Glycol chillers
Glycol chillers
The document details the specifications and features of the intarPACK chiller series, designed for refrigeration applications using glycol water and brine. These chillers are suitable for outdoor installation and are engineered to operate under extreme ambient conditions with low noise levels.
- High power in a compact design with components suitable for temperatures up to 45 ºC.
- Acoustic isolated hermetic compressors requiring minimal maintenance.
- Inbuilt brazed plates heat exchanger and optional hydraulic circuit.
- Operation with glycol water and brine, featuring proportional control of condensing pressure.
- Electronic regulation with multiple power stages and digital control.
- Power supply: 400V-III-50Hz.
- Refrigerant: R-404A.
- Compressor types: Hermetic reciprocating or scroll compressors with noise insulation.
- Condensing coil: Large area U-shaped, suitable for high ambient temperatures.
- Hydraulic circuit: Built-in copper piping with various valves and gauges.
- Defrosting cycle of air blowers by glycol heating.
- Freecooling mode for energy savings.
- Inbuilt hydraulic system with optional auxiliary pump and buffer tank.
- External communication via ModBus protocol and RS485 connection.
The document includes tables with performance data for various models, specifying cooling capacity, power consumption, sound pressure levels, and other critical parameters.
These chillers are designed for use in indirect refrigeration systems with glycol water chillers for high, medium, and low-temperature cold rooms. They are factory tested and adjusted for optimal operation with intarPACK chillers.
The document describes double-flow air blowers designed for operation with glycol water or brine. Key features include high-efficiency coils, low-speed and low-noise axial motor fans, and a stainless steel drain tray. The units are optimized for refrigeration circuits using glycol water or brine and include an inbuilt solenoid valve and electronic controller.
Air defrosting is standard, with electrical heater defrosting available as an option. The units are equipped with a cold room temperature probe and a defrosting temperature probe.
The units feature a compact microcontroller that includes all control elements without the need for an electrical panel. They are 100% factory tested and adjusted for optimal operation with intarPACK chillers.
The air blowers have a low-profile design and are constructed with a galvanized steel shell with a polyester coating. They offer high comfort with low noise levels and laminar air flow.
The document provides detailed specifications for various models, including cooling capacity, water flow, pressure drop, hydraulic connection, defrosting power, and absorbed current. The units operate with a 230V-I-50 Hz power supply and are available with optional features such as an electrical heater defrosting, humidification kit, and anti-corrosion coil coating.
The document includes a schematic representation of the hydraulic and electronic components, including motor-fan, heat exchange coil, electronic control, power supply, solenoid valve, cold room temperature probe, defrosting temperature probe, and optional electrical heater.
Optional features include a condensed water pump, G3 filter for fans, deshumidification/heating kit, and long-range fan streamer for specific fan sizes.
A chart is provided showing the characteristics and properties of common secondary fluids, along with the maximum cooling capacity for various hydraulic pipe diameters.
The document provides specifications for various cooling fluids, including Potassium Formate and Potassium Acetate, with varying concentrations and properties such as density, specific heat, and thermal conductivity. It also includes data on Betaine with details on their respective freezing points and other physical properties.
The document outlines examples of installations for glycol water groups with integrated hydraulic groups and expansion vessels. It describes the setup for direct operation with refrigeration loads and includes schematic legends for components like evaporators, water pumps, and service valves.
Recommendations are provided for selecting groups with inertial bottles for installations with multiple small power services to prevent frequent compressor stops when the demanded power is below the minimum power stage. It also suggests using electronic variable flow water pumps for energy savings during partial load operation.
The document includes various installation schemes with detailed legends for components such as inertial bottles, differential pressure valves, and solenoid valves. It emphasizes the integration of hydraulic circuits within glycol water groups as an optional feature.
The tables provide critical data on fluid speed according to fluid type and pipe diameter, indicating ranges for laminar flow and different velocity thresholds.
Catalog excerpts
refrigeration chillers Air-cooled chillers, designed for refrigeration applications with glycol water and brine. intarPACK chiller series covers compressor power from 7,5 to 60 HP at positive and negative temperature ranges. intarPACK chillers have been developed for outdoor installation, to operate under extreme ambient conditions, featuring acoustic insulated components for lower noise level. High power in a compact design. Tropicalised design for temperature up to 45 ºC. Acoustic isolated hermetic compressors. Minimum maintenance needs, with easy access through folding panels. Inbuilt brazzed plates heat exchanger. Operation with glycol water and brine.. Inbuilt hydraulic circuit (as an option).
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innovative refrigeration solutions intarPACK chillers Description Air-condensed chillers for refrigeration applications with glycol water or brine, low noise operation and compact construction in a galvanised steel shell with polyester coating for outdoor installation. High reliability compressors Danfoss-Maneurop hermetic reciprocating and scroll compressors are known for their sturdy construction and high reliability operation, and, by being cooled by the refrigerant, they allow a very efficient noise insulation. • R-404A refrigerant. • Hermetic reciprocating or scroll compressors, with noise...
