ThyssenKrupp Access Citia BOS Installation And Service Manual
Battery Operated Systems (BOS)
Stair Lift
Installation and Service Manual
For Do It Yourself (DIY)
Warning!
STRICT ADHERENCE TO THESE INSTALLATION INSTRUCTIONS is required and will promote the safety of those
installing this product, as well as those who will ultimately use it for the purpose intended.
Any deviation from these instructions will void the LIMITED WARRANTY that accompanies the product.
Additionally, any party installing the product who deviates from the INSTALLATION INSTRUCTIONS shall be
taken to agree to INDEMNIFY, SAVE AND HOLD HARMLESS the manufacturer from any and all loss, liability or
damage, including attorneys fees, that might arise out of or in connection with such deviation.
Part #470280
Rev. A
1
This stair lift Installation and Service Manual has been written
to provide clear and precise instructions for proper installation
procedures of the Citia BOS stair lift.
Please refer to the Owner's Manual for warranty information and
operating instructions. The Owner's Manual must be given to
the owner of the lift before it is put into service.
Any alterations to the equipment without written authorization
Table of Contents
I. PRELIMINARY CHECKS ...........................................3
A. Installation site requirements ............................................. 3
B. Tools required .................................................................. 3
C. Shipment ........................................................................ 3
II. TYPICAL COMPONENTS ...........................................4
III. INSTALLATION PROCEDURES ..................................4
A. Time the gear rack ........................................................... 5
B. Determine where the track will be installed ........................... 6
An Introduction to T Bolts .................................................. 7
C. Install the Lower End Cap .................................................. 8
D. Install mounting hardware ................................................ 9
E. Mount the track to the staircase ........................................10
F. Install the chassis assembly into the track ..........................11
G. Installing the fuse ............................................................13
H. Test run the chassis .........................................................13
I. Level the seat hub ...........................................................14
J. Install the seat ................................................................14
K. Adjust seat height ...........................................................15
L. Remote control label ........................................................15
M. Charging the batteries ......................................................15
N. Changing the orientation of the pendant holster ..................15
by ThyssenKrupp Access may void the warranty.
If you have questions concerning the installation or service of
the Citia BOS please contact the Service Department:
ThyssenKrupp Access
4001 East 138th Street
Grandview, MO 64030
800-409-3349
xxIM0805-470251
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IV. COMPLETION PROCEDURES ..................................16
A. Completion Checklist ............................................................16
V. E.T.L. REQUIREMENTS ...........................................17
VI. SERVICE INFORMATION ........................................18
A. General specifi cations ......................................................18
B. Standard equipment ........................................................18
C. Control Board Operation Notes ..........................................19
D. Control Board Diagnostics ................................................19
E. Charging Circuit ..............................................................20
F. Up/Down Logic ...............................................................20
G. Beep Alerts.....................................................................20
H. What to do if the lift is stuck on a fi nal limit switch ...............20
I. Troubleshooting Flowchart if lift won’t run ...........................20
Important! It is imperative that this manual be read and understood
prior to attempting installation of the stair lift. Also, please observe
all cautions and warnings in this manual, as well as labels on the
equipment.
I. PRELIMINARY CHECKS
C. SHIPMENT
A. INSTALLATION SITE REQUIREMENTS
Dedicated* 115 VAC, 60 Hz, 3-wire
grounded outlet within 13’ of the top or
bottom of the staircase.
Stair angle between 25° and 45°.
Must be installed INDOORS
* NEC requirement
B. TOOLS REQUIRED
Set of Phillips head screwdrivers
Tape measure
3/8” reversible drill with 3/8” hex socket and
a 6” extension
3/16” Allen wrenches
Torque wrench rated to at least 18ft.lbs. of
torque
Safety items: steel toe shoes, safety
glasses, gloves, etc.
Torpedo level
Tools for removing hand rail if it interferes
with the travel of the stair lift
13mm socket
1/2" combination wrench
Verify all components are included with the
shipment:
Seat Box:
• Seat assembly
Chassis Box:
• Chassis assembly (mounted to loading tool)
• (1) Power supply
• (2) Remote controls
• (2) 9 volt batteries for remote controls
• Unit small parts
- (1) Set of Velcro
®
- (1) Fuse
Track Box:
• Track pieces (quantity will vary) with gear rack
and splice bars
• Track brackets (quantity will vary)
• (1) Charging wire
• (2) Track end caps
• Small parts kit:
- (1) Tube of lubricant
- (1) 4” long piece of gear rack for splice timing
- Fasteners for track brackets and track end
caps
- Track bracket covers (quantity will vary)
- Splice bars (to be placed in track, quantity will
vary)
4mm Allen wrench (included)
3mm Allen wrench (included)
1/8" Allen wrench
Something heavy to hold track in place
during install.
Mallet and fl athead screwdriver
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II. TYPICAL COMPONENTS
Swivel
Seat
Handle
Unit Control
Fixed or
Fold-Up Seat
(depends on
model)
Begin by laying out your track on the oor and
removing any plastic wrap that may be around
the track.
NOTE: While we begin laying out the track on the
oor, some people may nd it easier to lay out
the track on the staircase. If this is easier, you
may do it that way, however, make sure you have
something heavy to keep the track from sliding
down the stairs.
A stock unit may include as few as 1 or as many
as 4 custom cut sections of extruded aluminum
track. The track is cut at the factory. Make sure
the track is positioned so the bottom is facing up.
You may have extra gear rack in your track. Gear
rack should be installed on the SIDE of the track.
