HIdRos SMA 270, Technical Manual

Page 1: ...v H 11 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: ...es regarding the use of its products 526 6 S IROORZV D SROLF RI FRQWLQXRXV SURGXFW GHYHORSPHQW DQG LPSURYHPHQW DQG UHVHUYHV WKH ULJKW WR PRGLI VSHFL FDWLRQV HTXL pment 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 7KH GHFODUDWLR...

Page 3: ...ECHNICAL CHARACTERISTICS 3 1 Unit description 3 2 Accessories 3 3 Technical data 3 4 Operation limits 3 5 Sound data 3 7 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 minimum technical clearances 4 9 Condensat...

Page 4: ... the set points 6 5 Acoustic 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 maintenance 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 DRAWING...

Page 5: ...hese 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 k...

Page 6: ...nce 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 c...

Page 7: ... 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 co...

Page 8: ...ature 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 env...

Page 9: ...t charge C1 C3 C2 Min Max Min Max C4 F L A A F L I kW PS Temperatura di progetto Design temperature Peso a vuoto Weight Temperatura di progetto Design temperature CO2 Equivalente CO2 Equivalente Data di fabbricazione Manifacture date PS Via E Mattei 20 35028 Piove di Sacco PD Italy 39 049 9731022 info hidros it www hidros eu MTEC 6800 GB H 1 Operation and maintenance manual SMA series English SMA ...

Page 10: ...ces are regulated under the Montreal Protocol revised 1992 and regulations 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 substan...

Page 11: ...erson 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 stic...

Page 12: ...a low air side pressure drop and then the use of low rotation and low noise emission fans All units are supplied standard with a powder coated steel drip tray and all evaporators are supplied with a temperature sensor used as automatic defrost probe 3 1 5 Supply fan The fans are made of galvanized steel centrifugal type It is statically and dynamically balanced and supplied The electric motors are...

Page 13: ...O SUR OH WKDW JHQHUDWHV WXUEXOHQW ÀRZ ZLWKLQ WKH UHIULJHUDQW JDV WKXV LQFUHDVLQJ WKH KHDW H FKDQJH IDFWRU WKH WKHUPDO HI FLHQF DQG UHGXFLQJ WKH GLPHQVLRQV 7KH KHDW H FKDQJHU LV GHVLJQHG WR UHFRYHU DSSUR RI WKH WKHUPDO FDSDFLW JHQHUDWHG E WKH XQLW 3 2 8 Serial interface card RS485 INSE This interface card enables the controller to comunicate with other devices using Modbus protocol 3 2 9 E C Supply...

Page 14: ...LPPLQJSRRO GHKXPLGL HUV Performances are calculated with low fan speed and are referred to the following conditions 1 Without electrric heater 2 Room temperature 30 C water temperature 80 70 C compressor OFF 5RRP WHPSHUDWXUH ZDWHU WHPSHUDWXUH 4 Sound Power level according to ISO 9614 fan with available static pressure 50 Pa 6RXQG 3UHVVXUH OHYHO PHDVXUHG DW PW IURP WKH XQLW LQ IUHH HOG FRQGLWLRQV D...

Page 15: ...l correction factors HOWA The hot water coil capacity in different conditions can be obtained multiplying the nominal capacity See above by the correction factor indicated in the table The graphic below shows the pressure drops of the hydraulic circuit that includes the hot water coil and the 3 way modulating valve Pressure drops kPa HDWLQJ FRLO ZDWHUÁRZ O K Nominal capacity 3 3 1 Hot water coil A...

Page 16: ...capacity in different conditions can be obtained multiplying the nominal capacity See above by the correction factor indicated in the table The graphic below shows the pressure drops of the hydraulic circuit that includes the desuperheater Pressure drops kPa DWHUÁRZ O K Nominal capacity 3 3 4 Desuperheater Accessory RP01 Correction factors Desuperheater water inlet temperature C Performances are r...

Page 17: ...n Nominal Max Min Nominal Max Min Nominal Max Min Nominal Max Min Nominal Max SMA 270 SMA 350 SMA 450 SMA 550 SMA 950 SMA 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 6800 GB H 1 Operation and maintenance manual ...

Page 18: ...Pa Pa Pa SMA 270 SMA 350 SMA 450 SMA 550 SMA 950 SMA 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 92 1 69...

Page 19: ...ery 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 9 Supply fan Microswitches Only with VECE OO XQLWV HTXLSSHG ZLWK IDQ...

Page 20: ... be inva lidated if the units are used in ambient conditions outside the limits reported If there is the necessity to operate in 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 communicatin...

