Danfoss Maneurop NTZ Series, Инструкции по применению

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Content
Maneurop® reciprocating compressors ............................................................................................. 5
Features .................................................................................................................................................................................5
Specifications ....................................................................................................................................... 6
Technical specifications and nominal ratings ..........................................................................................................6
Versions ..................................................................................................................................................................................6
Compressor reference ......................................................................................................................................................6
Nominal performance data for R404A and R452A .................................................................................................7
Dimensions .......................................................................................................................................... 8
1 cylinder ...............................................................................................................................................................................8
2 cylinders .............................................................................................................................................................................9
4 cylinders ..........................................................................................................................................................................10
Electrical connections and wiring .................................................................................................... 11
Voltage application range ............................................................................................................................................11
Single phase electrical characteristics .....................................................................................................................11
Nominal capacitor values and relays........................................................................................................................11
Single phase motor protection and suggested wiring diagram ....................................................................11
Trickle circuit .....................................................................................................................................................................11
PSC wiring ..........................................................................................................................................................................11
CSR wiring ..........................................................................................................................................................................11
Single phase PSC wiring with trickle circuit ..........................................................................................................12
Single phase CSR wiring with trickle circuit ..........................................................................................................12
Single phase CSR wiring without trickle circuit....................................................................................................12
Three phase electrical characteristics ......................................................................................................................13
Three phase motor protection and suggested wiring diagram .....................................................................13
Wiring diagram with pump-down cycle .................................................................................................................13
Wiring diagram without pump-down cycle ..........................................................................................................14
IP rating ...............................................................................................................................................................................14
Motor protection .............................................................................................................................................................14
Voltage unbalance ..........................................................................................................................................................14
Approval and certifications .............................................................................................................. 15
Approvals and certificates............................................................................................................................................15
Pressure equipment directive 2014/68/EU ............................................................................................................15
Low voltage directive 2014/35/EU ............................................................................................................................15
Machinery directive 2014/30/EU ...............................................................................................................................15
Internal free volume .......................................................................................................................................................15
Operating conditions ........................................................................................................................ 16
Refrigerants and lubricants .........................................................................................................................................16
Operating envelope .......................................................................................................................................................16
R404A / R507 .....................................................................................................................................................................16
R452A ..................................................................................................................................................................................16
Discharge temperature protection ...........................................................................................................................17
Operating limits ...............................................................................................................................................................17
System design recommendations .................................................................................................... 18
Piping design ....................................................................................................................................................................18
Suction line ........................................................................................................................................................................18
Discharge line ...................................................................................................................................................................18
Oil charge and oil separator ........................................................................................................................................19
Filter driers .........................................................................................................................................................................19
Suction pressure control ...............................................................................................................................................19
Suction line heat exchanger........................................................................................................................................19
Cycle rate limit ..................................................................................................................................................................20
Liquid refrigerant control and charge limits .........................................................................................................20
Off-cycle migration .........................................................................................................................................................20
Liquid floodback during operation ..........................................................................................................................20
Crankcase heater .............................................................................................................................................................21
Liquid line solenoid valve & pump-down ..............................................................................................................21
Suction accumulator ......................................................................................................................................................21
3
FRCC.PC.046.A4.02
Application Guidelines