dtco-uhxrv
Contents
1. 1 The signal lines P Q E between the Indoor Units and the Outdoor Unit X Y E among the Indoor Un2. Indoor Units Personal Computer ER Network Interface Centralized Controller DIC IHXR with BMS UHXRV lt 0 KE i O Note The Network Interface may be i already integrated on the Indoor Unit s i Zz PCB otherwise it must be bought separately as an optional accessory NIM GRH World Wide Web Intemet Up to max 64 Indoor Units each DTC IHXR Up to max 16 DTC IHXR on the signal network a A a EE ETA EE OE N fa gi RR Sem om EE HER ER ET mn LE lt a RE ME EE EE EE RE ARE g EL GEE DO EE S OE EE ES OO N BE KET JE g RE ke EO EED EE EE ES S OPER 3 ESAS A ED Ez AAA EEE 2 Keywords amp general function desc nption 2 1 What happens when DTC O UHXRV Is powered When DTCO UHXRV Is powered and the current transformer that functions as a power supplier is connected to the network for 3 seconds the display LCD ofDTCO UHXRV shows all indications that can be displayed At the end of this interval standby s screen appears which displays the following information Number of Modules that is of Outdoor Units and number of Installations in case of Outdoor Units that are installed in combination each other each installation is composed of min 2 Modules up to max 4 Modules which are powered and connected On line is displayed to the Centralized Controller s signal network and which are recognized by DTCO UHXRV necessary condition the
3. Sos UORNY ADDO uopnq SSdAAAdV uopnq daS et suonng NMOd dN 39Vd SUOHNG LAN N SN OIAN4Ydd UORNY AO UOWNG AGOW uonng AYSNO YINMOHLNO D GIZNVaLlN3D AYXHA O ALO AO TANVd NALNE HSNd OPER 6 ES A EA EEE gt QUERY button If you press QUERY button you can enter QUERY mode about the operating state of the controlled Outdoor Units As default setting the information are displayed about the Outdoor Unit On line that is powered connected to the signal network of Centralized Controller and correctly addressed as regards DTCO UHXRV which has the lower number among those that have been assigned according to the control by the Centralized Controller gt PREVIOUS button In QUERY mode if you press PREVIOUS button it is possible to display the operating parameters of the Outdoor Unit On line having the address number immediately previous as regards the Outdoor Unit currently displayed If the Outdoor Unit currently displayed has the lower number among all Outdoor Units controlled by DTCO UHXRV if you press PREVIOUS button the operating parameters of the Outdoor Unit having the higher number among all the Outdoor Units controlled by DTCO UHXRV are displayed t NEXT button In QUERY mode if you press NEXT it is possible to display the operating parameters of the Outdoor Unit On line having the address number immediately following as
4. EN B Em lt lt Push button panel i 000 AY Terminal bock for the signal lines leave a space for cables Lid L Mounting screws M4 x 25 on the electric box or fixing screws M4 x 20 Notes 1 The central Figure shows the position of the 3 fixing holes on the back cover 2 For the le dimensions of DTCO UHXRV and the distances between the fixing holes please refer to the Figures on page INST 3 INST 10 Terminal block for the connection of signal lines on the back of DICO UHXRV Communication lines with other eventual Communication lines of DICO UHXRV DTCO UHXRV Centralized Controller and with the Outdoor Units that are equipped with the PC connection to RS 485 gt with a Network Interface Module NIM RS 232 Converter provided with BMS UHXRV that manages the Control System Oar N EG N INST 11 Centralized Controller DTC O UHXRV Part 1 Installation E Wiring 1 DTCO UHXRV Centralized Controllers for Outdoor Units DTA IHXR Time Wattmeter
5. OPER 18 Eens A MEE bn eal Page 7 of operating parameters This page displays the outlet temperature value which is detected on Temp C i P H H H Compressor 2 On Off compressor and expressed in C Page 8 of operating parameters Temp C This page displays the outlet temperature value which is detected on A d H H H Compressor 3 On Off compressor and expressed in C Page 9 of operating parameters ba This page displays the input current value of Compressor 1 Inverter Current A ede P P 0 compressor expressed in Amperes A E Page 10 of operating parameters a This page displays the input current value of Compressor 2 On Off Current A Z H H B compressor expressed in Amp res A Page 11 of operating parameters si This page displays the input current value of Compressor 3 ON Off Current A 3 H H E compressor expressed in Amp res A Page 12 of operating parameters Digital On HO G AIDO XRV Systems this parameter is not available So the display will show the indication on the left OO EO OPER 19 selle EE IN accel RE Page 13 of operating parameters Valve This page displays the opening angle of the electronic expansion i H H H valve EXV1 on the selected Outdoor Unit Page 14 of operating parameters Valve This page displays the opening angle of the electronic expansion rm H H H valve EXV2
6. Outdoor Units must be expressly and correctly addressed as regards DTCO UHXRV Concerning the addressing procedure of Outdoor Units please refer to Part 1 Installation of this Manual Number of address below on the right assigned to DTCO UHXRV 2 2 Address setting method of DTC O UHXRV in case of several devices on the same signal network In the presence of a Personal Computer equipped with a special Software and eventually interfaced by a Gateway Lonworks or BACnet to control networks of another kind on the same signal network there can be up to max 16 DTCO UHXRV equipments In the structure for the centralized control of the Outdoor Units each DTCO UHXRV is usually dedicated to the Outdoor Units that are installed in a given area of the building An address is assigned to each DTCO UHXRV in the range 16 31 to distinguish it from the other DTCO UHXRV equipments the address setting method is carried outas ithas been previously described in Part 1 Installation of this Manual 2 3 LED LED status LED on DTC O UHXRV If the Red LED is ON this means that DTCO UHXRV is powered by the electric network through the special current transformer OPER 4 ES PA A EA ll e a 2 4 Lock of DIC O UHXRV s buttons In order to avoid to press unintentionally any button on DTCO UHXRV Centralized Controller it is possible to lock the push button panel by pressing with a pointed article the special LOCK but
