Exhausto EXact Basic Instructions Download Page 46 | Manualshive

Page: 46 / 72

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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).

NB

When Menu 8.3 "Forced start" is exited, forced start is reset and normal operation
can be resumed. When a submenu is exited, the values in the submenu are reset.

Menu

Heating unit >

Cooling unit

Dampers and relays >

8.3 Forced start

Fans >

3004256-2014-09-10

Operation

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Summary of Contents for EXact

Page 1: ...instructions for VEX308 EXHAUSTO OK EXHAUSTO Esc OK Original instructions 3004256 2014 09 10 EXact VEX308 EXHAUSTO A S Odensevej 76 DK 5550 Langeskov Tel 45 65 66 12 34 Fax 45 65 66 11 10 exhausto ex...

Page 2: ...t technician menu Save settings 1 Operating mode Operation Manual 2 Operating readings Air temperature Airflows MC parameters Temp reg units Pressure Heating unit CCW MXCU Timers CU cooling unit Exter...

Page 3: ...1 Menu 3 1 1 Operating settings Balance 21 Menu 3 1 1 5 Regulators 22 Menus 3 1 1 1 1 to 3 1 1 1 4 Configuring the selected indoor air quality levels 23 Menu 3 1 1 1 x Air set point 23 Menu 3 1 1 1 x...

Page 4: ...ing unit 43 Menu 2 11 CO2 RH sensors if mounted 44 Menu 6 Versions 44 Menu 8 Service 44 Connect service panel 45 Menu 8 2 VDI 6022 not applicable 46 Menu 8 3 Forced start 46 Menu 8 3 1 Fans 47 Menu 8...

Page 5: ...mbol 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 Software version Software v...

Page 6: ...OK RD12248 01 Display Browse menu or set value Activate menu confirm key Browse menu or set value If the front cover is extended push it back in The extra keys are for service tech nician use only EXH...

Page 7: ...on shown as percentage 0 no ventilation OFF Unit is switched off timer function cannot start up unit BMS or Web server controlled system overrides the OFF func tion This means the system may start up...

Page 8: ...ommunication between the VEX and HMI is disconnected Fire Fire alarm Closed circuit open and the pre set fire alarm function activa ted Loading Linux Startup Web server accessing database The icon is...

Page 9: ...ready for every day use HMI panel ready for service mode A Display B key C key D key E key F key G key H Service key cover 3 1 1 Using keys within the menus Keys Used for Navigation and setting value...

Page 10: ...is mode is used for normal service tasks The code for specialist mode is 3142 full ac cess to all menus NB incorrect settings wrong val ues may have a negative impact on unit operation in some menus P...

Page 11: ...ngs Settings Alarm and info Time and weekly plan Versions Safety functions Service Exit technician menu Save settings 10 Save settings Save settings Last saved Date Time No 15 02 2011 15 30 22 3 3 IMP...

Page 12: ...ver operation If BMS or Web server controls are used they could override the OFF function and the VEX may start up irregularly To disconnect the BMS or WEB server con nection you must remove the plug...

Page 13: ...e and time Language Reset settings Reload database English Main menu Operating mode Operating readings Settings Alarm and info Time and weekly plan Versions Safety functions Service Exit technician me...

Page 14: ...3 2 1 Menu 3 2 Reset settings Selecting Reset settings resets the user settings See the menu guide for details of which menus are affected NB This cannot be reversed and the VEX will restart 3 2 Gener...

Page 15: ...s to establish the connection to the USB The backup file can only be saved on a USB plug Once the file has been saved it is not possible to change the file name or type The file is named automatically...

Page 16: ...any work on motor controls or motor cables and terminal boxes the power supply must be switched off for at least five minutes to allow the capacitors to discharge Before any commis sioning begins Chec...

Page 17: ...s pur chased with HCW Not applicable to VEX308 Cooling unit Options None MXCU external cooling unit CCW cold water coil CU EXHAUSTO cooling unit Not applicable to VEX308 Filter detection Hours PIR Act...

Page 18: ...ing method 4 2 1 Bypass de icing example Extract air Supply air Exhaust air Outdoor air RD13238GB 01 18 C 100 14 C 20 C 22 C 10 C 80 100 100 20 Ventilator 1 Ventilator 2 3 C Detection meth od Principl...

Page 19: ...control for the air control method Start up after hiber nation The unit restarts after two hours of hibernation If outdoor temperature is 2 Kelvin higher than when the unit went into hibernation or i...

Page 20: ...set ting Yes No Adjustable Adjustable Air replacement and temperature deviation set via the HMI panel The current indoor air quality level can be controlled in five ways Via a weekly plan based on th...

Page 21: ...nt Abs Rel Cool rel start Cool abs start Heat rel start Heat abs start 60 80 21 0 Relativ 1 0 1 0 c K K 21 60 C 29 05 2009 14 32 Menu 3 1 1 Operating settings Air regulation Method Method no Descripti...

