condensing units MDH / DH, MDF / DF series ondensing units ondensing units with inbuilt control board, to be connected to refrigerated cabinets and special evaporating units... intarbox entrifugal condensing units from 1/2 to 5 HP with inbuilt control board and electronic regulation with remote control keyboard to control the evaporating unit. entrifugal condensing fan. Inbuilt control and board. Electronic control with remote keyboard to control the evaporating unit. Low-noise compact condensing units from 1/2 to 10 HP for outdoor installation, with inbuilt control board and electronic regulation with remote control keyboard to control the evaporating unit. hanks to their triple acoustic insulation, Sigilus units are found among the most silent units in market and, thanks to their tropicalised design, they are really suitable to work under extreme ambient temperature. ropicalised design for ambient temperature up to 50º. riple acoustic insulation. Inbuilt control and board. Electronic control with remote keyboard to control the evaporating unit. -multi Low-noise compact condensing units up to 10 HP with Variable Refrigerant apacity system to centralize cooling production of a set of evaporating units. VR system for gradual cooling capacity regulation from 100% to 10%. 55 61
centrifugal condensing units technology in refrigeration intarbox Description ondensing units for positive and negative temperature applications, with centrifugal condensation fan, inbuilt control board and electronic regulation with digital condensing temperature control. entrifugal fan intarbox condensing units include centrifugal fans for a ducted outlet of condenser s hot air. Features R404 refrigerant. Hermetic reciprocating compressor, mounted on shock absorbers, with internal klixon. ondensing coil in copper pipes and aluminium fins. entrifugal motorfans with available static pressure for a ducted outlet of condenser s hot air. vailable static pressure (mmca) 30 20 ondensing pressure digital control. Refrigeration circuit equipped with high and low pressure switches, ceramic dehydratant filter, liquid receiver, sight glass and solenoid valve. 10 1 2 3 4 Full control and panel, with M switch for compressor and motorfan, and electronic control keyboard. 1000 2000 3000 4000 ir flow (m³/h) Refrigeration scheme P Electronic control intarbox condensing units feature an advanced electronic control as standard, to control both, condensing and evaporating units. P PP DI S R V M MV VD RL FL VL V V RD S SD LE Electronic board inbuilt in the condensing unit with 6 relays to control: compressor, centrifugal condensation fan, liquid solenoid valve, evaporating fans, defrost and alarm signal. Digital control of condensation temperature. P: OMPRESSOR RD: DEFROSING HEER LE Multifunctional electronic keyboard. MV: MOORFN : EVPORING UNI MOORFN D: FL: ONDENSOR DEHYDRN FILER S: SD: OLD ROOM EMPERURE PROE DEFROSING PROE ack-flow damper (optional) VL: RL: SIGH GLSS LIQUID REEIR LE: DI: LMP DIGIL INPU back-flow damper in each unit allows the connection of all extraction air outlets to a common duct. : SOLENOID VL V: M: 3-WYS SERVIE VL (connections up to 3/4 ) ELERONI MIROONROLLER S: R: OIL SEPROR (as option) RNKSE HEER (as option) : M SWIH ND ONOR (in 400V-III models) Installation intarbox condensing units are designed to give service to an evaporating unit, they include every regulation and control element, except for the expansion valve. SD S ONDENSION IR DU ondensation air flow common duct entrifugal condensing units, with back-flow dampers, can be connected to a common duct. his common duct allows the extraction of the hot air flow from all condensing units M VX M: S: ONROL KEYORD EVPORING EMPERURE PROE RD SD: DEFROSING PROE VM VX: VM: EXPNSION VL MOORFN RD: DEFROSING HEER 62 56
