09-10 Menu 5.2 - Weekly plan Plan type When "Timer" operation has been selected in Menu 1, the weekly plan must be configured. Select one of the following three plan types: Plan type Use when Program interval Different programs are re- Monday, Tuesday, Wednes-... -
Page 37: Menu 7 - Safety Functions
Starting up the unit for operation 3004256-2014-09-10 Program example 5.2.2.1 Weekday 1 IAQ. level > Standby 1 Time of day > 06:00 2 IAQ. level > Comfort 2 Time of day > 07:30 3 IAQ. level > Economy 3 Time of day > 17:30 4 IAQ. -
Page 38: Menu 7.2 - Frost Protection Of Hcw
Starting up the unit for operation 3004256-2014-09-10 Menu 7.2 - Frost protection of HCW Setting of frost pro- tection 7.2 Frost protection HCW Stop temperature > 15°C Warning temp. > 2,0K Number of restarts > Heat retention > 22°C RPT-X fitted > Menu line Function Action... -
Page 39: Menu 7.3 - Frost Protection Heat Exchanger
Starting up the unit for operation 3004256-2014-09-10 If the return water tem- and to- Response perature does the follow- ing within a five-minute num- period ber of starts Remains below the con- > 0 5 min: After 5 minutes, the MVM valve will stant heating temperature close and the CP will stop. - Page 40 Starting up the unit for operation 3004256-2014-09-10 Excessive periods If de-icing of the heat exchanger leads to undesirably reduced supply air for long with reduced supply periods ( icon appears frequently and for long periods), it is recommended that the heating coil output be increased: 1.
-
Page 41: Operation
Operation 3004256-2014-09-10 5. Operation Menu 2 - Operating readings General All of the operating parameters can be read in Menu 2. _ _ _ is shown in the menu if a given unit is not fitted. Menu 2.1 - Air temperatures 2 Operating readings 2.1 Air temperature 2.1.1 Setp. -
Page 42: Menu 2.1.1 - Set Points For Regulators
Operation 3004256-2014-09-10 Menu 2.1.1 - Set points for regulators This menu shows set points for: 2.1.1 Setp. regulators ● Room temperature regulator Room 10,0 Heat recovery ● Heat recovery regulator 10,0 Cooling unit 10,0 Heating unit ● Cooling regulator Compensation: ●... -
Page 43: Menu 2.8 - Ccw Cold Water Coil
Operation 3004256-2014-09-10 Water heating coil The menu shows: ● supply water temperature 2.6 Heating coil ● return temperature Water heating coil: Supply 25.0 °C ● external return water temperature (coldest) Return 15.0 °C External return 15.0 °C ● constant temperature - if the constant temperature function is active (specified Heat retention Pump as a percentage) -
Page 44: Menu 2.11 - Co2/Rh Sensors (If Mounted)
Menu 6.3 Software The menu shows the software version for each unit fitted. Menu 6.4 About EX- The menu shows system information about the EXact control system. Menu 8 - Service The VEX door must be opened to allow servicing and cleaning. -
Page 45: Connect Service Panel
Operation 3004256-2014-09-10 Weekly plan It is important to follow the instructions below when the weekly plan is active: Set ventilation to OFF. If the HMI panel shows 0% (VEX is inactive) and the unit is operating to a weekly plan when °C servicing begins, there is a risk that the pro- gram may change via a timer operation and re-... -
Page 46: Menu 8.2 - Vdi 6022 (Not Applicable)
Operation 3004256-2014-09-10 EXact2 main board Cable requirements The service panel cable can be ordered from EXHAUSTO (product number: HMI- SERVICEC). Menu 8.2 - VDI 6022 (not applicable) Menu 8.3 - Forced start Conditions for use To use the forced start menu, the unit must be set to OFF in the user menu (Ven- tilation). -
Page 47: Menu 8.3.1 Fans
Operation 3004256-2014-09-10 Menu 8.3.1 Fans If there are no current faults for the fans ("Fault on MC1 and MC2" shown as "No"), 8.3.1 Fans forced start may be activated for the supply air and extract air fans. Supply air > Extract air >... -
Page 48: Alarms
Alarms 3004256-2014-09-10 6. Alarms 6.1 Alarms and info (Menu 4) Alarms are shown in the event of unit faults or irregular operation ● Check the Current list (Menu 4) for alarm messages and refer to the list of alarms given at the end of these instructions. List of alarms Main menu 4 Alarm and info... - Page 49 There can be up to 16 alarms on the "Current list". The first alarm to be added to the queue will be the first alarm to be removed, if there are more than 16 alarms (FIFO principle). Info in EXact shown only in the alarm log list Menu 4.6 Example - list of 36024 is an alarm on EC controller 1 (36024).
