Tender Specification SyScroll 240-660 Air CO / HP Tender Specification SERIES: SyScroll 240-660 Air CO / HP / RE TYPE: Air cooled water chiller, heat pump and condensing unit TECHNOLOGY: multi-scroll compressors, R410A refrigerant CAPACITY RANGE: Cool ing 238-654 [kW] Heating 256-679 [kW]
Tender Specification SyScroll 240-660 Air CO / HP 1 General description SyScroll Air CO / HP / RE units have been designed and optimized to operate with R410A refrigerant and scroll compressors Thanks to multi-scroll technology and asymmetric design in refrigerant circuits, it is possible to reach very high level of seasonal performances (ESEER up to 4,1), in line with Ecodesign requirements SyScroll Air CO units are available in 10 sizes, with a nominal capacity range from 238 to 654 [kW] SyScroll Air HP
Tender Specification SyScroll 240-660 Air CO / HP lower rotation speed. Besides lower fan deck sound emission, the chillers are supplied with compressors box to reduce the noise emissions • Super Low Noise (S): the units are equipped with star connected fans, fitted with a speed controller which allows the units to operate with a very low rotation speed.
Tender Specification SyScroll 240-660 Air CO / HP Several hydraulic options are available in order to cover a wide range of requirements in terms of pump available static pressure, redundancy and inertia water side The general operation status of the unit is steadily managed by a microprocessor implementing a dedicated developed software, ensuring a total protection of compressor inside its operating envelope and including parameter customization according application field 2 Key points • High seasonal pe
Tender Specification SyScroll 240-660 Air CO / HP • Several options / accessories provided with standard delivery: o Phase sequence control safe electric installation o Electronic expansion valve precision in SH control o Control circuit transformer power supply without neutral o Control data logger thermodynamic parameters recording o Water differential pressure switch protection against low water flow o Antifreeze electrical heater protection against BPHE freezing o ModBus interface supervi
Tender Specification SyScroll 240-660 Air CO / HP All compressors have direct-on-line starting and are mounted on rubber vibration isolators in order to minimize noise and vibration transmission 5 Evaporator Indoor heat exchangers are brazed stainless steel plate type. They are insulated with a 19 [mm] thick closed cell polyethylene foam material and provided with Victaulic connections.
Tender Specification SyScroll 240-660 Air CO / HP drive with asynchronous three-phase motors. Special fan with electronic brushless type motors are used in HT and HPF versions. Fans are equipped with externally mounted nozzle profile housing generating low sound levels 8 Refrigerant circuit All the units are equipped with two independent and separate refrigerant circuits.
Tender Specification SyScroll 240-660 Air CO / HP • • • • • • • • • • o Tandem / trio unloading for high pressure, high temperature and/or high compressor pressure ratio Chilled and hot water temperature regulation (return water temperature RWT - P+I type or leaving water temperature LWT - neutral band type) Automatic control of suction superheating though electronic expansion valve with optimized functions (cooling, heating, start-up and defrost) Evaporator antifreeze protection Defrost management High
Tender Specification SyScroll 240-660 Air CO / HP Unit controller can display all operating parameters such as: • Return water temperature • Leaving water temperature • Outdoor ambient temperature • Refrigerant discharge pressure • Refrigerant suction pressure • Refrigerant suction temperature • Refrigerant discharge temperature • Refrigerant coil temperature • Heat recovery temperature Unit controller can display various alarms and operation status: • Low / High pressure • Evaporator antifreeze • Lack of
Tender Specification SyScroll 240-660 Air CO / HP 10 Safety and control devices Each unit is complete with the following safety and control devices Safety • • • • • • • • Power disconnect switch with an emergency stop function Phase sequence control High pressure switches Low pressure switches Evaporator antifreeze electric heater Crankcase oil electric heater Water differential pressure switch Safety valve on discharge lines Control • • • • • • High pressure transducers Low pressure transducers Dischar
Tender Specification SyScroll 240-660 Air CO / HP • Outdoor ambient temperature sensor • Coil temperature sensors (HP only) • Heat recovery temperature sensor (TR only) 11 Optional hydro kits On board mounted and remote hydro-kits are available as option. On board hydro kits can be supplied with or without buffer tank while remote hydro kits (supplied loose for field installation) are always provided with internal tank.
Tender Specification SyScroll 240-660 Air CO / HP • Buffer tank (500 [l] from 240 to 320 size, 700 [l] from 360 to 420 size, 1.
Tender Specification SyScroll 240-660 Air CO / HP 12 Factory installed options • • • • • • • • • • • • • • • • • Lonwork protocol kit for BMS Bacnet protocol kit for BMS Compressors soft-starter Fan speed control for low ambient operation in cooling mode Double set point Power factor correction capacitors Compressor overload protection Automatic circuit breaker HP & LP gauges E-coating for Microchannel and Al/Cu coils Blue fins treatment for Al/Cu coils Condenser coils with copper fins Chiller grilles Com
Tender Specification SyScroll 240-660 Air CO / HP 13 Field installed accessories • • • • • • • • • Remote ON/OFF control Remote keyboard panel Sequencer, up to max four units Master and slave control, up to max four units Anti-vibration spring Water flow switch Water pressure switch Water filter Remote hydro kits with buffer tank, 1 or 2 low or high pressure pump(s), relevant accessories and with or without antifreeze heater 14 Conformity with standards The units are in conformity with the following stan
