Climaveneta Technical Bulletin BRAT_MC 3_EN Condensing units 5,63 35,8 kw (The photo the unit is indicative and may change depending on the model) Flexibility Adaptability SL supersilenced version available
SUMMARY. UNIT DESCRIPTION p. 3.. Modelli e versioni 4.. Accessori 5. ELECTRONIC CONTROLLER 6 3. TECHNICAL DATA 7 3.. 3V General technical data 7 3.. 4V General technical data 8 3.3. SL 4V General technical data 9 5. OPERATING LIMITS 6. ELECTRICAL DATA 6.. 3V Electrical data 6.. 4V Electrical data 6.3. SL 4V Electrical data 7. FULL LOAD SOUND LEVE 3 8. DIMENSIONAL DRAWINGS 4 9. CLEARANCES HOISTING SYMBOLS 4. SIZE AND POSITION OF CONNECTIONS 5. HEIGHT DIFFERENCE FOR CORRECT CONNECTION PROCEDURE 5. REFRIGERANT LINE SIZING 6 Company quality system certified to UNI EN ISO 9 and environmental certification UNI EN ISO 4 Waiver liability This publication represents a preliminary document, and is the sole property Climaveneta. Any reproduction or disclosure such is strictly prohibited without the written authorisation Climaveneta. This document has been prepared with maximum care and attention paid to the content shown. Nonetheless, Climaveneta waives all liability deriving from the use such document. Read this document carefully. All work must be performed, components selected and materials used pressionally and in complete accordance with the legislation in force in material in the country concerned, and considering the operating conditions and intended uses the system, by qualified personnel. The data contained in this publication may be changed without prior notice. BRAT_MC 3_EN HFC 4A
. UNIT DESCRIPTION Outdoor splitsystem unit working with R4A refrigerant for connection with direct expansion coils or remote exchangers, with hermetic rotary scroll compressor and axialflow fans. External panels and basement and base in galvanised sheet steel with paint finish. Structure Structure specifically designed for outdoor installation. Base, frame and panelling in hotgalvanised shaped sheet steel with a suitable thickness. All parts polyesterpowder painted to assure total weather resistance, fers maximum ease access to the internal components. Coil protection grill (sizes 6). Compressors Hermetic scroll compressors complete with an oil sump heater, electronic thermal protection with centralised manual reset and a twopole electric motor. Soundpro hood in high density rubber. Heat source side heat exchanger Finned coil exchanger made from copper tubes and aluminium fins. The aluminium fi ns are correctly spaced to guarantee optimum heat exchange efficiency. Finned coil comprising copper tubes and aluminium fins with a large heat exchange area, fully tested against leaks with dry air at 3 bar. Certification, Reference Standard The unit complies with the following directives and relative amendments: Machinery Directive 6/4/EC E.C.D. 89/336/EEC + 4/8/EC Low Voltage Directive 6/95/EC Pressure Equipment Directive 97/3/EC. Mod. A. TÜV Italia 948 (sizes 7 ). HSW5 Electronic Controller The HSW5 device is the new Climaveneta controller for the management condensing units. The new 4digit display fers clear reading the variables in play, while the 4 symbols give an immediate view machine states for system diagnostics. The 4 keys can be used to navigate the tree menu, access to which is passwordprotected for maximum security. The electronic controller incorporates a series protection algorithms in order to prevent damage being done to the main system components. The most important includes parameters concerning compressor startup times in order to prevent overfrequent