centrifugal condensing units MDH-F / DH-F series pplications intarbox centrifugal condensing units for positive and negative temperature applications have been developed to give service to an evaporating unit, they include a full control and board. hey are designed to drive outwards the condensation hot air through ducts, so they can be installed indoors in places with low natural ventilation, such as small engine rooms, suspended ceilings or wherever an excessive reheated air is to be avoided (like in kitchens). echnical features 50 Hz, R404 Series / model HP ompressor 35º ambient temperature 45º ambient temperature type* supply ooling capacity (W) at evaporating temperature: -15º -10º -5º 0º -15º -10º -5º 0º Nominal consump. (kw)* Max. absorbed current () ondenser vailable pressure (mmca) air flow (m3/h) ooling Weight connections (kg) Liq-Gas SPL d()* MDH-F-1014 1/2 H 230V-I 720 885 1075 1290 594 730 890 1060 0,68 5,7 4,5 575 1/4-1/2 42 30 MDH-F-1016 5/8 H 230V-I 800 990 1200 1440 650 800 1020 1170 0,75 6,2 4,5 575 1/4-1/2 50 33 MDH-F-1018 3/4 H 230V-I 960 1180 1430 1710 770 950 1150 1420 0,92 7,5 4,5 575 1/4-1/2 51 34 POSII EMPERURE MDH-F-2024 1 H 230V-I 1310 1630 1995 2400 935 1190 1460 1760 1,08 9,6 4,5 1150 3/8-5/8 54 36 MDH-F-2026 1.25 H 230V-I 1475 1850 2260 2730 1060 1360 1675 2010 1,30 10,3 4,5 1150 3/8-5/8 55 38 MDH-F-2034 1.5 H 230V-I 1995 2300 2800 3355 1350 1690 2060 2630 1,73 13,5 4,5 1150 3/8-5/8 55 40 MDH-F-3034 1.5 H 230V-I 2060 2550 3090 3710 1550 1935 2350 2815 1,74 13,7 10 1500 3/8-5/8 74 39 MDH-F-3038 1.75 H 400V-III 2175 2760 3420 4175 1595 2030 2530 3090 1,63 6,0 10 1500 3/8-5/8 71 40 MDH-F-4048 2 H 400V-III 3010 3880 4890 6050 2250 2960 3780 4730 2,42 12,5 10 3500 3/8-3/4 95 37 MDH-F-4054 2.25 H 400V-III 3540 4500 5615 6895 2670 3450 4345 5380 2,61 13,0 10 3500 3/8-3/4 96 37 MDH-F-4060 3 H 400V-III 3970 5020 6220 7580 3025 3860 4810 5890 3,06 14,0 10 3500 3/8-3/4 97 36 MDH-F-4068 3.5 H 400V-III 4580 5725 7030 8510 3530 4445 5480 6650 3,42 15,4 10 3500 1/2-3/4 98 36-35º -30º -25º -35º -30º -25º DH-F-1026 3/4 H 230V-I 420 640 920 270 450 680 0,77 6,8 4,5 575 1/4-1/2 51 37 DH-F-1034 1.25 H 230V-I 600 790 1010 415 555 720 1,00 8,8 4,5 575 1/4-1/2 52 40 NEGI EMPERURE DH-F-2034 1.25 H 230V-I 660 890 1160 470 650 860 1,06 9,3 4,5 1150 3/8-5/8 55 41 DH-F-2054 1.75 H 230V-I 825 1200 1640 485 795 1150 1,55 13,0 4,5 1150 3/8-5/8 68 42 DH-F-2074 2.5 H 230V-I 1100 1535 2040 670 1015 1410 1,92 17,3 4,5 1150 3/8-5/8 68 43 DH-F-3074 2.5 H 230V-I 1235 1695 2235 795 1165 1600 1,97 17,6 10 1500 3/8-5/8 87 43 DH-F-3086 3 H 400V-III 1545 2030 2580 1125 1500 1930 1,95 7,8 10 1500 3/8-5/8 73 40 DH-F-3096 3.5 H 400V-III 1690 2290 3020 1070 1500 2030 2,25 8,7 10 1500 3/8-3/4 85 50 DH-F-4108 4.25 H 400V-III 2240 3100 4120 1520 2200 4950 3,00 15.0 10 3500 3/8-7/8 107 50 DH-F-4136 5 H 400V-III 2760 3750 4950 1910 2690 3630 3,97 17,9 10 3500 3/8-7/8 107 48 Optionals Oil separator. nticorrosion coil coating. ack-flow damper in fan outlet. Expansion valve (separately). Rectangular to circular duct adaptor. Proportional control of condensing temperature (models 4000). * Nominal technical features are related to -10º and -30º evaporation temperature and 35º ambient temperature, with superheat 