Chiller units and air-water heat pumps Cooling capacity: Heating capacity: 6, to 6,6 kw 8, to 69,4 kw ENVIRONMENTALLY FRIENDLY HFC R407C PROTECTION DE L'ENVIRONNEMENT Silent and compact design Air-conditioning solution where an outdoor installation is impossible DESCRIPTION Heat pumps and cooling units - ITB series are external air/water units of compact construction designed for indoor installation. These units produce cold and/or hot water, suitable for heating, cooling installations as well as for industrial applications. Equipped with centrifugal fan and plates exchanger. All units are tested and checked in factory. SERIES Series Air-condensed chillers. ITB Series Air-water reversible heat pump. RANGE Units with cooling circuit, compressor, 4 models: / 95 / 0 / 55. Units with cooling circuit, compressors, models: 95 / 55 / 5. OPERATING LIMITS SERIES ITB HEAT AIR PUMP WATER (outlet T) AIR COOLING WATER ( o utlet T) M AX. M IN. M AX. M IN. M AX. M IN. M AX. MIN. º C WB -7º CWB 55º C 0º C º C 4º C➀ 5º C 5º C➁ º C 4º C➀ 5º C 5º C➁ ➀ With condensing pressure control operating up to -7ºC WB. ➁ Minimum outlet temperature. For operating until -5ºC, glycol water is required. AIR CONDITIONING - HEATING - REFRIGERATION - AIR HANDLING - HEAT EXCHANGE - NA 08.65 A - N 6405 P
DESIGNATION series model example ITB-95 I = heat pump R = coolingonly unit TB - air-water units centrifugal fan plates exchanger reversible heat pump air wate r-unit with centrifugal fan model UNITS COMPOSITION Standard equipment - Anticorrosion casing in galvanized metal plate covered with a polyester and varnish lacquer. Chassis support. External circuit - Centrifugal fan(s) driven by motor or by belts and pulleys. - Coil with crimped aluminium fins and copper tubes. - Condensates drain pan. Internal circuit - Exchanger with stainless steel welded plates thermically isolated. Cooling circuit - Piston hermetic compressor with internal protection, mounted on antivibratory supports, with gas discharge silencer. - Crankcase heater (ITB serie). - Thermostatic expansion valve, with external equalization. - Antiacid dryer filter. - Liquid vessel (ITB series). - Four ways reverse valve (ITB series). Protections - HP and LP pressostats. - Water flow control by differential pressostat in - ITB model, and with flow switch in - ITB models 95 to 5. - Anti-frost protection, integrated in the control. - Main door switch. - Automatic circuit switch. - Motor fans and compressors circuits protection devices by circuit breaker fuse(s). - Fan thermal protection(s). Electrical panel - Complete electrical panel, totally wired. - General ground plug. - Compressor(s) and motor fan(s) contactor(s). Models to 55: S55E electronic control (consult manual) Control system by microprocessor equipped with: Control board Control of operating parameters and safeties management. Failures diagnosis. Anti-short-cycle timing. Defrosting in reversible units. Electronic thermostat: AQUAGES N Operating modes: cooling or heating. Display on LCD screen of the functions and configuration of unit operation in each moment. Introduction of the set point and operation mode. Memorization of operation parameters before lack of voltage. Alarm display. Models 95 to 5: GESCLIMA+ electronic control (consult manual) Control system by microprocessor equipped with: Control board Control of operating parameters and safeties management. Temperature probe for defrosting operation. Anti-short-cyle timing. Self-adapting control of compressor operating time, reducing