HIdRos HMA BT 270 Technical Manual Download

Page: 50 / 52

Rev. C 02-2021

MTEC.6715.GB-C-1 Operation and maintenance manual HMA BT series English

HMA BT

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Summary of Contents for HMA BT 270

Page 1: ...nglish Rev C 02 2021 Multiple instructions RQVXOW WKH VSHFL F SDUW Read and understand the instructions before undertaking any work on the unit RETAIN FOR FUTURE REFERENCE Incorporated in this document are the following Declaration of conformity Technical manual Dimensional drawing TECHNICAL MANUAL Original instructions ...

Page 2: ...s regarding the use of its products 7KH RPSDQ IROORZV D SROLF RI FRQWLQXRXV SURGXFW GHYHORSPHQW DQG LPSURYHPHQW DQG UHVHUYHV WKH ULJKW WR PRGLI VSHFL FDWLRQV equipment and instructions regarding use and maintenance at any time without notice Declaration of conformity We declare under our own responsibility that the below equipment complies in all parts with the CEE and EN directives The declaratio...

Page 3: ...erant used 2 6 First Aid Measures 3 TECHNICAL CHARACTERISTICS 3 1 Unit description 3 2 Accessories 3 3 Technical data 3 4 Operation limits 3 5 Sound data 3 6 Safety devices 4 INSTALLATION 4 1 General safety guidelines and and use of symbols 4 2 Health and safety Considerations 4 3 Personal protective equipment 4 4 Inspection 4 5 Storage 4 6 Unpacking 4 7 Lifting and handling 4 8 Location and minim...

Page 4: ...tic signal silencing 6 6 Display during alarm 6 7 Alarm reset 7 MAINTENANCE OF THE UNIT 7 1 General warnings 7 2 Drive access 7 3 Scheduled manintenance 7 4 Periodical checks 7 5 Refrigerant circuit repair 8 DECOMMISSIONING 8 1 Disconnect the unit 8 2 Disposal recovery and recycling 8 3 RAEE Directive only UE 9 DIAGNOSIS AND TROUBLESHOOTING DXOW QGLQJ 10 DIMENSIONAL DRAWINGS ...

Page 5: ... These instructions are intended to provide the information required for the selection installation use and maintenance of the unit They have been prepared in accordance with the European Union laws and with the technical standards in force at the date of issue of the instructions The instructions contain all the necessary information to prevent any reasonably foreseeable misuse The manual must be...

Page 6: ...dance with iee regulations Low pressure safety valve Poisoning severe burns High evaporating pres sure causing a refgrig erant discharge during maintenance Carefully check the evaporating pressure dur ing the maintenance operations Use all personal protective equipment required by the law PPE must also protect against gas leaks from the safety valve The outlet of these valves is di rected to avoid...

Page 7: ... A black graphic symbol added to a yellow triangle with black edges indicates danger ACTION REQUIRED A white symbol inserted in a blue circle indicates an action that must be done to avoid a risk 7KH JUDSKLF V PERO ZDUQLQJ LV TXDOL HG ZLWK DGGLWLRQDO VDIHW LQIRUPDWLRQ WH W RU RWKHU V PEROV Safety symbols combined in accordance with ISO 3864 2 1 7 General Description of Symbols Used Safety symbols ...

Page 8: ...erature that could create risks SHARP SURFACES The symbol indicates components or parts that could cause stab wounds EARTH CONNECTION 7KH V PERO LGHQWL HV DUWKLQJ FRQQHFWLRQ SRLQWV LQ WKH XQLW READ AND UNDERSTAND THE INSTRUCTIONS Read and understand the instructions of the machine before any operations RECOVER OR RECYCLE MATERIAL 1 8 Safety symbols used The unit is not suitable for operations in e...

Page 9: ...ura di progetto Design temperature Peso a vuoto Weight Temperatura di progetto Design temperature CO2 Equivalente CO2 Equivalente Data di fabbricazione Manifacture date PS F A C S I M I L E A C S I M I L E A C F A S I S I I L 6 7 ton Hz 37 cy RESSIONE URE SID CO2 Equivalent CO2 Equivale Via E Mattei 20 35028 Piove di Sacco PD Italy 39 049 9731022 info hidros it www hidros eu MTEC 6715 GB C 1 Opera...

Page 10: ...ions EC no 2037 200 of 29 June 2000 Discharges into the atmosphere of this product does not cause a long term contamination Wear protective clothing and gloves protect your eyes and face 5HIULJHUDQW KDQGOLQJ Users and maintenance personnel must be adequately informed about the possible risks of handling potentially toxic substances Failure to follow such instructions can cause damage to personnel ...