10K and subcooling 3K. SPL: Sound pressure level shown in d() at 10 metres distance from the source in free field. ompressor type according to the nomenclature: H = hermetic reciprocating compressor. Dimensions Exhaust duct D E Dims. en mm D E 1000 series 665 435 416 215 118 2000 series 835 435 500 216 126 3000 series 925 580 515 236 266 Recommended size for 20 m long steel, PV or fiberglass ducts (each elbow equals 5 m length). For flexible or semiflexible duct use a larger size. 1000 series: 200x200 or Ø 200 mm 2000 series: 250x250 or Ø 250 mm 3000 series: 300x250 or Ø 300 mm 4000 series: 400x300 or Ø 400 mm 4000 series 1000 615 585 305 266 57 63
low-noise condensing units technology in refrigeration Description ondensing units at positive and negative temperature, in a low-noise construction, featuring an hermetic reciprocating compressor with noise insulation and a compact condenser coil with a low-speed axial motorfan. Inbuilt electronic control board. Solenoid valve. Features R404 refrigerant. Hermetic reciprocating compressor, mounted on shock absorbers, with noise insulation, discharge muffler, internal klixon and crankcase heater. Electronic control Sigilus condensing units feature an advanced XWING electronic control as standard to control both, condensing and evaporating units. Large surface condensing coil, in copper pipes and aluminium fins, tropicalised for ambient temperature up to 50º. Low-speed motorfans, mounted on nozzles, dynamically balanced blades and external protection grille. Proportional control of condensation temperature by mean of fan speed control. Refrigeration circuit equipped with high and low pressure switches, ceramic dehydratant filter, liquid receiver, sight glass and solenoid valve. Full control and panel, with compressor and motorfan protection, and electronic controller. Inbuilt control board in condensing unit with 6 relays to control compressor, condensation centrifugal fan, solenoid valve, evaporator fan, defrosting heater cable and alarm signal. Multifunction electronic keyboard to remote control. Standard components Refrigeration and electric scheme P: MV: D: OMPRESSOR MOORFN ONDENSER V P PPP P DI FL: VL: RL: DEHYDRN FILER SIGH GLSS LIQUID REEIR MV S VD RL R FL VL V V M RD S SD LE R: : V: VD: V: P: RNKSE HEER SOLENOID VL SERVIE VL SEURIY VL (from 1 HP compressor ) VOLGE REGULOR (except for 1000 series) HIGH PRESSURE SWIH V P: LOW PRESSURE SWIH M: ELERONI MIROONROLLER Large surface L-shape condensing coil * ntivibratory structure to hold the motorfan Electronic control board with magnetothermal protection Proportional control of condensation temperature by fan speed control : MGNEOHERML SWIH ND ONOR (in 400V-III models) Evaporating unit connections RD: DEFROSING HEER : EVPOROR MOORFN S: OLD ROOM EMPERURE PROE SD: DEFROSING EMPERURE PROE LE: OLD ROOM LIGH DI: DIGIL INPU FOR REMOE SOP Optional components S: OIL SEPROR (from 2000 series) 64 58 Low-speed and low-noise axial motorfan coustic insulated compressor compartment Discharge muffler Hermetic compressor with noise insulation * I-shape coil in 1000 series Electromechanical regulation Sigilus condensing units are also available in a classical version with electromechanical control by suction pressure (pump down). Oil separator (optional) Sigilus condensing units, when connected to one evaporating unit, do not normally need an oil separator. It is recommended for piping longer than 30m, nevertheless, an adequate circuit design is needed to guarantee the return of oil.