7. Units as regards the Centralized Controller must have been necessarily completed Each Outdoor Unit must have a different address as to the other Outdoor Units controlled by the same DTCO UHXRV Centralized Controller Selectors for the addressing of the Outdoor Unit as regards the Centralized Controller Limits of the address range S2 ON Note Whatever combination of S2 microswitches which is different from those represented in the Table is not correct INST 8 Centralized Controller DTC O UHXRV Part 1 Installation m Basic conditions of installing the Centralized Controller Please observe the following basic conditions to carry out a professional installation of DTCO UHXRV 1 Connect the power transformer to the nearest power socket 2 Do not lay the power cables of the Outdoor Units by inserting them inside the same plastic hard wire pipe used for the signal cables K1 K2 E F1 F2 E Insert the power cables and the signal cables in two different hard wire pipes and keep a distance of at least 0 5 metres between the pipes 3 The signal cables of DIT CO UHXRV Centralized Controller shall not exceed 1200m 4 No intermediate joint is allowed for the shielded signal cable If joints are inevitable crimp them with the terminal 5 After the Centralized Controller is connected to the signal cables it is no more possible to inspect insulation between each wire of signal cables 6 Wiring mode for conne
8. be displayed after 4 seconds Note e The default page display of DTCO UHXRV is STANDBY screen If the Centralized Controller is in SET Mode Setting and no button Is pressed for about 30 seconds STANDBY screen is displayed again OPER 14 a EE IN ESS EN 3 2 4 Indic ators displayed in QUERY Page Display QUERY _ f this indicator is ON this means that QUERY button has been previously pressed and that the Centralized Controller is now in QUERY mode This indicator refers to the address number of the Module in case of an installation 5 Module composed of several Outdoor Units installed in combination each other from a min of 2 up to max 4 Units the indicator refers to each Outdoor Unit that belongs to the installation which is currently selected among the Modules that are On line This indicator refers to the address of the Main Outdoor Unit of the installation in case Outdoor unit dd aa i H of an installation composed of several Outdoor Units called Modules installed in combination each other which is currently selected among the Outdoor Units that are On line fn By pressing PREVIOUS or NEXT button it is possible to switch over respectively od up and down the addresses of the Outdoor Units Modules for which the query of the operating parameters can be carried out This symbol indicates that the current operat
9. displays the information about the Outdoor Units electric consumption expressed in KWh Page 1 of operating parameters Freq Hz This page displays the pilot frequency value of Inverter compressor on the H H H selected Outdoor Unit expressed in Hertz Hz OPER 17 E A EE MEE bn eal Page 2 of operating parameters Indoor unit This page displays the total number of the Indoor Units On line connected 400 Page 3 of operating parameters to the installations controlled by DTCO UHXRV Centralized Controller Temp C This page displays T3 temperature temperature on heat a q H H H exchanger detected by the special sensor on the selected Outdoor Unit and expressed in C Page 4 of operating parameters Temp C This page displays T4 temperature outside air temperature ES 4 H H H detected by the special sensor on the selected Outdoor Unit and expressed in C Page 5 of operating parameters This page displays the temperature value detected by T6 sensor Temp C TT where itis available and expressed in C lt gt EE gt In HO AIDO XRV Systems this temperature sensor is not available on the Outdoor Units so the display will show the indication on the left Page 6 of operating parameters Temp C This page displays the outlet temperature value which is detected on A f H H H Compressor 1 Inverter compressor and expressed in C
10. eee SUODnelleisui ayy JO SUOQIDUOD bunelado em gt e au WUO JIM UOneuuoJuI paAeldsip au 13 09U0 p z enu gt AYXHN ODLG JO asn ay Buung Aeldsip a alde si GQD7 1ey UONEUUOJUI pue SIOIESIPUI IE SMOUS aMINDIA SUL ON ngsseoonsun epow e2esed0 ISO4JEd UMISA 10 mild ty lm mad 499104d gLosvez INIVA JUUL E Y EJ EY EJ SI O OL 40443 zis vezi do res SALSA 211310 y Iudadng FC que Re LR S 21UN Joopu ZH be44 Up 4eMog 30 Os Set nic ON yun sopo UL jnpowy EY Y 135 AYINO LA O S amp HAT1OHLNOOD GZMVeALN3 O AXYXHN O ALO AO AVidSIG Na aaa aa aa a aa a aa aa pli fl TEE lt lt gt gt ml Sm San gt SS gt ll gt A gt gt A E E a a a a IE EO EE EE EE N EE EO Sm tm EA lt gt le m nom A a As f F R A OPER 10 selle A EE a eal 3 2 1 Indicators that can be displayed on ALL screens of display O This indicator is displayed only if DTCO UHXRV Centralized Controller is connected to a El personal Computer and eventually to a Gateway If the connection is interrupted the indicator will disappear from the display after 20 seconds This indicator is displayed only if DTCO UHXRV Centralized Controller is connected to the is Outdoor Units through the NIM that is Network Interface Module the module is integrated on the Control PCB of each Outdoor Unit If the connection is interrupted the indicator will disappear from the display after 20 seconds CFS O T
11. i 2 Each Centralized Controller for Outdoor Units can control up to 32 Outdoor Units I 120 a FT i I 1200 a gt I n veld Ty 1 k lip i a a MM i I z boel Ty o arr F r elle Se se eje I ES aa O e 88 SEE 25 os EE PER 25 se 1 Sa Hi elole 1 Lo Ov 5 Hils olet I i In OL I 1 6g Tower supply Bo 69 Powersupply Bee ET Bo i es e Higa S8 Ez al o a 8 Centralized Controller i I 20D olelelele o es elelelelel Is no 25 plelelelejo ES elelelel o SY n No 16 for Outdoor Units I AB CN m AB CIN F JA IB ICIN Ni AB CIN Ni I i DTCO UHXRV 1 i I I AB ICI AR ch dade ABN I Blelele JE EIEIEIE 00 e 4 Te s e e El I I 1 I 1 1 DTA IHXR DTA IHXR DTA IHXR DTA IHXR 1 I I I I pleje ele e elele elele 5 ABIC ABC ABC ABIC I 380 415V 380 415V 380 415V 380 415V z I N 3Ph 50Hz N 3Ph 50Hz N 3Ph 50Hz N 3Ph 50Hz I I I I I E 1 I 1 I 1 I 1 I 1 I I I 1 I I I 1 I Notes I 1 I I I I I 1 a 1 E 1 I 1 I 1 I 1 I I I 1 I 1 I 1 I 1 I 1 I 1 I 1 I I I I I 1 E 1 E 1 I 1 I 1 I 1 I 1 I 1 I 1 I 1 I 1 I 1 bl 1 I I I 1 I 1 a I E 1 I 1 I 1 I 1 I 1 I I I 1 I 1 I 1 I 1 I 1 I 1 I I s 4 mm mm EE EE WE EE EE WE EE EE EE WE WE EE EE EE WE EE EE WE WE EE EE WE EE EE EE EE WE HE EE WE WE EE EE EE WE EE WE N WE HE EE WE WE WE EE EE EE EE EE N WE HE EE N EE EE EE WE WE mu EE N WE HE EE WE EE WE EE WE EE EE AA EE WE WE EE EN EE EE EE EE mm ee EA Centraliz
