Lehner Lifttechnik DELTA Instruction Manual

Delta | User handbook Version 07/2022
User handbook
Platform stairlift „Delta“
Edition: July 2022
Version 1.01
Lehner Lifttechnik GmbH
Salling 8
4724 Neukirchen am Walde
Austria
Tel: [phone]
E-Mail: [e-mail]
Web: www.lehner-lifttechnik.at

Delta | User handbook Version 07/2022
CONTENTS
1Introduction.......................................................................................................................................................... 1
2Attention –Safety first...................................................................................................................................... 2
2.1 Key Symbols used in this handbook................................................................................................... 2
2.2 Operator of the Delta stairlift................................................................................................................ 3
2.3 User group ................................................................................................................................................. 3
2.4 Installation area......................................................................................................................................... 3
2.5 Qualified workers ..................................................................................................................................... 3
2.6 Decommissioning..................................................................................................................................... 3
2.7 Duty cycle................................................................................................................................................... 3
2.8 Keys.............................................................................................................................................................. 3
2.9 Intended use.............................................................................................................................................. 4
2.9.1 Safety instructions................................................................................................................................ 4
2.1 Use of the platform stairlift.................................................................................................................... 5
2.2 General Layout.......................................................................................................................................... 6
2.3 Platform........................................................................................................................................................7
2.4 Technical details ....................................................................................................................................... 8
3Overview of the functions of the Delta ....................................................................................................... 9
3.1 Safety devices............................................................................................................................................ 9
3.1.1 Platform barriers and ramps............................................................................................................. 9
3.1.2 Safety bottom....................................................................................................................................... 9
3.1.3 Lateral contact bars............................................................................................................................. 9
3.1.4 Overload device................................................................................................................................... 9
3.1.5 Emergency stop ................................................................................................................................... 9
3.1.6 Alarm button......................................................................................................................................... 9
3.1.7 Overspeed governor and safety gear............................................................................................ 9
4Operation ...........................................................................................................................................................10
4.1 Main power switch..................................................................................................................................10
4.2 Operating elements on the platform.................................................................................................10
4.3 Using the remote control.......................................................................................................................11
5Battery charge system.....................................................................................................................................13

Delta | User handbook Version 07/2022
5.1 The beeper................................................................................................................................................13
6Operating the platform...................................................................................................................................14
6.1 Calling the platform................................................................................................................................14
6.2 Driving onto the platform.....................................................................................................................14
6.3 Driving with the platform......................................................................................................................15
6.4 Leaving the platform..............................................................................................................................15
7Troubleshooting ...............................................................................................................................................16
7.1 General.......................................................................................................................................................16
7.2 Status messages on the display ..........................................................................................................17
8Rescue of passengers.....................................................................................................................................20
8.1 Case 1: The occupied platform is near a stop position................................................................20
8.2 Case 2: The occupied platform is not close to a stop position..................................................21
8.2.1 Emergency unclamping of barriers ..............................................................................................23
9Control and maintenance .............................................................................................................................24
9.1 Security checks........................................................................................................................................24
9.2 Cleaning....................................................................................................................................................24
10 Maintenance..................................................................................................................................................... 25
10.1 Review .......................................................................................................................................................25
10.2 Maintenance instructions..................................................................................................................... 25
10.2.1 Platform controls...........................................................................................................................25
10.2.2 Mechanics of the platform barriers, the ramps and the platform motor...................... 26
10.2.3 Safety bottom and contact bars ............................................................................................... 26
10.2.4 Guide rails / rack ...........................................................................................................................26
10.2.5 Trolley wheels.................................................................................................................................26
10.2.6 Fastening the rail and the support........................................................................................... 26
10.2.7 Safety gear / Overspeed governor.......................................................................................... 26
10.2.8 Mechanical switches.....................................................................................................................26
10.2.9 Gearbox and drive motor........................................................................................................... 27
10.2.10 Signalling devices.......................................................................................................................... 27
10.2.11 Documents / Emergency release key...................................................................................... 27
10.3 Lubricants and operating materials, spare parts........................................................................... 27
10.3.1 Lubricants and operating materials ......................................................................................... 27

Delta | User handbook Version 07/2022
10.3.2 Spare parts...................................................................................................................................... 27
11 Installation..........................................................................................................................................................28
11.1 Electrical works........................................................................................................................................28
11.2 Mechanical installation..........................................................................................................................28
11.3 Dismantling..............................................................................................................................................28
12 Declaration of conformity .............................................................................................................................29
13 Duties of the operator....................................................................................................................................30
14 Requirements for the maintenance company..........................................................................................31
15 Installation and maintenance notes ...........................................................................................................32

Delta | User handbook Version 07/2022 page 1
1INTRODUCTION
First of all, we would like to congratulate you on your purchase of a stair lift from Lehner Lifttechnik
GmbH and welcome you to our large circle of satisfied customers. For more than 30 years, our lifts
have been known as reliable means of transport, which are characterised by individual adaptation
to structural conditions.
The Delta stairlift represents a new generation of platform stairlifts with technology that has been
tried and tested over many years. The unit has been built in accordance with the currently valid
European safety regulations.
As with any equipment that operates under load and whose parts are in motion, the
utmost attention is required. Please read this user manual carefully. Make sure that every
user of the lift has read and understood the user manual before using the lift. You will
find instructions on how to operate the lift as well as safety instructions.
By using this manual, you will benefit from Lehner Lifttechnik’s many years of experience in the
operation of stairlifts. Proper care of the system on your part as well as scheduled maintenance by
a competent company will provide you with a reliable lift system for a long period of time.
Lehner Lifttechnik GmbH and our authorised partner companies offer you a comprehensive
maintenance programme specially adapted to the operation of your system. Take advantage of the
manufacturer's experience to achieve the highest possible efficiency from your stairlift system.
Keep this instruction manual for future reference.
Lehner Lifttechnik GmbH expressly disclaims all liability for breakdowns caused by disregard of these
instructions, non-compliance with the safety instructions or incorrect handling. If such breakdowns
have to be repaired by our personnel, this will also be invoiced within the warranty period.
We wish you much pleasure with the Delta platform stairlift!

