Bell & Gossett 193 TECHNOVAR VARIABLE SPEED PUMP CONTROLLER AND INTEGRATED AJUSTABLE FREQUENCY DRIVE - Manual (Page 10)

Operating Instruction
10
The HV-series frequency converter complies with the general EMV provisions and has been
tested according to the following standards:
· Radio Interference Suppression EN 50082 Part 2
EN 55011
· High Frequency Field Interference ENV 50204
· Electrostatic Discharge EN 61000-4
Ambient temperature: +5° C ... +40°C
Storage temperature:
-25° C ... +55° C (+70°C during max. 24 hours.)
Humidity: RH max. 50% at 40°C, Unlimited
RH max. 90% at 20°C, max. 30 days per year
75% average per year (Class F, DIN 40 040)
Condensation is not permitted !
Air pollution: The air may contain dry dust as found in workshops where there is
no excessive quantity of dust due to machines. Excessive amounts
of dust, acids, corrosive gases, salts etc. are not permitted
Altitude:: max. 3280 ft. above sea level At higher altitudes the max. available
power has to be reduced. Please ask the manufacturer for further
details.
Class of protection : IP 54 3.15-3.22
Nema 4 bis 3.11