Page 11: ... person away from the source of exposure keep him her warm and let him her rest Administer oxygen if necessary Attempt DUWL FLDO UHVSLUDWLRQ LI EUHDWKLQJ KDV VWRSSHG RU VKRZV VLQJV RI VWRSSLQJ I WKH KHDUW VWRSV SHUIRUP H WHUQDO KHDUW PDVVDJH 6HHN PHGLFDO assistance In case of contact with skin wash immediately with lukewarm water Thaw tissue using water Remove contaminated clothing Clothing may st...

Page 12: ...d on rubber vibration dampers and it is supplied standard with sound proof cover to reduce noise emission The inspection is pos sible through the frontal panel of the unit that allows the maintenance of the compressor 3 1 4 Condenser and evaporator Condensers DQG HYDSRUDWRUV DUH PDGH RI FRSSHU SLSHV DQG DOXPLQLXP QV All evaporators are painted with epoxy powders to prevent corrosion problem due to...

Page 13: ...rectly coupled to the electric motor The fan wheel and the scroll are made from hot galvanised thick sheet metal painted with polyurethane powders to ensure the best resistance DJDLQVW DJJUHVVLYH HQYLURQPHQWV 7KH HOHFWULF PRWRU LV D KLJK HI FLHQF EUXVKOHVV W SH ZLWK H WHUQDO URWRU WR JXDUDQWHH DQ LGHDO FRROLQJ of the windings and the absence of power lost due to pulleys and belt transmission The f...

Page 14: ... 400 3 N 50 400 3 N 50 MTEC 6715 GB C 1 Operation and maintenance manual HMA BT series English HMA BT QGXVWULDO GHKXPLGL HUV Performances are referred to the following conditions 1 Sound Power level according to ISO 9614 fan with available static pressure 50 Pa 6RXQG SUHVVXUH OHYHO PHDVXUHG DW PW IURP WKH XQLW LQ IUHH HOG FRQGLWLRQV DFFRUGLQJ WR 62 IDQ ZLWK DYDLODEOH VWDWLF SUHVVXUH 3D 3 3 Technic...

Page 15: ...ax Min Nominal Max Min Nominal Max Min Nominal Max Min Nominal Max HMA BT 270 HMA BT 350 HMA BT 450 HMA BT 550 HMA BT 950 HMA BT 750 m3 h m3 h m3 h m3 h m3 h m3 h Pa Pa Pa Pa Pa Pa 270 350 450 550 750 950 LJK VSHHG kW 0 73 1 36 1 36 1 53 3 30 3 80 A 1 50 2 80 2 80 3 60 5 50 6 70 B Low speed kW 0 68 0 73 0 73 1 18 3 10 3 60 A 1 40 1 50 1 50 2 20 5 20 6 40 MTEC 6715 GB C 1 Operation and maintenance ...

Page 16: ...A BT 270 HMA BT 350 HMA BT 450 HMA BT 550 HMA BT 950 HMA BT 750 270 350 450 550 750 950 kW A kW A kW A kW A kW A kW A A 0 76 3 30 1 11 4 80 1 11 4 80 1 53 2 70 2 34 3 90 3 16 5 10 B 0 46 2 00 0 55 2 40 0 55 2 40 0 95 1 70 1 48 2 60 2 42 4 10 C 0 75 3 20 1 16 5 00 1 16 5 00 1 53 2 70 2 43 4 00 3 52 5 60 D 0 55 2 40 0 78 3 30 0 78 3 30 1 07 2 06 2 04 3 44 3 14 5 07 E 0 44 1 90 0 62 2 70 0 62 2 70 0 ...

Page 17: ... very low fan speed could result in malfunction or even damage to the unit It is recommended to move a single micro switch for each operating speed The displacement of two or more micro switches may generate incorrect power supply voltages with malfunction or damage to the unit DQ VSHHG VHWWLQJ V1 Minimum speed V8 Maximum speed 3 3 3 Supply fan Microswitches Only with VECE OO XQLWV HTXLSSHG ZLWK I...

Page 18: ...GLIIHUHQW FRQGLWLRQV SOHDVH FRQWDFW RXU WHFKQLFDO RI FH RH Room temperature C The units are designed to operate within false ceiling and or heated technical room The units are NOT suitable for outdoor installations and or technical room w o heat attics rooms communicating with the outside as it may form condensation on the walls and inside the unit cabinet causing damages The units are designed to...

