Lehner Liftechnik ALPHA User manual

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Installation Manual
ALPHA
Chair - stairlift

Stairlift ALPHA Installation Manual Edition March 2014
ALPHA stairlift page 1 of 14
CONTENTS
OBSERVE THE FOLLOWING POINTS BEFORE INSTALLATION!..................................2
INSTALLATION OF THE RAILS.........................................................................................3
INSTALLATION OF THE DRIVE UNIT ONTO THE RAIL...................................................5
EXPLANATION OF UPPER AND LOWER TROLLEY........................................................7
SPEED REDUCTION LEVER (SLOWDOWN ARM) FOR CURVE SPEED ........................8
INSTALLING OF THE CHARGING STATION/LIMIT ASSEMBLY .....................................8
OVERSPEED GOVERNOR...............................................................................................12
SOUND INDICATION ........................................................................................................12
PROGRAMMING OF REMOTES ......................................................................................12
TROUBLESHOOTING.......................................................................................................13
ATTACHMENTS................................................................................................................14

Stairlift ALPHA Installation Manual Edition March 2014
ALPHA stairlift page 2 of 14
Observe the following points before installation!
Installation teams must have a general knowledge in:
working on electric controls
basic mechanical engineering and providing adequate fixation of the rails and pillars
reading and understanding circuit diagrams and wiring schematics
The following points are necessary for the installation:
Have a complete tool kit on hand for mechanical and electrical works
Check beforehand what fixing materials (screws, anchor bolts, adhesives) are
required for the proper fixing of the rails to the wall or the pillars to the floor. These
materials are not included in the delivery! The installation company is responsible
for the fixing of the rail to the wall or the pillars to the floor/steps!
Check the packages for shipping damage and missing parts before bringing the lift
to the site. Take pictures of damaged parts as soon as these are discovered to
provide proof for warranty claims.
A team of 1 qualified technician and an assisting technician is necessary to install
the lift.
Beginning the Installation
Bring the platform to the upper landing before fixing the rails in order to prevent damage to
the rail and platform during transport on the staircase! The platform can only be engaged
from the upper end of the rail.
The following tools will be required to finish the installation successfully:
A complete toolset for
mechanical and electrical works
Voltmeter
Drilling machines
Drills, thread cutter
Fixing material based on on-site
requirements
Spirit lever with angle indication

Stairlift ALPHA Installation Manual Edition March 2014
ALPHA stairlift page 3 of 14
Installation of the rails
Step 1: Start fixing the rail from the bottom! Do not start installation from the top.
Add the pillar to the rail posts and place the first rail part on the staircase. Fix the post only
temporarily with the worm screws. Do not fix too tight so not to leave pressure marks on
the paint as you might need to change height of the post during installation.
Step 2: In order to later connect both landings stations to the charger it is necessary to
insert a single phase (1x1mm²) cable into the lower tube. If the rail is short this can be
done at the end of the installation. If the rail is long this should be done while combining
the individual rail parts. In this case please enter the cable into the first part and then,
before combining the rail part, also into the second rail part and so forth.
Step 3: Add the second rail part. Now make sure the vertical measures from the first pillars
Y1 and the first pillar of the second rail part Y2 are correct. Check diagonal measure D1
measured from the step nose to the underside of the lower rail. Check also if the angle
indicated in the installation drawing is respected on the installed rail.
Step 4: Make sure all pillars are vertical and also that both rail tubes are aligned vertically
above each other.
Pillar height
measured from the
center of upper rail
Connection between first
and second rail part
Pilla
r

Stairlift ALPHA Installation Manual Edition March 2014
ALPHA stairlift page 4 of 14
Step 5: Fix the rail parts with the locking pin. Tighten the
other pillars at the correct height with the 3 worm screws.
Step 6: When all rail parts are connected and all pillars a set to the correct height check
again all clearance measures and the correct position of the rail according to the
installation drawing.
Step 7: If all is ok fix the pillars to the steps. Use appropriate fixing material according to
the staircase material.