User's manual
Contents
1. NM PAI ON aL Lf WOD M JL PJ AO t7 7 7 z AE i we lt ZHOS A08Z 3SVHd d 2 EJ 2 AL Ni m m m TANVd 1OH INOO Uv S B ua ans YAY cC gt un HEN n OM L M SF E TOULNOD g 2 8 i gt e cc sngaon ERT E 2 T duooqaino c uosN3s YOLSINYAL O V z JSnVHX3 PP Ei 5 5 he Vu VO MOLSINYAL 0 m Uou AlddNS _ vs ual x E 5 Ile JIS Boos MOSN3S jy NOSN3S gt E c g LIQINnH D 9 32 ES g gt Ce O u e e n _ D VO Nya E s e 1 WNOILdO JHL NI NMOHS SNOILO2. MA AXLAA MAX481 MAX483 MAX485 MAX487 MAX1487 If the line is too long or if any communication problem occurs 120 Ohm resistance should be added at the beginning and end of the line as shown on schema 3 Modbus Functions Communication package is the same for each function First address information of relevant module is sent on package After added information type CRC code which is a failure code that evaluates accuracy of package is sent Table 3 1 Modbus package type sent Address Information Function Code Data Failure Control CRC16 Control board supports only two of standard functions of Modbus These codes are 03 register reading Table 3 2 and 06 register writing Table 3 3 In the example below Table 3 2 master wants to know the 16 bit data on 2nd register Corresponding response value of control board is shown on the table below In the second example Table 3 3 master wants to write the 16 bit data on 2nd register and it is reported to control board that the data was written Table 3 2 Function 03 Transfer Package Example Master Transfer Address Information Function Code Register ID Data Length Failure Control 0x01 0x03 0x00 0x02 0x00 0x01 0x25 0xCA Response of Control Board Address Information Function Code Register ID Data Length Failure Control 0x01 0x03 0x00 0x07 0xFF OxFA 0x0 34 Table 3 3 Function 06 Transfer Package Example Master Transfer Address Information Func
3. g gt A min 600 mm advice View from top A clear space of 600 mm must be provided in front of the unit for service Installation Installation Version EA Exhaust Air SA Supply Air OA Outdoor Air RA Return Air ALNOR ventilation systems is a legally protected trademark and technical patent All rights reserved ct 9 ct D A O C im O i ir S E C gt gt User s manual of recovery ventilators HRU MinistAir W 450 Installation Discharge Condensate Installation Moisture condensed water should be drained out of the unit to prevent water damage in heat recovery unit and ductwork system Following precautions should be observed 1 Condensate pipe connections to main drainage line should be less than the diameter of the drainage outlet connection Not less than a diameter of 20 mm 2 Aunion or pipe coupling should be fitted at the pipe connections to permit easy disconnection to clean any dirt sediments 3 The connection drain pipe shall have a diameter of at least 20mm and a sufficient slope under no circumstance may the drain pipe be connected directly
4. 5 450 5 400 S 3501 1 L4 E lt 2 300 D 250 F o 20 HH OJ h e 150 O 100 1 50 Cy 0 A 0 50 100 150 200 250 300 350 400 450 500 550 Air Volume m h Low Speed A Medium Speed O High Speed C MEM AC Sound curve O Octave Sound Pressure Level dB Overall A Scale 63 125 250 500 1000 2000 4000 8000 Central Frequency Cycle per Second Low Speed High Speed 5 Medium Speed sanasi Boost ALNOR ventilation systems is a legally protected trademark and technical patent All rights reserved
5. Clearance for condensate drain Installation Remove of Cover Plate 1 Remove front and rear cover plates by unscrewing fittings 2 Front cover plate has 4 pcs M5x10 screws 3 Rear cover plate has 6 pcs M5x10 screws ALNOR ventilation systems is a legally protected trademark and technical patent All rights reserved User s manual of recovery ventilators HRU MinistAir W 450 Installation Installation Remove the By Pass Damper 1 Remove front cover plate by unscrewing fittings 2 Remove install by pass damper module by unscrewing 4 pcs M5x10 screws 3 Insert front cover plate by screwing fittings Note By pass is installed as a standard ct oO ct D A O C Connection of Power Supply 1 Power supply 230V 50Hz 1 Phs power connection L N Ground 2 Control cable bm Length of control cable is 5m Please cabling this control cable to the place where control panel will be connected Installation of Spigots at Exhaust Side 1 To remove the spigots unscrew 4 pcs 4 2x13 screws 2 Remove the blanking caps by unscrewing the screws 4 pcs M5x10 3 After removing blanking caps please also remove EPS caps and install them upperside of the u