low-noise condensing units MDF-NF / DF-NF series pplications Sigilus condensing units are designed for outdoor installation to give service to one evaporating unit at postive and negative temperature. hey include an inbuilt control and board. Its low-noise construction and tropicalised design is the answer to the most discerning needs in commercial and industrial refrigeration installations. echnical features 50 Hz, R404 Series / model HP ompressor 35º ambient temperature 45º ambient temperature Nominal Max. absorbed ooling capacity (W) at evaporating temperature: type* consump. current supply -15º -10º -5º 0º -15º -10º -5º 0º (kw)* () ondenser vailable pressure air flow (m3/h) ooling Weight connections (kg) Liq-Gas SPL d()* MDF-NF-1014 1/2 H 230V-I 790 1015 1290 1615 610 800 1020 1290 0,71 5,1 Ø360 1700 1/4-1/2 59 20 MDF-NF-1016 5/8 H 230V-I 910 1170 1490 1870 670 910 1170 1480 0,76 5,6 Ø360 1700 1/4-1/2 67 23 MDF-NF-1018 3/4 H 230V-I 1140 1430 1780 2185 880 1110 1390 1710 0,92 6,7 Ø360 1700 1/4-1/2 68 24 MDF-NF-1024 1 H 230V-I 1345 1725 2160 2660 970 1275 1620 2010 1,06 8,5 Ø360 1700 3/8-5/8 82 24 POSII EMPERURE MDF-NF-1026 1.25 H 230V-I* 1515 1950 2440 3010 1105 1460 1850 2300 1,26 9,2 Ø360 1700 3/8-5/8 83 27 MDF-NF-1034 1.5 H 230V-I* 1905 2425 3020 2710 1400 1910 2280 2815 1,69 12,4 Ø360 1700 3/8-5/8 83 29 MDF-NF-1038 1.75 H 400V-III 2235 2905 3700 4615 1650 2170 2790 3520 1,60 4,6 Ø450 3200 3/8-5/8 82 30 MDF-NF-2048 2 H 400V-III 2850 3690 4665 5780 2105 2780 3590 4475 2,09 6,3 Ø450 3700 3/8-3/4 84 30 MDF-NF-2054 2.25 H 400V-III 3360 4290 5360 6590 2500 3240 4095 5080 2,29 6,8 Ø450 3700 3/8-3/4 85 30 MDF-NF-2060 3 H 400V-III 3970 5020 6220 7580 3025 3860 4810 5890 2,70 7,8 Ø450 3700 3/8-3/4 88 29 MDF-NF-2068 3.5 H 400V-III 4480 5600 6880 8320 3430 4320 5320 6460 3,10 9,2 Ø450 3700 1/2-3/4 88 29 MDF-NF-3086 4 H 400V-III 5130 6570 8260 10200 3830 4950 6260 7800 3,37 9,6 Ø450 4000 1/2-7/8 115 39 MDF-NF-3108 5 H 400V-III 6540 8590 10550 13090 4870 6330 8050 10080 4,50 13,0 2xØ450 6500 1/2-7/8 120 37 MDF-NF-4136 6.5 H 400V-III 8550 10740 13270 16170 6530 8270 10285 12600 5,99 16,4 2xØ450 7000 1/2-1 1/8 135 36-35º -30º -25º -35º -30º -25º DF-NF-1026 3/4 H 230V-I 510 700 925 360 505 680 0,81 6,2 Ø360 1700 1/4-1/2 67 27 DF-NF-1034 1.25 H 230V-I 675 910 1195 485 670 995 1,04 8,2 Ø360 1700 3/8-5/8 83 30 NEGI EMPERURE DF-NF-1054 1.75 H 230V-I* 860 1240 1605 520 835 1200 1,54 11,9 Ø360 1700 3/8-5/8 93 32 DF-NF-1074 2.5 H 230V-I* 1190 1695 2300 750 1165 1660 1,92 16,3 Ø360 1700 3/8-5/8 93 33 DF-NF-1086 3 H 400V-III 1500 2030 2650 1090 1505 1990 1,94 6,7 Ø450 3200 3/8-5/8 84 27 DF-NF-2096 3.5 H 400V-III 1690 2370 3220 1070 1575 2220 2,25 7,6 Ø450 3700 3/8-3/4 97 40 DF-NF-2108 4.25 H 400V-III 2095 2915 3890 1380 2020 2775 2,65 8,6 Ø450 3700 3/8-7/8 97 38 DF-NF-2136 5 H 400V-III 2670 3640 4820 1825 2585 3500 3,62 11,7 Ø450 3700 3/8-7/8 97 34 DF-NF-3215 7.5 H 400V-III 4200 5780 7660 2670 3930 5430 5,30 16,2 2xØ450 6500 1/2-1 1/8 147 40 DF-NF-3271 10 H 400V-III 5800 7835 10245 4025 5600 7475 7,00 20,8 2xØ450 6500 1/2-1 1/8 147 40 Optionals Dimensions Power supply change to 400V-III-50Hz. nticorrosion coil coating. oil protection grille. Oil separator. Expansion valve (separately). Proportional control of condensing temperature (models 1000). * 400V-III-50Hz supply is also available for MDF-NF-1026 and 1034 and for DF-NF-1054 and 1074 models. Nominal technical features are related to -10º and -30º evaporation temperature and 35º ambient temperature, with superheat 10K and subcooling 3K. SPL: Sound pressure level shown in d() at 10 metres distance from the source in free field. ompressor type according to the nomenclature: H = hermetic reciprocating compressor. Dimensions (mm) 1000 series 1030 373 577 2000 series 1080 416 827 3000 series 1150 456 1097 4000 series 1150 456 1347 65 59
