OmarLift C40 User manual

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D846MGB -Rev. 04 1/14
INSTRUCTION MANUAL FOR HOMELIFT CONTROL
UNIT C40 - C50

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D846MGB -Rev. 04 2/14
1 Contents
1Contents................................................................................................................................................... 2
1 General information before installation..................................................................................................... 3
1.1 Description of the terminology........................................................................................................... 3
1.2 Description and operating principle ................................................................................................... 3
1.3 Responsibility and warranty............................................................................................................... 3
1.4 Health and Safety Warnings.............................................................................................................. 3
1.5 Cleaning and pollution precautions ................................................................................................... 4
2 Installation manual.................................................................................................................................... 4
2.1 Installation manual –Mechanical installation .................................................................................... 4
2.1.1 General information ................................................................................................................... 4
2.2 Dimensions, Homelift System Range............................................................................................... 5
2.2.1 Homelift control unit.................................................................................................................. 5
2.2.2 System range............................................................................................................................. 6
2.2.3 1-speed HOMELIFT - Hydraulic and speed diagram ................................................................ 8
2.2.4 2-speed Homelift - Hydraulic and speed diagram .................................................................... 8
2.2.5 Diagram of 1-speed descent-ascent Homelift ......................................................................... 9
2.2.6 Diagram of 2-speed descent-ascent Homelift .......................................................................... 9
3 Use and maintenance............................................................................................................................... 9
3.1 Piping and hydraulic connections...................................................................................................... 9
3.2 Maintaining the hydraulic system ...................................................................................................... 9
4 Wiring........................................................................................................................................................ 9
4.1 Wiring................................................................................................................................................. 9
4.2 Connection box.................................................................................................................................. 9
The connection box is situated on the control unit cover next to the valve block..................................... 9
5 Calibration and adjustment of HOMELIFT valve ................................................................................... 10
5.1 Homelift valve, 1 speed .................................................................................................................. 10
5.2 Homelift valve, 2-speed.................................................................................................................. 10
................................................................................................................................................................ 10
6 Maintenance, inspection, repair and safety emergency ......................................................................... 11
6.1 General points ................................................................................................................................. 11
6.2 EM manual emergency valve .......................................................................................................... 11
6.3 Emergency manoeuvre with hand pump......................................................................................... 12
6.4 Leaks inside the valves unit............................................................................................................. 12
6.5 Replacing VBP valve seal................................................................................................................ 12

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D846MGB -Rev. 04 3/14
1 General information before installation
1.1 Description of the terminology
Homelift valve
Main control valve
EM valve
Manual emergency valve
EVD
Descent solenoid valve
EVR
Flow adjusting solenoid valve
PM
Hand pump
1.2 Description and operating principle
The Homelift control unit C40-C50 is in
accordance with the Machinery Directive 2006/
42/ EC.
Depending on the configurations required as
options, it will also comply with the European
standards EN81-2:1998 and A3:2009 in
accordance with the Lift Directive 95/16/EC and
standard EN81-41.
1.3 Responsibility and warranty
These instructions have been written for people
with experience of installing, adjusting and
maintaining hydraulic lifts.
OMARLIFT is not liable for harm caused by
improper use or use other than that prescribed in
these instructions or by the inexperience or
carelessness of the persons assembling,
adjusting or repairing the lift’s hydraulic
components.
OMARLIFT’s warranty is also voided if different
components or non-original spare parts are
installed, if unauthorised changes or repairs are
carried out or are carried out by non-qualified or
unauthorized persons.
Unless otherwise stated, the following activities
are prohibited for technical safety reasons:
- any type of change to the product;
- installation of the product for other purposes
than those described;
- damage to any seal;
- incorrect or improper maintenance or
inspections;
- the use of unsuitable accessories, spare parts
or operating material that are not approved by
OMARLIFT or are not original OMARLIFT spare
parts;
1.4 Health and Safety Warnings
In the course of these instructions the important
health and safety points will be marked by the
following symbols:
General hazard warning
High hazard risk warning. Risk of personal
injury (e.g. crushing, cutting edges,
protruding parts, etc.)
Risk of damage to components (for
example incorrect installation or the like).
Important information symbol, important
notice.
Risk of electric shocks (exposed parts
carrying live voltage).
In addition to the instruction manual, you must
comply with generally applicable national
standards, standards, rules and other standards
governing health, safety and the protection of the
environment and special operating conditions
such as the use of a lift and work equipment (e.g.
company processes or transport of personnel).
Installation and repair technicians are the first
people to be responsible for their own safety.
This Instruction Manual applies to the entire life of
the system/product from installation, during
normal operation; from the tests until
maintenance; it is an integral part of the system
and must be kept in a protected and accessible
place by the installation technician.