-
Page 50: List Of Alarms
Alarms 3004256-2014-09-10 6.4 List of alarms Main Control VEX Troubleshooting Alarm description (See appendix 1: "Simplified diagrams" for the positioning of dampers, sen- sors, air directions, etc.) xx yy 00 01 Control is powered Indicates when control is powered ● Unknown fault, call service 00 02 Unknown reboot of con- trol... - Page 51 Alarms 3004256-2014-09-10 Temperature sensor Troubleshooting Alarm description (See appendix 1: "Simplified diagrams" for the positioning of dampers, sen- sors, air directions, etc.) xx yy 11 01 TE11: TE11: ● Check the sensor's resistance complies with the actual temper- Extract air duct temper- ature.
- Page 52 Alarms 3004256-2014-09-10 Temperature sensor Troubleshooting Alarm description (See appendix 1: "Simplified diagrams" for the positioning of dampers, sen- sors, air directions, etc.) xx yy 11 10 TE-RPT: TE-RPT: ● Check the sensor's resistance complies with the actual temper- Return water pipe tem- ature.
- Page 53 Alarms 3004256-2014-09-10 Filters Troubleshooting Alarm description (See appendix 1: "Simplified diagrams" for the positioning of damp- ers, sensors, air directions, etc.) Replace extract air filter Replace extract air filter soon soon Replace extract air fil- Replace extract air filter! ter! Replace outdoor air fil- Replace outdoor air filter soon ter soon...
- Page 54 Alarms 3004256-2014-09-10 HC Alarm Troubleshooting Unit Alarm description (See appendix 1: "Simplified diagrams" for the positioning of dampers, sensors, air directions, etc.) xx yy 14 01 Thermal fuse TSA70 HCE: activated Info is reset when the temperature falls below 70°C. 14 02 Thermal fuse TSA70 is/ HCE:...
- Page 55 Alarms 3004256-2014-09-10 HC Alarm Troubleshooting Unit Alarm description (See appendix 1: "Simplified diagrams" for the positioning of dampers, sensors, air directions, etc.) xx yy 14 10 Return water temp. too HCW: ● Check that the hot water supply to the heating coil is low.
- Page 56 Alarms 3004256-2014-09-10 HC Alarm Troubleshooting Unit Alarm description (See appendix 1: "Simplified diagrams" for the positioning of dampers, sensors, air directions, etc.) xx yy 14 14 Could not increase re- HCW: ● Check that the hot water supply to the heating coil is turn water temp.
- Page 57 Alarms 3004256-2014-09-10 HC Sensor Troubleshooting Alarm description (See appendix 1: "Simplified diagrams" for the positioning of dampers, sen- sors, air directions, etc.) xx yy ● Check the sensor's resistance complies with the actual temper- 15 01 Supply air duct temper- ature sensor discon- ature.
- Page 58 Alarms 3004256-2014-09-10 HC Controller Troubleshooting Unit Alarm description (See appendix 1: "Simplified diagrams" for the positioning of damp- ers, sensors, air directions, etc.) xx yy 16 02 HCW: Fan speed tem- iHCW: Fan speed temporarily reduced because warning limit porarily reduced for frost protection of water heating coil has been reached 16 03 HCW: VEX temporarily...
- Page 59 Alarms 3004256-2014-09-10 Temperature sensor MIO-TS Troubleshooting Alarm description (See appendix 1: "Simplified diagrams" for the positioning of dampers, sen- sors, air directions, etc.) xx yy ● Check the modbus cable between the connection board (EX- 22 01 No modbus communi- cation to MIO-TS mod- act)/main board (EXact2) and MIO module.
