E-M-AwTherm-V1.1
Rotronic AG
Bassersdorf, Switzerland
Document code
Unit
AwTherm: Water Activity at Controlled Temperature
Instruction Manual for Software
Version 1.1
Document Type
Page
2
Document title
2
Setting up the AwTherm
2.1
Physical Location
To ensure correct operation please ensure that:
1.
The unit is level and stable;
2.
There is at least 15 mm clearance underneath and at least 100 mm at the back of the unit
to enable adequate air flow;
2.2
Electrical Supply
Power Isolation
The unit is supplied with a mains cord set. The unit should be disconnected from the electrical
supply before the unit is moved, cleaned or has water added or removed.
Earthing
This unit must be earthed. Provision for the safety earth is made through the electrical mains
connection (Figure 2, item 5) to which all parts of the unit requiring earthing are internally
connected. An earthed electrical supply is required.
Earth Leakage Current
Due to RF filtering there is an earth leakage current, within the limits specified in EN 61010-
1:2001. This may affect mains power circuits protected by Residual Current Device (RCD) or
Ground Fault Detector (GFD) type circuit breakers (particularly if used in multiples or with other
equipment with an earth leakage current on the same supply circuit).
Over Current Protection
To protect the internal circuitry against excess currents, the mains supply to the unit must be
connected with the mains cord set provided with the unit and to an appropriate mains supply.
Voltage Rating
The unit is designed to work within the limits of a 110-230 VAC 50-60 Hz mains supply with voltage
fluctuations up to ± 10% of the nominal voltage. The unit is rated impulse withstand (over voltage)
category II of IEC 60364-4-443. Where occasional voltage transients over 2.5 kV are expected or
measured, it may be necessary that the power installation to the unit includes a transient limiting
device.
© 2012; Rotronic AG
E-M-AwTherm v1.1
