Hermann Bock practico ultra low 9.5/80, Инструкция по установке и эксплуатации

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3 Electric components
3.1 Drive:
The drive unit consists of individual drives for the electrical adjustment of the back and
leg rest part. The level adjustment takes place via two lifting columns that are attached
to the head or foot end. A switching power supply with a rectifier that converts the input
voltage into low voltage power of 29 VDC (direct current) is part of the internal control
box. The motors, lifting columns and the hand control function with this non-hazardous
low voltage.
A power adjustment provides constant speed. Therefore, the safety functions comply
with protection class II and the moisture barrier protection type IPX4.
The maximum duty cycle is specified on the (type plate) of the bed. For example: 10% (2
min. ON / 18 min. OFF) means that any electronic adjustment can be operated maximal
2 minutes. After that, the unit switches off for 18 minutes (protection against overheat-
ing).
If the maximum setting time of two minutes is exceeded by two minutes (e.g. someone
plays continuously with the hand control), which could lead to overheating of the drives,
the thermal fuse immediately shuts off the power supply to the bed. After a cooling
down time of approx. one hour, the power will be again automatically supplied.
3.2 Locking device for all functions
The series hand control is equipped with a built-in locking device, which allows the care
givers to lock the hand switch via a key completely or partially for its operation.
3.3 Lockable hand control (first-fault protected)
The base functions can be controlled through the ten operation keys on the hand con-
trol. The three icons in the centre indicate a special function that can be carried out by
simultaneous applying finger pressure on the adjacent keys. The individual keys are
marked with corresponding symbols. The servomotors run until as long as a correspond-
ing key is pressed and held. A coiled cable allows the necessary freedom of movement
while operating.
With the rear-mounted suspension unit, the hand control can be attached to the side rail
- particularly when cleaning and during the maintenance of the bed. Thus, a possible
disruptive position of the hand control can be avoided by simply attaching it to any pre-
ferred spot on the bed.
Function keys: