Allowed Temperature Limits - BONFIGLIOLI VF Series Installation, Operation And Maintenance Manual

3.5

ALLOWED TEMPERATURE LIMITS

Symbols
t
Ambient temperature
a
t
Minimum operating ambient temperature
au min
t Maximum operating ambient temperature
au Max
t
Minimum storage ambient temperature
as min
t Maximum storage ambient temperature
as Max
Surface temperature
t
s
t Minimum gearbox surface temperature starting with partial load (#)
s min
t Minimum gearbox surface temperature starting with full load
sc min
Maximum casing surface temperature during continuous operation
t
(measured next to the gearbox input)
s Max
t Oil temperature
o
t
Maximum oil temperature during continuous operation
o Max
(*) = For further information about minimum and maximum values of different oil viscosity refer to the table "Se-
lection of the optimal oil viscosity" on the catalog available on www.bonfi glioli.com
(@) = Continuous operation it is not advised if t
(#) = For full load start-up it is recommended to ramp-up and provide for greater absorption of the motor.
If needed, contact Bonfi glioli Technical Service.
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IOM Manual VF-W_ATEX_gb - Translation of original instructions in Italian - Rev 03_0 - 30/09/16
Description / Condition
and t range is 80°C to 95 °C.
s o
Value (*)
Synthetic Mineral
Oil Oil
-30°C -10°C
+50°C +40°C
-40°C -10°C
+50°C +50°C
-25°C -10°C
-10°C -5°C
+100°C +100°C (@)
+95°C +95°C (@)