MKS 246C, Instruction Manual

Page: 32 / 92

Product Location and Requirements Chapter Two: Installation
22
Product Location and Requirements
The Type 246 unit meets the following criteria:
•
POLLUTION DEGREE 2 in accordance with IEC 664
•
INSTALLATION CATEGORY II, for transient overvoltages, according to EN 61010-1
Operating Environmental Requirements
•
Ambient Operating Temperature: 15
°
to 40
°
C (59
°
to 104
°
F)
•
Main supply voltage fluctuations must not exceed
±
10% of the nominal voltage
•
Ventilation requirements include sufficient air circulation
•
Connect the power cord into a grounded outlet
Safety Conditions
The 246 unit poses no safety risk under the following environmental conditions:
•
Altitude: up to 2000 m
•
Maximum relative humidity: 80% for temperatures up to 31
°
C, decreasing linearly to
50% at 40
°
C