12. in case H HOutdoorunit Of an installation composed of several Outdoor Units calles Modules installed in combination each other which is currently selected among the Outdoor Units that are On line Note d If you press PREVIOUS or NEXT button itis possible to scroll respectively up and down the addresses of Outdoor Units Modules to which the settings available on the Centralized Controller can be applied Example of possible setting in SET Mode If the equipment is in SET mode by pressing MODE button you can change over in a ciclic way between the Forced Cooling option G that is Impossibility to set by the remote controllers of the Indoor Units which belong to the installation an operation mode incompatible with Cooling mode and the option OFF that is no limit to the operation mode that can be selected by the Indoor Units remote controllers except the restrictions which arise from the control logic inside the system After selecting by MODE button between Forced Cooling option Cie and the option OFF it will be necessary to confirm the selection by pressing OK button OPER 13 ES IN EE MEE PER If the operation is successful in the lower part and on the right of the display the indication Operate mode successful will be displayed after 4 seconds If the operation is unsuccessful the indication Operate mode unsuccessful will
13. on the selected Outdoor Unit Page 15 of operating parameters This page displays the Error Code referred to the most recent Error E H malfunction which is detected on the selected Outdoor Unit O e HB Error If there are no malfunctions the display shows the indication on the left Page 16 of operating parameters This page displays the Protection Code referred to the intervention of Protect H the most recent protection function on the selected Outdoor Unit Ifthere is no intervention of protection functions the display shows the indicatio on the left Protect Notes 1 The default page display of DTCO UHXRV is STANDBY screen If the Centralized Controller is in QUERY Mode and no button is pressed for about 30 seconds OPER 20 selle A ME bn eal the display will show STANDBY screen again 2 At each query of the Operating Parameters in QUERY screen the first operating parameter will be the last operating parameter that was analyzed during the previous query OPER 21 E AA bn iden 4 Tables of Enor Codes amp Protection Codes displayed on DICO UHXRV e Table of Error Codes Fault of communication between Outdoor Units in combination each other Malfunction caused by a transitory increase in number of the connected Outdoor Units in combination displayed only on Main Outdoor Unit Malfunction caused by a transitory reduction in number of the connected Ou
14. without the User s permission Before removing the equipment it is necessary to configure again the Units and the other equipments of the Control System otherwise the Units may run abnormally the wiring may get overheated and lead to fire Y Note Do not install the equipment in a place where leakage of flammable gas may occur Once flammable gases are leaked and left around the Centralized Controller fire may occur E Examples of wiring of DTC O UHXRV in the Control System Position of DTCO UHXRV along the signal lines as regards the Outdoor Units to be controlled and monitor Both wiring diagrams proposed below are correct It is reminded that the number max of Outdoor Units that can be controlled and monitored by each DTCO UHXRV is 32 Example 1 Outdoor Unit Outdoor Unit Outdoor Unit Outdoor Unit Outdoor Unit Outdoor Unit gt Centralized Controller DTCO UHXRV Example 2 Outdoor Unit Outdoor Unit Outdoor Unit Outdoor Unit Centralized Controller DTCO UHXRV Ti Outdoor Unit Outdoor Unit INST 2 m Packing box list Check whether the assemblies are complete 1 Centralized Controller DTCO UHXRV with pre wired power supply cable and bipolar female connector of proprietary type quick clutch 2 Phillips roundheaded metric screws M4 x 25 3 pcs for fixing the Centralized Controller inside an electric box of commercial type 3 Phillips roundheaded wood screws M4 x 20 3 pcs for direct and
15. yet if you press SET button you can select SET mode for setting the available options for the operation of the Outdoor Units On line controlled by DTCO UHXRV 3 MODE button If the equipment is in SET mode by pressing MODE button you can switch over in a cyclic way between the Forced Cooling option Ss that is impossibilty to set by the remote controllers of the Indoor Units which belong to the system an operation mode incompatible with the Cooling mode and the option OFF that is no limit to the operation mode that can be selected by the Indoor Units remote controllers except the restrictions which arise from the control logic inside the system tS OK button After selecting by MODE button see above between the option Forced Cooling sie and the option OFF it will be necessary to confirm the selection by pressing OK button OPER 8 selle Ee IN EE MEE RE In Case of successful operation after 4 seconds in the lower part and on the right of the display the indication Operate mode successful is displayed In case of unsuccessful operation after 4 seconds in the lower part and on the right of the display the indication Operate mode unsuccessful is displayed lt gt LOCK button In order to avoid to press unintentionally any button on DTCO UHXRV Centralized Controller it is possible to lock the push button panel by pre
16. 00 15 m Safety Precautions Read carefully the Safety Precautions before installing the DTCO UHXRV Centralized Controller Stated below are important safety issues that must be obeyed Safety Precautions are differentiated by the following marks according to the possible consequences which may result in case the instructions are not observed AN Waming Means improper handling may lead to personal injury or property loss 9 Note Means improper handling may lead to personal death or severe injury Upon completion of the installation check the correct operation of the DTCO UHXRV Centralized Controller by carrying out the Trial Run of the device Always deliver the User s Manual to the User and recommend him to keep it with care for future reference A Waming Please entrust the Distributor or the Authorized Technical Service to install the equipment Installation by unauthorized persons may lead to imperfect installation which may result in electric shock or fire INSF1 Centralized Controller DICO UHXRV Part 1 Installation To carry out correct installation of DTCO UHXRV Centralized Controller carefully observe this Manual Improper installation may lead to electric shock or fire In case DTCO UHXRV device is removed and then reinstalled it is necessary to observe the same instructions shown in this Manual for first installation Improper reinstallation may lead to electric shock or fire Do not uninstall DTCO UHXRV device