Page 19: ...UH VZLWFK The high pressure switch stops the unit when the discharge compressor pressure is higher than the set value The restart is automatic done when the pressure is under the level set in the differential value 3 6 2 Defrost sensor It s a device which signals to the electronic control the necessity to make the defrost cycle Once the defrost cycle is activated the defrost sensor also determines...

Page 20: ... not insert any objects into moving parts HQHUDO VDIHW JXLGHOLQHV DQG DQG XVH RI V PEROV When operating and maintaining the unit use the following personal protective equipment listed below as required by law Protective footwear Eye protection Protective gloves Respiratory protection Hearing protection 4 2 Health and safety Considerations 4 3 Personal protective equipment The workplace must be kep...

Page 21: ... full written report is required for cases of severe damage 6WRUDJH Units should be stored under cover and ideally should remain in their packaging The tools that are supplied for opening the electrics box should be formally transferred to the person responsible for the plant 8QSDFNLQJ It is advisable to leave packaged units during handling and remove it before the installation The packaging must ...

Page 22: ...od The installation site should be chosen in accordance with EN 378 1 and 378 3 standards When choosing the installation site all risks caused by accidental refrigerant leakage should be taken into consideration RQGHQVDWH GUDLQLQJ FRQQHFWLRQV The connection of the condensate discharge has to be made with a rigid pipe On the condensate discharge pipe it must be installed a syphon with a minimum hei...

Page 23: ...LGL HUV 4 9 1 How to remove the drip tray RZ WR UHPRYH ÀOWHU ZLWK DFFHVVRU 5 Q FDVH WKH XQLW LV VXSSOLHG ZLWK 5 IUDPH IRU GXFWHG LQVWDOODWLRQ VOLGH RII WKH DLU OWHU DV VKRZQ EHORZ RZ WR UHPRYH ÀOWHUV RZ WR UHPRYH ÀOWHUV LQ VWDQGDUG FRQÀJXUDWLRQ 5HPRYH WKH LQJ PHWDOOLF IUDPH DQG VOLGH RII WKH DLU OWHU DV VKRZQ EHORZ ...

Page 24: ...to be plugged in and connected to a system with MODBUS protocol This system allows you to remotely monitor all parameters of the unit and change their YDOXHV 7KH VHULDO LQWHUIDFH ERDUG LV QRUPDOO WWHG DW WKH IDFWRU ZKHUH LW LV SURYLGHG VHSDUDWHO LV QHFHVVDU WR UHVSHFW WKH SRODULW RI WKH wiring as shown in the diagram Any reversal of polarity will result in the non functioning unit The supervision ...

Page 25: ... noise it is necessary that the air speed inside ducts would never exceed 4 m sec With crossing KLJK VSHHG LW JUHDWO UHGXFHV WKH GHKXPLGL FDWLRQ FDSDFLW RI WKH XQLW DQG LQFUHDVHV WKH ULVN RI GUDJJLQJ RI ZDWHU FRQGHQVDWLRQ LQ WKH DLU GXFWV ZLWK D SRWHQWLDO GDPDJH WR WKH IXUQLWXUH DQG RU ÀRRULQJ LU GXFW LQJ DW WKH VXSSO DQG UHWXUQ SRUWV W LV DOZD V UHFRPPHQGHG WR XVH D ÀH LEOH FRQQHFWLRQ EHWZHHQ WKH...

Page 26: ... 5 PXVW EH LQVWDOOHG LQ WKH URRP WR EH WUHDWHG DW P DERYH WKH ÀRRU ZDOO PRXQWHG LQ D position such as not receive external irradiations or air drafts It should be noted that the values in the numbered scale identify the desired URRP UHODWLYH KXPLGLW The humidistat is supplied separately For connection please refer to the wiring diagram supplied along with the unit DQ SRVLWLRQLQJ In all units the s...

Page 27: ...J diagram enclosed with the unit The cable section must be commensurate with the calibration of the system side protection and must take into DFFRXQW DOO WKH IDFWRUV WKDW PD LQÀXHQFH WHPSHUDWXUH W SH RI LQVXODWLRQ OHQJWK HWF Power supply must respect the reported tolerances and limits If those tolerances should not be respected the warranty will be invalidated ORZ VZLWFKHV PXVW EH FRQQHFWHG IROORZ...

Page 28: ...ord to the terminal block in the cabinet After connecting all cable carefully close the front panel The electrical data reported below refer to the standard unit without accessories In all other cases refer to the data reported in the attached electrical wiring diagrams 7KH OLQH YROWDJH ÀXFWXDWLRQV FDQ QRW EH PRUH WKDQ RI WKH QRPLQDO YDOXH ZKLOH WKH YROWDJH XQEDODQFH EHWZHHQ RQH SKDVH DQG DQRWKHU ...