the number of start-ups of the compressor and therefore reducing the power consumption and increasing the life span of components. It also allows to reduce the buffer tank size. Set point offset depending on external temperature. Possibility of communication with a building management system BMS with Modbus protocol. Electronic thermostat: DOMO Operating modes: cooling or heating. Operating parameters modification (set points, differential and timings). Time and daily scheduling. Night reduction mode. Alarm display by codes. Options - Coil of copper tubes and aluminium fins with polyurethane coating. - Options for control and controls. - Compressor acoustic isolation. - Condensing pressure control. - Air filter. - Flexible hydraulic connections. - Rubber anti-vibratory supports. 4 AIR CONDITIONING - HEATING - REFRIGERATION - AIR HANDLING - HEAT EXCHANGE - NA 08.65 A - N 6405 P
TECHNICAL CHARACTERISTICS ITB - SERIES 95 0 55 95 55 5 Cooling Capacities Heating Capacities Cooling capacity ➀ ( kw) 6, 8, 5, 9 0, 8 7, 0 8 6, 6 Power input ➂ ( kw) 7, 6 8, 9, 8 4, 6 7, 7, 7 9, EER Performance,,, 0,,, 0, Heating capacity ➁ ( kw) 8, 0, 9 7, 0 4, 7 4, 8 54, 0 69, 4 Power input ➂ ( kw) 7, 8,,, 8 6,, 7, COP Performance, 5, 6, 4, 5, 6, 4, 5 Nominal water flow (m / h), 8, 4, 5, 6, 4 8, 0, 6 Internal circuit External circuit Pressure drop (m.w.g.), 8,, 6, 5, 5, 8, 8 Number of circuits W ater inlet connection /4" /4" /" /" /" " " W ater outlet connection /4" /4" /" /" /" " " Nominal air flow (m / h) 6.500 7.000 0.000.00 4.000 0.000 4.400 Avail. static. pressure (mm.w.g) 7 7 8 7 8 Fan type CENTRIFUGA L Number Motor power (kw),, 5, ➄ x, 5 x, x➄ r.p.m. 60 678 650 67 678 650 67 Type PISTON HERMETIC Compressor Number of compressors Number of circuits Maximum power input Refrigerant ( R-4 07c) 0 V / III ph / 50 Hz (A), 7 4, 5, 7 6, 9 8, 0, 4 5, 8 400 V / III ph / 50 Hz (A) 5, 7 5, 6 4, 9 5, 64 85, 8 load (kg), 5, 6 5, 8 7, 7 7, 4, 6 4, 7 ITB load (kg), 5, 6 5, 8 7, 7 7, 4, 6 4, 7 Climate warming potential (CWP) ➃ 65, 5 Length (mm).74.74.0.0.6.704.704 Dimensions Width (mm) 88 88 877 877 88 8 8 Height (mm).7.7...7.. Weight (kg) 45 95 8 70 50 600 695 ITB (kg) 50 0 40 8 56 66 708 ➀ Cooling capacity for a water outlet temperature of 7 ºC and 5 ºC of outdoor temperature. ➁ Heating capacity for a water outlet temperature of 50 ºC and 6 ºC WB of outdoor temperature. ➂ Total power input by compressor(s) and motorfans in nominal conditions. ➃ Climate warming potential of one kg of greenhouse-effect fluored gas relative to one kilogram of carbon dioxide over a period of 00 years. ➄ In these models with vertical discharge it is necessary to change fan. AIR CONDITIONING - HEATING - REFRIGERATION - AIR HANDLING - HEAT EXCHANGE - NA 08.65 A - N 6405 P 5
MAXIMUM CURRENTS (A) Chiller units and air-water heat pumps - ITB SERIES 95 0 55 95 55 5 COMPRESSOR EXTERNAL FAN TOTAL 0 V / III ph / 50 Hz 9 5 4 5 x5 x4 x5 400 V / III ph / 50 Hz 7 6 x x7 x6 0 V / III ph / 50 Hz 4, 7 6, 8, 7, 9 x6, x8, 7 x, 9 400 V / III ph / 50 Hz, 7, 6 5 6, 9 x, 6 x5 x 6, 9 0 V / III ph / 50 Hz, 7 4, 5, 7 6, 9 8, 0, 4 5, 8 400 V / III ph / 50 Hz 5, 7 5, 6 4, 9 5, 64 85, 8 ELECTRICAL WIRING THE CONNECTIONS TO EXECUTE ARE THE FOLLOWING ONES: Nº DESCRIPTION 95 0 55 95 55 5 POWER SUPPLY 0 V / III ph / 50 Hz (±5%) 400 V / III ph / 50 Hz (±5%) + GND + N + GND THERMOSTAT CONNECTION x mm NOTE: If the unit is going to be installed in an industrial ambient with high level of EMC interferences, it is recommended to shield the wires of