starting times (minimum delay after last stop and minimum delay after last start). Condensation control is managed by modulating the air flow through the condensation coils by varying the ventilation speed. This allow to increase the unit s efficiency as well as improve the system quietness. Heat source side fan section Ventilation system comprising axial electric fans with a diameter 45 mm or 63 mm (depending on the model), protected to IP54, featuring an external rotor, plasticcoated aluminium blades and a safety mesh. 6pole electric motor with builtin thermal protection. Continuous fan rotation speed adjustment. Cooling circuit Main components the cooling circuit: dryer filter refrigerant line sight glass with humidity indicator high and low pressure switches check valve high pressure transducer compressor oil sump heater Electric and control panel Electric and control panel, built to EN 64/EC 4 standards, complete with: control circuit transformer general door lock isolator (sizes 7 only) phase sequence voltage control (sizes 7 ) automatic circuit breakers and contactors for compressor remote ON/OFF terminals connection terminals for dual setpoint energysaving function alarm signalling terminals terminals for signalling compressor start status phasecut board for managing ventilation fuses compressor start capacitor (singlephase unit only) IP54 protection class HSW5 electronic controller displaying temperatures, pressures and machine operating conditions. 3 BRAT_MC 3_EN HFC 4A
.. Models and versions B Standard unit 6 SL Supersilenced unit for outdoor installation. This unit performs a reduced fans speed rotation in order to minimize the noise emissions 9 7 The BRATMC appliances are units operating on R4A and refrigerant are suitable for outdoor installation. The units are CE marked, as established by the EU directives, including the latest amendments, and the corresponding approximated national legislation. They are factory tested and on site installation is limited to refrigerant and electrical connections. Electrical panel Control panel 3 Low pressure switch 4 High pressure switch 5 Liquid and moisture indicator 6 Scroll compressor 7 Axialflow fan 8 Filter 9 Outside heat exchanger Refrigerant connections Pressure test points for maintenance 4 8 5 6 3 7 7 SL 7 9 7 9 4 6 3 8 5 4 6 3 8 5 4 BRAT_MC 3_EN HFC 4A
.. Accessories ACCESSORIES DESCRIPTION BENEFIT HSW remote keyboard kit Wall mounting keyboard for remote unit's control and status display Allows the remote control the unit and display all the system operating conditions (control parameters, pressure and temperature values) 6 7 SL 7 X X X Finned coil protective grilles X X X Rubber insulators kit Rubber insulators X X X Switch kit Switch kit with electrical board for outdoor installation with IP65 pront panel protection Simplifies the intallartion operations X 5 BRAT_MC 3_EN HFC 4A
. ELECTRONIC CONTROLLER The HSW5 device is the new Climaveneta controller for the management aircooled units. The new 4digit display fers clear reading the variables in play, while the 4 symbols give an immediate view machine states for system diagnostics. The 4 keys can be used to navigate the tree menu, access to which is passwordprotected for maximum security. The controller integrates the Full Floating function which allows the units to be used even in the absence inertial storage boilers. The algorithm, in fact, assures ideal operating conditions by modifying the control parameters, thus varying the speed the system pump and the aperture the outlet valve, as well as the temperature setpoint the unit. The