multi condensing units technology in refrigeration -multi Description Features Refrigeration scheme Sigilus-multi ondensing units to give service to multiple evaporating units in positive and negative temperature applications, in a low-noise construction with variable cooling capacity control. 400V-III-50Hz supply. R404 refrigerant. VR system for cooling capacity regulation. Hermetic reciprocating compressor, with noise insulation adn discharge muffler, mounted on shock absorbers, with internal klixon. Oil separator (except for 1000 series). Large area condensing coil, in copper pipes and aluminium fins, tropicalised for ambient temperature up to 50º. Low-speed motorfans, mounted on nozzles, dynamically balanced blades and external protection grille. Proportional control of condensation temperature by fan speed control. Refrigeration circuit equipped with high and low pressure switches, ceramic dehydratant filter, liquid receiver, sight glass and solenoid valve. Full control and panel, with compressor and motorfan magnetothermal protection. V P P PR P S P VR VR Variable Refrigerant apacity system Sigilus-multi condensing units are equipped with the VR (Variable Refrigerant apacity) system, which adapts the refrigerant flow to the demand of the evaporating units, by keeping constant the pressure in suction line. VR system is composed by a set of pressure and temperature regulation valves able to progressively change compressor s cooling capacity from 100% to 10% of its nominal capacity, while reducing the absorbed electrical. P abs 10% 30Hz inverter compressor 70Hz VR P f 100% VR system features: lowest cost capacity control in the market, it is exclusively composed by mechanical components with great reliability, it keeps constant the evaporation pressure, it protects the compressor from motor reheat risk, it keeps the compressing ratio between the secure operating margins. Sigilus-multi condensing units, equipped with VR system, are able to centralize the cooling production of several services, keeping constant the pressure as well as the refrigerant temperature in every evaporating unit. Installation example P: MV: D: FL: VL: RL: S: MV D OMPRESSOR MOORFN ONDENSER DEHYDRN FILER SIGH GLSS LIQUID REEIR OIL SEPROR VD RL : VD: V: PR: P: P: FL VL V SERVIE VL SEURIY VL VOLGE ONROL REGULION SWIH HIGH PRESSURE SWIH LOW PRESSURE SWIH Sigilus-multi units are specifically designed to centralize the cooling production of a set of evaporating units operating at positive or negative temperature, by progressively adapting the refrigerant flow to the needs. REFRIGERED SHOWSES 0º REFRIGERED DISPLYS 0º INE 10º ev -10º -20º -30º -40º 10% POSII EMPERURE NEGI EMPERURE VR P f 100% VR system can be easily set for a minimum evaporation pressure. Our factory settings give the following minimum evaporation temperatures: positive temperature units: -13º negative temperature units: -35º When the cooling demand is under 10% of the nominal capacity, the evaporation pressure curve falls to the minimum value allowed by the compressor, switching the low pressure switch off ( and points) and switching off the compressor. Sigilus-multi condensing units are designed to switch on and off the unit depending on the low pressure value (pump-down). he compressor run can be also controlled by an external on/off switch. Different temperature evaporating units 66 60 : HERMOS : EXPNSION VL : VP: VP SOLENOID VL ONSN PRESSURE VL When there are several services operating at different temperature values in the same refrigeration circuit, the evaporating units operating at higher temperature should be equipped with constant pressure valves (VP) in their suction line.