the control thermostat. NOTE: In 95 / 55 / 5 models the cooling/heating control is of two stages. NOTE: The installer should plan two wires of 0,75 mm in order to install an ON/OFF switch external to the unit. In ITB units, it is also necessary to provide three wires of 0,75 mm in order to install a cooling/heating switcher. CONTROL - ITB SERIES 95 0 55 95 55 5 COOLING CONTROL (ITB / ) HEATING CONTROL (ITB) ANTIFROST SAFETY (ITB / ) º C - º C 45 º C 45 - º C º C º C NOTE: Manufactured control: it is necessary to verify the water flow checking that the inlet and water outlet temperatures are between the operating limits. Other control values are allowed once verified that the flow and the temperatures are within the operating limits. 6 AIR CONDITIONING - HEATING - REFRIGERATION - AIR HANDLING - HEAT EXCHANGE - NA 08.65 A - N 6405 P
SOUND LEVEL GIVEN FOR 0 MMWG AVAILABLE PRESSURE Global sound pressure level at 5 meters from the unit, at.5 meters from the ground, in free field, directivity, with inlet and outlet connected to the duct: - ITB 95 0 55 95 55 5 db(a) 50 50 54 54 56 57 57 Global sound power level at the inlet (values to be taken into account for the calculatións of the silencers): - ITB 95 0 55 95 55 5 db(a) 74, 4 76, 8, 8, 79, 84, 86, Global sound power level at the outlet (values to be taken into account for the calculatións of the silencers): - ITB 95 0 55 95 55 5 db(a) 8 8 84 84 84 84 90 When planning the installation,take into consideration the location (residential area, housings, industrial area...) and if the radiated noise from the unit is higher than the noise estimated for the installation: An acoustic study. An appropriate acoustic treatment if necessary. Implementation precautions. COOLING CAPACITY (kw) Units compressor / stage / circuit ITB Chilled water outlet temperature in ºC Pf EXTERNAL AIR TEMPERATURE 9 ºC º C 5 º C 8 º C 40 º C º C Pa Pf Pa Pf Pa Pf Pa Pf Pa Pf Pa -4,00 5,50 0,60 5,60 0,0 5,75 9, 5,95 9,60 6,05 9,0 6,0 Glycol water -,0 5,70,70 5,,0 5,90 0, 6,0 0,60 6,5 0,0 6,40 0,0 5,90,70 6,00,0 6,0,90 6,0,60 6,45,0 6,60 4,0 6,0, 6,0,40 6,0,90 6,5,60 6,60,0 6, 5 5, 6,40 5,40 6,50 5,00 6,60 4,50 6, 4,0 7,00,60 7,0 6 6,40 6,50 5,90 6,60 5,50 6,70 5,00 6,90 4,70 7,0 4,0 7,0 Pure water 7 6,90 6,60 6,50 6,70 6,0 6, 5,60 7,00 5,0 7,0 4,60 7,40 8 7,50 6,70 7,00 6, 6,60 6,90 6,0 7,0 5, 7,0 5,0 7,50 0 8,70 6, 8,0 6,90 7, 7,00 7,0 7,5 6, 7,50 6,0 7,70 9,90 6,90 9,40 7,00 8,90 7,0 8,0 7,45 7,90 7,70 7,0 7, Pf: Cooling capacity in KW Pa: Power input by the compressor. These values can be interpolated, but never extrapolated AIR CONDITIONING - HEATING - REFRIGERATION - AIR HANDLING - HEAT EXCHANGE - NA 08.65 A - N 6405 P 7
DIMENSIONS SCHEMES / ITB / / 95 HORIZONTAL DISCHARGE H I J B P O C N R M Q F K L G S Condensates draining Gas thread M /4" E Keep this space free for installation and maintenance D A MODEL A B C D E F G H I J K L M N O P Q R S / 95.74 88.7 5 70 9.6 45, 5 475 6, 5 850 9 476 5 408 50 0, 5 LEGEND: AIR FLOW POWER SUPPLY AND ELECTRICAL PANEL WATER INLET WATER OUTLET Note: All models have 4 drills (8 mm diameter) for antivibratory - supports AIR CONDITIONING - HEATING - REFRIGERATION - AIR HANDLING - HEAT EXCHANGE - NA 08.65 A - N 6405 P
/ ITB - 0 / 55 HORIZONTAL DISCHARGE H I J B P O N C R M Q K L F G S Condensates draining Gas thr ead M/4" E Keep this space free for installation and maintenance D A MODEL A B C D E F G H I J K L M N O P Q R S 0 / 55.0 877. 5 759.8 9 7, 5.7 6, 5.7 8 790 6 94 00 50 0, 5 LEGEND: AIR FLOW POWER SUPPLY AND ELECTRICAL PANEL WATER INLET WATER OUTLET Note: All models have 4 drills (8 mm diameter) for antivibratory - supports AIR CONDITIONING - HEATING - REFRIGERATION - AIR HANDLING - HEAT EXCHANGE - NA 08.65 A - N 6405 P