6. 1 It records run time of the unit Filter change time is set a particular run time by factory settings When set time expires control board gives an a lert red warning light flashes for filter change After filter cleaning is done filter setting time can be reset by pressing simultaneously 7 and for 3 seconds Note Default run time set value is changeable 2 Filter change time can be controlled by pressure switch mechanically With this method when filter needs to be changed con trol board gives an alert red warning light flashes After changing cleaning is completed warning light goes off automatically By pass Function By pass function is used when filtered fresh air is desired to be supplied to indoor without passing through heat exchanger transition seasons Control board decides whether by pass module will be opened or not by controlling outdoor air tempera ture return air temperature and set temperature values Ho Ae BH o BEBBE lec Note To activate this function turn deep switch 3 on Electrical Heater Control Function Electrical heater control function controls electrical heater that is used to increase temperature of supply air It runs due to the return air temperature and set temperature values 1 or 2 steps electrical heater can be controlled S HHBE Ut B laa Note To activate this function turn deep switch 1 on ALNOR ventilation systems is a legally protected tra
7. 0 alor systems qu User s manual Recovery ventilators Recovery ventilators HRU MinistAir W 450 ct 9 ct D A O C im O i ir 4 2 S D gt gt User s manual of recovery ventilators HRU MinistAir W 450 Table of contenst SENIOR 3 GUEST 4 i es PNE EE 4 a UG Meee tea a a cag E EE E ode nate eae eae es 9 n x Su 5 j E SKEE e E P E E E EE E A EA TS E T E E E E A T 6 Rara mcm 7 Oo D rectos o METTE eau A tant de Yat ee shen 7 TAS CAMA EI O MOTTO TETTE m 7 Selector Electrical Cable CFOSS SOCBOTIn count aao 11 12 ALNOR ventilation systems is a legally protected trademark and technical patent All rights reserved User s manual of recovery ventilators HRU MinistAir W 450 Safety informations This unit has to be used under proper conditions according to its technical specification and design purpose Otherwise responsibility belongs to practitioner e Unauthorized person
8. second stage There is water coil It is off There is no by pass By pass is off Cooling coil is on aa Heating coil is on ERE No failure freezing scenario is off During a failure situation the code ERR and its code will be seen on screen FILTER X Filter dirty Freezing scenario is on By pass is on BMS and TIMER is not adjusted BMS is on TIMER is on ALNOR ventilation systems is a legally protected trademark and technical patent All rights reserved User s manual of recovery ventilators HRU MinistAir W 450 Control 2 Screen Symbols Timer TIMER is off G TIMER is on 5 weekdays C TIMER is on Weekdays Saturdays Shut down time of unit C Fg TIMER is on All days ct oO ct D A O C Date yy mm dd Screen brightness value Screen contrast value ALNOR ventilation systems is a legally protected trademark and technical patent All rights reserved User s manual of recovery ventilators HRU MinistAir W 450 Control Note This is only available for DX units Modbus Connect 1 Introduction Error Code List Ei e Register 25 Value Panel Screen Code Description VW 0 Unit is working normally 5 1 ERR 1 Fire alarm 2 ERR 2 Heater alarm NENNEN C 3 ERR 3 Supply fan failure OA c 4 ERR 4 Exhaust fan
9. 52 Supply fan velocity stage 1 rw 0 2 0 low 1 med 2 high 53 Exhaust fan velocity stage 1 rw 0 2 0 low 1 med 2 high 56 Temperature set point 1 rw oC 18 28 63 Humidity sensor set point 1 rw 40 60 89 DX running mode 1 rw 0 2 0 Automatic 1 Cooling 2 Heating 101 Panel modbus address 1 rw 1 254 ALNOR ventilation systems is a legally protected trademark and technical patent All rights reserved User s manual of recovery ventilators HRU MinistAir W 450 Maintenance Maintenance TURN OFF all the power switches before the maintenance is performed Do not operate the system without the air filter to protect the components of the unit against being clogged Clean up the air filter every 3 months Filters should be replaced every 6 months Clean up the heat exchanger every 2 years Air Filter Cleaning 5 ROT 00060609050 SORELY 0600090506009 2 069002 SY Q2 K lt ho D Slide the Service Open the Remove Cover Left Service Cover the Filters Step 1 Slide left open the service cover and then remove the filters Vacuum Cleaner Filter OUO AEN MOSS IAN ORC N i 2 A x Step 2 Use a vacuum cleaner to suck up the dust from the air filter If necessary use warm water with addition a hous
10. changes auto matically according to the information coming from these sensors ALNOR ventilation systems is a legally protected trademark and technical patent All rights reserved ct oO ct D A O C User s manual of recovery ventilators HRU MinistAir W 450 Control Control Function 1 ON OFF Press for 3 seconds 3 2 2 Press AN or Nc to switch to screens in between Press N to switch to next screen Press to switch to previous screen z 3 Press to change any value on screen A Press 4 to increase existing valu 1 C Press NC to decrease existing value 1 j 4 Press to exit existing menu O im O ir 4 2 S E C D gt gt 5 Press to achive boost function 6 Child Lock To activate this function press and NC for seconds When child proof protection is active keypad is locked and buttons do not work To deactivate this function press 2 and NC for 3 seconds 7 7 To reset the duration of filter contamination d
11. ANNOO SHL H LON O S 9 LLc Ne LLL 000000 QD E E E 999909 m NOLD3NNOO m QE 5 NOLLO3NNOO p 8 amp 8B col aelN 3 N 3 allo 1 oja s w N 3 T a silsislislisilellelle sew Wi NN I slsljslsljsjsllelele Serra QU T S susllsllslisilelle elle C E SHIT Ir NV3 LS VHX3 EE o H EE grin ool add zl i zd m i gt 3 9 E o vo Sd 0 2 ANOA 1NOM o 00 00 6 cC 9 9 9 9 9 YOLOW 3dWva z 3svHd i ds SSWHdE ASWHd EN ASVHd V BS ind noez nd A00 1ddns LH d3LS 2 si31v3H d LH d3 LS LualvaH asd LH d3LS 2 1V3H d LH da1s 1 ualviH 3d eal bo i a clu cei icum uL B Un 2 2 User s manual of recovery ventilators HRU MinistAir W 450 Unit dimensions 5160 wu N View from top View from front All measurement values are mm Service space
12. available 1 5 0 Active for 5 weekdays off on weekends 2 5 1 Active for 5 weekdays and saturday off on sunday 3 5 2 Active for all days of the week Fire Function There is a dry contact relay on the control board The fire function is activated in case of on fire if the dry contact relay is attached to fire system Note In case of fire the unit is closed on Basic Panel Different scenarios can be selected on Pro Panel Warnings There are three types of warnings on panel 1 If red warning signal lights continuously it means fan failure or outdoor air thermistor failure Unit is not working 2 If red warning signal and fan speed led lights simultaneously it means failure of components Only fans are running 3 If red warning signal flashes it is an alarm of dirty filte Screen failure code is ERR on Pro Panel See failure code list Note After troubleshooting press for 3 seconds Child Proof Protection Function It is used to lock the keypad See use of keypad Note Child proof protection is available on Pro Panel This function will be activated if any button isn t pressed for 10 seconds Sensor VOD Sensor VOD function is available on ProP anel It runs with CO sensor or air quality sensor Speed of fans changes automatically according to the information coming from these sensors Sensor Humidity Sensor Humidity function is available It runs in accordance with the humidity of the indoor air Speed of fans
13. demark and technical patent All rights reserved 9 ct D A O O im O i Me 4 2 S C D gt gt User s manual of recovery ventilators HRU MinistAir W 450 Control Frost Protection Function Condensation occurs inside the unit where outdoor air temperature is below 0 C Heat changer can be damaged if condensation water freezes inside Control board changes fan speed periodically to protect freezing Note This function is active when outdoor air temperature is below 3 C Set temperature value is changeable Pre Heater Function This function helps to protect unit from freezeing where outdoor air temperature is too low It runs due to outdoor air tempe rature 1 step electrical heater can be controlled Note To activate this function turn deep switch 2 on EJHEHBEB o Note This function is active when outdoor air temperature is below O C Set temperature value is changeable Boost function This function is used when large amount of exhaust and fresh air is needed at the time of using kitchen bathroom wc etc while ventilation is still going on There are 2 boost functions on controller One of them is on control panel the other one is on control board 1 Boost function is activated by pressing for 3 seconds After unit runs at boost speed maximum speed and during boost time 15 minutes it begi
14. e ALNOR ventilation systems is a legally protected trademark and technical patent All rights reserved ct ct D A O User s manual of recovery ventilators HRU MinistAir W 450 Components HRU MinistAir W 450 units are designed for recovering part of the energy of the exhausted air in a ventilation system The recovered energy is directly transferred to the supplied fresh air that reduce the necessary load on the air conditioning system V Control k A m F p j v JUIN 4 Exhaust and Supply Air Filtres By Pass Heat Recovery Exchanger Casing Exhaust and Supply Air Fans O U im Me 4 2 S C Y gt gt Technical data HRU MinistAir W 450 Air Flow m3 h 470 Nominal Voltage V Hz Ph 230 50 1 Max Power Input W 180 Current Draw A 1 54 Max Sound Pressure dB A 48 Unit Weight kg 41 Filter G4 Class Synthetic Filter According to EN 779 F class filter is optional External static pressure is OPa Measured at 1 5m distance to the unit ALNOR ventilation systems is a legally protected trademark and technical patent All rights reserved User s manual of recovery ventilators HRU MinistAir W 450 Performance curve 500
15. e detergent to remove the persistent dirt Leave to dry after cleaning the air filter Note If F class filter is used when filter gets dirty do not clean F class filters should be replaced if it is dirty ALNOR ventilation systems is a legally protected trademark and technical patent All rights reserved ct oO ct 2j D A O C im O ir 4 2 S D gt gt User s manual of recovery ventilators HRU MinistAir W 450 Maintenance Heat Echanger Cleaning Y BN Step 1 Remove the front cover plate see page 8 then remove the by pass see page 9 and then remove heat exchanger out from the main unit Note The maximum weight of heat exchanger is 5 5kg Vacuum Cleaner Step 2 No cleaning with fluids including water only careful dust removal from air intake surfaces with a household vacuum cleaner X ALNOR ventilation systems echnical patent All rights reserved is a legally protected trademark and technical patent All rig User s manual of recovery ventilators HRU MinistAir W 450 Offer Find more produts for ventilation systems Rectangular ducts and fittings Valves grilles and diffusers 4n o 40uJ e uone nueAMMM Insulati
16. epending time press and S77 8 Press and AN simultaneously to adjust screen brightness and contrast ALNOR ventilation systems is a legally protected trademark and technical patent All rights reserved User s manual of recovery ventilators HRU MinistAir W 450 Control Panel Screen 1 Screen 2 Screen 3 Screen 4 Screen Screen Brightness and Contrast Setting Main Screen Timer Company Introduction ct oO ct D A O C Single fan mode only exhaust fan is running Single fan mode only supply fan is running A VOD Auto mode Fan is off Fan is on De 7 5 nt tenir rin enr oy ast ln ALNOR ventilation systems is a legally protected trademark and technical patent All rights reserved im O i ir 4 2 S E C gt gt User s manual of recovery ventilators HRU MinistAir W 450 Control 1 Screen Symbols Main Screen Outdoor air temperature Indoor air temperature Set temperature There is no heater Heater is off Pre heater is off A Pre heater is on There is no pre heater Heater is on at first stage Heater is on at first and
17. er Func Unit be programmed to operate on certain periods of the week Standard ion Standard Log Function All possible working options of the unit can be recorded Fire Function It is used for changing working status of the unit in case of fire Standard Filter change Fan Fault Standard Warnings Pre Heater Fault Heater Fault Display error code Child Proof Protec tion Function It is used to lock the keypad Standard ALNOR ventilation systems is a legally protected trademark and technical patent All rights reserved User s manual of recovery ventilators HRU MinistAir W 450 Control Fan Speed Control Function Control board has 4 different fan speeds Low Medium High Boost These fan speeds are set to specific values by default The maximum fan speed is Boost If itis desired to change fan speeds Low and High set values can be changed by potentiometers on control board Control board automatically set the value of medium by averaging High and Low values 8 888g B5 mi gt 00 FAN LOH FAN_HIGH Potentiometer Low Potentiometer High o BE Note If Low is set to the highest and High is set to the lowest value unit continues to run according to default settings Factory setting values can be change Filter function This function controls filter change time There are 2 alternatives to control filters
18. er coinonnesc tmay result in fire e When passing metal ducts through wooden buildings clad with metal laths wire laths or metal these ducts must be installed in such a way that they will not make electrical contact with metal laths wire laths or N 4 metal sheets Power leakage can cause ignition M The outside ducts must be tilted ata gradient 1 30 or more downwards toward the outdoor area from the ATTENTION main unit and properly insulated The entry of rain water may cause power leaks fire or damage to household property Gloves should be worn while installation Failure to heed this warning may result in injury A dedicated circuit breaker must be installed at the origin of mains power supply This circuit breaker must be provided with a means for locking lock and key The body of the unit room control panel and cables keep away unit 3 m distance This product must not be disassembled under any circumstance Only authorized repair technicans are qualified to conduct disassembly and repairs Failure to heed this warning may result in fire electrical shock or injury Connect the product properly to the ground Malfunctioning or power leaks acn cause electrical shock An isolator switch having minimum contact gap of 3 mm in all poles must be provided as means of disconnecting the power supply NOTE The installations which is not available for installation and operation manual is out of guarante
19. f the unit and when set time expires control board Standard Filter Function gives an alert for filter change Alternative 2 Filter change time can be controlled with pressure switch mechanically Optional With this method when filter needs to be changed control board gives an alert By Pass Function Filtered fresh air is supplied indoor without passing in heat exchanger Standard Electrical Heater Control Function Electrical heater is controlled up to 2 steps automatically according to the set tempera ture and indoor temperature Optional depends on Return Air or Room or Supply Air Optional Sensor VOD Fans are running continuously in accordance with CO or air quality sensors Sensor Humidity Fans are running continuously in accordance with indoor air humidity Optional Frost Protection Where outdoor air is too low this function is a protection method to prevent heat T andar Function exchanger from freezing Where outdoor air is too low fresh air is heated by a pre heater before it enters into Pre Heater Function 5 the unit This function is a protection method to prevent heat exchanger from freezing IN Unit can be on off via control board External Control OUT 1 Information of unit status Standard BMS Function l OUT 2 Information of fault Standard Modbus Function It controls all functions of unit via PC or central automation board Weekly Tim
20. failure RA 5 ERR 5 Outdoor iar temperature sensor failure OA 6 ERR 6 Return air temperature sensor failure RA o 7 ERR 7 Panel sensor failure P B 8 ERR 8 Supply air temperature sensor failure SA T 9 ERR 9 Sensor 1 failure gt 10 ERR 10 Sensor 2 failure L 2 11 ERR 11 Gas pressure fault 2 12 ERR 12 Alarm of dirty filter 13 ERR 13 Gas presssure fault gas circuit get blocked gt 14 ERR 14 Reset option is active This document includes the protocol of Modbus communication that is used with ENECON and ENECON DX control board 2 Properties Control board uses Modbus RTU protocol via RS485 connection The unit works as Slave and the information can be taken from an external Master module Connection information of the unit is listed as below Connection Type Modbus RTU Slave Standard Address 1 Link speed 9600 Party None Data Bits 8 Stop Bit 1 ALNOR ventilation systems is a legally protected trademark and technical patent All rights reserved User s manual of recovery ventilators HRU MinistAir W 450 Control 3 Physical Connection Communication network is showed below Control board can be connected RS485 on which is connected more than unit Address conflicts on this line should be removed and necessary software settings should be done for data communication 1200 1200 DE DI 9 SS DI D RO RO RE RE
21. nel must not interfere in unit and or must not use unoriginal srpea parts Otherwise responsibility of failure that may occur belongs to practitioner Do not install this product in a refrigerated warehouse heated swimming pool or other altoicon where temperature and humidity are significantly different Failure to heed this warning may result in electrical shock or malfunctioning 4 Do not install this product where it will be directly exposed to rain Failure to heed this warning may result in electrical shock or malfunctioning PROHIBITED Do not install this product in a location where acid alkali or organic solvent vapors paints or other toxic gases gases containing corrosive components or high concentrations of oily smoke are present Failure to heed this warning may result not only malfunctioning butalso fire power leakage and electrical shock Do not use this product outside the range of its rated voltage and control capacity Install this product in an environment where the temperatunrgee sr afrom 0 C to 40 C and the relative humidity is less than 80 If condensation is expected to form heat up the fresh outside air by a duct heater etc Select an adequately sturdy position for installing the product and install it properly and securely Use the designated electrical wires for the terminal board connections and connect the wires securely so that they will not be disconnected Failure to ensure prop
22. nit 4 Install the spigots in to the exit hole underside and secure with retaining screws 5 Install the blanking caps into the exit hole uppersidee caunrde swith the retaining screws N Mao EPS 4 __ C Blanking Cap 4 ALNOR ventilation systems is a legally protected trademark and technical patent All rights reserved im O i Me 9 E gt gt User s manual of recovery ventilators HRU MinistAir W 450 Installation Installation of Spigots at Supply Side 1 To remove the spigots unscrew 4 pcs 4 2x13 screws 2 Remove the blanking caps by unscrewing the screws 4 pcs M5x10 3 Remove front cover plate 4 Remove heat exchanger 5 Remove electrical connection of fans 6 Remove EPS fan module reverse it and re install Rotate it 180 in the direction of the arrow 7 Attach electrical connection of fans OA as RA RA as OA 8 Re install heat exchanger 9 Re install front cover plate 10 Install the spigots in to the exit hole underside and sweciuthre the retaining screws 11 Install the blanking caps into the exit hole upperside and secure with the retaining screws A Installation of Spigots at Supply Side 1 Screw 2 wall brackets to the rear cover with app
23. ns to run at the speed value that is set before boost function is activated 2 There is one dry contact relay input and one 230V input on control board If one of these inputs is activated unit begins to run at Boost speed When activated input is passive again unit begins to run at the speed value that is set before boost function is activated Note1 Boost speed and boost time are changeable Note2 During operating at boost function on Basic Panel High H Medium M and Low L speed leds are on at the same time BMS Function BMS Function makes the unit to be monitored on a central automation syst 1 Dry contact outputs There are 2 dry contact outputs Working status and failure status of the unit can be monitored 2 Dry contact input Operation of the unit on off can be done by dry contact input When this function is active you can t turn on off the unit on control panel To activate this function turn deep switch 4 on T 5g BABEL ee ALNOR ventilation systems is a legally protected trademark and technical patent All rights reserved User s manual of recovery ventilators HRU MinistAir W 450 Control Modbus Function Modbus function helps to monitor the unit and change all possible functions on a central automation system Weekly Timer Function Weekly timer function is available It can be programmed to operate automatically on certain periods of the week Three options are
24. on for ventilation ducts AY NE 4 For more information check www ventilation alnor co uk ALNOR ventilation systems is a legally protected trademark and technical patent All rights reserved
25. ropriate fittings 4 pcs M5x10 2 Fit 2 brackets to the wall dimensions between mounting holes are indicated on the picture below 3 Be sure that condensation drain is connected properly 600 ALNOR ventilation systems is a legally protected trademark and technical patent All rights reserved User s manual of recovery ventilators HRU MinistAir W 450 Installation Floor Mounting Wall brackets also can be used for floor mounting to lift the unit up 1 Remove unit s base feet 4 pcs 2 Screw 2 wall brackets to the underside of the unit 3 Install base feet on to the wall brackets Note Minimum distance between underside the unit and floor should be 80mm to assemble discharge pipe easily a IB LLL Lc ET fes E MOM B Pur ua 80 Must ee MIN mm 2 E 1 lt 5 MS S N p E Rat Mad esu ic ree x X c 7 cc cc i iT i C i 4 3 ka S Select of electrical cable cross section Electrical Cable Selection of Heat Recovery Unit 230V 1pha
26. se Cable Cross Section mm Unit Model Unit Power W Fuse A 1 5 29 4 6 10 16 HRU MinistAir W 450 170 2 138 230 Note The values given in the table is the length of the cable in meters m Cable property 3 x phase neutral earth Electrical Cable Selection of Electrical Heater 230V 1phase Cable Cross Section mm Unit Model Unit Power W Fuse A 1 5 2 5 4 6 10 16 1 6 61 102 163 HRU MinistAir W 450 160 1 5 10 68 109 163 2 16 51 82 122 203 Note The values given in the table is the length of the cable in meters m Cable property 3 x phase neutral earth ALNOR ventilation systems is a legally protected trademark and technical patent All rights reserved ct oO ct 2j D A O C im O i ir 4 2 S gt gt User s manual of recovery ventilators HRU MinistAir W 450 Control Operation Description Availability Fan Speed Control 3 steps fan speed control of supply and exhaust fan is available 3 steps each fan High Med Low It is used for increasing fan speed Alternative 1 Via boost button on the control board Standard Boost Function Alternative 2 Via dry contact or light power input 230V Standard like kitchen light bathroom light etc on PCB board There are 2 alternatives to control filters Alternative 1 It records run time o
27. tion Code Register ID Data Length Failure Control 0x01 0x06 0x00 0x02 0x0C 0x00 0x2D 0x0A Response of Control Board Address Information Function Code Register ID Data Length Failure Control 0x01 0x03 0x00 0x02 0x0C 0x00 Ox2D 0x0A ALNOR ventilation systems is a legally protected trademark and technical patent All rights reserved ct oO ct 2j D A O C User s manual of recovery ventilators HRU MinistAir W 450 Control Modbus Register List ID Name Multiplier Access Unit Limit Valid Explanation 0 Versions of program 1 r Versions of installed program 1 Unit Off 1 rw 0 1 O Stop 1 Start 6 Speed of supply fan 1 r rpm 7 Speed of supply fan 1 r rom c 11 Outdoor air temperature 0 1 r 12 Return air temperature 0 1 r oC TerRA p 13 Supply air temperature 0 1 r C TerSA 14 Panel temperature 0 1 rw C 40 80 TerP E numum D sd 15 Sensor input 1 0 1 r HID T 16 Sensor input 2 1 1 r SENSOR gt 25 Alarm code 1 r Failure Code gt 36 Rotor status 1 r 0 1 0 Off 1 On 37 By pass status 1 rr 0 1 0 Off 1 On 38 Pre heater status 1 r 0 1 0 Off 1 On gt 39 After heater 1st stage status 1 r 0 1 0 Off 1 On 40 After heater 2nd stage status 1 r 0 1 0 Off 1 On 50 Mode selection 1 rw 0 3 0 Standard 1 Only exhaust fan 2 Only supply fan 3 VOD 51 Modbus address 1 rw 1 254
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