McQuay PFSB 103.1, Product Manual

Page 1: ...UDQW D Product Manual 803 B 04 11 D Data November 2004 Supersedes 803 B 02 09 C McQuay is participating in the Eurovent Certification Programme Product are as listed in the Eurovent Directory of Certi...

Page 2: ...ws a constant gas flow This compression process completely eliminates gas pulsations The oil injection also results in significant mechanical noise reduction The twin gas compressor discharge chambers...

Page 3: ...al capacity This control is made by means of capacity slides controlled by microprocessors Standard start is star delta type Soft start type is available as option in order to have lower inrush curren...

Page 4: ...Water content in cooling circuits The cooled water distribution circuits should have a minimum water content to avoid excessive compressors start and stop In fact each time the compressor starts up an...

Page 5: ...mal load High evaporator entering water temperature start up Display of evaporator entering leaving water temperature Display of condensing evaporating temperature and pressure superheat temperature f...

Page 6: ...y and automatically of any alarm situation via modem printouts Automatic printouts of alarms parameters and graphs To control several plants located in different geographical areas from a central stat...

Page 7: ...t off valve Suction shut off valve installed on the suction port of the compressor to facilitate maintenance operation Flanged connections Evaporator and condenser flanged connections 150 psig are ava...

Page 8: ...protect the control cabinet and the other areas of the chiller Location A levelled and sufficiently strong floor is required Rubber in shear isolators can be furnished and field placed under each cor...

Page 9: ...COP correction factor 0 044 1 000 1 000 1 000 0 088 0 990 1 018 0 973 0 132 0 981 1 036 0 945 Table 4 Ethylene glycol and low ambient temperature correction factors Air ambient temperature C 3 8 15 2...

Page 10: ...803 B 04 11 D pag 10 24 Nomenclature P F S B 249 2 134 P Water cooled F Flooded S Screw compressor B Release 103 296 Unit size 1 N of compressors 2 134 Refrigerant HFC 134a...

Page 11: ...743 1743 1808 1910 1910 Unit height mm 2250 2250 2250 2300 2300 2300 2300 2300 Note 1 Nominal cooling capacity and power input are based on 12 7 C entering leaving evaporator water temperature 30 35 C...

Page 12: ...from the unit in free field rif 2 x 10 5 PFS Unit size 63 Hz 125 Hz 250 Hz 500 Hz 1000 Hz 2000 Hz 4000 Hz 8000 Hz dBA 103 1 58 3 63 5 70 1 62 8 60 6 54 5 47 1 37 1 66 0 124 1 59 3 64 5 71 1 63 8 61 6...

Page 13: ...751 147 5 1 715 165 4 3 678 185 3 7 208 2 10 845 117 7 3 812 131 6 2 777 148 5 3 740 166 4 5 702 185 3 8 4 767 124 6 2 733 141 5 2 699 159 4 4 662 179 3 7 625 201 3 1 5 795 125 6 4 760 142 5 4 724 160...

Page 14: ...803 B 04 11 D pag 14 24 PFS B 2 passes evaporator water pressure drop Water flow rate l s Pressure drop kPa...

Page 15: ...803 B 04 11 D pag 15 24 PFS B 3 passes evaporator water pressure drop Water flow rate l s Pressure drop kPa...

Page 16: ...803 B 04 11 D pag 16 24 PFS B 2 passes condenser water pressure drop Water flow rate l s Pressure drop kPa...

Page 17: ...803 B 04 11 D pag 17 24 PFS B 3 passes condenser water pressure drop Water flow rate l s Pressure drop kPa...

Page 18: ...803 B 04 11 D pag 18 24 PFS B 4 passes condenser water pressure drop Water flow rate l s Pressure drop kPa...

Page 19: ...803 B 04 11 D pag 19 24 Dimensions PFS B 103 1 Dimensions PFS B 124 1 147 1...

Page 20: ...803 B 04 11 D pag 20 24 Dimensions PFS B 208 2 229 2 Dimensions PFS B 249 2...

Page 21: ...803 B 04 11 D pag 21 24 Dimensions PFS B 272 2 296 2...

Page 22: ...e designed for 10 5 bar Vessels will include spring loaded pressure relief valves Shell and non connection water heads will be insulated with 3 4 thick closed cell insulation Condenser Condenser will...

Page 23: ...803 B 04 11 D pag 23 24...

Page 24: ...00040 Cecchina Roma Italia Tel 06 937311 Fax 06 9374014 Email info mcquayeurope com www mcquayeurope com McQuay is participating in the Eurovent Certification Programme Product are as listed in the E...