KBF / KBF-UL + KMF (E6) 09/2021 page 35/160
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.
Remark when operating the chamber with a power frequency of 60 Hz:
When connected to a power supply 1N~ with a frequency of 60 Hz, a leakage current of more than 3.5
mAmp is possible. If grounding through the power cable is insufficient or missing, the leakage current may
flow through the user’s body. Correct installation of the professional grade power socket provided by the
user safely avoids this. Before connecting the chamber to the socket, please check its grounding contact
type plug for appropriate construction and if it is undamaged.
DANGER
Electrical hazard by high leakage current.
Deadly electric shock.
Earth connection is essential before connecting supply. Check socket before inserting
plug.
4.5 Connection of the voltage changer (option for KBF)
The voltage changer enables the constant climate chamber to operate at a power frequency of 115 Volt. It
is packed separately and supplied together with the constant climate chamber.
The voltage changer is supplied with a fixed power connection cable with a NEMA 5-20P plug. It is protected
against excess-current with an internal over-current release category B16A. The connection is made by the
customer.
CAUTION
Risk of injury and damages by lifting heavy loads and by sliding or tilting of the
voltage changer due to improper lifting.
Injuries, damage to the voltage changer.
Lift the voltage changer at both carrying handles from the pallet with two persons.
Do not install the voltage changer in the exhaust air flow at the rear of the constant climate chamber.
For the installation of the voltage changer next to the constant climate chamber, provide a wall distance the
alternating climate chamber of approx. 0.4 m / 1.3 ft.
Danger of overheating due to lack of ventilation.
Damage to the voltage changer.
∅ Do NOT install the voltage changer in unventilated recesses.
Ensure sufficient ventilation for dispersal of the heat.
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