Danfoss VZH Series - Approved Hybrid Tandem Configurations and Capacity Range

Application guidelines
80 FRCC.PC.023.A7.22
Manifold compressors
Oil management concept
Dierent conguration of hybrid tandems are possible , all VZH models(high low pressure ratio/
dierent voltage) could be manifold with x speed compressors.
Approved hybrid tandem
congurations and capacity
range
Danfoss VSD : VZH compressor Drive
TM
380-480 Volt
The kit available for these tandems are tested with Danfoss recommended piping design. If the piping
is customized by the customer, additional test to check oil balancing must be performed.
Please contact your Danfoss Application Specialist for support.
Model Description
FS: 50Hz, VS:100Hz FS: 60Hz, VS: 100Hz
kW TR kW TR
VZH178 VZH088+SH90 68.9 19.6 73.9 21.0
VZH208 VZH088+SH120 77.7 22.1 83.7 23.8
VZH257 VZH117+SH140 97.8 27.8 105.2 29.9
VZH278 VZH117+SH161 101.6 28.9 110.1 31.3
VZH301 VZH117+SH184 106.2 30.2 115.7 32.9
VZH350 VZH170+SH180 137.5 39.1 147.4 41.9
VZH410 VZH170+SH240 151.9 43.2 164.9 46.9
VZH465 VZH170+SH295 164.6 46.8 179.3 51.0
ARI conditions: 7.2/54.4/11.1/8.3°C
G motor code: 380-480V/3ph/50-60Hz