multi condensing units MDF-VF / DF-VF series pplications Sigilus-multi condensing units with variable refrigerant capacity system, at positive and negative temperature, integrate in a compact construction a small refrigerant plant with one compressor able to give service to a set of evaporating units. hey are specially recommended to give service to small commercial installations, centralizing the cooling production of several cold rooms, refrigerated showcases, refrigerated displays and cabinets... echnical features 400V-III-50 Hz, R404 Series / model HP ompressor 35º ambient temperature 45º ambient temperature type* supply ooling capacity (W) at evaporating temperature -15º -10º -5º 0º -15º -10º -5º 0º Nominal consump. (kw)* Max. absorbed current () ondenser vailable pressure (mmca) air flow (m3/h) ooling Weight connections (kg) Liq-Gas SPL d()* MDF-VF-1038 1.75 H 400V-III 2235 2905 3700 4615 1650 2170 2790 3520 1,60 4,6 Ø450 3200 3/8-5/8 80 30 POSII EMPERURE MDF-VF-2048 2 H 400V-III 2850 3690 4665 5780 2105 2780 3590 4475 2,09 6,3 Ø450 3700 3/8-3/4 80 30 MDF-VF-2054 2.25 H 400V-III 3360 4290 5360 6590 2500 3240 4095 5080 2,29 6,8 Ø450 3700 3/8-3/4 82 30 MDF-VF-2060 3 H 400V-III 3970 5020 6220 7580 3025 3860 4810 5890 2,70 7,8 Ø450 3700 3/8-3/4 88 29 MDF-VF-2068 3.5 H 400V-III 4480 5600 6880 8320 3430 4320 5320 6460 3,10 9,2 Ø450 3700 1/2-3/4 88 29 MDF-VF-3086 4 H 400V-III 5130 6570 8260 10200 3830 4950 6260 7800 3,37 9,6 Ø450 4000 1/2-7/8 115 39 MDF-VF-3108 5 H 400V-III 6540 8590 10550 13090 4870 6330 8050 10080 4,50 13,0 2xØ450 6500 1/2-7/8 120 37 MDF-VF-4136 6.5 H 400V-III 8550 10740 13270 16170 6530 8270 10285 12600 5,99 16,4 2xØ450 7000 1/2-1 1 / 8 135 36-35º -30º -25º -35º -30º -25º DF-VF-1086 3 H 400V-III 1500 2030 2650 1090 1505 1990 1,94 6,7 Ø 450 3200 3/8-5/8 84 27 NEGI EMP. DF-VF-2096 3.5 H 400V-III 1690 2370 3220 1070 1575 2220 2,25 7,6 Ø 450 3700 3/8-3/4 97 40 DF-VF-2108 4.25 H 400V-III 2095 2915 3890 1380 2020 2775 2,65 8,6 Ø 450 3700 3/8-7/8 97 38 DF-VF-2136 5 H 400V-III 2670 3640 4820 1825 2585 3500 3,62 11,7 Ø 450 3700 3/8-7/8 97 34 DF-VF-3215 7.5 H 400V-III 4200 5780 7660 2670 3930 5430 5,30 16,2 2xØ450 6500 1/2-1 1 / 8 147 40 DF-VF-3271 10 H 400V-III 5800 7835 10245 4025 5600 7475 7,00 20,8 2xØ450 6500 1/2-1 1 / 8 147 40 Optionals Dimensions 1000 and 2000 series nticorrosion coil coating. oil protection grille. 3000 and 4000 series * Nominal technical features are related to -10º and -30º evaporation temperature and 35º ambient temperature, with superheat 10K and subcooling 3K. SPL: Sound pressure level shown in d() at 10 metres distance from the source in free field. ompressor type according to the nomenclature: H = hermetic reciprocating compressor. Dimensions (mm) 1000 series 1030 373 577 2000 series 1080 416 827 3000 series 1150 456 1097 4000 series 1150 456 1347 67 61