Single compressors
Dimensions
VZH compressors single versions come equipped
with a threaded oil sight glass with 1"1/8 – 18
UNEF connection. It can be used for a visual
check of oil amount and condition.
VZH manifold version compressors come
equipped with a screw-in optical part on oil level
switch port located below the electrical box.
Schrader
Oil equalization
connection
Suction & discharge
connections
Frequency converter
dimensions
The oil fill connection and gauge port is a 1/4"
male flare connector incorporating a schrader
valve.
VZH manifolding compressors are equipped
with a rotolock oil equalization connection.
This connection is used when compressors are
mounted in parallel. Contact Danfoss for further
details and refer to the hybrid manifolding
specific section.
VZH compressors are all delivered with suction
and discharge brazed connections only. They are
copper-plated steel connections.
Rotolock adaptors are available, refer to the
“Accessories” section.
Frequency converter dimensions depend
on supply voltage, IP rating and power. The
table below gives an overview of the overall
dimensions and different drive enclosures (H3 -
H5). Details for each drive enclosure are on the
following pages.
Sight glass/oil level
switch
Oil equalization
VZH028-035-044
Rotolock 1"1/8
Suction
Discharge
VZH028-035-044
3/4"
1/2"
Drive supply voltage
Drive power
kW
Compressor
voltage code
Compressor
model
IP20
Drive enclosure
Overall drive size
(H x W x L) mm
Overall drive size
(H x W x L) mm
incl. decoupling
plate
Clearance above/
below
(mm/inch)
T2: 200-240/3/50-60
6
J
VZH028
H4
296x135x241
359x135x241
100/4
7.5
VZH035
H4
296x135x241
359x135x241
100/4
10
VZH044
H5
334x150x255
402x150x255
100/4
T4: 380-480/3/50-60
6
G
VZH028
H3
255x100x206
329x100x206
100/4
7.5
VZH035
H3
255x100x206
329x100x206
100/4
10
VZH044
H4
296x135x241
359x135x241
100/4
L
H
W
Min 100
Clearance above for cooling
Min 100
Clearance above for cooling
Compressor models
Brazed connection size
Rotolock adaptor set
(
adaptor,
gasket,
sleeve,
nut)
Rotolock adaptor
(
adaptor only)
Rotolock
Solder sleeve ODF
Code Number
Code Number
VZH028-044
Suction
3/4"
1-1/4"
3/4"
120Z0126
120Z0366
Discharge
1/2"
1"
1/2"
120Z0365
15
FRCC.PC.034.A2.02
Application Guidelines