Page 22: ...outside the unit s normal operating range B balanced C unbalanced NB 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 Supply air...

Page 23: ...c K K Menu 3 1 1 1 x Air set point Definition Used to set the desired ventilation level for the given indoor air quality level from 0 to 100 Press OK to end Menu 3 1 7 limits menu See the range limits...

Page 24: ...Definition This value determines when the heating coil must start in relation to the relative temperature Low value narrow temperature regulation range leading to a com fortable indoor climate High va...

Page 25: ...egulation Room temperature regulation temperature regulated until the desired level is reached Temperature regulation is adjusted serially using the following elements Modulating heating coil s Any ex...

Page 26: ...mpensation of airflow reduces the airflow in case of falling out door temperature NB All compensation options can be connected and active at the same time and may influence the control airflow Autosta...

Page 27: ...r RHB MIO RH BMS must be fitted in order to be able to select humidity compensation of the airflow The sensor must be installed in the room in which you wish to make compensation such as a bathroom Co...

Page 28: ...m is increased to maximum air replace ment Menu 3 1 2 3 Airflow reduction Function When the control system is operating this function reduces the required supply air airflow in the event of falling su...

Page 29: ...ance can occur in the airflows as only the supply airflow is reduced while the extract airflow is maintained at the required level CO2 and RH sensors are overridden by this function Menu 3 1 2 4 Outdo...

Page 30: ...ngs Temp reg Supply air Selecting outdoor air temperature compensation Activate in Menu 3 1 3 1 Outdoor air com pensation Outdoor air compensation aims to compensate for the energy that a building eit...

Page 31: ...indoor air quality feels comfortable even when people are wearing summer clothing If summertime compensation is required select values as indicated below Example Room temperature is Action Too cold wh...

Page 32: ...ir replacement Night time cooling involves high airflow ventilation without turning on the cooling unit Conditions for night time cooling The control system does a five minute test run to check the fo...

Page 33: ...r ature cannot be met night time cooling stops 10 C T max Setting for temperature difference between outdoor air and extract air when the unit operates with 100 fan speed 6K T min Setting for temperat...

Page 34: ...ecovery operates at 100 when it is engaged Stop Cold recovery ceases again when the temperature difference between the room temperature and outdoor air temperature is 1K below the configured start lim...

Page 35: ...where room temperature can be changed will be limited by these settings Example If a user selects maximum temperature in the user menu the temperature will never exceed the value set in this menu Roo...

Page 36: ...Weekly plan Plan type Change 5 2 5 2 2 Change Weekday Weekend 5 2 2 1 Weekday 1 IAQ level 1 Time of day 2 IAQ level 2 Time of day 3 IAQ level 3 Time of day 4 IAQ level 4 Time of day 5 IAQ level 5 Time...

Page 37: ...rds Go to Menu 7 1 and select mode Operating mode VEX308 Internal damper BP 1 factory setting Supply air and extract air stopped BP1 closed 2 Supply air 100 and extract air stopped BP1 open 3 Supply a...

Page 38: ...ve restarts may be se lected Select the maximum number of restarts permitted in an hour before an alarm is trig gered Manual reset is activated by se lecting 0 for no of restarts Constant tempera ture...

Page 39: ...Home Tice 0 Office school Tice 5 Fine adjustment of Tice As ice formation in the counter flow heat exchanger is strongly dependent on the humidity content of the extract air the air temperatures and t...

Page 40: ...uced supply air for long periods icon appears frequently and for long periods it is recommended that the heating coil output be increased 1 Increase supply temperature TE SPT 2 If the heating coil is...

Page 41: ...0 0 c c c c c 2 1 Air temperature Setp regulators Supply air room Extract air room Outdoor air Exhaust air External sensor 2 1 1 Setp regulators Room Heat recovery Cooling unit Heating unit Compensati...

Page 42: ...ng unit output if installed cooling unit output if installed cooling recovery 0 or 100 whether de icing is active or inactive de icing steps see table below countdown in seconds until restart of unit...

Page 43: ...e modulating step internal temperature in electric heating coil control box Menu 2 8 CCW cold water coil 2 8 CCW Freml b Pumpe 25 0 Fra C The menu shows Supply temperature for the cold water coil Pump...

Page 44: ...it Menu 6 2 Hardware The menu shows the hardware version for each unit fitted Menu 6 3 Software The menu shows the software version for each unit fitted Menu 6 4 About EX act The menu shows system inf...

Page 45: ...er BMS unit or Web server operation If BMS or Web server controls are used they could override the OFF function and the VEX may start up irregularly To disconnect the BMS or WEB server con nection you...

Page 46: ...Conditions for use To use the forced start menu the unit must be set to OFF in the user menu Ven tilation NB When Menu 8 3 Forced start is exited forced start is reset and normal operation can be res...

Page 47: ...ntil Run on is shown as No 8 3 2 Heating unit HCW Error on unit 0 No For water heating coil HCW If there are no current faults for the heating coil Fault on unit shown as No forced start may be activa...