Delta | User handbook Version 07/2022 page 2
2ATTENTION –SAFETY FIRST
This manual also contains instructions for emergencies. Therefore, it must be ensured that this
manual is always available at the installation and kept accessible to the operator, elevator attendant,
rescue, and maintenance personnel.
Please pay careful attention to the next points/instructions:
2.1 Key Symbols used in this handbook
Pay attention to all paragraphs marked with this sign. These paragraphs contain
important hints that will insure flawless operation of the lift.
Warning: In the case of text passages with this sign, failure to observe the procedure
indicated may lead to dangerous situations, causing personal injury or damage to
property. Therefore, read these points with special care.
Pay attention! Do not execute the actions marked with this sign! Failure to observe
this warning will result in immediate increased danger and personal injury or damage
to property may occur.
All photos shown in this handbook or pictures are symbolic and can differ from
reality.
Photo

Delta | User handbook Version 07/2022 page 3
2.2 Operator of the Delta stairlift
At least one responsible person must be appointed for each stair lift; this person must be easily
accessible during the operating time of the installation. The installation must be maintained in a safe
condition. If the installation is found to be unsafe, it must be taken out of service immediately;
accidents must be reported immediately to the expert (lift inspector) or the manufacturer. The
person in charge must ensure on a weekly basis that there are no defects that are obviously
dangerous to operation and that the tasks listed in the chapter "Duties of the stairlift operator" are
carefully performed.
2.3 User group
Only specially instructed persons are to use the Delta stairlift and must take responsibility for all
others who are present.
Users who are not able to fulfil these requests, as well as children, need an attendant person who
takes responsibility over the user.
2.4 Installation area
Delta lifts can be mounted on staircases and ramps. The lift, however, is not designed for use in
unusual areas (like areas in danger of explosion, areas surrounded by aggressive chemical
substances, …). Outdoor use is possible, but the parts must remain clear of ice and snow in winter.
2.5 Qualified workers
Installation, maintenance, repairs, and checks must be carried out by qualified persons, preferably
by partner companies authorized by Lehner Lifttechnik.
2.6 Decommissioning
If the system is taken out of operation for cleaning, maintenance, or repair work, it must be protected
against unintentional movements. The key switches on the controls must be switched off and the
keys removed.
2.7 Duty cycle
The Delta stairlift was constructed for being 4 minutes in motion per 10 minutes. In case that the
stairlift is permanently in operation, the motor could get too warm and become defective.
2.8 Keys
Keys should be kept in a safe place, away from those who are not to use the lift. Remove the key
from the control when it is not in use.

Delta | User handbook Version 07/2022 page 4
2.9 Intended use
2.9.1 Safety instructions
Please note the following points for correct use:
•The Delta stairlift is designed exclusively for transporting a person in a wheelchair or
seated on a designated seat.
•Never ride standing on the platform (risk of injury to the head, risk of falling).
•The stair lift is not intended for transporting loads.
•Always lock the lift so that children cannot use it.
•Adhere to the specified maximum loads and observe the available platform size.
•Observe the instructions attached to the lift.
•Observe the following points for correct use.
•Passers-by going up or down the stairs must avoid any contact with the platform.
Stairlift users must always be aware of pedestrians or other obstacles.
•Do not use the platform lift in case of fire! There could be a power failure during the
ride and the user would be trapped.
•Never exceed the permissible payload. The payload is indicated on the platform
control panel.
•Never bring your hands or loose clothing near the ride rail or the back wall of the
platform when the lift is in motion. Passengers must remain in the wheelchair or seat
throughout the ride.
•Do not open the barriers by force.
•Do not disable any safety device by making mechanical or electrical changes to the
system. All types of adjustments and/or modifications to the installation are
prohibited without the written consent of Lehner Lifttechnik.
•The stairlift may only be used by one person at a time. Accompanying persons are
not allowed to ride on the stairlift under any circumstances. Otherwise there is a risk
of falling.
Preventive checks and regular maintenance of the installation are highly recommended and will
guarantee you long-term, safe operation. Report anything unusual to your service technician. Do
not use the lift in case of irregularities, unusual noises and vibrations - call the service immediately.
All instructions and advice from experts, fitters and service personnel must be followed.

Delta | User handbook Version 07/2022 page 5
2.1 Use of the platform stairlift
The platform lift may only be used if it is in technically perfect condition. Any malfunction that could
affect safety must be avoided or eliminated.
Inform your service technician of anything unusual. Do not use the platform lift in the event of
irregularities or unusual noises - call the service agent immediately.
Before entering the up or down command, make sure that no one will be endangered
by the movement of the system. Always look in the direction of travel!
Goods may only be transported if sufficient stability is ensured so that they cannot slip or fall over.
Keep the keys in a safe place and do not give them to unauthorised persons. Do not leave the keys
on the call points when the stage is not in use.