PG DRIVES TECHNOLOGY
23
CHAPTER 2 - INSTALLATION
SK77898/2
1 Documentation
1.1 VR2 Operation
Study Chapters 1,2 and 3. It is important that the operation information in these
chapters is supplied with the wheelchair, either as part of the wheelchair user
handbook or as a separate document.
This chapter sets out the installation conditions that must be complied with in order
to meet the safety requirements of TÜV (Germany), ISO7176-14 and EN12184.
1.2 Program Settings
The VR2 control system is supplied with PGDT defined generic program settings.
It is the manufacturers responsibility to program the control
system to suit the vehicle model and ensure safe operation
in compliance with relevant legal requirements over the whole
of the operating range. PGDT accepts no liability for losses
of any kind due to failure to, or incorrect programming or
the VR2 Control System. Refer to Chapter 3 for programming
details.
The wheelchair must stop within the maximum distance specified for the country in
which the wheelchair will be used. TÜV Product Service (Germany) specify the distance
to be as stated in EN12184.
If users with particular disabilities need very low braking rates and this results in a
longer stopping distance, the maximum speed must be re-programmed so that
the stopping distance requirement is satisfied.
State in the wheelchair user handbook that it is the responsibility of the person
programming the control system to make sure that the stopping distance requirement
is satisfied. If the braking rate is low, the forward and reverse maximum speed settings
may need to be re-programmed. To assist the person in this task, include a graph in
the wheelchair user handbook showing the relationship between the maximum
forward/reverse speed settings and the forward/reverse braking rate which is required
to ensure the correct stopping distance.
It may be possible to program settings which compromise the stability of the
wheelchair. Perform suitable tests to establish which programming restrictions are
needed to prevent instability. State any programming restrictions in the wheelchair
user handbook.
State in the wheelchair user handbook that it is the responsibility of the person
programming the control system to make sure that the settings are safe and to note
any programming changes that they make.
Programming should only be conducted by healthcare
professionals with in-depth knowledge of PGDT electronic
control systems. Incorrect programming could result in an
unsafe set-up of a wheelchair for the user. PGDT accepts
no liability for losses of any kind due to failure to, or incorrect
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