FED (E2) 02/2015 page 14/60
4. Installation
4.1 Electrical connection
The chambers are supplied ready for connection. They come with a fixed power connection cable of at
least 1800 mm / 70.87 in in length.
• FED 53, FED 115, FED 240:
Shockproof plug, power supply voltage 230 V (1N~) +/- 10 %, 50/60 Hz
• FED 400, FED 720:
CEE plug 5 poles, power supply voltage 400 V (3N~) +/- 10 %, 50/60 Hz
• FED 53-UL, FED 115-UL:
NEMA plug 5-20P, power supply voltage 115 V (1N~) +/- 10 %, 60 Hz
• FED 240-UL, FED 400-UL, FED 720-UL:
NEMA plug L21-20P, power supply voltage 208 V (3N~) +/- 10 %, 60 Hz
• The socket must also provide a protective conductor
• Prior to connection and start-up, check the power supply voltage. Compare the values to the specified
data located on the chamber‘s type plate (chamber front behind the door, bottom left-hand, chap. 1.4).
• When connecting, please observe the regulations specified by the local electricity supply company
and as well as the VDE directives (for Germany). We recommend the use of a residual current circuit
breaker.
• Pollution degree (acc. to IEC 61010-1): 2
• Over-voltage category (acc. to IEC 61010-1): II
CAUTION
Danger of incorrect power supply voltage.
Damage to the equipment.
Check the power supply voltage before connection and start-up.
Compare the power supply voltage with the data indicated on the type plate.
See also electrical data (chap.12.4).
To completely separate the chamber from the power supply, you must disconnect the power
plug. Install the chamber in a way that the power plug is easily accessible and can be easily
pulled in case of danger.
4.2 Connection to a suction plant (optional)
When directly connecting a suction plant the spatial temperature exactitude, the heating-up and the
recovering times and the maximum temperature will be negatively influenced. So no suction plant should
be directly connected to the exhaust duct.
Active suction from the chamber must only be performed together with extraneous air.
Perforate the connecting piece to the suction device or place an exhaust funnel at some
distance to the exhaust duct.
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