Page 21: ...WFK 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 determines also its c...

Page 22: ...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 kept...

Page 23: ...t shown in the delivery note Q DVH RI DPDJH List the damage on the delivery note Inform the Company of the extent of the damage within 8 days of receipt of the goods After this time any claim will not be considered A 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 open...

Page 24: ...ng systems required to perform repairs during warranty period 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 When unloading the unit it is highly recommended to avoid any sudden move in order to protect refrigerant circuit copper tubes or...

Page 25: ...20 mm 7KH FRQGHQVDWH GUDLQ OLQH VKRXOG KDYH D ZDWHU WUDS ZKLFK PD KDYH PLQLPXP À LQJ KHLJKW HTXDO WR WKH VXFWLRQ RI the fan in any case never less than 35 mm 4 9 1 How to remove the drip tray In the main european markets the minimum distance of electric appliances from water sources basins showers pools whirlpools is 2 meters Before the installation of the unit it is compulsory to check the nation...

Page 26: ... picturet It is controlled directly by the board For proper equipment operation it is recommended powering the unit with a dedicated pump It is strongly recom mended to connect the unit upstream of the collector system to ensure proper water supply see drawing This option is available only in combination with the electronic probe RGDD It is not available in combination with remote mechanical hygro...

Page 27: ...eries English SMA 6ZLPPLQJSRRO GHKXPLGL HUV RZ WR UHPRYH ÀOWHUV 5HPRYH WKH LQJ PHWDOOLF IUDPH DQG VOLGH RII WKH DLU OWHU DV VKRZQ EHORZ 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 ...

Page 28: ...y Water pool supply 7KH SDUWLDO KHDW UHFRYHU FRLO PXVW DOZD V EH LQVWDOOHG GRZQVWUHDP RI WKH ZDWHU OWHU DQG XSVWUHDP RI WKH ZDWHU disinfection treatment in the pools hydraulic circuit The positioning of the heat exchanger upstream of the disin fection treatment is important because prolonged exposure to high concentrations of disinfectants chemicals can cause irreparable damage to the heat recover...

Page 29: ...eversal of polarity will result in the non functioning unit The supervision connectivity cable must be telephone one type 2x0 25 mm2 7KH XQLW LV FRQ JXUHG DW WKH IDFWRU ZLWK VHULDO DGGUHVV Q FDVH RI XVLQJ WKH 02 86 V VWHP RX FDQ UHTXHVW WKH OLVW RI YDULDEOHV E contacting the assistance RQQHFWLQJ WKH XQLW WR DLU GXFW FKDQQHOV Units can be connected to air ducts channels either form the return and s...

Page 30: ... EHWZHHQ WKH XQLW DQG DLU GLVWUXEXWLRQ V VWHP GXFW FKDQQHO in order to reduce the transmission of vibrations Flexible connection Self tapping screws ø 3 9 mm or 4 2 mm 4 15 2 Return duct connection with FARC option In case of return duct installation it is necessary the use of accessory FARC a metallic frame that allow the slide RII WKH DLU OWHU ODWHUDOO Right hand side Supply Left hand side Suppl...

Page 31: ...ch 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 supply fan can be oriented in 3 different directions The operation has to be carried out exclusiv...

Page 32: ... 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 IROORZL...

Page 33: ...nal 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 FDQ QRW H FHHG D...

Page 34: ... OFF To switch the unit on or off from remote control Contacts are voltage free Le unità sono fornite di serie dalla fabbrica con morsetti ponticellati 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 on the te...

Page 35: ...ly closed Check that crankcase heaters are 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...

Page 36: ...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 hu...

Page 37: ...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 Th...

Page 38: ...e 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 IP65...

Page 39: ...ns 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 ignition timing 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 midit...

Page 40: ...ical 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 temperature in the top line e room humidity in the bottom line b In case of remote mechanical thermostat hygrostat the display shows tOFF UOFF temperature humidity off un...

Page 41: ...make sure that you 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...

Page 42: ...m line of the display shows the alarm code in alternatively to the standard label 6 7 Alarm reset Press the key the menu AlrM appears at the bottom right of the display Press the key to display the alarm event In case of multiple alarms use the keys to scroll 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 pre...

Page 43: ...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 that ...

Page 44: ...o 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 XULQJ LWV RSHUDWLQJ OLIH WKH XQLW VKDOO EH LQVSHFWHG DQG YHUL HG LQ DFFRUGDQFH ZLWK DSSOLFDEOH O...

