Danfoss VZL028 Instructions

Instructions
VLZ028-VLZ044 inverter compressors
Electrical connections
Quick connect spade terminals
Operating limits
VLZ R448/449A Operating Map
70
60
50
40
30
20
10
0
-35 -30 -25 -20
Evaporating Temperature ºC
All the above limits, temperatures and speeds, are secured by parameters in the drive and application controller softwares.
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
1 | © Danfoss | DCS (CC)| 2017.07
A
B
C
D
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
H: Electronic frequency &
compressor frequency
Condition:135ºC Max DLT
RGT20
SH10K
50-100rps
30-100rps
-15 -10 -5 0 5 10 15
Never operate
c o m p r e s s o r
without terminal
box cover in place
and secured.
push
70
60
50
40
30
20
10
0
-35
Under all circumstances,
the EN378 (or other applicable
local safety regulation)
requirements must be fulfilled.
Wear protective goggles and
work gloves.
VLZ028 - VLZ044 compressors can be
powered by the dedicated variable speed
drive CDS803.
E
When Danfoss drive is selected, check carefully
F
for compatibility between compressor model
and variable speed drive.
G
Compressor
model
VLZ028-035-044
H
push
VLZ R404A Operating Map
Condition:135ºC Max DLT
50-100rps
30-100rps
-30 -25 -20 -15 -10 -5
Evaporating Temperature ºC
The compressor must The compressor is delivered under
be handled with nitrogen gas pressure (between
caution in the vertical 0.3 and 0.4 bar / 4 and 6 psi). Do
position (maximum not disassemble bolts, plugs,
offset from the fittings, etc... unless all pressure
vertical : 15°). has been relieved from the
compressor.
8510286P01B - FRCC.PI.039.A3.02
Variable speed drive
rated power output
7.5 kW
push
RGT20
SH10K
0 5 10 15