Page 29: ...must not be blocked REMOTE ON OFF To switch the unit on or off from remote control Contacts are voltage free Units are supplied standard with bridged terminals Contact closed unit ON Contact open unit OFF ROOM HYGROSTAT UA Only if remote mechanical hygrostat HYGR is used Contact UA open unit off Contact UA closed unit in operation All terminals referred to in the explanations below will be found o...

Page 30: ... powered correctly if present Check that all water connections are properly installed and all indications on unit labels are observed 7KH V VWHP PXVW EH ÀXVKHG OOHG DQG YHQWHG LQ RUGHU WR HOLPLQDWH DQ DLU Check that the water temperatures are within the operation limits reported in the manual Before start up check that all panels are replaced in the proper position and locked with fastening screws...

Page 31: ...c sensor installed allows the display of the following icons 1 click The bottom line displays Tamb room temperature 2 clicks The bottom line displays rH room humidity In standard mode with mechanical thermostat hygrostat allows the display of the following icons the top line displays the label TOn room temperature request or TOff room temperature in set the bottom line displays the label UOn room ...

Page 32: ... in the bottom line will appear the label SETH 3UHVV IRU VHFRQGV DQG UHOHDVH LQ WKH PDLQ GLVSOD makes it possible to modify the set points Icon Meaning Icon Meaning Not used Not used Compressors 1 and 2 Not used HKXPLGL FDWLRQ High Pressure Not used General Alarm Unit fan Not used On if the unit is turned on XQFWLRQ PHQX DFWLYH OHFWULF KHDWHU RU ZDWHU YDOYH DFWLYDWHG Not used 5 3 1 Display icons T...

Page 33: ...the display of the following icons the top line displays the label TOn room temperature request or TOff room temperature in set the bottom line displays the label UOn room humidity request or UOff room humidity in set In programming mode it allows the user to scroll through parameter codes or to change values 7KH UHPRWH FRQWURO SDQHO LV PRXQWHG RQ D SDQHO ZLWK PP FXW RXW HG ZLWK VFUHZ To obtain IP...

Page 34: ...fans are running 10 Icon ON Electric heater or water valve activated 3 Icon ON if the compressor is turned on Icon blinking if the compressor is the in start delay 11 Not used 4 Icon ON HKXPLGL FDWLRQ F FOH DFWLYDWHG 12 Icon blinking on alarm 5 Not used 13 Not used 6 Icon ON the unit is on 14 Counter between two defrost cycles 7 Not used 15 Icon ON the display shows the room temperature or hu midi...

Page 35: ...quipped with mechanical thermostat hygrostat Unit in drip time after defrost Unit equipped with mechanical thermostat hygrostat In order to power the unit turn the main switch to the ON position a In case of electronic sensor the display shows room humidity in the bottom line b In case of remote mechanical thermostat hygrostat the display shows tOFF UOFF temperature humidity off unit in set or tOn...

Page 36: ...ou do not create situations that FRQÀLFW ZLWK WKH RWKHU VHW SDUDPHWHUV RZ WR FKDQJH WKH VHW SRLQWV Display in stand by mode Display in OFF from remote contact All set points are intended as room conditions Select the required set point pressing the key The label appears at the bottom of the display SEtI Room humidity set point SEtH Room temperature set point To set the required set points press ag...

Page 37: ...l the list of the active alarms There are two types of alarms 5HVHW DODUPV RST label appears on the upper part of the display In this case press the key to reset 1RQ UHVHW DODUPV The nO label appears on the upper part of the display In this case the alarm is permanent contact the Company Um einen einwandfreien und energetisch sinnvollen Betrieb des Luftentfeuchters zu gewährleisten ist nach VDI 20...

Page 38: ...l requirements of the previous paragraphs Use personal protective equipment required by regulations as compressor casings and discharge pipes are at high WHPSHUDWXUHV RLO QV DUH VKDUS DQG SUHVHQW D FXWWLQJ KD DUG If the unit is not to be used during the winter period the water contained in the pipes may freeze and cause serious damage In this event fully drain the water from the pipes checking tha...

Page 39: ...to the type size age and use of the system and to the indications contained in the Manual Servicing during the unit s operating lifetime and in particular scheduled leak detection on site inspections and check ups of safety equipment must be carried out as provided by local laws and regulations in force CASE Visual Inspection Pressure Test Search for leaks A X X X B X X X C X X D X X A Inspection ...

Page 40: ...supply voltage of the unit X Check tightness of cables in their clamps X Check the integrity of the insulating coating of power cables X Check the conditions and functioning of the counters X Check functioning of the microprocessor and of the display X Clean the electrical and electronic components of any dust X Check functioning and calibration of probes and transducers X RQGHQVLQJ FRLOV DQG IDQV...

