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Airwell Airflow 2020, Инструкция по установке и эксплуатации

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36  

8 - CONTROL

 

ALARMS 

The code 

C

 indicates the presence of an anomalous situation that does not prejudice the operation of the unit. 

The 

E

 code indicates alarms that compromise the unit operating. 

The passage from a code 

C

 to a code 

E

 occurs if the alarm switches from an automatic to a manual reset, this because the number of events per hour 

that occurred exceeded the critical threshold.  
 

A

   the alarm automatically resets when the cause that set it off ends 

B

 

the alarm manually resets when the cause that set it off ends and a keypad reset is executed

 

Alarm 

Description 

Possible cause 

 

C38 

Modulating resi stance On with recovery circuit 

Off  

Air preheating, no anomaly

 

A 

C39 

Control of the supply title not satisfied  

The unit operates regularly. 

High supply air humidity: open windows, lots of people, etc. 

A 

E40 

Inconsistency of the temperature differential 

The temperature difference at the air inlet and outlet is not consistent with the 

mode.  

The unit can not heat / cool of 3 ° C the air introduced in the room. 

Check : 

- 

Button action (DSG) to protect the compressor 

- 

Unit partially discharged of gas 

- 

Compressor not operating 

- 

4-way valve not operating 

M 

C65 

Communication failure 

as E00 

A 

Содержание Airflow 2020

Страница 1: ...Installation and operating manual Décember 2017 ...

Страница 2: ...es to things and injuries to people Before going ahead with operations read the GENERAL WARNINGS Pay particular attention to WARNING identifies particularly important operations or information PROHIBITIONS identifies operations that must not be carried out that compromises the operating of the unit or may cause damages to persons or things ...

Страница 3: ... B mm 760 993 Anti vibration joint when used rigid pipes Size 200 300 650 A Air expulsion Ø 200 mm Ø 250 mm B Ambient air return Ø 200 mm Ø 250 mm C Ambient air distribution Ø 200 mm Ø 250 mm D Fresh air intake Ø 200 mm Ø 250 mm Filter size 200 650 RCW15 ambient thermostat C Connect the ambient thermostat to the terminal block of the customer connections Terminal block of the customer Connections ...

Страница 4: ...dirt Electric connections AE fresh air intake ES air expulsion M ambient air distribution R ambient air return If there are electric heaters increase access space Trapdoor opening Sifón extraction air filter from below Insulated ducts Size A B 200 300 310 276 650 370 336 Positions thermostat The thermostat must be placed at a height of 150 cm preferably on an internal wall Positions to avoid next ...

Страница 5: ...l It is possible to remove the electrical panel and make it remote to facilitate the installation 8 External exchanger It recovers energy heat cool from the exhaust air 9 Air filter It purifies the fresh air before introducing it into the rooms 10 Upper panel 11 Electronic filter option 12 Electrical panel 1 2 ACCESSORIES Electronic filter kit Kit of exhaust air filter Serial communication module ...

Страница 6: ...AIRFLOWxxx N11 size 200 650 serial number xxxxxxxxxxxx year of manufacture wiring diagram number electrical data manufacturer logo and address Serial number It identifies uniquely each unit It identifies specific spare parts for the unit Intervention requests Note data from the serial number label and write them in the table sideways so you will find them easily when needed In case of intervention...

Страница 7: ...materials delivered correspond with that indicated on the transport document comparing the data with the identification label A positioned on the packaging In case of damage or anomaly write down on the transport document the damage you found and quote this sentence Conditional acceptance clear evidence of deficiencies damages during transport Contest by fax and registered mail with advice of rece...

Страница 8: ...nit is supplied in a single pack and is equipped with 1 installation manual 2 installation kit Ambient thermostat Installation kit A spring antivibrations n 4 B M8 nuts n 4 C plain washers n 4 D toothed washers n 4 E M8 bolts n 4 F ambient thermostat ...