/ ITB - 95 HORIZONTAL DISCHARGE H I J K B Q P O C S N R L M T Condensates draining Gas thread M/4" F G 750mm 000mm E 000mm D A Keep this space free for installation and maintenance MODEL A B C D E F G H I J K L M N O P Q R S T 95.6 87, 5.7 5 70 9.0 45, 5 475 9 6, 5.88 9 506 408 56 0, 5 LEGEND: AIR FLOW POWER SUPPLY AND ELECTRICAL PANEL WATER INLET WATER OUTLET Note: All models have 4 drills (8 mm diameter) for antivibratory - supports 4 AIR CONDITIONING - HEATING - REFRIGERATION - AIR HANDLING - HEAT EXCHANGE - NA 08.65 A - N 6405 P
/ ITB - 55 / 5 HORIZONTAL DISCHARGE H I J K B L M Q P O N C S R T Condensates draining Gas thread M/4" F G 750mm 000mm E 000mm D A Keep this space free for installation and maintenance MODEL A B C D E F G H I J K L M N O P Q R S T 55 / 5.704 8. 5 759 9.646 7, 5.7 47 6, 5.8 8 790 6 94 00 50 0, 5 LEGEND: AIR FLOW POWER SUPPLY AND ELECTRICAL PANEL WATER INLET WATER OUTLET Note: All models have 4 drills (8 mm diameter) for antivibratory - supports AIR CONDITIONING - HEATING - REFRIGERATION - AIR HANDLING - HEAT EXCHANGE - NA 08.65 A - N 6405 P 5
/ ITB - / 95 / 0 / 55 VERTICAL DISCHARGE (OPTIONAL) H I J O P N C R M Q K L F G S B Condensates draining Gas thread M /4" E Keep this space free for installation and maintenance D A MODEL A B C D E F G H I J K L M N O P Q R S / 95.74 88.7 5 70.6 9 45, 5 475 6, 5 850 9 476 59, 5 408 50 0, 5 0 / 55.0 877. 5 759.8 9 5 477 6, 5.7 8 790 9 408 00 50 0, 5 LEGEND: AIR FLOW POWER SUPPLY AND ELECTRICAL PANEL WATER INLET WATER OUTLET Note: All models have 4 drills (8 mm diameter) for antivibratory - supports 6 AIR CONDITIONING - HEATING - REFRIGERATION - AIR HANDLING - HEAT EXCHANGE - NA 08.65 A - N 6405 P
/ ITB - 95 / 55 / 5 VERTICAL DISCHARGE (OPTIONAL) H I J K P Q O C S N R L M T B F G 750mm Condensates draining Gas thread M/4" 000mm E 000mm D A Keep this space free for installation and maintenance MODEL A B C D E F G H I J K L M N O P Q R S T 95.6 87, 5.7 5 70 9.0 45, 5 475 9 6, 5 88 9 506 5 408 46 56 0, 5 55 / 5.704 8. 5 759 9.646, 5 475 796 6, 5.8 8 790 9 408 00 50 0, 5 LEGEND: AIR FLOW POWER SUPPLY AND ELECTRICAL PANEL WATER INLET WATER OUTLET Note: All models have 4 drills (8 mm diameter) for antivibratory - supports AIR CONDITIONING - HEATING - REFRIGERATION - AIR HANDLING - HEAT EXCHANGE - NA 08.65 A - N 6405 P 7
MAXIMUM SERVICE PRESSURE (Bar) - ITB SERIES COOLING CIRCUIT HYDRAULIC CIRCUIT WATER EXCHANGER 9 0 AIR COIL 9 OPERATION WITH GLYCOL WATER CORRECTION COEFFICIENTS POSITIVE RATE NEGATIVE RATE Cooling capacity E 0,98 According to capacities table EVAPORATOR Chilled water flow E,05, Water pressure drop E,5, Medium rate º C / 7 See graphic Heating capacity E 0,97 CONDENSER Hot water flow E,05 Water pressure drop E,0 Medium rate º C 5 / 40 Anti-frost protection with glycol water: Freezing point C oncentration % 0 0 0 0 40 Etylen-glicol Propylen-glicol º C 0 -, 8-8, -4, 5 -, º C 0 -, 7-6, 5 -, 4-0, 0 OPERATING LIMITS T. (allowance difference water I/O in ºC) 9 8 7 6 5 4-5 - 0 4 6 8 0 4 Water outlet T. in ºC Max. T Min. T For a water outlet T of +5ºC: T minimum:,ºc Water T rate: 8,ºC / 5ºC T maximum: 6,ºC Water T rate:,ºc / 5ºC For T differences not included between the curves: consult. 8 AIR CONDITIONING - HEATING - REFRIGERATION - AIR HANDLING - HEAT EXCHANGE - NA 08.65 A - N 6405 P