Bitzer 4N.2
Technical Data

SI

IP

Displacement ( 1450 RPM 50Hz)

56, 1 m3/ h

1981, 2 CFH

Displacement ( 1750 RPM 60Hz)

67, 7 m3/ h

2390, 8 CFH

No. of cylinder x bore x stroke

4 x 60 mm x 57 mm

4 x 60 mm x 57 mm

Allowed speed range

750 .. 1750 1/ min

750 .. 1750 1/ min

Coupling ( ..-K) for A/ C + medium

KK411 [ < 11kW] / KK420 [ < 22kW] ( Option)

KK411 [ < 11kW] / KK420 [ < 22kW] ( Option)

Coupling ( ..-K) for low temperature

KK415 [ < 7.5kW] / KK425 [ < 22kW] ( Option)

KK415 [ < 7.5kW] / KK425 [ < 22kW] ( Option)

Coupling housing

Option

Option

Motor pulley ( ..-S)

190, 210, 230 mm ( Option)

190, 210, 230 mm ( Option)

V-belts

3 x SPA ( Option)

3 x SPA ( Option)

Weight

77 kg

169, 8 lb

Maximum pressure ( LP/ HP)

19 / 25 bar

275 / 363 psi

Connection suction line

35 mm - 1 3/ 8'

35 mm - 1 3/ 8'

Connection discharge line

28 mm - 1 1/ 8'

28 mm - 1 1/ 8'

Connection cooling water

R 1/ 2' ( Option)

R 1/ 2' ( Option)

Oil type R134a / / R407A/ C/ F / / R404A / / R507A

tc55° C: BSE55 ( Option)

tc55° C: BSE55 ( Option)

Oil type NH3

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Oil type R22 R22 ( R12 / / R502)

B5.2 ( Standard)

B5.2 ( Standard)

Oil charge

4, 0 dm3

140, 8 fl oz