Страница 9: ...und of the unit and of the functional clearances to allow the access with ladders or other means Floor positioning install the unit raised from the ground Limit vibration transmission use antivibration devices on unit bearing supporting points install flexible joints on the hydraulic aeraulic con nections The functional clearances have to guarantee the unit good operating allow the maintenance ope...

Страница 10: ... for routine maintenance access to electrical panel and optional electronic filter E Access to conduct extraordinary maintenance to replace the fan compressor etc F Access to fan removal G Access to clean the filter exhaust air filter option Heat el If there are heating elements increase the W1 value A B C G D A F G F Heat el L1A ceiling installation filter access from below non remote electrical ...

Страница 11: ...e support base Match the upper hole of the antivibration device with the hole of the support bracket The antibration device must be positioned with the interior threaded upward Insert the flat and notched washer in the bolt Screw the bolt in the top of the antivibration device letting it pass through the hole on the bracket Do not over tighten the nuts the springs because if too much crushed they ...

Страница 12: ...s M6 and remove the panel from the unit side Fix the panel using screws and screw anchors suitable for the characteristics of the used support If later it is supposed the installation of the electric elements optional consider that the cable to connect to the electrical panel has a max length of 1 5 metres In this case the filter removal for cleaning can be performed either from the side or from b...

Страница 13: ...a room with medium temperature and humidity conditions representative of the other rooms at a height of 150 cm preferably on an internal wall Positions to avoid next to heat sources points exposed to direct sunlight in a position with air rejected from outlets or diffusers behind curtains or pieces of furniture near windows and doors to the outside on walls crossed by fireplaces or heating ducts o...

Страница 14: ...white water or drainage networks to avoid the aspiration of odours in the case of evaporation of water contained in the siphon The connection must not be hermetic so as to allow the venting and avoid possible liquid returns Check at the end of the work the regular condensate runoff pouring some water in the tray Prevent the risk of freeze if the unit drain or plumbing connections of the humidifier...

Страница 15: ...the system silence RETURN AIR in the kitchens bathrooms rooms with vapours unpleasant odours SUPPLY AIR in the living room bedrooms studies etc If the duct outlets for the outdoor air inlet and exhaust are outside of coverage must end with a 90 bend downward to prevent entry of water from the air inlet To perform the ductings Connect the ductings fixing them to the connections with the special hoo...

Страница 16: ...to avoid soiling the coil size 200 650 5 AERAULIC CONNECTIONS The ducts should not be tilted towards unit to avoid the condensate and water return A Thermically insulate the supply ducts to avoid heat losses and condensate B Avoid tight bends pressure drops Avoid recirculation of exhaust return air Insulated ducts 2 Exhaust return grille GR150X GR200X GR250X Size A B 200 300 310 276 650 370 336 1 ...

Страница 17: ...e panel screws 2 Identify the control 3 Make a hole in the cable sleeve 4 Remove the jumper P on the terminal block if the control is used 5 The control connect XC REMOTE CONTROLS CUMLATIVE BLOCK CONDENSATE DISCHARGE RCW15 BLACK GRAY BROWN BLUE Refer to the unit electrical diagram ...

Страница 18: ...surveying station the unit can put the ambient in negative pressure in pressure maintains a neutral ambient Set parameter 91 0neutral ambient 1 depressurized ambient 2 ambient in pressure Remove the jumper 11cn1 and 3cn1 on the XC terminal block Connect the alarm signalling to terminals 11cn1 and 3cn1 Cumlative block Unit blocked signal RCW15 AMBIENT THERMOSTAT Connect the RCW15 ambient thermostat...

Страница 19: ...etric panel AP1 Main control module KAC Compressor control relay AP exp Expansion module KAfiltr Relay DGS Manual reset button Compressor protection T1 Aux circuit transformer FU1 Compressor fuse RS485 Serial communication module FUX 230v auxiliary circuit protection fuse XCR Connection of the service keypad FU 12v Protection fuse 12v AP1 5x20 T 160mA XRS Connection of the preheating resistances F...