Page 41: ...nd make the necessary checks provided by the pre start control module valid for the italian market to be requested to the service Site assembled refrigerant circuits must be assembled and maintained carefully in order to prevent malfunctions Therefore YRLG RLO UHSOHQLVKPHQW ZLWK SURGXFWV WKDW DUH GLIIHUHQW IURP WKDW VSHFL HG DQG WKDW DUH SUH ORDGHG LQWR WKH FRPSUHVVRU In the event of a gas leakage...

Page 42: ...nt oil that binds the disposal mode of components 8 3 RAEE Directive only UE This product is included in the application of Directive 2012 19 EU on the management of waste electrical and electronic equipment WEEE The unit should not be treated with household waste as it is made of different materials that can be recycled at the appropriate facilities Inform through the municipal authority about th...

Page 43: ...re KHFN WKH OWHUV LI QH cessary replace them In ducted versions check the pressure drop of the ducts AloP Low pressure Yes Yes Refrigerant charge lea kage Contact the Company APBa APBi Room temperature probe sensor alarm PBa Yes No Replace faulty sensor Contact the Company APBu Room humidity probe sensor alarmPBu Yes No Atdf Defrost time too long Yes Yes Warning Reporting only Atlo Low room temper...

Page 44: ...201 748 479 671 704 294 515 201 209 1149 322 317 515 1154 Rp Ep Rp J HMA BT 270 HMA BT 350 HMA BT 450 Tot 207 211 215 HMA BT 250 350 450 MTEC 6715 GB C 1 Operation and maintenance manual HMA BT series English HMA BT QGXVWULDO GHKXPLGL HUV REMOVABLE PANEL ELECTRICAL PANEL POWER SUPPLY DRAIN INLET CONDENSATE DRAIN LPHQVLRQDO GUDZLQJV ...

Page 45: ... 1 FLUSSO ARIA AIR FLOW FLUSSO ARIA AIR FLOW 1504 Rp 634 865 1499 1750 854 437 338 259 257 383 684 854 338 257 259 849 1750 77 5 895 383 437 684 1504 MTEC 6715 GB C 1 Operation and maintenance manual HMA BT series English HMA BT QGXVWULDO GHKXPLGL HUV REMOVABLE PANEL ELECTRICAL PANEL POWER SUPPLY DRAIN INLET CONDENSATE DRAIN ...

Page 46: ...ARIA AIR FLOW FLUSSO ARIA Rp 94 704 76 799 279 144 711 500 1380 803 1187 176 797 176 479 322 317 515 201 294 209 26 27 MTEC 6715 GB C 1 Operation and maintenance manual HMA BT series English HMA BT QGXVWULDO GHKXPLGL HUV REMOVABLE PANEL ELECTRICAL PANEL POWER SUPPLY DRAIN INLET CONDENSATE DRAIN ...

Page 47: ... Es Cd Ø 1 157 1082 511 HMA BT 550 750 950 FARC MTEC 6715 GB C 1 Operation and maintenance manual HMA BT series English HMA BT QGXVWULDO GHKXPLGL HUV REMOVABLE PANEL ELECTRICAL PANEL POWER SUPPLY DRAIN INLET CONDENSATE DRAIN ...

Page 48: ...Rev C 02 2021 48 MTEC 6715 GB C 1 Operation and maintenance manual HMA BT series English HMA BT QGXVWULDO GHKXPLGL HUV ...

Page 49: ...Rev C 02 2021 49 MTEC 6715 GB C 1 Operation and maintenance manual HMA BT series English HMA BT QGXVWULDO GHKXPLGL HUV ...

Page 50: ...Rev C 02 2021 50 MTEC 6715 GB C 1 Operation and maintenance manual HMA BT series English HMA BT QGXVWULDO GHKXPLGL HUV ...

Page 51: ...Rev C 02 2021 51 MTEC 6715 GB C 1 Operation and maintenance manual HMA BT series English HMA BT QGXVWULDO GHKXPLGL HUV ...

Page 52: ...Z KLGURV LW 3 9 H ƒ 5 2 Technical data shown in this booklet are not binding 7KH RPSDQ VKDOO KDYH WKH ULJKW WR LQWURGXFH DW DQ WLPH ZKDWHYHU PRGL FDWLRQV QHFHVVDU WR WKH LPSURYHPHQW RI WKH SURGXFW The reference languages for the whole documentation are Italian and English The other languages are to be considered only as guidelines ...

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