Page 45: ... X LPSLDU ORV FRPSRQHQWHV HOpFWULFRV HOHFWUyQLFRV SDUD HYLWDU OD DFXPXODFLyQ de polvo X 9HUL FDU HO IXQFLRQDPLHQWR OD FDOLEUDFLyQ GH ODV VRQGDV GH ORV WUDVGXFWRUWHV X 1 In order to carry out operations on the refrigerant it is necessary to observe the European Regulation 517_2014 2EOLJDWLRQV UHJDUGLQJ WKH FRQWDLQPHQW XVH UHFRYHU DQG GHVWUXFWLRQ RI ÀXRULQDWHG JUHHQKRXVH JDVHV XVHG LQ VWD tionary re...

Page 46: ... is to be emptied all the refrigerant must be recovered using the correct equipment by VXLWDEO TXDOL HG I JDV HQJLQHHUV Never use oxygen instead of oxygen free nitrogen explosions may occur Daily and monthly works may be carried out directly by the Owner of the system All other works must be perfor med by authorised and trained personnel Any kind of cleaning whatsoever is forbidden before disconne...

Page 47: ...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 the locat...

Page 48: ...e 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 tempera...

Page 49: ... 1 IN 2 OUT 1 OUT 2 SMA 270 350 450 J SMA 270 SMA 350 SMA 450 Tot 207 211 215 MTEC 6800 GB H 1 Operation and maintenance manual SMA series English SMA 6ZLPPLQJSRRO GHKXPLGL HUV REMOVABLE PANEL ELECTRICAL PANEL POWER SUPPLY DRAIN INLET CONDENSATE DRAIN USER WATER INLET STANDARD 3 WAY WATER VALVE OPTIONAL USER WATER OUTLET STANDARD USER WATER INLET DESUPERHEATER OPTIONAL USER WATER OUTLET DESUPERHEA...

Page 50: ...4 259 986 1073 81 1752 1499 1752 1499 AIR FLOW FLUSSO ARIA 383 437 684 257 338 259 854 SMA 550 750 950 J SMA 550 SMA 750 SMA 950 Tot 415 423 430 MTEC 6800 GB H 1 Operation and maintenance manual SMA series English SMA 6ZLPPLQJSRRO GHKXPLGL HUV REMOVABLE PANEL ELECTRICAL PANEL POWER SUPPLY DRAIN INLET CONDENSATE DRAIN USER WATER INLET STANDARD 3 WAY WATER VALVE OPTIONAL USER WATER OUTLET STANDARD U...

Page 51: ...270 350 450 FARC Rp Ep Es Cd Ø 1 IN 1 Ø 1 OUT 1 Ø 1 IN 2 Ø 1 OUT 2 Ø 1 MTEC 6800 GB H 1 Operation and maintenance manual SMA series English SMA 6ZLPPLQJSRRO GHKXPLGL HUV REMOVABLE PANEL ELECTRICAL PANEL POWER SUPPLY DRAIN INLET CONDENSATE DRAIN USER WATER INLET STANDARD 3 WAY WATER VALVE OPTIONAL USER WATER OUTLET STANDARD USER WATER INLET DESUPERHEATER OPTIONAL USER WATER OUTLET DESUPERHEATER OPT...

Page 52: ...IN 1 OUT 1 IN 2 OUT 2 Rp Rp Ep Cd 338 259 383 437 854 1504 849 1499 1752 854 1504 849 895 945 81 1111 312 96 27 551 1061 141 253 119119119 144 MTEC 6800 GB H 1 Operation and maintenance manual SMA series English SMA 6ZLPPLQJSRRO GHKXPLGL HUV REMOVABLE PANEL ELECTRICAL PANEL POWER SUPPLY DRAIN INLET CONDENSATE DRAIN USER WATER INLET STANDARD 3 WAY WATER VALVE OPTIONAL USER WATER OUTLET STANDARD USE...

Page 53: ...Rev H 11 2021 53 MTEC 6800 GB H 1 Operation and maintenance manual SMA series English SMA 6ZLPPLQJSRRO GHKXPLGL HUV ...

Page 54: ...Rev H 11 2021 54 MTEC 6800 GB H 1 Operation and maintenance manual SMA series English SMA 6ZLPPLQJSRRO GHKXPLGL HUV ...

Page 55: ...Rev H 11 2021 55 MTEC 6800 GB H 1 Operation and maintenance manual SMA series English SMA 6ZLPPLQJSRRO GHKXPLGL HUV ...

Page 56: ...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 ...