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Instructions

Danfoss inverter compressors

 

VZH028-VZH065

© Danfoss | DCS (CC) | 2021.03

8510280P01AA - AN233086441027en-000501 | 1



0

10

20

30

40

50

60

5

15

25

35

45

55

65

75

70

C

o

n

densing 

te

m

p

erature (°C

)

VZH028-044 operating map - R410A (SH 6 K)

-40

-30

-20

-10

0

10

20

-35

-25

-15

-5

5

15

25

30

35

Evaporating temperature (°C)

900-6000 rpm

1200-6000 rpm

1800-6000 rpm

2400-6000 r

pm

3600-6000 rpm

2400-6000 rpm

Voltage: 400-460V/208-230V

0

10

20

30

40

50

60

5

15

25

35

45

55

65

75

70

C

o

n

densing 

te

m

p

erature (°C

)

VZH052-065 operating map - R410A (SH 6 K)

-30

-20

-10

0

10

20

-35

-25

-15

-5

5

15

25

30

35

40

Evaporating temperature (°C)

1000-6600rpm

1800-6600rpm

2400-6000rpm

4200-6000r

pm

A

:  Model number

B

:  Serial Number 

C

:  Refrigerant

D

:  Manufacturing year

E

:  Supply voltage range

F

:  Max operating current

G

:  Lubricant type and nominal charge

Installation and servicing of the compressor by qualified personnel only. Follow these instructions and sound refrigeration engineering 
practice relating to installation, commissioning, maintenance and service.

 The compressor must only be 

used for its designed purpose(s) 
and within its scope of application 
(refer to «operating limits»). Consult 
Application guidelines and datasheet 
available from cc.danfoss.com

 Never operate 

c o m p r e s s o r 
without terminal 
box cover in place 
and secured. 

 Under all circumstances, 

the EN378 (or other applicable 
local safety regulation) 
requirements must be fulfilled. 
Wear protective goggles and 
work gloves.

The compressor must 
be handled with 
caution in the vertical 
position (maximum 
offset from the 
vertical : 15°).

The compressor is delivered under 
nitrogen gas pressure (between 
0.3 and 0.4 bar / 4 and 6 psi). Do 
not disassemble bolts, plugs, 
fittings, etc... unless all pressure 
has been relieved from the 
compressor.

A

B

C

D

E

F

G

Operating limits

Quick connect 

spade terminals 

VZH028-044

push

push

push

Electrical connections

All the above limits, temperatures and speeds, are secured by parameters in the drive and 
application controller softwares.

VZH028 - VZH065 compressors can be 
powered by the dedicated variable speed 
drive or third party drive.

When Danfoss drive is selected, check carefully 
for compatibility between compressor model 
and variable speed drive.

Compressor 

model

Driver 

power

Driver 

model

VZH028-J/G

6kW

CDS803

VZH035-J/G

7.5kW

CDS803

VZH044-J/G

10kW

CDS803

VZH028-H

7.5kW

CDS303

VZH035-H

11kW

CDS303

VZH044-H

11kW

CDS303

VZH052-J

11kW

CDS303

VZH065-J

11kW

CDS303

VZH052-G

11kW

CDS303

VZH065-G

15kW

CDS303

VZH052-H

15kW

CDS303

VZH065-H

22kW

CDS303

Note :  These instructions replace instructions 
in grommet kit. 

VZH028-044

VZH052-065

Ring connect screw terminals

C & Q terminal box type

VZH052-065

VZH67F Map

Solid line bondaries:
SH=6K
Dash line bondaries:
need ensure Tdis 
<135°C

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