Страница 20: ...thermostat 1 control only from remote control Silent It reduces the fan speed Set parameter 224 0 disabled 1 from digital input 2 digital supervisor input Ventilation fan Only the fans are actives and no check on the temperature and humidity is performed compressor humidifier and resistances are disabled Fire signalling alarm AI REMOTE CONTROLS HUMIDIFIER OPTION Refer to the unit electrical diagra...

Страница 21: ...e winter humidification function block RCW19 AMBIENT THERMOSTAT Connect the RCW19 ambient thermostat as indicated in the figure Connections 3x0 34mm2 shielded max length 80 m X1 RCW15 REMOTE CONTROL WITH TOUCH SCREEN DI SPLAY Remote user keypad to control the unit main functions To use the keyboard you need 12Vdc power supply unit supplied separately serial communication module supplied separately...

Страница 22: ...the presence of oil stains can mean leakage caused for example by transport handling or other Use the pressure taps only if you need to load or unload the refrigerant circuit Hydraulic circuit If the humidifier is present Before realizing the unit connection make sure that the hydraulic system has been cleaned up and the clearing water has been drained Check that the water circuit has been charged...

Страница 23: ...option 8 Air flow correct return and supply no bypass 9 Completed aeraulic system 10 Insulation of supply conduits to room and air exhaust conduits 11 Presence of anti vibration joints between the conduit and unit e g canvas conduits 12 Condensate drain with trap sloping 13 Presence of electric heater option installed correctly 14 Presence of humidifier option sizes 200 650 only installed correctl...

Страница 24: ...6 Set the unit to winter mode ventilation only 7 Start the unit when it reaches full power with the compressor on verify that the evaporation pressure status 51 exceeds 7 bar values 200 600 and 1 8 bar values 70 120 and that the temperature difference between the external air status 4 and the supply air status 50 is at least 10 C in summer mode and at least 15 C in winter mode 8 Fans operation che...

Страница 25: ... the compressor s fuse holder HUMIDIFIER OPERATION CHECK option sizes 200 650 only 1 set the unit to heating mode 2 through the ambient thermostat parameter P05 or service keypad parameter 30 set the humidity set point to 90 3 check that the cylinder fills with water and starts boiling 4 a full cylinder combined with a very low current absorption value with respect to the nominal value indicated o...

Страница 26: ...mple of conduits square tube L x H airflow m3 h speed medium m s 140 140 200 2 83 180 180 200 1 71 220 220 200 1 15 140 140 300 4 25 170 170 300 2 88 220 220 300 1 72 180 180 650 5 57 220 220 650 3 73 260 260 650 2 67 rectangular tube LxH airflow m3 h speed medium m s 250 80 200 2 78 300 100 200 1 85 400 120 200 1 16 250 80 300 4 17 300 100 300 2 78 400 120 300 1 74 300 100 650 6 02 450 120 650 3 ...

Страница 27: ...button C the unit is started up in the ventilation only mode check that the air flows correspond to the nominal ones of the unit see the Technical Information section If necessary change the outlet and exhaust fan parameters as described above Hold the Ventilation button C to exit from the Ventilation only mode 7 3 CHECK OF THE AIR FLOW AIRFLOW 2020 C ventilation I On Off On your keyboard P01 SetU...

Страница 28: ...TO Automatic operating Visible if active 8 CONTROL KEYS COMBINATION KEYS FUNCTIONS Ambient setpoint control up down Ventilation Alarm Eco used in combination with other keys Cooling Heating Clean ON OFF DISPLAY It displays the temperature detected in ambient Long press It scrolls down the alarm list of one code at a time Single press Alarm reset in progress Long press Button lock Button unlock Lon...

Страница 29: ...itch of the installation on On The display is switched on in Off Hold the On Off button I for 5 seconds until the unit start up The ambient setpoint is displayed Select the desired operating mode between heating and cooling 8 1 FIRST START UP Hold the On Off button I for 5 seconds until the unit shutdown Off is displayed At the next starting the unit is started up in the last set mode 8 2 SHUTDOWN...

