Compresseur scroll. Refrigerant R410A SYSAQUAC. Air Cooled Condensing Units Models 25 to to 136.0kW

Transcription

1 Compresseur scroll Refrigerant R410A SYSAQUAC Air Cooled Condensing Units Models 25 to to 136.0kW

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3 SYSAQUA Condensation 1 Key Points R410A refrigerant, Units are optimized for partial load operation, High ESEER, 2 compressors fitted in tandem for all the range with two capacity steps on sizes 25 to 45 and three capacity steps on sizes 55 to 125, with an immediate return on investment versus the inverter units, Low noise version supplied as standard, extra low noise version for the XLN units (SYSAQUAC only), Refrigerant circuit is completely closed in a separate compartment in order to reduce noise level (sizes 25 to 40), Great accessibility to internal components for service operations, Wide operating limits, Fan speed control for low ambient operation in cooling mode down to -10 C as STD, Phase sequence monitor supplied as standard, Small footprint, allowing shipping and handling costs to be saved, units find easily a place to be installed, Suction and liquid line shut-off valve as STD, Ideal to be connected with an air handling unit. SYSAQUA Condensation SYSAQUAC 25 to 40 SYSAQUAC 45 to 55 SYSAQUAC 65 to 125

4 2 SYSAQUA Condensation Specifications General The new SYSAQUAC 25 to 125 have been designed and optimized to operate with R410A refrigerant fluid. They are of single refrigerant circuit type. They are available in cooling only (SYSAQUAC) version. This version consists of 11 sizes (25, 30, 35, 40, 45, 55, 65, 75, 90, 105 & 125) and covers a nominal cooling capacity range from 32 to 136 kw. All units are equipped with two scroll compressors fitted in tandem for adapting to partial system loads. A fan speed controller is also supplied as factory-fitted as STD to authorize the unit to operate in cooling mode at low ambient temperature. SYSAQUAC units can be supplied in two versions : Refrigerant circuit All units have one refrigerant circuit consisting of : scroll tandem compressors, condenser coil, as well as safety and control devices such as high pressure switch, suction and liquid line shut-off valve, filter drier, sight glass, suction receiver. A set of LP and HP gauges can be factory fitted as optional. All refrigerant components are shown in the functional diagrams illustrated in the next pages, section "Refrigerant flow diagrams". Electrical box All electrical equipment required for proper unit operation is located in a weatherproof electrical control box including : Main disconnect switch (wired and mounted). STD (Standard) version : Includes a low noise (LS) acoustical performance. Phase monitor. XLN (Extra low noise) version (SYSAQUAC only) : Obtained by the installation of acoustic box on the compressor tandem. circuit breaker. Cabinet and structure The cabinet and structure of the unit are of heavy duty galvanized steel. All galvanized steel components are individually painted by a special painting process before the assembly of the unit. Compressors contactor with thermal relay and magneto thermal Control circuit fuse. Anti-short cycle relay. Automatic reset LP switch. Manual reset HP switch. This painting system performs a homogeneous protection to the corrosion. The painting is a polyester powder based type, coloured in RAL Fan speed controller frequency drive. The units SYSAQUAC are suitable for outdoor installation, directly on the building roof or at the ground level. contact from external control (not provided). Compressors Each unit is equipped with two scroll compressors fitted on rails and assembled together to form tandem compressors. The compressors are mounted on rubber pads in order to eliminate noise and vibration transmissions. The compressor motors have a direct start-up. Each motor is cooled by the refrigerant gas and is equipped with an overload protection. A phase sequence monitor is supplied as standard. Condenser The condenser is a finned coil constructed with seamless copper tubes mechanically expanded into aluminium fins. The condenser is largely dimensioned in order to optimize performance. The condenser can be equipped, as optional, a protective grid to prevent shocks. Condenser fans and motors Main terminal strip for tandem compressors On/Off by 230V dry Control and safety devices Each unit is complete with the following safety and control devices : Safety : Fan motor overload protection. Compressor motor overload protection. High pressure switch. Crankcase heater. Conformity with standards All SYSAQUAC units are in compliance with the following standards : Machine Directive : 2006/42/EC Low Voltage Directive : 2006/95/EC Electromagnetic Compatibility Directive : 2004/108/EC Pressure Equipment Directive : 97/23/EC Factory-installed options Each unit has one or two axial fan. Condenser protective grid. The fan motor has IP54 grade and is equipped with a thermal overload protection. Reinforced acoustic insulation (XLN version). A pressostatic type fan speed controller is delivered as factory-fitted STD. It allows the unit to operate in cooling mode at low ambient temperatures down to -10 C minimum, because it regulates the fan speed in order to maintain the condensing temperature in the compressor operating range. All fans are fitted with a protective grid on top. Coil with epoxy treatment. LP/HP gauges. Soft starter. Field-installed accessories Anti-vibration rubber pads.

5 SYSAQUA Condensation 3 Refrigerant Flow Diagram HP switch / Transducer / Shrader Compressors Condensor Filter drier Sight glass Shut off valve liquid line Shut off valve suction line LP switch / Shrader Suction receiver Operating Limits Condenser inlet temperature ( C) Running with fan speed control STD Evaporating temperature ( C)

6 4 SYSAQUA Condensation Correction Factors Fouling factors - Condenser Fouling factor (m 2. C/kW) Capacity Power input Altitude factors Altitude (m) Capacity Power input

7 SYSAQUA Condensation 5 Physical Data SYSAQUAC Cooling capacity kw Power input kw Total EER 100% (1) Power supply 400V/3~+N/50Hz Startup type Direct Maximum operating current A Startup current A REFRIGERANT (units are delivered with a neutral charge of Nitrogen) Type R410A Number of refrigerant circuit 1 Indicative charge (2) kg COMPRESSORS Number Type Scroll Part load steps % 0/50/100 0/50/100 0/50/100 0/50/100 0/50/100 Crankcase heater W 2 x 40 2 x 70 2 x 70 2 x 70 2 x 90 COIL Number Frontal surface m Number of rows FAN Number Air flow m³/h Rotational speed rpm Power input each fan W REFRIGERANT CONNECTIONS Liquid line inch 5/8" 5/8" 5/8" 5/8" 5/8" Suction line inch 1"1/8 1"1/8 1"1/8 1"1/8 1"5/8 DIMENSIONS Length mm Width mm Height mm WEIGHT Operating kg ACOUSTICAL DATA Sound power level db(a) (1) Air : 35 C - Evaporating temperature : +7 C. (2) Refrigerant indicative charge without considering refrigerant connection piping. Recommended added charge = 195 g/ml for liquid line 5/8". Recommended added charge = 380 g/ml for liquid line 7/8".

8 6 SYSAQUA Condensation Physical Data (continued) SYSAQUAC Cooling capacity kw Power input kw Total EER 100% (1) Power supply 400V/3~N/50Hz Startup type Direct Maximum operating current A Startup current A REFRIGERANT (units are delivered with a neutral charge of Nitrogen) Type R410A Number of refrigerant circuit 1 Indicative charge (2) kg COMPRESSORS Number Type Scroll Part load steps % 0/43/57/100 0/40/60/100 0/45/55/100 0/45/55/100 0/38/62/100 0/33/67/100 Crankcase heater W 2 x 90 2 x 90 2 x 90 90/120 90/140 90/140 COIL(S) Number Frontal surface m Number of rows FAN(S) Number Air flow m³/h Rotational speed rpm Power input each fan W REFRIGERANT CONNECTIONS Liquid line inch 5/8" 5/8" 5/8" 7/8" 7/8" 7/8" Suction line inch 1"5/8 1"5/8 1"5/8 1"5/8 1"5/8 1"5/8 DIMENSIONS Length mm Width mm Height mm WEIGHT Operating kg ACOUSTICAL DATA Sound power level db(a) (1) Air : 35 C - Evaporating temperature : +7 C. (2) Refrigerant indicative charge without considering refrigerant connection piping. Recommended added charge = 195 g/ml for liquid line 5/8". Recommended added charge = 380 g/ml for liquid line 7/8".

9 SYSAQUA Condensation 7 Electrical Data Sizes Power supply 400V / 3~N / 50Hz Maximum current A Fuse rating am A Total startup current A Acoustical Data Sound power level Lw-dB(A) Sizes SYSAQUAC Frequency in octave band (Hz) Lw db(a) global STD version Lp db(a) 10 m

10 8 SYSAQUA Condensation Performance Data - SYSAQUAC 25 to R410A Sizes SYSAQUAC ET ( C) Condenser air inlet temperature ( C) Cooling capacity Power input Cooling capacity Power input Cooling capacity Power input Cooling capacity Power input Cooling capacity Power input Cooling capacity Power input Cooling capacity ET : Evaporating temperature. Power input

11 SYSAQUA Condensation 9 Typical Installation Diagrams Outdoor unit at higher level SYSAQUAC L 30 m maxi. Install a siphon on the gas pipe every 5 m Air Handling Unit H+ 25 m maxi. Outdoor unit at lower level Air Handling Unit L 30 m maxi. The pipe links should have a minimum slope of 1/250 towards the outdoor unit SYSAQUAC H- 15 m maxi.

12 10 SYSAQUA Condensation Dimensions (mm) SYSAQUAC 25 to 40 Rear view Front view Top view Side view A 1000 DETAIL A Manometer HP (Optional) Manometer BP (Optional) Suction line Ø1"1/ Liquid line Ø5/8"

13 SYSAQUA Condensation 11 Dimensions (mm) (continued) SYSAQUAC 45 to 55 Side view Front view 1986 A Side view Top view Manometer HP (Optional) Manometer BP (Optional) DETAIL A Suction line Ø1"5/8 Liquid line Ø5/

14 12 SYSAQUA Condensation Dimensions (mm) SYSAQUAC 65 to 75 Side view Front view 1987 A Side view Top view Manometer HP (Optional) DETAIL A Manometer BP (Optional) Suction line Ø1"5/8 Liquid line Ø5/

15 SYSAQUA Condensation 13 Dimensions (mm) (continued) SYSAQUAC 90 to 125 Side view Front view 2286 Side view Top view 2180 A 1160 Manometer HP (Optional) Manometer BP (Optional) DETAIL A Suction line 1"5/8 Liquid line 7/8"

16 14 SYSAQUA Condensation Space Requirements (mm) SYSAQUAC 25 to 55 SYSAQUAC 65 to 125

17 Notes SYSAQUA Condensation 15

18 16 SYSAQUA Condensation Notes

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20 Systemair AC SAS route de Verneuil, Tillières-sur- Avre Tél Fax Systemair EDM AQAC-S-1GB/01.15 As part of our ongoing product improvement programme, our products are subject to change without prior notice. Non contractual photos. january 2015