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D846MGB -Rev. 04 4/14
Before starting installation work:
Access to the site, installation, commissioning and
maintenance of the system must be performed
only by expert personnel.
-Install safety devices to protect personnel
and prevent them falling (for example
platform or harnesses)
-Cover (safely)any open floor or walls
-Use safe installation tools and objects that
prevent accidental falls
-Open stroke chambers must be closed and
warning notices must be prominently
displayed when working in open areas.
Work involving electrical equipment must be
carried out by an electrician or qualified person.
1.5 Cleaning and pollution precautions
Impurities and dirt inside the hydraulic system
cause faults and wear.
All parts of the system that are dismantled for
controls or repair, as also the pipes and fittings,
must be completely clean before they are refitted.
Any oil leaks from the circuit during repair
operations must not leak into the environment but
must be immediately cleaned up with rags or
sponges.
2 Installation manual
2.1 Installation manual –Mechanical
installation
2.1.1 General information
Before starting installation, it is in your
interest to check the structural and spatial
limits within which you will have to work.
Consider where (workshop or elsewhere) and
when the assembly methods have to be applied.
All the relevant conditions must therefore be
considered in advance that relate to the various
work procedures and no action should be taken
without first considering the consequences. Check
that the goods received contain everything
requested and that all the products and individual
parts are as prescribed and have not been
damaged during transit.
The information on the rating plate must be
compared with the order form.
During the period of storage, keep the
material in its original package, protected
from bad weather and direct exposure to the sun
in order to avoid accumulations of
water/condensation that could occur inside the
packaging. (See technical data on temperature
and humidity limits). Never dump packaging
material in the environment. Once the product has
been dismantled, it must be disposed of correctly
in compliance with local laws; do not dump in the
environment. Before recycling, check the nature of
the various materials and recycle in the prescribed
manner.
OMARLIFT accepts no liability for harm
arising from tampering with (or changes
to) the packaging material by third parties.
Any installation situation that is different
from the original situation proposed must
be discussed with OMARLIFT. Any situation that
is not allowed by OMARLIFT (for reasons of
patents, legal, technical or other reasons) is
considered to be the responsibility of the installing
technician and may void the warranty.
Follow these points when installing or replacing
components of the hydraulic system:
-Always bring the lift cabin to rest on the
shock absorbers;
-Make sure that the lift cannot be actuated
accidentally by switching off the master
switch;
-Before opening any part of the hydraulic
circuit, removing plugs or loosening fittings,
always reduce oil pressure to zero.
- In the event of welding operations, prevent
waste coming into contact with oil or with the
rod and its seals and all the elastic parts of
the system;
- Eliminate the oil loss, eliminate oil leaks,
maintain the system clean at all times so
that any leaks can be easily identified and
eliminated.

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D846MGB -Rev. 04 5/14
2.2 Dimensions, Homelift System Range
2.2.1 Homelift control unit
Figure 2
The dimensions for the C50 tank are shown between brackets.
Main components:
1 –Outer motor
2 - Pump
3 –Delivery pipe
4 –Pressure gauge
5 –Hand pump
6 –Filter block
7 –Electrical box
8 - Tank
9 -Oil filling plug
10 –Oil dipstick
Figure 1
Figure 2

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D846MGB -Rev. 04 6/14
2.2.2 System range
Figure 3
Figure 4
Static pressure
[bar]
Rod total stroke + any pulley until axis
Effective total load on the rod
[kg]
Rod total stroke + any pulley until axis
Effective total load on the rod [kg]
Rod total stroke + any pulley until axis
Static pressure
[bar]
Static pressure
[bar]