Страница 30: ...scheduling mode By the ambient thermostat is possible to set the unit changing some parameters 8 3 PARAMETER MODIFICATION To adapt the unit operating to the installation needs it is possible to set the operating modifying some parameters by the ambient thermostat Par Description P02 manual or auto setpoint enabling onsetman P03 manual or automatic mode change enabling onmodeman P04 humidity setpoi...

Страница 31: ...ns A and B previous page The two set are connected to avoid their overlapping If the cooling set is decreased also the heating set is automatically decreased If the heating set is increased also the cooling set is automatically decreased Automatic Set Point The setpoint change according to the outside temperature depending on a curve set by parameters The heating setpoint is below the curve the co...

Страница 32: ...ir flow and disabling the compressor C The ambient inlet air temperature is equal to the outdoor temperature III REDUCED FLOW FOR DEHUMIDIFICATION In order to effect more effectively the fresh air dehumidification Airflow 2020 reduces the flow modulating the fan speed D so it is possible to cool the rooms by using the radiant panels and to effectively dehumidify OUTDOOR AIR temp SUPPLY temp AIR fl...

Страница 33: ...button D To scroll down the alarm list press repeatedly the Alarm button D The display will return to normal visualization after 5 seconds from the last pressure on Alarms 8 7 ALARMS Whenever the unit is in alarm on the thermostat display is visualized the code of the alarm in progress The code will alternate at intervals of about 3 seconds with the display of the ambient temperature In case of mu...

Страница 34: ... air filter Dirty heaters no filter No airflow control the fan Heater reset M E13 Compressor low pressure SUMMER insufficient supply air flow rate in ambient filters air dirty obstacles air distribution system supply fan fault Cooling circuit anomaly Contact a qualified technician WINTER insufficient exhaust air flow rate filters air dirty return installation obstacles from ambient exhaust fan fau...

Страница 35: ...emperature and then turn on the unit A E28 Ventilation block due to ambient high temperature The air inside the house is not compatible with the unit s operating limits This might mean that there is no main air conditioning system or that it is not running This is an air renewal unit with heat recovery and not an air conditioning device wait for the room to reach the right temperature and then tur...

Страница 36: ...n the cause that set it off ends and a keypad reset is executed Alarm Description Possible cause C38 Modulating resi stance On with recovery circuit Off Air preheating no anomaly A C39 Control of the supply title not satisfied The unit operates regularly High supply air humidity open windows lots of people etc A E40 Inconsistency of the temperature differential The temperature difference at the ai...

Страница 37: ...e supply title Automatic mode Off Non blocking signal press to display the problem On Alarm on progress Scheduling Operation correct of the unit Unit in ventilation only mode Access settings From 1 to 40 From 61 to 80 From 41 to 60 From 81 to 100 Compressor operating Display 8 8 RCW15 REMOTE CONTROL WITH TOUCH SCREEN DISPLAY Temperature probe Reset Signal led Humidity probe Restart of the device D...

Страница 38: ...control off on Programmed the unit follows the programmed schedule Ventilation only the unit acts like a fan it does not heat cool the air introduced into the environment Press spento off Press Ventilation only OFF Programmed ON Ventilation only OFF Programmed ON ON Programmed OFF Ventilation only Statuts 1 2 3 4 Press Press heating Cooling Automatic Season heating heating Automatic Season heating...

Страница 39: ... allows the setting of the current date and time 5 Press 6 Confirm Cooling Setpoint Setpoint Setpoint Setpoint Setpoint Heating 17 0 C Cooling Heating 17 0 C Cooling Heating 21 0 C Cooling Heating 21 0 C Cooling Heating 21 0 C It allows the setting of the desired room temperature the current mode SETPOINT AMBIENT DATE AND HOUR 1 2 Press Alarms 11 30 05 03 16 09 Scroll down to view warnings Visuali...