17. 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 m Addressing of the Outdoor Units as regards DICO UHXRV Centralized Controller In order that each Outdoor Unit can be correctly recognized in the signal network and controlled by DTCO UHXRV it is necessary that it is previously addressed by the assignation of one number in the signal network as regards DICO UHXRV To that end on the Control PCB of the Outdoor Unit there are the following hardware assemblies e S2 battery composed of 2 microswitches each of them can be set to ON or to OFF in order to obtain the 2 only useful combinations for the addressing The combination of the 2 microswitches bounds the ends of the addresses range which can be assigned by S3 rotary selector see the following item and the Table in the following page e S3 rotary selector with 16 positions that can be set from 0 to F for the assignation of an address number to the Outdoor Unit as regards DICO UHXRV Centralized Controller for Outdoor Units If S3 rotary selector is used in combination with S2 battery composed by 2 microswitches allows to cover an address range from OO to 31 INST 7 Centralized Controller DTC O UHXRV Part 1 Installation Before using a Centralized Controller for Outdoor Units and before using BMS UHXRV software application the addressing procedure of the Outdoor
18. Bo s 5 EF ole m iplo 0 0 0 oO A e w e WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WER INST 9 Centralized Controller DTC O UHXRV Part 1 Installation E Installation procedure The installation of DTCO UHXRV Centralized Controller may take place directly on the fixing surface or inside a special electric box embedded or on sight installation e The size of the signal wires to be conncected to DTCO UHXRV depends on the length of the signal lines The recommended min size is of 1 0 mm The max length is of 1200m e Lay the Centralized Controller s cables inside a plastic hard wire pipe of appropriate dimension Never lay in the same pipe the signal cables and the power cables e Remove the frontal panel of DI CO UHXRV by inserting the point of a flathead screwdriver in the hollows on the upper part of the device Slightly rotate to separate the frontal panel from the back cover of DTCO UHXRV see the Figure below For the details about the removal of the frontal panel and the connections to the terminal blocks please refer to the Figures below and to the following page Opening of the device amp installation assemblies Hollows on the upper part insert a screwdriver for opening Back cover Ss i IT S Front cover rama T T Display LCD
19. C Declaration Notes 1 Notes 2 HOGG AIDO Due to on going technological development of Products by the Manufacturer we reserve the right to vary the technical specifications atany time and without notice
20. Ca PCB nem PCB a PCB en Indoor Unit No 1 Indoor Unit No 2 Indoor Unit No 3 i 1200 H MI sa EA VY V SEPIE Slk 900 0 5 ol 90 00 5 16 elle 6116 le SS ge fi N E E EZ Fi E Y X l a re aa prem Ale Unit inteme da conti re PCB NEM PCB NFM PCB l NFM Indoor Unit No 64 Indoor Unit No 63 Indoor Unit No 62 Wired Controller Centralized Controller No 16 for Indoor Units Notes 1 The signal lines X Y E between the Indoor Units and between the Indoor Units and the Centralized Controller for Indoor Units F1 F2 E between the PC for Building Management System and the Centralized Controllers for Indoor Outdoor Units require the use of shielded cables with min size of 1 0mm Both sides of these wires should correspond properly During installation do not cross connect cables The max allowed length for each signal line is of 1200m 2 Each Personal Computer through the BMS UHXRV Package can manage up to max 16 Centralized Controllers for Indoor Units Each Centralized Controller for Indoor Units can control up to max 64 Indoor Units 3 The parallel installation of 120Q resistances at each end of signal lines see the diagram above is no more strictly required as in the meantime the anti interference capacity of the control firmware inside Units in the EEPROM has been improved wn EE EE EE EE EE EE EE EE WE EE EE EE eee WE WE WE eee EE
21. EE WE eee EE EE EE WE mu EE EE mu eee eee WE mu WE EE mu EE mu mu mu WE WE WE ME WE NE mu mu mu mu EE eee ME WE EE HE EE mu eee eee WE EE EE eee mu mu EE mu mu WE eee EE EE mu eee mu mu mu WE WE WE EE EE EE mu mu mu mu EE eee ME WE NE EE WE mu mu mu mu WE mu WE WE ME EE EE WE mu mu mu mu EE mu WE EE ME eee eee mE mu mu eee eee EE my mm mm EE EE EE WE EE EE EE EE WE EE EE EE EE WE EE EE WE EE WE mu WE WE EE EE mu WE mu WE WE EE WE mu EE EE WE WE EE WE mu WE mu mE mu mu WE WE wE WE mu WE mu EE WE EE WE mu EE WE EE WE mu ME mu WE WE mm WE mu WE EE mu WE mu EE mu WE WE mu WE WE WE mu EE WE mu WE mu EE WE mE WE EE EE WE EE mu mu WE mu EE WE mu WE mu mm WE mm WE mu WE EE EE WE mu WE mu EE mu mm mu mu WE mu HE WE mu WE mu EE WE WE mu mu WE WE EE WE mu WE mE WE WE wE WE mE EE mu WE WE mu EE WE WE mE mu mE mE wE mm mu mm mm WE MM EE EE EE EE WE EE WE EE EE WE EE WE EE EE WE EE EE WE EE WE EE WE WE WE WE HE EE EE WE WE EE EE WE EE E EE N WE WE EE WE EE WE EE EE WE WE N WE EE WE HE EE EE EE WE EE N WE WE WE WE WE WE WE WE EE EE WE EE eee WE EE N WE WE WE HE WE WE EE WE EE AAA mu EE EE EA Sobee PA OEE EEE 2 USE OF THE EQUIPMENT E Operative conditions forthe use of DICO UHXRV device It is recommended to use the DTCO UHXRV equipment only if there are the following requirements for its correct operation 1 Power supply specifications of the device Input voltage 1 P hase 220 242V AC Input power supply frequency 50 60Hz 2 Operating environment temperature for a c