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• Defrosting cycle of air blowers by glycol heating. Glycol heating defrosting As an option, intarPACK chillers feature a defrosting system for air blowers by heating of the glycol water. • Inbuilt hydraulic system with circulation hydraulic pump (auxiliary hydraulic pump as an option), service valves, anti back-flow valves, expansion tank, safety valve, mesh filter, air vent and draining valve. • Buffer tank with differential pressure valve (page 99). • Hydraulic variable displacement pump for secondary circuit (page 99). • Anticorrosion coil coating. • External communication by ModBus protocol...
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innovative refrigeration solutions positive temperature intarPACK chillers NF/SF - Electronic version. Technical features 400V-III-50 Hz, R-404A, Propilene glycol Compressor Series / Model Ambient temp. Fluid outlet temperature (ºC) % propileneglycol (volume) Nominal Max power absorb. consump. current (kW) * (A) Fluid Air flow Weight flow (m³/h) (m³/h) (kg) Available pressure (m.w.c.) With hydraulic system* Sound Hydraulic pressure connection level dB(A)* • Defrosting cycle of air blowers by glycol heating. • Freecooling. * Cooling capacity according to nominal conditions and related to -5 ºC...
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chillers negative temperature BWE series BWE - CFM - 12345 NF/SF - Electronic version. Technical features 400V-III-50 Hz, R-404A, Ethylene glycol Compressor Series / Model Temp. ambiante Fluid Air flow Weight flow (m³/h) (m³/h) (kg) Available pressure (m.w.c.) With hydraulic system* Sound Hydraulic pressure connection level dB(A)* Nominal Max power absorb. consump. current (kW) * (A) Fluid outlet temperature (ºC) % ethyleneglycol (volume) • Defrosting cycle of air blowers by glycol heating. • Inbuilt hydraulic system with circulation hydraulic pump (auxiliary hydraulic pump as an option), service...
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innovative refrigeration solutions intarPACK chillers
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JD-NH / JC-NH / JH-NH series air blowers for glycol water operation Air blowers to operate with glycol water or brine to be installed as a whole in indirect refrigeration systems with glycol water chillers for high, medium and low temperature cold rooms. High efficiency coils. Each air blower features heat exchange coil and inbuilt regulation valves, with electronic controller. 100% factory tested and adjusted units for the an optimal operation with intarPACK chillers. Each model has been sized and adjusted in laboratory for an optimal operation in a whole with intarPACK series chillers, with...
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innovative refrigeration solutions Unités de refroidissement d’air à double flux High efficiency coils. Inbuilt solenoid valve. Electronic control. 100% factory tested and adjusted units for the an optimal operation with intarPACK chillers. High comfort: Low-noise level and laminar air flow. Operation with glycol water and brine. Double-flow air blowers, in a low-profile design, for their operation with glycol water or brine, with inbuilt regulation valves, and prewired electronic control, built in galvanised steel shell with polyester coating. Electronic control Compact microcontroller including...
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double-flow air blowers high temperature AJD-NH series Series AJD-NH - High temperature (+5ºC...+20 ºC) Double-flow air-blowers for high temperature applications with glycol water or brine, with a low turbulence level, featuring air defrosting (electrical heater defrosting as an option). • Electrical heater defrosting (for operation between -5 ºC and +5 ºC). • Inbuilt condensed water pump. • G3 filter for fans. • Inbuilt humidification kit. • Deshumidification / heating kit. • Anti-corrosion coil coating. Technical features 230V-I-50 Hz*, Glycol Cooling capacity* (W) at cold room temperature...
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innovative refrigeration solutions Industrial cubic-type air blowers High efficiency coils. Inbuilt solenoid valve. 100% factory tested and adjusted units for the an optimal operation with intarPACK chillers. Minimum maintenance needs, with simple access through folding panels. Operation with glycol water and brine. Cubic-type air blowers for glycol water or brine operation, featuring inbuilt regulation valves and electronic controller, built in galvanised steel shell with polyester coating, for high, medium and low temperature refrigeration in cold rooms. Control board Advanced multifunction...
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MJC-NH / BJC-NH series Series MJC-NH - Medium and high temperature (-5 ºC...+10 ºC) Cubic-type air blowers for applications with glycol water or brine in medium and high temperature medium-size cold rooms, featuring air defrosting (electrical heater defrosting as an option). BJC-NH - Low temperature (-30 ºC... -15 ºC) Cubic-type air blowers for applications with glycol water or brine in low temperature medium-size cold rooms, featuring electrical heater defrosting. Technical features 400V-III-50 Hz, Propilene glycol / Ethylene glycol Series / Model Cooling capacity* (W) at cold room temperature...
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