latter characteristic can be used to adapt operating conditions in order to reduce the frequency compressor startups during the periods in which the heat demand from the rooms to condition is limited. As a result, the presence inertial storage boilers becomes superfl uous and it is therefore possible to eliminate the direct purchase and installation cost, thus limiting the size the system. The electronics also incorporates a series protection algorithms in order to prevent damage being done to the main system components. The most important include parameters concerning compressor startup times in order to prevent overfrequent starting times (minimum delay after last stop and minimum delay after last start). To prevent the water inside the plate exchanger from freezing and breaking it, the control electronics also blocks the compressor if the temperature the water measured by the probe leaving the exchanger is lower than a protection setpoint (antifreeze setpoint). There is also a water fl ow alarm activated by differential pressure switches installed standard on the unit, or by optional fl ow switches that can be added to the system during installation. Condensation control is managed by modulating the air flow through the condensation coils by varying the ventilation speed. There are also two energysaving functions (ECONOMY and COMFORT) that manage a temperature setpoint either in a fi xed way, or dynamically according to the temperature the water produced on the system side. To enable this function, connect an additional temperature probe to the unit, position it in the external air (accessory) and also the relative confi guration parameters the control algorithm. This function can also be used to improve the level comfort by continually optimising the ambient according to external environmental conditions. 6 BRAT_MC 3_EN HFC 4A
3. TECHNICAL DATA 3. 3V General technical data SIZE 5 5 3 3 4 BRATMC/3 /B COOLING () Cooling capacity kw 5,63 6,65 7,53 9,6,7 Total input (unit) kw,86,3,45 3,37 3 4, EER,95 3, 3,,8 3, ESEER Heat exchanger water flow m /h Heat exchanger pressure drop kpa COMPRESSORS capacity circuits Type regulation ONOFF O F ONOFF OF F ONOFF O F ONOFF O F ONOFF OFF Minimum capacity steps % Type refrigerant R4A R4A R4A R4A R4A Refrigerant charge kg. Oil charge kg. FANS Air flow Singol input m /s kw,95,86,99,99,9,5,5,5,5,5 NOISE LEVELS () Total sound db(a) 65 66 6 66 6 66 6 69 Total sound pressure db(a) 34 35 35 35 38 DIMENSIONS AND WEIGHTS (3) Length Width Height Weight kg. 9 37 64 8 9 37 64 85 9 37 94 9 37 94 5 9 37 4 5 Saturated intake temperature 5 C Condensation temperature (in) 35 C Sound on the basis measurements made in compliance with ISO 964 and Eurovent 8/ for Eurovent certified units; in compliance with ISO 3744 for noncertified units Average sound pressure level, at (m.) distance, unit in a free field on a reflective surface; nonbinding value obtained from the sound level 3 Standard configuration Not available 7 BRAT_MC 3_EN HFC 4A
3.. 4V General technical data SIZE 5 3 3 4 4 5 6 6 7 BRATMC /B COOLING () Cooling capacity kw 6,8 7,53 9,33,7 4, 6,5,8 Total input (unit) kw,4,43 3, 4,7 4,7 5,34 6,89 EER 3,5 3,3,9,95 3, 3, 3, ESEER Heat exchanger water flow m /h Heat exchanger pressure drop kpa COMPRESSORS capacity circuits Type regulation ONOFF O F ONOFF OFF ONOFF O F ONOFF O F ONOFF OFF ONOFF OFF ONOFF OFF Minimum capacity steps % Type refrigerant R4A R4A R4A R4A R4A R4A R4A Refrigerant charge kg. Oil charge kg. FANS Air flow Singol input m /s kw,86,99,99,9,73,86,4,5,5,5,5,5,5,6 NOISE LEVELS () Total sound db(a) 66 6 66 6 66 6 69 