- Page 60 Alarms 3004256-2014-09-10 Motion sensor PIR Troubleshooting Alarm description (See appendix 1: "Simplified diagrams" for the positioning of dampers, sen- sors, air directions, etc.) xx yy ● Check the modbus cable between the connection board (EX- 24 01 No modbus communi- cation to PIR module act)/main board (EXact2) and PIR module.
- Page 61 Alarms 3004256-2014-09-10 External cooling unit (MXCU) control Troubleshooting Alarm description (See appendix 1: "Simplified diagrams" for the positioning of dampers, sen- sors, air directions, etc.) xx yy ● Check the jumper in the CN6 connector on the cooling control 28 01 Module configured in- correctly.
- Page 62 Alarms 3004256-2014-09-10 MCCW control Troubleshooting Alarm description (See appendix 1: "Simplified diagrams" for the positioning of dampers, sen- sors, air directions, etc.) xx yy ● Check the jumper in the CN6 connector on the cooling control 31 01 Module configured in- correctly.
- Page 63 Alarms 3004256-2014-09-10 De-icing Troubleshooting Unit Alarm description (See appendix 1: "Simplified diagrams" for the positioning of damp- ers, sensors, air directions, etc.) xx yy 32 03 De-icing activated be- Information showing the unit running de-icing cause of icing 32 04 Standby mode activa- Information showing the unit is in hibernation mode because ted because of too...
- Page 64 Modbus Status Troubleshooting Alarm description (See appendix 1: "Simplified diagrams" for the positioning of dampers, sen- sors, air directions, etc.) xx yy 34 01 SendModbusDataRe- Contact EXHAUSTO A/S ceive fail 34 02 SendModbusDataSend Contact EXHAUSTO A/S fail 34 03 SendModbusDataCon-...
- Page 65 Alarms 3004256-2014-09-10 VEX configuration Troubleshooting Alarm description (See appendix 1: "Simplified diagrams" for the positioning of dampers, sen- sors, air directions, etc.) xx yy ● Configure the VEX in menu 3.3 40 01 VEX type has not been configured ● Configure VEX size in menu 3.3 40 02 VEX size has not been configured...
-
Page 66: Appendix 1 - Simplified Diagrams Simplified Diagrams
Appendix 1 - Simplified diagrams 3004256-2014-09-10 Appendix 1 - Simplified diagrams Simplified diagrams VEX308 with water heating coil HCW TE-RPT TE-SPT CO2B/RHB PIRB TE22 TE11 TE12 Tice TE21 66/72... -
Page 67: Vex308 With Electric Heating Coil Hce
Appendix 1 - Simplified diagrams 3004256-2014-09-10 VEX308 with electric heating coil HCE CO2B/RHB PIRB MHCE TE22 TE11 TE12 Tice TE21 67/72... -
Page 68: Appendix 2 - Temperature Resistance Table
Appendix 2 - Temperature resistance table 3004256-2014-09-10 Appendix 2 - Temperature resistance table Temperature resistance table DC95 Temperature Resistance Temperature Resistance Temperature Resistance [°C] [Ohm] [°C] [Ohm] [°C] [Ohm] 324.270 34.464 5.774 320.139 32.737 5.545 299.580 31.107 5.326 280.471 29.567 5.116 262.702 28.113... - Page 69 Appendix 2 - Temperature resistance table 3004256-2014-09-10 Temperature Resistance Temperature Resistance Temperature Resistance [°C] [Ohm] [°C] [Ohm] [°C] [Ohm] 1.390 840,6 528,5 1.346 815,7 514,0 1.303 791,6 500,0 1.261 768,4 486,4 1.221 746,0 473,2 1.183 724,3 460,5 1.146 703,3 448,2 1.110 683,1 436,3...
- Page 70 3004256-2014-09-10 70/72...
- Page 71 3004256-2014-09-10 71/72...
Need help?
Do you have a question about the EXact and is the answer not in the manual?
Questions and answers