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D846MGB -Rev. 04 7/14
Type pump
unit
HOMELIFT V1- V2
50Hz
12
16
23
Pump [l/min]
Ø Rod [mm]
1,5
1,8
1,5
1,8
2,2
2,9
1,5
1,8
2,2
2,9
Motor [kW]
9,2
13
9
13
15
17
9
13
15
17
1AC 230V [A]
6,2
7,6
6,2
7,6
10
13,6
6,2
7,6
10
13,2
3AC 230V (Delta) [A]
3,6
4,4
3,6
4,4
5,8
7,6
3,6
4,4
5,8
7,6
3AC 400V (Star) [A]
55
66
45
53
56
68
32
40
45
56
Max static press. [bar]
50
0,10
0,13
0,19
Car speed [m/s]
60
0,07
0,09
0,13
70
0,05
0,07
0,09
80
0,04
0,05
0,07
85
0,03
0,04
0,06
90
0,02
0,03
0,05
CT - 2 - 40*
0,11
0,15
0,21
CT - 2 - 50*
0,06
0,08
0,12
*CT –Telescopic cylinder two stages
Table 1
Table 2
Table 3
NOISE LEVEL : Max 62 dB(A) at 1 meter distance in standard test conditions (*).
(*) As confirmed by the measurement made in the room "TEST OMARLIFT"
Tank type
Tank capacity (liters)
Min. oil level (liters)
Usable oil (liters)
C40
43
14
29
C50
53
12
41

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D846MGB -Rev. 04 8/14
2.2.3 1-speed HOMELIFT - Hydraulic and speed diagram
Figure 5
2.2.4 2-speed Homelift - Hydraulic and speed diagram
Figure 6
<
LEGEND:
1-
MAXIMUM PRESSURE
VALVE CALIBRATION
2-
LOW SPEED
ADJUSTMENT
3-
ADJUSTMENT OF
COUNTERPRESSURE
AND ROPE ANTI-
FLEETING
4-
PRESSURE VALVE
REACTION TEST
5-
CHOKE DEVICE FOR
DECELERATING
FROM HIGH TO LOW
SPEED
6-
ASCENT SPEED
LIMITER
7-
CHOKE DEVICE FOR
PRESSURISING AND
ASCENT START
8-
DESCENT SPEED
ADJUSTMENT
9-
CALIBRATION OF
HAND PUMP
PRESSURE

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D846MGB -Rev. 04 9/14
2.2.5 Diagram of 1-speed descent-ascent
Homelift
Figure 7
2.2.6 Diagram of 2-speed descent-ascent
Homelift
Figure 8
LEGEND:
R –ASCENT DECELERATION POINT
S - ASCENT STOP POINT
Q –DESCENT DECELERATION POINT
T - DESCENT STOP POINT
L –UPPER LEVEL
P –LOWER LEVEL
3 Use and maintenance
3.1 Piping and hydraulic connections
For the connection of the control unit to the
cylinder, both pipes made of standardized pickled
cold-drawn steel and high-pressure hoses or mixed
piping can be used.
(Minimum curvature radius 240mm, ¾” R1AT
pipe).
3.2 Maintaining the hydraulic system
The hydraulic components are not subject to heavy
wear, are safe and require little maintenance. In
order to obtain these results, the components must
be chosen carefully and be of the correct
dimensions and the oil must be appropriate to the
system features.
4 Wiring
4.1 Wiring
Wiring must be carried out by expert and
qualified personnel in compliance with the
specific standards.
Before embarking on any task,
disconnect the power supply by
disconnecting the master switch.
The cross section of the power supply
cables must fit for the current required
and the insulation be suitable for the
network voltage. Connecting cables
must not be in contact with any part
subject to strong heating.
The grounding cable must always be
connected with the bolt marked with the
relevant symbol.
4.2 Connection box
The connection box is situated on the
control unit cover next to the valve block.
d
e
s
c
e
n
t
a
s
c
e
n
t
d
e
s
c
e
n
t
a
s
c
e
n
t

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D846MGB -Rev. 04 10/14
The standard control unit box includes
(see Figure ):
Electric motor U (1 - brown)
Electric motor V (2 - blue)
Grounding bolt
Motor guard (3 - black)
Motor guard (4 - gray)
Oil heating resistance (option)(5-6)
Oil thermal protection (70°)
Figure 9
5 Calibration and adjustment of HOMELIFT
valve
5.1 Homelift valve, 1 speed
Figure 30
Figure 11
5.2 Homelift valve, 2-speed
Figure 42
Figure 53
Figure 64
Normal
operation
Screw tightened
completely