If you have any gear rack placed in the BOTTOM
of the track, use the supplied 3mm Allen wrench
and loosen, but do not rem
ove, the bolts from the
gear rack. Once loosened, slide the extra gear
rack out of the track.
Chassis
Folding
Footrest
Pictured above is a "Supreme" model. This line of stair
lifts features interchangeable seats. The seat on the
unit you are installing may not look exactly like this.
Regardless, the installation procedures are alike.
III. INSTALLATION PROCEDURES
Your stair lift will include three boxes:
Track Box
•
Chassis Box
•
Seat Box
•
IMPORTANT: The following instructions are for
building the track on the oor and then moving it
to the staircase. Keep in mind that with regard to
ceilings and doorways, a completed track, which
can easily exceed 10 feet long, can be very difcult to maneuver between rooms or doorways.
Some people may nd it easier to assemble the
unit directly on the staircase. This is perfectly
acceptable, however, please be advised of the
inherent danger of falling while working on a
staircase due to an uneven stance and smaller
working space.
Track with Gear Rack Installed
Top of track
Extra Gear Rack which
will need to be removed.
Bottom of track
Splice all the pieces of track together. With the
track laying so the bottom is facing up, line
up the sections of track you need to splice together.
Loosen the set screws in the splice bars with the
4mm Allen wrench.
Track
Set Screws
Track
4
Tip
If the splice bars do not slide in easily, use the
fl athead screwdriver and the mallet to gently tap
the splice bars into place.
Slide the two pieces of track together so that only a
hairline joint remains between them. Center the splice
bars on the joint as shown below and tighten the splice
bars onto the track.
Note the small, hair-line
joint between the two
pieces of track.
The splice bars are
centerd on the joint
between the two pieces
of track.
A. TIME THE GEAR RACK
Loosen the set screws in the top sections of gear
rack and slide them up until the gear rack in the
upper track section is 6' from the top.
Note: Multiple sections of gear rack need be slid into
the track. This may cause the gear rack to not
be fl ush with the bottom end of the track. This is
fi ne, as long as the gear rack stop no less than
5 ⅝ from the bottom of the track. Any longer
is fi ne.
The gear rack MUST be
6" from the top of the track.
Make sure this measurement is accurate.
6"
Track at top of
staircase
(side view)
Between each piece of gear rack, you will need to
"time" the teeth. To do this, use the short piece
of gear rack that comes in the small parts box.
Push the two pieces of gear rack close to each
other and then force the 4" piece of on top of
the gear splice, like this:
A short piece of gear rack
is provided in the small
parts kit to properly space
the gear rack splices.
Do not tighten gear rack until
the proper spacing has been
achieved.
The gear rack needs to
extend into this range for
correct installation.
5⅝"
Track at bottom of
(side view)
staircase
There may be a gap between two pieces of gear
rack when spacing the splice. This is acceptable
as long as the distance between the teeth is
consistent.
When the gear rack is timed, use the 4mm
Allen wrench to tighten the gear into place.
Note: There is not a top or bottom end of the gear
rack, however the gear rack will be needing to
face the wall, i.e., if it's a left hand installation,
the gear rack will need to face the left hand wall.
Make sure your track is oriented this way.
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B. DETERMINE WHERE THE TRACK WILL BE
INSTALLED
Double check the orientation of your stair lift.
The chassis box of your stair lift will be marked as
either a Left Hand unit or a Right Hand Unit.
Optional Mounting (Angled View)
Stand at the bottom of the staircase on which you will
be installing the lift. A left hand unit will be traveling up
the left side of the staircase and a right hand unit will
be traveling up the right hand side of the staircase.
If the handedness of the unit is consistent with the lift
you ordered, continue the installation. If the handedness is wrong, please contact the authorized seller
fo the unit.
Verify there is adequate
clearance at the lower land-
Fig.1
Door jamb/other obstruction
ing for the track and seat.
Minimum clearance required
beyond the bottom step is
10" plus the depth of one
step (see Fig. 1).
3/8" [10mm]
1/4"-20NC Bolts
Optional Mounting Side View
Bolt is 3/8” from
end of track
1/4-20NC Bolt
Depth of
Step
10"
If you will be mounting the track so that it stops
at the bottom step instead of the lowest landing, you MUST drill a hole through the side of
the track and insert at least a 1/4"-20NC bolt
(supplied) on each side of end of the track to
act as a mechanical stop in case of complete
mechanical or electrical failure.
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An Introduction to T-Bolts
T-bolts will
fit here
This is the
bottom of the
track
T-Bolt Nut
T-Bolt
The T head of
the bolt must be
placed parallel to
the channel in the
track. Push it into
the channel and
twist to lock in
place.
Throughout the installation of the track,
you'll be using T-bolts to attach track
brackets and a grounding bolt.
A T-bolt can be a tricky thing if you can't
see what you're doing, so we've included
this handy reference guide to walk
you through what should be going on
underneath the track.
This is the stair lift Track on its side:
This is the
T-bolts will
fit here
Gear Rack goes
in this channel
bottom of the
track
The T head of
the bolt simply
drops into the
channel on the
track. Once the
bolt is turned, the
T head catches
in the channnel
and a bolt can be
tightend down.
See pictures
below.
The T head of
the bolt must be
placed parallel to
the channel in the
track. Push it into
the channel and
twist to lock in
place.
Your T-Bolts look like this:
T-Bolt
T-Bolt Nut
The handy thing about a T bolt is that
even when the track is on the staircase,
you can reach to the underside of the
track, snap the bolt in place and screw
it in.
Now that the T
Bolt is locked in
the channel you
can apply the nut.
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