Страница 40: ...ct 2 Repeat starting from point 7 for the other programs 8 Press to increase or decrease the value 17 0 Tuesday 17 0 20 0 17 0 07 00 6 2 1 23 59 10 00 23 59 3 Press 20 0 setpoint 17 0 Tuesday 17 20 3 6 2 1 23 59 10 00 23 59 07 00 20 10 3 4 Heating Schedulatore Cooling 5 Confirm Cooling Schedule Heating Press 17 0 Monday 17 0 20 0 3 6 2 1 23 59 21 00 23 59 17 0 12 13 14 06 00 07 00 07 00 Example pr...

Страница 41: ... 2 Press settings Settings Press 3 Press Unità Settings Registro Leggi Scrivi 4 Enter password installer and confirm Indicate valors UNIT STATUS only consultation C C C ACCESS PARAMETERS installer use unit Unit address entry filed on Modbus network through the numeric keypad screen Register Entry field of the unit Modbus register to be questioned on the Modbus network through the numeric keypad sc...

Страница 42: ...URHeat HR SetPoint in winter operating 2 97 SetURCool HR SetPoint in summer operating 2 224 SilentMode Enabling of the silence mode Accessible parameters without password Press the set button to enter in the scheduling mode Select the parameter using the M and O arrows Modify the value by the and buttons To store go to another parameter Set to esc L Pressing the set button L before passing to anot...

Страница 43: ...ized assistance centre The full parameters list is available in the following pages Automatic setpoint The setpoint change depending on the outside temperature according to a curve set by parameters OPERATING STATA Press Status button E Select the status to display using the M and O arrows Press Status to esc E The full parameter list is available in the in the following pages 1 2 3 4 0 Parametres...

Страница 44: ... 027 Electrostatic filter control signal 028 Antifreeze Probe C 030 External damper status 0 1 031 Unit clock Hour 032 C1 operating hours Hour 033 Not used 034 C1 starts Int 035 Not used Int 036 Keypad software 037 keypad homologation year 2008 038 keypad homologation month 4 039 keypad homologation day 3 040 Base software 041 base homologation year 2008 042 base homologation month 4 043 base homo...

Страница 45: ... 2 1 30 SetURHeat UR SetPoint in heating 55 0 31 BandURHeat UR humidity control band in winter ambient 10 1 32 SetUROut Outlet limit humidity in heating 90 1 33 BandUROut Outlet limit humidity control band 10 1 34 MaxOut Humidifier control signal max value 100 1 35 LimTextCool Compressor external temperature limit in cooling C 40 1 36 BandCoolRec Proportional band VCoolExt C 5 1 37 DeltaCoolRec De...

Страница 46: ...1 128 MinApValvH2O Min opening of the handling water coil valve phisical threshold to have the flow 2 1 129 RiduzDeltaBattH2O Reduction coefficient to the coil delta in the valve modulation of initial opening 70 1 131 OffSetTin Inlet probe offset C 0 1 132 OffSetTout Outlet probe offset C 0 1 133 OffSetText External temperature probe offset C 0 1 135 OffSetTfreeze Antifreeze probe offset C 0 1 137...

Страница 47: ...in Cool with SetUpFanRip 1 55 1 240 NomHeatMan_1 Nominal value of the supply fan control signal in Heat with SetUpFanMan 1 48 1 241 NomCoolMan_1 Nominal value of the supply fan control signal in Cool with SetUpFanMan 1 48 1 242 MaxRip_2 Max signal of the return fan control signal with SetUpFanRip 2 60 1 243 MinRip_2 Min signal of the return fan control signal with SetUpFanRip 2 45 1 244 MaxMan_2 M...

Страница 48: ...condition of the structure parts Paint so as to eliminate or reduce oxidation where needed Check that the paneling is correctly fastened Poor fastening may give rise to malfunctions and abnormal noise and vibration 9 6 COIL The accidental contact with the fins of the exchanger may cause small cuts use protective gloves The finned surfaces of the coils and especially the drain pans are the places w...

Страница 49: ...t is advisable to start with frequent checks and to adjust the frequency based on how much dirt is discovered Old filters washing residuals and residual parts must be disposed of according to the law in force 9 MAINTENANCE A B C Access to the filters The access to the filters is possible in two positions AIRFLOW 2020 A Lateral access floor units B Lower access ceiling units To access to the filter...

Страница 50: ...gnalled by the green led F on the higher part of the filter on Correct operating flashing Stopped filter off Check the electrical connections Switch off the unit Access to the filters The access to the filters is possible in two positions AIRFLOW 2020 A Lateral access floor units B Lower access ceiling units To access to the filters Remove the closing panels Carefully extract the filter To reposit...

Страница 51: ...ectrostatic cells to dry in a hot room or directly in the sun for a few hours Keep the cells lifted from the ground using two metal or wooden laths 8 Check the ionisation wires before remounting the filter The cleaner can be used to clean about 20 filters Can be recovered and placed in plastic containers closed the air oxidizes the cleaner and reduces its effectiveness IONISATION WIRES The impurit...

Страница 52: ...units A B C To clean the filter Unscrew the 2 screws of the locking filter Clean the filter in tepid water with common deter gent Rinse thoroughly in running water to avoid spillage into the served area Dry the filter 9 12 FANS The fans can be removed from above and from below Remove the roof or the lower panel Unscrew the 4 front screws Disconnect the quick connector Extract the fan ...

Страница 53: ...ction air flow rate measurement channelling anti vibration devices and fastenings check power supply cable isolation and fastening check earth cable check electric control board cleaning power remote controls state clamps closure cables isolation integrity phases unbalancing and power supply voltage vacuum and loaded absorption of the individual electric loads compressors carter heaters test leaks...

Страница 54: ... d floor installation lateral filter access non remote electrical control board at a distance of at least 700 mm 1 REMOVABLE PANEL FOR ACCESS TO THE COMPONENTS OF HANDLING SECTION 2 REMOVABLE PANEL FOR ACCESS TO THE COMPONENTS OF THE RECOVERY SECTION 3 REMOVABLE PANEL FOR LOWER ACCESS TO THE AIR FILTER 4 ELECTRICAL PANEL 5 FIXING POINTS 6 POWER INPUT 7 CONDENSATE DISCHARGE DUCT 8 REMOVABLE PANEL F...

Страница 55: ...400 mm d floor installation lateral filter access non remote electrical control board at a distance of at least 700 mm 1 REMOVABLE PANEL FOR ACCESS TO THE COMPONENTS OF HANDLING SECTION 2 REMOVABLE PANEL FOR ACCESS TO THE COMPONENTS OF THE RECOVERY SECTION 3 REMOVABLE PANEL FOR LOWER ACCESS TO THE AIR FILTER 4 ELECTRICAL PANEL 5 FIXING POINTS 6 POWER INPUT 7 CONDENSATE DISCHARGE DUCT 8 REMOVABLE P...

Страница 56: ...following conditions Outdoor air temperature 30 C BS 22 0 C BU Internal air temperature 27 C BS 19 C BU nominal air flow 2 AE 35 C data referred to the following conditions Outdoor air temperature 35 C BS 24 0 C BU Internal air temperature 27 C BS 19 C BU nominal air flow 3 AE 7 C data referred to the following conditions Outdoor air temperature 7 C BS 6 C BU Internal air temperature 20 C BS 15 C ...

Страница 57: ... or obstacles in generally the sound levels may undergo substantial variations The limits are meant as an indication Please note that they have been calculated by considering general and not specific sises clean batteries and filters non critical positioning of the unit and correct operating and maintenance of the unit 1 Operating field with external RH 40 2 Zone of possible operation in Free Cool...

Страница 58: ...C lateral floor units Unscrew the front screws Remove the existing collar Install the filter holder Lateral ceiling installation not allowed Minimum space for filter extraction Min 350 mm Installation not permitted 11 5 KIT OF EXHAUST AIR FILTER A B C Insert the filter Close the filter Screw the 2 screws of the locking filter 1 2 3 ...

