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SERVICING
10.4
MEASUREMENT OF OVERALL ELECTRICAL SYSTEM
The measurements described here must only be performed by a
qualified electrician or by an electrotechnically trained person, (using
suitable measuring and testing devices).
The measurements shall include as a minimum the testing of the housing leakage current and
the measurement of the isolation resistance.
The following measured values must be attained:
• Housing leakage current
<= 0.2mA
• Isolation resistance
<= 7M
Ω
During testing, the corresponding button on the handset must be kept constantly pressed.
The measurement is to be performed between:
• The control unit and the bed frame
• The control unit and the handset
10.3 CHECKING THE INITIAL FAULT SAFETY BY MEANS OF THE INTEGRATED
CONTROL BOX IN THE HANDSET
The switching positions I and II are testing
settings used only to check the safety during the
annual inspection, or after repair work, or each
time bed is put into service again.
To check the safety equipment, proceed as follows:
Setting switch position 4 - padlock symbol open
Move all bed adjustments to a slightly raised position.
Setting switch position 3 - padlock symbol closed
When operating the adjustment buttons, no motorised adjustments should be possible.
Set switch on the back of the handset to testing position 1 (symbol I).
When operating the adjustment buttons, no motorised adjustments should be possible.
Set switch on the back of the handset to testing position 2 (symbol II).
When operating the adjustment buttons, no motorised adjustments should be possible.
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Содержание WOBURN COMMUNITY 1200
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