69 69 76 Total sound pressure db(a) 35 35 35 38 38 38 45 DIMENSIONS AND WEIGHTS (3) Length Width Height Weight kg. 9 37 64 85 9 37 94 9 37 94 5 9 37 4 5 9 37 4 45 9 4 39 55 45 555 45 SIZE 9 9 BRATMC /B COOLING () Cooling capacity kw 3,5 9,5 35,8 Total input (unit) kw 7,95 8,86 8,4 EER,94 3,3 3,4 ESEER Heat exchanger water flow m /h Heat exchanger pressure drop kpa COMPRESSORS capacity circuits Type regulation ONOFF O F ONOFF OF F ONOFF OFF Minimum capacity steps % Type refrigerant R4A R4A R4A Refrigerant charge kg. Oil charge kg. 3 3 4 FANS Air flow Singol input m /s kw,4 4,38 4,38,6,6,6 NOISE LEVELS () Total sound db(a) 76 79 79 Total sound pressure db(a) 45 47 47 DIMENSIONS AND WEIGHTS (3) Length Width Height Weight kg. 45 55 5 45 55 5 7 3 45 55 5 7 35 Saturated intake temperature 5 C Condensation temperature (in) 35 C Sound on the basis measurements made in compliance with ISO 964 and Eurovent 8/ for Eurovent certified units; in compliance with ISO 3744 for noncertified units Average sound pressure level, at (m.) distance, unit in a free field on a reflective surface; nonbinding value obtained from the sound level 3 Standard configuration Not available 8 BRAT_MC 3_EN HFC 4A
3.3. SL 4V General technical data SIZE 7 7 9 BRATMC /SL COOLING () Cooling capacity kw,,7 7,8 33,4 Total input (unit) kw 6,9 8,3 8,8 8,8 EER,9,84 3,6,83 ESEER Heat exchanger water flow m /h Heat exchanger pressure drop kpa COMPRESSORS capacity circuits Type regulation ONOFF O F ONOFF OF F ONOFF O F ONOFF OFF Minimum capacity steps % Type refrigerant R4A R4A R4A R4A Refrigerant charge kg. Oil charge kg. 3 3 4 FANS Air flow Singol input m /s kw 3 3,,,98,98,5,5,5,5 NOISE LEVELS () Total sound db(a) 74 74 76 76 Total sound pressure db(a) 43 43 444 444 DIMENSIONS AND WEIGHTS (3) Length Width Height Weight kg. 45 55 45 45 55 5 5 45 55 7 3 45 555 7 35 Saturated intake temperature 5 C Condensation temperature (in) 35 C Sound on the basis measurements made in compliance with ISO 964 and Eurovent 8/ for Eurovent certified units; in compliance with ISO 3744 for noncertified units Average sound pressure level, at (m.) distance, unit in a free field on a reflective surface; nonbinding value obtained from the sound level 3 Standard configuration Not available 9 BRAT_MC 3_EN HFC 4A
5. OPERATING LIMITS BRATMC operating range Outside air temperature Evaporation temperature BRAT_MC 3_EN HFC 4A
6. ELECTRICAL DATA 6. 3V Electrical data Maximum values SIZE Compressor Fans () Total () () n F.L.I. [kw] F.L.A. L.R.A. F.L.I. [kw] F.L.A. F.L.I. [kw] F.L.A. L.R.A.,8 8,6 58,5,64,7,6 6 58,9 9, 6,5,64,7,76 6 6 5 5,4,88 8,5,64,77 7 3,36 6 8 3 3 3,3 5, 97,5,64 3,67 6,56 6 97 4 4 3,8 8, 3,5,64 4,3, 3 F.L.I.: Full load F.L.A.: Full load current L.R.A.: Locked rotor amperes for single compressor S.A.: Inrush current () () Values calculated referring to the version with the maximum number fans working at the max absorbed current () Safety values to be considered when cabling the unit for supply and lineprotections Power supply: 3//5 Voltage tolerance: % Maximum voltage unbalance: 3% Give the typical operating conditions units designed for outdoor installation, which can be associated (according to reference document IEC 67) to the following classes: climatic conditions class 4K4H: air temperature range from up to 55 C (*), relative humidity range from 4 up to %, with possible precipitations, at air pressure from 7 and 6 kpa and a maximum solar radiation W/m special climatic conditions negligible biological conditions class 4B and 4C: locations in a generic urban area mechanically active substances class 4S: locations in areas with sand or dust representative urban areas mechanical conditions class 4M: locations protected from significant vibrations or shocks The required protection level for safe operation, according to reference document IEC 659, is IP43XW (protection against access, to the most critical unit's parts, external devices with diameter larger than mm and rain). The unit can be considered IP44XW protected, i.e. protected against access external devices (with diameter larger than mm) and water in general. (*) for the unit s operating limits, see selection limits section BRAT_MC 3_EN HFC 4A
6.. 4V Electrical data Maximum values SIZE Compressor Fans () Total () () n F.L.I. [kw] F.L.A. L.R.A. F.L.I. [kw] F.L.A. F.L.I. [kw] F.L.A. L.R.A.,9 3,6 3,5,64,7 5,6 3 5 5,3 3,8 35,5,64,67 5,36 35 3 3 3, 5,3 48,5,64 3,37 6,86 6 48 4 4 3,9 7, 64,5,64 4,4 9,3 64 5 5 4,4 7,7 7 64,5,64 4,9 9,9 64 6 6 4,9 8,4 74,5,64 5,4,6 6 74 7 7 6,,, 95,6,8 7,35 8,4 4 95 9 9 7,,3 3,6,8 8,35 9,6 6 7,5 4,7 7 88,6,8 9,5 5,5 5 8 9,9 7,6 6 4,6,8,65,65 8,4 4 6.3. SL 4V Electrical data Maximum values SIZE Compressor Fans () Total () () n F.L.I. [kw] F.L.A. L.R.A. F.L.I. [kw] F.L.A. F.L.I. [kw] F.L.A. L.R.A. 7 7 6,, 95,5,64 7,5 6, 95 9 9 7,,33,5,64 8,5 7,4 4 7,5 4,77 8 8,5,64 8,5,5 8 9,9 7,6 6 4,5,64,9 9 3,4 4 F.L.I.: Full load F.L.A.: Full load current L.R.A.: Locked rotor amperes for single compressor S.A.: Inrush current () () Values calculated referring to the version with the maximum number fans working at the max absorbed current () Safety values to be considered when cabling the unit for supply and lineprotections Power supply: 3//5 Voltage tolerance: % Maximum voltage unbalance: 3% Give the typical operating conditions units designed for outdoor installation, which can be associated (according to reference document IEC 67) to the following classes: climatic conditions class 4K4H: air temperature range from up to 55 C (*), relative humidity range from 4 up to %, with possible precipitations, at air pressure from 7 and 6 kpa and a maximum solar radiation W/m special climatic conditions negligible biological conditions class 4B and 4C: locations in a generic urban area mechanically active substances class 4S: locations in areas with sand or dust representative urban areas mechanical conditions class 4M: locations protected from significant vibrations or shocks The required protection level for safe operation, according to reference document IEC 659, is IP43XW (protection against access, to the most critical unit's parts, external devices with diameter larger than mm and rain). The unit can be considered IP44XW protected, i.e. protected against access external devices (with diameter larger than mm) and water in general. (*) for the unit s operating limits, see selection limits section BRAT_MC 3_EN HFC 4A
7. FULL LOAD SOUND LEVEL SOUND POWER Octave band [Hz] Total sound SIZE 63 5 5 5 4 8 level Sound level db(a) 3V 65 66 67 6 6 56 47 39 65 3V 66 67 68 63 6 57 48 4 66 5 3V 66 67 68 63 6 57 48 4 66 3 3V 66 67 68 63 6 57 48 4 66 4 3V 68 7 7 66 65 6 5 44 69 4V 66 67 68 63 6 57 48 4 66 5 4V 66 67 68 63 6 57 48 4 66 3 4V 66 67 68 63 6 57 48 4 66 4 4V 68 7 7 66 65 6 5 44 69 5 4V 68 7 7 66 65 6 5 44 69 6 4V 68 7 7 66 65 6 5 44 69 7 4V 8 75 73 75 7 66 6 57 76 9 4V 8 75 73 75 7 66 6 57 76 4V 83 78 76 78 75 69 63 6 79 4V 83 78 76 78 75 69 63 6 79 7 SL 76 75 74 7 7 65 57 5 74 9 SL 76 75 74 7 7 65 57 5 74 SL 79 76 74 75 7 66 6 56 76 SL 79 76 74 75 7 66 6 56 76 Working conditions Saturated intake temperature 5 C Condensation temperature (in) 35 C Sound on the basis measurements made in