REFRIGERATION & AIR CONDITIONING DIVISION

Selection & Application guidelines

Maneurop® reciprocating compressors MT/MTZ 50 - 60 Hz - R22 - R407C - R134a - R404A / R507A

MAKING MODERN LIVING POSSIBLE

2 FRCC.PC.004.A4.02

Application guidelines

MANEUROP® RECIPROCATING COMPRESSORS .................................................................................................................................................................................. p 3 COMPRESSOR MODEL DESIGNATION .................................................................................................................................................................................................................. p 4

Code numbers ................................................................................................................................................................................................................................................................................... p 4 Compressor reference .............................................................................................................................................................................................................................................................. p 4 Versions ............................................................................................................................................................................................................................................................................................................... p 4

SPECIFICATIONS ................................................................................................................................................................................................................................................................................................ p 5 Technical specifi cations ........................................................................................................................................................................................................................................................ p 5 Approvals & certifi cates ......................................................................................................................................................................................................................................................... p 5 Nominal performance for R404A and R22 ......................................................................................................................................................................................... p 6 Nominal performance for R407C and R134a .................................................................................................................................................................................. p 7

OPERATING ENVELOPES ..................................................................................................................................................................................................................................................................... p 8 OUTLINE DRAWINGS ............................................................................................................................................................................................................................................................................ p 10

1 cylinder ...................................................................................................................................................................................................................................................................................................... p 10 2 cylinders .................................................................................................................................................................................................................................................................................................. p 11 4 cylinders .................................................................................................................................................................................................................................................................................................. p 12

ELECTRICAL CONNECTIONS AND WIRING ................................................................................................................................................................................................... p 13 Single phase electrical characteristics ................................................................................................................................................................................................... p 13 Nominal capacitor values and relays ........................................................................................................................................................................................................ p 13 Trickle circuit .......................................................................................................................................................................................................................................................................................... p 13 PSC wiring ................................................................................................................................................................................................................................................................................................... p 13 CSR wiring ................................................................................................................................................................................................................................................................................................... p 13 Suggested wiring diagrams ...................................................................................................................................................................................................................................... p 14 Three phase electrical characteristics ..................................................................................................................................................................................................... p 15 Motor protection and wiring diagrams ............................................................................................................................................................................................... p 15 Soft starters .............................................................................................................................................................................................................................................................................................. p 16 Voltage application range ............................................................................................................................................................................................................................................ p 16 IP rating ........................................................................................................................................................................................................................................................................................................... p 16

REFRIGERANTS AND LUBRICANTS .............................................................................................................................................................................................................................. p 17 General information ..................................................................................................................................................................................................................................................................p 17

SYSTEM DESIGN RECOMMENDATIONS .............................................................................................................................................................................................................. p 19 Piping design ........................................................................................................................................................................................................................................................................................ p 19 Operating limits .............................................................................................................................................................................................................................................................................. p 20 Operating voltage & cycle rate ............................................................................................................................................................................................................................ p 21 Liquid refrigerant control & charge limits ....................................................................................................................................................................................... p 21

SOUND AND VIBRATION MANAGEMENT .............................................................................................................................................................................