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D846MGB -Rev. 04 11/14
This table describes the function of each element.
TABLE OF VALVE SETTINGS FOR 1 and 2-speed
HOMELIFT valve
SCREW
DESCRIPTION
SETTINGS
N.1
Maximum valve
pressure
calibration
Tighten to increase
maximum calibration
pressure.
Loosen to decrease
maximum calibration
pressure.
N.2
Low speed
setting
Tighten to increase low
speed
Loosen to decrease low
speed
N.3
Calibration of rod
counterpressure
and rope anti-
fleeting
Tighten to prevent the
rod descending alone in
an emergency
Loosen to enable rod to
descend alone in an
emergency
N.4
Stop valve test
If screw is tightened
completely the cabin
speed tends to exceed
nominal speed and
triggers the parachute
valve
N.5
Choke device for
deceleration from
high to low speed
(ascent and
descent)
Tighten to brake more
slowly.
Loosen to brake faster
N.6
Ascent speed
limiter
Tighten to reduce ascent
speed
Loosen to increase
ascent speed to
maximum pump
capacity
N.7
Choke device for
pressurising and
ascent start
Tighten to delay
pressurisation with
consequent gentle start-
up
Loosen to obtain
immediate
pressurisation with
rapid start-up
N.8
Descent speed
adjuster
1 speed
(2 SPEED)
1 Vel –Unscrew to
increase the downward
speed
2 VEL –Screw to
increase the downward
speed
N.9
Calibration of
hand pump
pressure
Tighten to increase hand
pump calibration
pressure
Loosen to decrease
hand pump calibration
pressure
Table 4
6 Maintenance, inspection, repair and safety
emergency
6.1 General points
The hydraulic components are not subject to heavy
wear, are safe and require little maintenance. In
order to obtain these results, the components must
be chosen carefully and be of the correct
dimensions and the oil must be appropriate to the
system features.
6.2 EM manual emergency valve
Also the seal of the hand push button is provided
by a sphere and can be compromised by dirt
entering between the seat and sphere. When the
emergency switch is actuated a jet of oil is noted
that should cease completely when the switch is
released. If this does not occur, there may be leaks
from the emergency valve but also leaks from the
solenoid valve EVD HDU, ( if installed ) which
discharges from the same point.
The following checks, including those of
point c) must be performed with pressure
inside the valve. Extreme caution must
therefore be exercised.
In order to check the seal of the emergency valve,
use the emergency valve’s hexagon to unscrew
the emergency unit completely, dry off the oil
remaining in the hole and check that no other oil
escapes from the sphere (see 15).
Figure 75
If there are oil leaks from the sphere, it will
be necessary to replace the entire descent
block or carry out a repair as explained in
the next point.
EM
screw 3

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D846MGB -Rev. 04 12/14
6.3 Emergency manoeuvre with hand pump
The following procedure enables the air inside the
hand pump to be eliminated.
If there are difficulties in priming the hand pump,
shut off the main stopcock, use an Allen key (hex
key) CH5 to loosen the screw in Figure 8 and
actuate the lever of the hand pump until oil leaves
the seat of the screw.
Now tighten the screw.
Figure 86
6.4 Leaks inside the valves unit
Follow this procedure to check valves seal:
Wait for the oil to cool down to ambient
temperature
Shut off the ball valve, start up the motor by
simulating an ascent and check pressure on the
gauge
If there are no leaks in the valve, after the motor
is switched off the pressure remains constant or
falls slowly by a few bar over several minutes,
and tends to stabilize.
If there are pressure losses it descends rapidly
and continues to descend
The following valve elements are subject to
possible leaks:
EM: Emergency valve
EVD: Descent solenoid valve
VBP: Guided stop valve
PM: Hand pump
6.5 Replacing VBP valve seal
To check valves seal, proceed as follows:
•To access the VBP valve piston, remove the
hand pump, if present (Figure 9)
•Remove the VBP valve spring and remove the
VBP valve completely
•Loosen the screw that keeps the two parts of
the piston together, replace the seal of the VBP
•Refit the piston by tightening the screw that
holds together the two parts of the piston
Figure 9

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D846MGB -Rev. 04 13/14

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D846MGB -Rev. 04 14/14
OMARLIFT SRL
Via F.lli Kennedy, 22/D
I –24060 Bagnatica (BG) –ITALY
Phone [phone]
Fax [phone]
E-mail: [e-mail]
Web: http://en.omarlift.eu