compliance with ISO 964 and Eurovent 8/ for Eurovent certified units; in compliance with ISO 3744 for noncertified units Such certification refers specifically to the sound Power Level in db(a). This is therefore the only acoustic data to be considered as binding. SOUND PRESSURE LEVEL Octave band [Hz] at m Total sound SIZE 63 5 5 5 4 8 level Sound pressure level db(a) 3V 34 35 36 3 3 5 6 8 34 3V 35 36 37 3 3 6 7 9 35 5 3V 35 36 37 3 3 6 7 9 35 3 3V 35 36 37 3 3 6 7 9 35 4 3V 37 39 4 35 34 9 3 38 4V 35 36 37 3 3 6 7 9 35 5 4V 35 36 37 3 3 6 7 9 35 3 4V 35 36 37 3 3 6 7 9 35 4 4V 37 39 4 35 34 9 3 38 5 4V 37 39 4 35 34 9 3 38 6 4V 37 39 4 35 34 9 3 38 7 4V 49 44 4 44 4 35 9 6 45 9 4V 49 44 4 44 4 35 9 6 45 4V 5 46 44 46 43 37 3 8 47 4V 5 46 44 46 43 37 3 8 47 7 SL 45 44 43 4 39 34 6 43 9 SL 45 44 43 4 39 34 6 43 SL 47 44 4 43 4 34 8 4 44 SL 47 44 4 43 4 34 8 4 44 Working conditions Saturated intake temperature 5 C Condensation temperature (in) 35 C Average sound pressure level, at (m.) distance, unit in a free field on a reflective surface; nonbinding value obtained from the sound level 3 BRAT_MC 3_EN HFC 4A
8. DIMENSIONAL DRAWINGS C W = E = W B 9 W4 A W3 6 4 D Dimension 5 3 4 5 6 7* 9* * * A mm 9 9 9 9 9 9 9 45 45 45 45 B mm 64 64 94 94 4 4 39 7 7 C mm 37 37 37 37 37 37 4 55 55 55 55 D mm 58 58 58 58 58 58 58 497 497 497 497 E mm 4 4 4 4 4 4 45 477 477 477 477 Weight distribution 5 3 4 5 6 7* 9* * * W rear R kg 3 3 37 39 47 54 59 79 8 3 8 W rear L kg 4 4 8 4 43 54 54 W3 front L kg 3 4 6 9 39 4 5 5 W4 front R kg 4 6 3 33 39 47 49 75 75 7 7 tot kg 75 8 95 4 5 35 38 35 3 * The values refer both to standard units and the unit in the low noise version (SL) 9. CLEARANCES HOISTING SYMBOLS WARNING Electrical current! 9 WARNING Sharp surface! WARNING Fans! 6 4 HOISTING INSTRUCTIONS Make sure all the panels are securely fastened before handling the unit. Before hoisting, check the weight the unit on the CE rating label. Use all the hoisting points indicated, and no others, Use equal length cables or slings. Use a spreader bar (not included) Handle the unit with care and without sudden or jerky movements. 4 BRAT_MC 3_EN HFC 4A
. SIZE AND POSITION OF CONNECTIONS Size 3 4 56 79 A (mm) 9,5 9,5 9,5 93 45 B (mm) 4 5 C (mm) 4 gas connection (mm/inch) 65/8 83/4 83/4,77/8 8 liquid connection (mm/inch) 9,53/8 9,53/8 9,53/8 5,95/8 8 MOD. 9 MOD. LIQUID VALVE B C B A GAS VALVE C A. HEIGHT DIFFERENCE FOR CORRECT CONNECTION PROCEDURE MAXIMUM HEIGHT DIFFERENCE Fig. 3 6 Meter MAXIMUM HEIGHT DIFFERENCE Fig. Fig. 5 BRAT_MC 3_EN HFC 4A
. REFRIGERANT LINE SIZING CONNECTION PIPE SIZING IN RELATION TO EQUIVALENT DISTANCE (up to 4 mt.) Model 5 3 4 5 6 7 9 Type line 3 m eq. Gas Ø mm 6 6 6 6 8 8 8 8 8 Liquid Ø mm 4 4 4 4 4 6 6 Type line 34 m eq. Gas Ø mm 8 8 Liquid Ø mm 6 6 6 6 6 8 8 The connection pipes between the condensing unit (outside) and air handling unit (inside) must have the correct diameter to avoid loss warranty. Avoid tight bends in the pipes (the radius curvature should be at least equal to the diameter the pipe). R4A CHARGES PER LINEAR METRE OF PIPING Pipe diameter 4 6 8 8 Type line Gas gr./m 9 39 64 5 Liquid gr./m 59 9 6 9 N.B.: Important: when gas is added, lubrication oil must also be added in a ratio % weight the refrigerant gas. COIL VOLUMES AND THEORETICAL R4A REFRIGERANT CHARGES Model 5 3 4 5 6 7 9 Finnedcondenser coil volume dm 3,4, 3, 3,,9 4, 5 6,4 6,4 9,4 9,4 Indicative gas content (R4A). Kg,,7,6,3,3 3, 3,7 4, 4,8 5,9 6 N.B.: The weight gas specified in the table is purely indicative. 6 BRAT_MC 3_EN HFC 4A
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