Страница 59: ... Absolutely to avoid metal dusts also fine fumes produced by combustion of organic and not materials wood coal gasoline etc Filter installation The filter installation is possible in 2 positions AIRFLOW 2020 A lateral floor units B from the bottom ceiling units A B To install the filter Remove the closing panels Extract the pleated filter Connect the quick connector G Insert the electronic filter ...

Страница 60: ...olarised inside network 485 S2 OFF polarised NO Termination The last component of the network must be terminated S1 ON termination YES Position the RS 485 A module in the Airflow 2020 electrical panel For a correct connection use the GND blue as reference ELECTRIC PANEL RS485 MODULE J 3 S3 S4 ON S5 ON S1 S2 J1 ON RS485 1 LR LV The unit can be connected to remote keypad RCW15 or an external supervi...

Страница 61: ...uses bitmaps bitmap 2031 rd 2 operating statuses bitmaps bitmap 2032 rd Operating return temperature C 10 2033 rd Supply temperature mean value C 10 2034 rd Fresh air temperature C 10 2035 rd Supply humidity 2036 rd Operating return humidity 2044 rd wr Compressor1 hours of operation no 2046 rd wr Compressor1 start ups no 2050 rd Statuses1 bitmaps compressor and assoc circ mix bitmap 2052 rd Alarms...

Страница 62: ...0x0200 bit10 High supply temperature alarm 1 0x0400 bit11 High supply temperature alarm 2 0x0800 bit12 Low supply temperature alarm 1 0x1000 bit13 Low supply temperature alarm 2 0x2000 bit14 Water temperature out of limits alarm 0x4000 bit15 Temperature differential inconsistency between supply air and external air with compressor on for more than 10 min 0x8000 1 The configuration alarm is sent wh...

Страница 63: ... statuses is ignored REQUIRED CONTROL from Modbus bit6 bit5 bit4 onoff eco vent loc only Current operating status that allows to acquire the required control bit2 bit6 bit5 bit4 REQU in OFF mode 0 0 0 1 x y z x y z 0 1 REQU in ON mode 1 0 0 1 0 0 0 current status off 1 0 1 0 current status eco REQU in ECO mode 0 1 0 1 1 0 0 current status normal on REQU in VENT ONLY mode on 0 1 1 1 0 1 1 0 1 0 cur...

Страница 64: ...anagement etc Provided that the previous section has been checked each Modbus control is acquired only if in the Flag Register written by Modbus the flag that enables that specific control has been set to 1 If the conditions above are met and the TimeOffLine parameter is 0 the Modbus serial device experiences a communication timeout The control is no longer acquired by the Modbus until the connect...

Страница 65: ...s etc please refer to the TECHNICAL INFORMATION section Use single protection devices gloves glasses etc During positioning consider these elements technical spaces requested by the unit and the system choice of the unit installation place electrical connections water connections aeraulic ducting Neglecting these aspects may decrease the unit performances and life 12 4 POSITIONING Verify unit weig...

Страница 66: ...ber label Make sure that the unit supply line is selected at start Shelter the cables using adequate measure fairleads Before starting work verify that the sectioning device at the start of the unit power line is open blocked and equipped with sign warning First create the earthing connection Prior to powering the unit ensure that all the protections that were removed during the electrical connect...

Страница 67: ...f Periodically check that all of the panels are correctly closed and fixed If there is a fire the temperature of the refrigerant could reach values that increase the pressure to beyond the safety valve with the consequent possible projection of the refrigerant itself or explosion of the circuit parts that remain isolated by the closure of the tap Do not remain in the vicinity of the safety valve a...

Страница 68: ...pliance with CE Directive on waste electrical and electronic equipment WEEE The potential effects on the environment and on human health due to the presence of hazardous substances are shown in the use and maintenance manual in the section on residual risks Information in addition to that indicated below if required can be obtained from the manufacturer distributor importer who are responsible for...