22. HOGG AIDO The 2nd Generation Centralized Controller for Outdoor Units DTC O UHXRV Installation amp Operation Manual E Please keep this specifications Manual propery E Read this specifications Manual carefully before using the equip ment Centralized Controller DICO UHXRV Table Of Contents able of Conten PRESENTATION amp PRECAUTONS esse ees se ee sk ee E KEER EER EER R EER E REEN KAREE E RE REE EER REEN NEER EEN RE EEEE EER 3 1 INSIALLA TO N EE EE is INSF 1 2 USE OF THE EOUIPMENT esse esse se ees ke ee ask aaia EERS EE OPER 1 Table of Contents PRESENTATION amp PRECAUTIONS m Acknowledgments Thank you for your confidence in DTCO UHXRV 2nd Generation Centralized Controller for Outdoor Units of HO LIAIDO XRV Systems m Use of this Spec ification Manual This specification Manual describes the installation of Centralized Controller and the conditions of operating it For future reference please keep this Manual properly after the device s installation and testing E Available functions on DICO UHXRV device The functions which DTCO UHXRV device is able to carry out also depend on the available functions on PCB of the Outdoor Units which belong to the systems to be controlled The Outdoor Units must have on their Control PCB a NIM Module Network Interface Module Each Centralized Controller DTCO UHXRV is able to control and monitor up to max 32 Outdoor Units Therefore th
23. TCO UHXRV Centralized Controllers and of a PC provided with a BMS UHXRV Software package original software and specific for Building Management System and corresponding Hardware RS 485 RS 232 Converter 3 core shielded cables of necessary length and appropriate size the recommended size is of 1 0 mm according to the length required by installation for the connection of DTCO UHXRV devices each other signal lines F1 F2 E and for the connection between the first DTCO UHXRV and RS 485 gt RS 232 Converter 3 Embedded or at sight electric boxes according to the quantity required by installation depending on the number of DTCO UHXRV Centralized Controllers and provided with screw joints watertightness 4 Plastic hard pipes for electric wires whose total length is able to satisfy installation requirements 5 Nylon clamps for electric wires whose quantity is able to satisfy installation requirements Connection of DICO UHXRV to the power tansformer provided 1 DTCO UHXRV is powered by the power transformer included in the packaging 2 The output voltage of transformer is 9 5V DC The input voltage of transformer is 220V AC 3 The length of the output power cable of transformer is of 1 7m It is recommended not to make junctions on the cable to extend its length Therefore when the installation position of DTCO UHXRV is selected it is necessary to take into consideration the length of cable 4 At the end of
24. ction between the Centralized Controller and the NIM Module Network Interface Module of Outdoor Units to be controlled On this point Installers are reminded that the signal lines K1 K2 between DTCO UHXRV and the nearest Outdoor Unit and among the Outdoor Units are polarized therefore they should correspond properly at both sides Do not cross connect cables see the Figure below The same principles apply to F1 F2 signal lines between the DTCO UHXRV Centralized Controllers and between the first DTCO UHXRV and the RS 485 gt RS 232 Converter supplied with the BMS UHXRV Software Package for control and monitoring by PC oo me WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEE WEN WEN WEN WEN WEN WEN WEN WEN WEN WEE WEN WEE WEN WEN WEN WEE WEN WEN WEN WEE WEE WEE WEN WEE WEE WEE WEE WEN WEN WEN EEN WEN WEN WEN WEN WEE WEE WEE mm Pa gt 4 a a a e CORRECT connection e WRONG connection i gt EN a oO o_o HO 5 OM 5 te a a HO m Hole 7 0 I e 0 n O E A A A A A A e CORRECT correction e WRONG connection i a foo oo a 0 ee sole kol g HO
25. e position Four way valve for operation in Heating mode Four way If this indicator is ON this means that the Outdoor Units auxiliary 4 way valve ST2 valve ST2 is on the position for operation in Cooling mode in conditions of partial load OPER 16 E IN EE MEE bn eal Defrost Ifthis indicator is ON this means that the automatic defrosting is in progress reversal of refrigerant cycle from Heat to Cool Oil return If is indicator is ON this means that the procedure of compressors oil recovery from the refrigerant circuit is in progress 3 2 5 Indications referred to the operating parameters in QUERY Page Display As it has already shown previously by pressing PREVIOUS or NEXT button on DTCO UHXRV it is possible to switch over respectively up and down the addresses of the Outdoor Units Modules for which the query of the operating parameters can be carried out After selecting the Outdoor Unit s Module for which the query can be carried out the first page of the Operating parameters that can be displayed will appear In order to change over from one page to the following page or to the previous page om press respectively PAGE UP button Previous Page and PAGE DOWN button Following Page Page 0 of operating parameters Power kih If an Electrical Input Detector DTA IHXR is connected to the Outdoor Unit to HAH be queried this page
26. ed Controller DTC O UHXRV Part 1 Installation E Wiring 2 DTC IHXR Centralized Controllers for Outdoor Units and connection to Personal Computer gt Wiring between the Indoor Units and the Centralized Controllers 0000 Serial Connector RS232 oo Oo oo to be connected to PC DN E 1200 i Te VY 90 00 m 8 6 90 00 90 90 6 a vw El XT YT El X TE Ee ie PER vem PCB Nem PCB l gen RS485 e RS232 Converter supplied with BMS UHXRV Indoor Unit No 1 Indoor Unit No 2 Indoor Unit No 3 E1F1F2F2E ee PA 1200 To other Centralized Co
27. hing the PC and consequently the Control System even outside the building through a WAN Wide Area Network therefore also by connecting to the PC by Internet thus exceeding the limits set by the signal lines max length 3 The interactive mode between the Master device amp Slave device which occurs when there is a hierarchy between hardware components also applies to the communication between the DTC IHXR Centralized Controller and the Indoor Units and between the PC and the DTC IHXR In particular inside the LAN Local Area Network made up of the DTC IHXR and of the Indoor Units the DTC IHXR device is the Primary Equipment Master while the Indoor Units represent the Secondary Equipment Slave In the same way inside the LAN Local Area Network made up of the PC and of the DTC IHXR Centralized Controller the PC is the Primary Equipment Master while the DTC IHXR device Is the Secondary Equipment Slave The Figure in the following page is a simplified representation of the Control System previously described If one or several Indoor Units do not have a X Y E terminal block for the connection to the Control System that is if the PCB does not have a NIM Module Network Interface Module it will be necessary to purchase separately this network interface which is available as optional accessory NIM GRH OPER 2 En A OO EEE