Page 48: ...ms can be seen in the current list of alarms in Menu 4 5 6 2 Reset alarms Alarm causes must be found An alarm can be reset once the cause has been remedied Menu 4 All alarms may be reset by selecting...

Page 49: ...ch individual alarm is shown for two seconds on a rotation basis nn alarm no out of total number nn of alarms XXYYZ see definition for alarm number Category Category Z Alarm level Effect on operation...

Page 50: ...Unknown reboot of con trol Unknown fault call service 00 03 1 A watchdog rebooted control Unknown fault call service 00 04 1 Software rebooted con trol The software has rebooted the control system 00...

Page 51: ...n value it should be replaced 11 05 4 TE21 Outdoor air duct tem perature sensor discon nected TE21 Check the sensor s resistance complies with the actual temper ature See temperature resistance table...

Page 52: ...dix 2 If the sensor resistance has significantly changed in value it should be replaced 11 15 4 Tice Supply water pipe tem perature sensor on wa ter cooling coil discon nected Tice Check the sensor s...

Page 53: ...air directions etc xx yy z 13 01 2 Replace extract air filter soon Replace extract air filter soon 13 02 3 Replace extract air fil ter Replace extract air filter 13 03 2 Replace outdoor air fil ter s...

Page 54: ...annels are not blocked ducts grilles cowls Check that the filters are clean 14 07 1 Electrical heating coil internal thermal fuse activated HCE Info is reset when the temperature falls below 60 C in t...

Page 55: ...in the user menu and force start the motor valve and circulation pump in specialist menu 8 3 The alarm resets automatically when the temperature rises above the constant temperature level 14 12 3 Ret...

Page 56: ...tection with VEX stopped HCW Check that the hot water supply to the heating coil is functioning If the hot water supply is functioning check if the motor valve opens and the circulation pump is runnin...

Page 57: ...alue it should be replaced 15 07 4 Return water pipe tem perature sensor on wa ter heating coil discon nected Check the sensor s resistance complies with the actual temper ature See temperature resist...

Page 58: ...c heat ing coil warm in last three minutes HCE The fans run on for three minutes after the electric heat ing coil has been in operation CO2 sensor Device Fault code Category Alarm description Troubles...

Page 59: ...rature sensor short circuited Check the sensor s resistance complies with the actual temper ature See temperature resistance table appendix 2 If the sensor resistance has significantly changed in valu...

Page 60: ...n configured Configure BMS External cooling unit MXCU sensor Unit Fault code Category Alarm description Troubleshooting See appendix 1 Simplified diagrams for the positioning of dampers sen sors air d...

Page 61: ...ain board EXact2 and MXCU module Check the modbus cable from the MXCU module to the other units for faulty wiring MCCW Unit Fault code Category Alarm description Troubleshooting See appendix 1 Simplif...

Page 62: ...ol safety functions overridden lo cally due to service Cooling control temporarily controlled by Lodam Multi Tool Override lasts for max 60 minutes 31 13 4 Cooling control detec ted but not selected i...

Page 63: ...icing is de activated iHCW The return water temperature has fallen below the warning temperature and the frost protection function is ac tive Check that the hot water supply to the heating coil is fu...

Page 64: ...nnect fail Contact EXHAUSTO A S 34 06 1 GetRegister Connect fail Contact EXHAUSTO A S Analog Motor 1 Unit Fault code Category Alarm description Troubleshooting See appendix 1 Simplified diagrams for t...

Page 65: ...enu 3 3 40 02 4 VEX size has not been configured Configure VEX size in menu 3 3 40 03 4 VEX orientation has not been configured Configure orientation in menu 3 3 VEX configuration Unit Fault code Cate...

Page 66: ...mplified diagrams Simplified diagrams VEX308 with water heating coil HCW HCW RD13211 02 TE21 Tice TE12 TE11 TE22 TE RPT TE SPT MC2 CO2B RHB MC1 BP1 LSR PIRB 3004256 2014 09 10 Appendix 1 Simplified di...

Page 67: ...VEX308 with electric heating coil HCE RD13199 02 TE21 Tice TE12 TE11 TE22 LSR BP1 MC1 MC2 MHCE CO2B RHB PIRB 3004256 2014 09 10 Appendix 1 Simplified diagrams 67 72...

Page 68: ...139 904 13 17 270 52 3 342 25 131 670 14 16 476 53 3 219 24 123 972 15 15 722 54 3 101 23 116 772 16 15 008 55 2 988 22 110 035 17 14 330 56 2 880 21 103 727 18 13 687 57 2 777 20 97 820 19 13 076 58...

Page 69: ...221 97 746 0 113 473 2 82 1 183 98 724 3 114 460 5 83 1 146 99 703 3 115 448 2 84 1 110 100 683 1 116 436 3 85 1 075 101 633 5 117 424 7 86 1 042 102 644 6 118 413 5 87 1 010 103 626 3 119 402 7 88 97...

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