Power Supply Connection - Thermo Scientific Safe 2020 Operating Instructions Manual

Operating Instructions Safety Cabinet Safe 2020 / Maxisafe 2020
5. Start-up
5.4

Power supply connection

Establishing the power supply connection:
1. Before connecting the device to the power supply system, check to see if the
voltage of the outlet corresponds with the specifications on the nameplate
of the device. If the ratings given for voltage (V) and maximum current (A)
are not correct, the device must not be connected to the power supply
system.
2. Connect the grounding plug of the device to a properly grounded and fused
outlet.
• The outlet must be fused separately using a fusible link T 16 A or using
a circuit breaker B 16.
3. Make sure that the power supply line is not subjected to tensile or compressive
force.
Installation of the power supply connection:
To protect against accidental switch-off, the outlets for the connection to the power
supply must be located outside the normal hand reaching range and must be
accessible only to auhorized personnel. Ideally, the outlets should be installed
above the safety cabinet.
Connecting the equipotential bonding:
If the sample chamber is supplied with media (gas, water, etc.), the on-site
equipotential bonding must be connected to one of the premounted threaded
bushings either at the top of the housing or at the stand.
Initialization routine:
After the unit has been connected to the power supply system, the device control
runs through a start-up initialization routine and switches the functions to the OFF
mode. The safety cabinet is now operational and can be operated using the
operating panel or the pilot switch
Presetting the alarm limits upon initial operation, Maxisafe 2020:
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WARNING – High voltage!
Contact with current-carrying components may
cause a lethal electric shock.
Before connecting the device to the power
supply system, check plug and power supply
cable for possible damage.
Do not use damaged components to connect
the device to the power supply system!
NOTE – Presetting the alarm linits
The alarm limits must be set only upon the
initial operation of the device.