28. his indicator is displayed in a dynamic and cyclic way gradual switching on of the indicator GFS followed by full switching off and so on to indicate that communication between DTCO UHXRV Centralized Controller and NIM Modules see above of the Outdoor Units occurs regularly This indicator is displayed if Lock function of buttons on DTCO UHXRV Centralized Controller is operating that is after pressing LOCK button The indicator disappears from the display if the function is cancelled that is after pressing LOCK button again OPER 11 selle A ME PER 3 2 2 Indicators in STANDBY Page Display EIE Meders This indicator refers to the total number of Modules in case of an installation ais composed of several Outdoor Units that are installed in combination each other from a min of 2 up to max 4 Units the indicator refers to each Outdoor Unit that belongs to the installation which are On line that is are powered connected to the signal network ofDTCO UHXRV and correctly addressed for being controlled by the Centralized Controller a HOutdoorunit his indicator refers to the total number of installations where each installation nine may also be composed of several Outdoor Units called Modules installed in combination each other which are On line that is are powered and connected to the signal network of DTCO UHXRV and where each Outdoor Unit of the installation is c
29. ion mode of the system Is the Cooling mode This symbol indicates that the current operation mode of the system is the Heating We N mode This symbol indicates that the current operation mode of the system is OFF that is OFF the compressor is not operating OPER 15 selle A MEE ER This indicator is displayed when Lock function in Cooling mode is operating for one or all Outdoor Units controlled by DTCO UHXRV Centralized Controller The indicator disappear from the display when Lock function is no more operating This indicator is displayed when Lock function in Heating mode is operating for one or ES all Outdoor Units controlled by DTCO UHXRV Centralized Controller The indicator O disappears from the display when Lock function is no more operating This indicator refers to fan speed on the selected Outdoor Unit In this case outdoor O Fan an fan works at LOW speed g Fan This indicator refers to fan speed on the selected Outdoor Unit In this case outdoor aal fan works at MIDDLE speed En This indicator refers to fan speed on the selected Outdoor Unit In this case fan speed Ho all Don works at HIGH speed COMP 1234 These indicators display the number of compressors which are operating now VALVE 12345678 These indicators display the number of soleinoid valves SV1 6 which are ON If this indicator is ON this means that the main 4 ways valve ST1 is on th
30. its and between the Indoor Units and the Centralized Controller for Indoor Units H1 H2 E among Outdoor Units installed in combination each other K1 K2 E among the Outdoor Units and between the Outdoor Units and the Centralized Controller for Outdoor Units F1 F2 E between the Personal Computer for Building Management System and the Centralized Controllers for Indoor Outdoor Units require the use of shielded cables having a min size of 1 0mm All wiring has a polarity that must correspond properly During installation do not cross connect cables The max allowed length for each signal line is of 1000m 2 For the survey of the electric consumptions of a given Outdoor Unit it is necessary a further connection O A lines between the Outdoor Unit and the optional device DTA IHXR Digital Ammeter specific only for that Outdoor Unit 3 Each Personal Computer through BMS UHXRV Package can manage up to max 16 Centralized Controller for Outdoor Units Each Centralized Controller for Outdoor Units can control up to 32 Outdoor Units 4 The parallel installation of 120Q resistances at each end of signal lines see the diagram above is no more strictly required as in the meantime the capacity of anti interference of the integrated control firmware in the Units in the EEPROM has improved mire s r 1 I I I 1 I I 1 Notes Outdoor Units a I P 5 ie 1 The power lines of each Ou
31. ntrollers H gt EE A 1 j te re h Ed VY VY 0000 GE 2000 J 0000 Hg BIRD leb ane sere tele N E E F2 Fi E Y X I DIE Fu Fi CJ ARE L Y ETIESE NEE PCB ee PCB NEM PCB NFM C Indoor Unit No 64 Indoor Unit No 63 Indoor Unit No 62 Wired Controller Centralized Controller No 1 for Indoor Units 1200 ANT Tin FR 1818 Soe lela saae STTel o LI Oo oo o ooo o Oo oo X Y E X Y E X Y E Fe lm
32. on sight installation of Centralized Controller on the fixing surface 4 Phillips roundheaded self tapping screws M4 x 15 2 pcs for eventual other kinds of fixing example sheet metal surfaces 5 120Q ohmic resistance pre wired at both ends to be installed at the ending and between the contacts K1 K2 in the connection terminal block of DTCO UHXRV connection to the Outdoor Units to be controlled 6 Current transformer for powering of DTCO UHXRV with bipolar male connector quick clutch Input voltage 220V AC Output voltage 9 5V DC 7 This Installation amp Operation Manual e Dimensions of Centralized Controller e Distances between fixing holes Height 120mm Ae C 85mm Width 120mm B e C 48mm Depth 20mm 33mm INST 3 Part 1 Installation Centralized Controller DIC O UHXRV MZ E i Tr In Me N GE fi LENGTH OF CABLE 1 7 METRES POWER CONNECTOR INST 4 Centralized Controller DTC O UHXRV Part 1 Installation m Installation assemblies not included in the packaging to be purchased on site Before starting the installation please purchase the following assemblies and material on site 1 3 core shielded cables of necessary length and appopriate size according to the length required by installation for the connection of DICO UHXRV to the Outdoor Units signal lines K1 K2 E to be controlled The recommended min size is of 1 0 mm 2 In case of several D