Страница 69: ...User manual ...

Страница 70: ... resistances humidifier Cooling In cooling are managed the compressor and the free cooling it uses the fresh air to cool the room Mode change The change between cooling and heating can be AUTOMATIC according to the outside temperature MANUAL by the thermostat button For the automatic or manual change set the P03 ONModeMan parameter on the ambient thermostat Set Point There are two setpoint cooling...

Страница 71: ...ntering inside option B C Unit D Water supply E Condensate discharge F Other control G RCW15 Remote control option H Ambient thermostat I Power supply 1 Electronic filter option 2 Kit of exhaust air filter optional recommended AIRFLOW 2020 G H I A C D E F A F 1 2 A D ...

Страница 72: ...h air flow and disabling the compressor C The ambient inlet air temperature is equal to the outdoor temperature III REDUCED FLOW FOR DEHUMIDIFICATION In order to effect more effectively the fresh air dehumidification Airflow 2020 reduces the flow modulating the fan speed D so it is possible to cool the rooms by using the radiant panels and to effectively dehumidify OUTDOOR AIR temp SUPPLY temp AIR...

Страница 73: ...upervisor AUTO Automatic operating Visible if active KEYS COMBINATION KEYS FUNCTIONS Ambient setpoint control up down Ventilation Alarm Eco used in combination with other keys Cooling Heating Clean ON OFF DISPLAY It displays the temperature detected in ambient Long press It scrolls down the alarm list of one code at a time Single press Alarm reset in progress Long press Button lock Button unlock L...

Страница 74: ...ling symbol Use the setpoint Control buttons to set the desired setpoint HEATING Hold the Heating button for 5 seconds until is displayed the Heating symbol Use the setpoint Control buttons to set the desired setpoint In each of the two modes is possible to activate the function Ventilation only VENTILATION ONLY Hold the Ventilation button for 5 seconds until the setpoint value is replaced with To...

Страница 75: ...lay will return to normal visualization after 5 seconds from the last pressure on Alarms SHUTDOWN Hold the On Off button for 5 seconds until the unit shutdown Off is displayed At the next starting the unit is started up in the last set mode SPEGNIMENTO ALARM RESET Before resetting an alarm identify and remove the cause that generated it Repeated reset can lead to irreversible damages To reset the ...

Страница 76: ...NUAL STOP FOR LONG PERIODS Hold the On Off button for 5 seconds until the unit shutdown Off is displayed Position the main installation switch on Off At the next starting the unit is started up in the last set mode ...

Страница 77: ...mmon detergent Rinse thoroughly in running water to avoid spillage into the served area Dry the filter The ambient filter installation is possible in 3 positions A from the top floor units B from the bottom ceiling units C lateral floor units A B C Dust and deposits could cause obstructions In addition in the pan can proliferate microorganisms and moulds It is very important to provide a periodic ...

Страница 78: ... visually inspected frequently and cleaned at least every 6 months Check the filter replace if very dirty or wash it with water To clean clean in tepid water with common detergent rinse thoroughly in running water to avoid spillage into the served area dry Alternatively blowing or vacuuming Outlet Replacement of inlet filter Replacement of rectangular grille filter Square grille metal filter ...

Страница 79: ...es mounted on a flexible cable vacuum cleaners etc on supply and return conduits distribution boxes grilles and aeration inlets outlets Conduits subject to dirt build up are those that extract air from the room while inlet conduits are less subject to clogging as the air is filtered if an electrostatic filter is mounted filtration improves and the air introduced CLEANING THE AERAULIC SANITISATION ...

Страница 80: ...hanged by the manufacturer without prior notice All reproduction even partial is prohibited Copyright AIRWELL 3 Avenue du Centre Les Quadrants Bâtiment A 78280 GUYANCOURT France Tel 33 0 1 76 21 82 00 contact airwell res com Documentation http lh airwell res com ...

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