Application guidelines
3
FRCC.PC.002.A5.22
Content
Maneurop® reciprocating compressors .............................................................................................. 5
Features ..................................................................................................................................................................................5
Specifications ........................................................................................................................................ 6
Technical specifications and nominal ratings ...........................................................................................................6
Versions ...................................................................................................................................................................................6
Compressor reference .......................................................................................................................................................6
Dimensions ........................................................................................................................................... 7
1 cylinder ................................................................................................................................................................................7
2 cylinders ..............................................................................................................................................................................8
4 cylinders ..............................................................................................................................................................................9
Electrical connections and wiring ..................................................................................................... 10
Voltage application range .............................................................................................................................................10
Single phase electrical characteristics ......................................................................................................................10
Nominal capacitor values and relays.........................................................................................................................10
Single phase motor protection and suggested wiring diagram .....................................................................10
Trickle circuit ......................................................................................................................................................................10
PSC wiring ...........................................................................................................................................................................10
CSR wiring ...........................................................................................................................................................................10
Single phase PSC wiring with trickle circuit ...........................................................................................................11
Single phase CSR wiring with trickle circuit ...........................................................................................................11
Single phase CSR wiring without trickle circuit.....................................................................................................11
Three phase electrical characteristics .......................................................................................................................12
Three phase motor protection and suggested wiring diagram ......................................................................12
Wiring diagram with pump-down cycle ..................................................................................................................12
Wiring diagram without pump-down cycle ...........................................................................................................13
IP rating ................................................................................................................................................................................13
Motor protection ..............................................................................................................................................................13
Voltage unbalance ...........................................................................................................................................................13
Approval and certifications ............................................................................................................... 14
Approvals and certificates.............................................................................................................................................14
Pressure equipment directive 2014/68/EU .............................................................................................................14
Low voltage directive 2014/35/EU .............................................................................................................................14
Machinery directive 2014/30/EU ................................................................................................................................14
Internal free volume ........................................................................................................................................................14
Operating conditions ......................................................................................................................... 15
Refrigerants and lubricants ..........................................................................................................................................15
Operating envelope R404A / R507.............................................................................................................................15
Discharge temperature protection ............................................................................................................................15
Operating limits ................................................................................................................................................................16
System design recommendations ..................................................................................................... 17
Piping design .....................................................................................................................................................................17
Suction line .........................................................................................................................................................................17
Discharge line ....................................................................................................................................................................17
Oil charge and oil separator .........................................................................................................................................18
Filter driers ..........................................................................................................................................................................18
Suction pressure control ................................................................................................................................................18
Suction line heat exchanger.........................................................................................................................................18
Cycle rate limit ...................................................................................................................................................................19
Liquid refrigerant control and charge limits ..........................................................................................................19
Off-cycle migration ..........................................................................................................................................................19
Liquid floodback during operation ...........................................................................................................................19
Crankcase heater ..............................................................................................................................................................20
Liquid line solenoid valve & pump-down ...............................................................................................................20
Suction accumulator .......................................................................................................................................................20