33. orrect operation of the device Temperature range 15 C 43 C RH conditions in the installation site 40 90 Organization of the information contained in this Manual In the following pages the following matters will be treated in depth 1 Composition amp Structure of Network Control System for air conditioning installations 2 Keywords amp General Function Description 3 Detailed description of electric control functions of Centralized Controller 4 Tables of Error and Protection Codes shown by DTCO UHXRV s display 4 Corresponding rules for Electromagnetic Compatibility EMC amp Safety OPER 1 Eed ek OE EEE 1 Composition amp Structure of Network Control System for airconditioning installations 1 The DTC IHXR device allows to carry out the Centralized Control of the operation and Monitoring of Indoor Units query about some operating parameters regular operating status malfunctions etc provided that DTC IHXR and the Indoor Units are connected each other in a signal network 2 The DTC IHXR Centralized Controller can be connected to a PC which must be equipped by a Special Software and by the PC it may interface with a Gateway Lonworks or BACnet thus belonging to a BMS System Building Management System therefore the DTC IHXR device carries out the Centralized Control and the Monitoring of the air conditioners In this way the air conditioners can be remote controlled by reac
34. orrectly addressed for being controlled by the Centralized Controlller Display of the address number assigned to DIC O UHXRV in STANDBY O EES In the lower part and on the right of STANDBY page display as it is shown in the next photo it is also displayed the address number assigned to DTCO UHXRV in the signal network for distinguishing it from other Centralized Controller if they are available As it has already shown previously the address number assigned to DTCO UHXRV in the signal network can be modified in the range from 16 to 31 by pressing repeatedly the ADDRESS button on the equipment until the display shows the desired address number The necessary condition is that DTCO UHXRV is powered Red LED ON OPER 12 selle Ee IN EE EE PER 3 2 3 Indicators displayed in SET Page Display SE If this indicator is ON this means that SET button has previously been pressed and that the Centralized Controller is now in SET mode This indicator refers to the address number of Module in case of an installation B Module Composed of several Outdoor Units installed in combination each other from a min of 2 up to max 4 Units the indicator refers to each Outdoor Unit that belongs to the installation which is currently selected among the Modules that are On line This indicator refers to the address of the Main Outdoor Unitin the Installation
35. regards the Outdoor Unit currently displayed If the Outdoor Unit currently displayed has the higher number among all Outdoor Units controlled by DTCO UHXRV if you press NEXT button the operating parameters of the Outdoor Unit having the lower number among all the Outdoor Units controlled by DTCO UHXRV are displayed t PAGE UP button In QUERY mode if you press PAGE UP button it is possible to get to the screen that displays the operating parameter immediately previous as regards the parameter currently displayed OPER 7 ES PA OE EEE for the Outdoor Unit previously selected If the operating parameter currently displayed is the first in the list of the displayed parameters If you press PAGE UP button the last operating parameter in the list of the displayed parameters for the Outdoor Unit previously selected Is displayed gt PAGE DOWN button In QUERY mode if you press PAGE DOWN button it is possible to get to the screen that displays the operating parameter immediately following as regards the parameter currently displayed for the Outdoor Unit previously selected If the operating parameter currently displayed is the last in the list of the displayed parameters if you press PAGE DOWN button the first parameter in the list of the displayed parameters for the Outdoor Unit previously selected is displayed IS SET button If the equipment is not in SET mode
36. rough DTCO UHXRV it Is possible the following e To monitor the operation of the Outdoor Units that are connected to the signal network therefore to immediately display the main operation parameters for each Unit that is for example fan speed operation state of compressors state of SV valves opening of expansion valves EXV state of main 4 ways valve ST1 and auxiliary 4 ways valve ST2 automatic defrost oil recovery from refrigerant circuit instant energy consumption kWh pilot frequency of Inverter compressor total number of Indoor Units connected to the Outdoor Unit temperature on heat exchanger outside air temperature outlet temperature of compressors current values of compressors e To force operation mode to Cooling mode so as to prevent Users from selecting a different operation Presentation amp Precautions mode by using the Indoor Units remote controllers e To allow the consumptions recording of each Outdoor Unit so as to allocate easily and equitably the energy costs of air conditioning systems This function is available only in case of installation of the Electricity Absorption Detector on each Outdoor Unit whose consumptions you want to record e To display the Error Codes referred to eventual Malfunctions and Protection Functions on the Outdoor Units connected to the Centralized Controller s signal network E Appearance and functions of DICO UHXRV device e This DTCO UHXRV Centralized Controller is eq
37. ssing with a pointed article LOCK button when standby WW screen is displayed If lock function is operating the indicator 8 is displayed To cancel lock function press LOCK button again the indicator will disappear from the display t ADDRESS button As it has been already seen in Part 1 Installation on the same signal network there can be up to max 16 DTCO UHXRV Centralized Controllers provided that only one address is assigned to each Centralized Controller the same address must not be assigned to one or several DTCO UHXRV Centralized Controllers The address setting method variable from 16 to 31 the default address is 16 can be carried out by pressing repeatedly this microswitch ADDRESS until in the lower part and on the right of the display s screen the desired address number is displayed OPER 9 Part 2 Use of the Equipment Centralized Controller DICO UHXRV 3 2 Outline of indicators on DTC O UHXRV s display pe EE EE EE EE EE EE EE es EE es EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE eee eee eee eee eee
