MELAG Vacuklav 24 B+ User manual

Technical Manual
Vacuklav® 24 B+
Vacuklav® 30 B+
Steam sterilizer
from software version 5.17
EN
Read this manual carefully and in the correct order before setting up and commissioning the device. The instructions in-
clude important safety information. You also receive a User Manual with the device. Please store this manual and the
user manual carefully and in close proximity to the device. They represent a component of the product.

Contents
Contents
1 General guidelines ...............................................................................................................................................................4
Symbols used.......................................................................................................................................................................4
Formatting rules ...................................................................................................................................................................4
2 Installation requirements.....................................................................................................................................................5
Installation material ..............................................................................................................................................................5
Installation location...............................................................................................................................................................5
Electromagnetic environments.............................................................................................................................................6
Space requirements .............................................................................................................................................................6
On-site requirements............................................................................................................................................................7
Protection in accordance with EN 1717 ...............................................................................................................................8
3 Setup and installation ..........................................................................................................................................................9
Removing from the packaging .............................................................................................................................................9
Aligning the door seal sealing lip..........................................................................................................................................9
Connection to the water line...............................................................................................................................................11
Installation examples..........................................................................................................................................................12
Connecting the water outlet hose.......................................................................................................................................16
Aligning the steam sterilizer ...............................................................................................................................................16
Test runs ............................................................................................................................................................................16
Transport............................................................................................................................................................................16
Instructing the users...........................................................................................................................................................17
4 Settings and adjustment....................................................................................................................................................18
Settings on the steam sterilizer ..........................................................................................................................................18
5 Technical tables .................................................................................................................................................................19
Feed water quality..............................................................................................................................................................19
Nominal value tolerances...................................................................................................................................................19
Empty chamber test ...........................................................................................................................................................20
Pressure-time chart............................................................................................................................................................20

1 General guidelines
4
1 General guidelines
Symbols used
Symbol Explanation
Indicates a dangerous situation, which if not avoided, could entail slight to life-
threatening injuries.
Draws your attention to a situation, which if not avoided, could result in damage to the
instruments, the practice fittings or the device.
Draws your attention to important information.
Formatting rules
Example Explanation
see Chapter 2 Reference to another text section within this document.
Universal-
Program
Words or phrases appearing on the display of the device are marked as display text.

2 Installation requirements
5
2 Installation requirements
Installation material
Material included in the scope of delivery Art. no.
Storage container With 1.5m inflow hose and suction filter (if installation as in Example 1 –
feed water supply from the storage container [}page13] and if delivered without
MELAdem)
00244
Double chamber siphon 26635
Outlet hose for steam sterilizers, 2 m 36585
Water inflow hose (2.5 m) 37220
Additional material that can be ordered Art. no.
Water stop with cut-off valve and sensor*)01056
Water branch MELAdem/water outlet 37241
3/4" water tap with safety combination 37310
Double hose grommet for siphon (with trap) 37400
Surface-mounted siphon with double hose grommet 37410
Feed water filter for MELAdem 48240
Safety combination EN 1717 48660
Additional water inflow tap with safety combination (for connection to a pre-existing angle
valve)
58130
*) Recommended with fixed water connection
Installation location
WARNING
Failure to comply with the set-up conditions can result in injuries and/or damage to the
steam sterilizer.
nThe steam sterilizer should only be setup, installed and commissioned by persons
authorized by MELAG.
nThe steam sterilizer is not suitable for operation in explosive atmospheres.
nThe steam sterilizer is conceived for use outside the patient area. The device should be
located a minimum of 1.5m radius away from the treatment area.
Property Vacuklav 24 B+ Vacuklav 30 B+
Installation surface level and horizontal
Installation location interior of a building (dry and protected from dust)
Floor loading (normal operation) 2.7 kN/m² 2.6 kN/m²
Max. altitude 2000 m
Waste heat (with max. load) 0.6 kWh
Ambient temperature 5-40 °C (recommended max. 25 °C)
Relative humidity max. 80 % at 31 °C, decreases in a linear fashion up to max. 50 %
relative humidity at 40 °C
Steam egress can occur during operation. Do not set up the device in the immediate proximity of a smoke
detector. Maintain clearance from materials which could suffer damage from steam.

2 Installation requirements
6
Electromagnetic environments
When assessing the Electromagnetic Compatibility (EMC) of this device, the emitted interference threshold
values for Class B devices and the stability for operation in an electromagnetic environment as described
in IEC 61326-1 were taken as the basis. The device is thus suitable for operation in all institutions and
domestic settings connected to a public mains power supply. The floor should be made of wood or
concrete or be tiled with ceramic tiling. If the floor is fitted with synthetic material, the relative humidity must
amount to a minimum of 30%.
Space requirements
Fig.1: View from the front, the right and above
Dimensions Vacuklav 24 B+ Vacuklav 30 B+
Width A 42.5 cm
Height B 49.5 cm
Depth, total*)C 70.5 cm 66 cm
Clearance between the device feet C143.5 cm 32 cm
Clearance from rear device foot up to the rear panel C210 cm 18 cm
Min. clearance to the side D15 cm
Min. clearance to the side of the door hinge D210 cm