38. tdoor Units in combination displayed only on Main Outdoor Unit H2 F ault of communication between the integrated control circuit for network connection and the integrated circuit for System Control e Table of Protection Codes PD Procedure actvation fr oll return from refigerantcreut Pa Compressor Curent rd Protection ONO compresson Discharge High pressure Protection a Inverter Compressor High Temperature P rotection OPER 22 selle A MEE ET 4 Regulations for Hectomagnetic Compatbility and Safety 1 This DTCO UHXRV Centralized Controller respects the Regulations for Electromagnetic Compatibility EMC Low Voltage Directive LVD and conforms with CE Standards see CE Declaration of Conformity in the following page 2 This DTCO UHXRV Centralized Controller respects the Regulations on the Safety of Electric Equipments GB4706 32 2004 and GB T 7725 2004 OPER 23 C DECLARATION OF CONFORMITY We ermal Sr 14 Via della Salute 40132 Bologna Italy DEC LARE UNDER OUR SOLE RESPONSIBILITY that HO AIDO Product DICO UHXRV Centralized Controller conforms to the following Directives Hectromagnetic Compatibility Directive EMC 2004 108 EC e Low Voltage Directive LVD 2006 95 EC e Harmonized Rules EN55014 1 2000 A1 20014 A2 2002 EN61000 3 2 2000 EN61000 3 3 1995 A1 2001 EN55014 2 1997 A1 2001 Category Il EN60335 2 40 2003 A 11 2004 EN50336 2003 gt esident i
39. tdoor Unit must be connected at first to DTA IHXR Digital Ammeter To RS 485 RS 232 Converter a and then to the power terminal block of Outdoor Unit The cable size for the power lines depends and to other Centralized Controllers 1 on the capacity of the Outdoor Unit 7 i 2 Each Centralized Controller for Outdoor Units can control up to 32 Outdoor Units 1 I i I I 1200 _ E 1200 I l NG a ne mi Sit Ena Boa a ae 3 IAN I 5 pee ee 5 aus 8 7 AAA 1 ia sl EE 25 28 a HEE E p 202 be ee 35 ee LE ETE 35 s y 5 EEEE all oe eit m ES S EE of 5 8 Centralized Controller i I 2 3 elelelelelo El olelelele Gl Os 25 olelelele slelelele da No 1 for Outdoor Units I i i AB CN ER AB CIN H JA IB ICIN AB CIN I DTCO UHXRV I I A B CIN H AIBICIN LH AB ICIN H AIBICN H a I EJE El SeT 516 eee Ie 4 da I gt n T y i I I DTA IHXR DTA IHXR DTA IHXR DTA IHXR 1 I I I E TER Et aad lele i I ABC AB C ABC ABC I I I 380 415V 380 415V 380 415V 380 415V 1 I N 3Ph 50Hz N 3Ph 50Hz N 3Ph 50Hz N 3Ph 50Hz i I I I I E 1 I 1 I 1 I 1 I 1 I 1 I 1 I 1 I 1 I 1 yl I 1 I I I I J 1 J 1 I 1 I 1 I 1 I I I I I 1 I Notes Outdoor Units A 1 The power lines of each Outdoor Unit must be connected at first to DTA IHXR Digital Ammeter 1 I and then to the power terminal block of Outdoor Unit The cable size for power lines depends on the i capacity of the Outdoor Unit 1
40. the output cable of transformer there is a bipolar male connector of proprietary type quick clutch It must be connected to the corresponding female connector pre wired on DTCO UHXRV as it is shown in the following page 5 The clutch between the connectors foresees a security system composed of 2 pressure side tabs INST 5 Centralized Controller DTC O UHXRV Part 1 Installation SO as to prevent the accidental disconnection of wiring Centralized Controller DTCO UHXRV Power transformer Input 220V AC Output 9 5V DC 2 pole Power Supply Connectors m Addressing of each DICO UHXRYV in the signal network 1 Each DTCO UHXRV Centralized Controller can control up to max 32 Outdoor Units 2 On the same signal network there can be up to max 16 DTCO UHXRV Centralized Controllers provided that a different address is assigned to each Centralized Controller the same address must not be assigned to two different DTCO UHXRV Centralized Controllers 3 The addressing variable from 16 to 31 the default address is 16 is carried out by pressing repeatedly with a pointed article the ADDRESS microswitch see the Figure below until in the standby screen down on the right the desired address is displayed INST 6 4 Each time ADDRESS button is pressed with a pointed article the address assigned to DTCO UHXRV increases by steps of one Unit according to the sequence shown below 16
41. ton when standby s screen is displayed If lock function is operating the indicator is displayed To cancel lock function press LOCK button again The indicator B will disappear from the display 2 5 Lock of Cooling mode by DTC O UHXRV If a special option is activated called Forced Cooling itis possible to prevent from selecting by the Indoor Units remote controller any operation mode incompatible with the Cooling mode If this happens the Indoor Unit will work in Fan only mode However if Forced Cooling option is activated on DTCO UHXRV the operation mode of one or several Indoor Units can be changed by using a DTC IHXR Centralized Controller for Indoor Units present on the signal network In this case the operation settings that have been selected by DTC IHXR take the priority over Forced Cooling function activated on DTCO UHXRV 2 6 Display of Outdoor Unit s insta nt consumption by DICO UHXRV In QUERY mode see further on among the parameters that can be displayed on each Outdoor Unit controlled by DTCO UHXRV there is also the instant electric consumption expressed in kWh This parameter can be displayed if an Electrical Inout Detector DTA IHXR specific for that Outdoor Unit is installed OPER 5 Ipment Use of the Equi Part 2 Centralized Controller DIC O UHXRV 3 Detailed specification of parts amp functions of the equipment 3 1 Outline of DIC O UHXRV s buttons
42. uipped with a LCD display which is able to display Simultaneously or in sequence a great amount of information e The push button panel is protected by a cover with simplified opening for access to buttons e Moreover on DTCO UHXRV there is a Red LED that indicates that the Centralized Controller is powered by the provided transformer m For further information and or eventual explanations In case of doubt or whatever need referred to the operation of DTCO UHXRV Centralized Controller please contact the Dealer who provided the device and or the air conditioning systems Presentation amp Precautions Centralized Controller DTC O UHXRV Part 1 Installation 1 INSTALLATION Y Note In the wiring diagrams in the following pages there is the RS 485 e RS 232 Converter However this component and its wiring are required only in case the Control System is connected to a PC where the BMS UHXRV Software Package has been installed A PC can manage up to max 16 DTCO UHXRV Centralized Controllers and 16 DTC IHXR Centralized Controllers each DTCO UHXRV can control and monitor up to max 32 Outdoor Units while each DTC IHXR can control and monitor up to 64 Indoor Units DTCO UHXRV DTC IHXR Centralized Controllers on network differ from other controllers for the address which cannot be duplicated assigned to each one for DTCO UHXRV you can assign an address in the range 16 31 while for DTC IHXR you can assign an address in the range
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