2 Installation requirements
7
Dimensions Vacuklav 24 B+ Vacuklav 30 B+
Min. clearance to the rear E 5 cm
Free area with a fully-opened door F 62.5 cm 58 cm
Min. clearance to the top G 5 cm
*) including a safety combination in accordance with EN1717
Maintain the side clearances when installing the steam sterilizer.
The steam sterilizer works with a cooler on the rear of the device. The function and life-span of the steam
sterilizer can be compromized if heat dissipation via the cooler is restricted in any way. The steam sterilizer
may only be installed if sufficient air circulation can be guaranteed.
Additional space requirement for the feed water supply
Additional space is required for a storage container or a water treatment unit. It is also necessary to
guarantee free access to the hoses and cables leading from the steam sterilizer to the water treatment
unit.
Space
requirements
MELAdem 40 MELAdem 47 Storage
container
Water treatment unit Pressure tank
Width 32 cm 39 cm -- 21 cm
Height 35 cm 47 cm 51 cm 38 cm
Depth 15 cm 15 cm -- 23 cm
Diameter -- -- 24 cm --
On-site requirements
Mains supply
Implement the following safety measures when dealing with the cable and power plug:
uNever damage or alter the power plug or cable.
uNever bend or twist the power cable.
uNever remove the plug by pulling on the power cable. Always take a grip on the plug.
uNever place any heavy objects on the power cable.
uNever run the power cable over areas in which it could become trapped (e.g. doors or windows).
uNever lead the cable along a source of heat.
uNever use any nails, paper fasteners or similar objects to fix the cable.
uShould the power plug or cable suffer damage, switch off the device. The power cable or plug should
only be replaced by authorized technicians.
On-site requirements of the mains connection
Property
Electricity supply 220-240 V, 50/60 Hz
Max. voltage range 207-253 V
Building fuses separate power circuit with 16 A fuse, 30 mA RCD protection (to guarantee
continued practice operation during steam sterilizer malfunction)
Length of power cable*)1.35 m
Other Additional socket for the MELAprint 42/44 log printer etc.
*) Comply with the specifications in the connection diagram.
The mains socket must be freely accessible after set up so that the steam sterilizer can be disconnected
from the electricity supply at any time.

2 Installation requirements
8
Water connection
Cooling water Feed water Wastewater
Connection in the
practice
To the cooling water cut-
off valve (water inflow
tap) G3/4“
To a water treatment unit
e.g. MELAdem40/47
Wall outlet, nominal
width DN 40 or to a
siphon (flush outflow)
Installation height -- -- min. 30 cm under the
steam sterilizer
Max. water temperature 20 °C (ideal 15 °C) -- short-term 90 °C
Max. flow rate -- -- short-term approx. 3.3 l/
min
Min. flow pressure > 1.2 bar at 3 l/min corresponding water
treatment unit
--
Recommended flow
pressure
2.0-4.0 bar at 3 l/min 1.5 bar at 3 l/min --
Min. water pressure
(static)
-- corresponding water
treatment unit
--
Max. water pressure
(static)
10 bar 10 bar --
Max. water
consumption1)
approx. 57.5 l approx. 720 ml (24 B+)
approx. 770 ml (30 B+)
--
Water quality drinking water distilled or demineralized
water in accordance with
DIN EN 13060, Appendix
C
--
Measures for protecting
the potable water
none (internal precautions against back-flow into the drinking water supply via
safety combination consisting of a back-flow preventer and pipe aerator;
secured in accordance with EN1717)
Connection to a water treatment unit
MELAdem 40 MELAdem 47
Permissible water
pressure
1.5-10 bar 2-6 bar
Water stop For insurance reasons, MELAG recommends the installation of a water stop
with a cut-off valve (e.g. from MELAG), as the MELAdem 40 / MELAdem 47
are under constant water pressure from the domestic water supply.
PLEASE NOTE
The outlet hose must be fitted at a constant decline without kinks or sagging. Deviations
to the installation arrangements require consultation with MELAG.
Failure to do so can result in malfunctions of the steam sterilizer.
Protection in accordance with EN 1717
The connection of the steam sterilizer to the water supply is comparable with the connection of a washing
machine in a domestic context. In general, the connection of consumers to the drinking water network
should be performed in accordance with EN 1717, so that the drinking water supply is protected against
contamination through the possible flow back of the water. The steam sterilizer was developed in accord-
ance with all the requirements of EN 1717 and is equipped with a pre-fitted safety combination on its rear
panel.
Many buildings are already equipped with a safety combination. Ask your plumber. In practice, it is often
advantageous to use a water inflow tap with a pre-fitted safety combination consisting of a back-flow
preventer and a pipe aerator. To ensure a standard-conform connection to the steam sterilizer
independently of the building installation, we recommend two versions, see section Connecting the cooling
water inflow hose.
1) In the Prion-Program a with porous full load.

3 Setup and installation
9
3 Setup and installation
WARNING
Improper installation may lead to a short-circuit, fire, water damage or electrical shock.
This could result in serious injury.
nOnly have the device set up, installed and started up by people authorized by MELAG.
Removing from the packaging
CAUTION
Danger of injury from incorrect carrying.
Lifting and carrying too heavy a load can result in spinal injury. Failure to comply with
these provisions can result in crushing.
nThe device should always be carried by two people.
nUse the correct carrying straps to carry the device.
nComply with the safety regulations issued by your professional association.
1. Remove the steam sterilizer from the box using the carrying straps.
2. Unscrew the four screws from each side of the unit cover to remove the straps.
3. Then re-screw these screws without the flat washers.
4. Store the carrying straps and washers in a safe place.
5. Open the door and remove the trays and accessories immediately after switching on the device.
Aligning the door seal sealing lip
Long periods of storage with the door closed can result in the sealing lips of the door seal becoming stuck.
Align the sealing lips to prevent leaks.
Proceed as follows:
1. Remove the door seal.

3 Setup and installation
10
2. Press your thumb between the two sealing lips and
separate the sealing lips once around with your
thumb.
PLEASE NOTE
Note the differences in the widths of the sealing surfaces when inserting the door seal.
The door can only be shut correctly and the sterilization chamber sealed, if the door seal
sits correctly in the groove.
3. Insert the door seal into the groove.
ÊThe wide sealing surface points towards the
chamber.

3 Setup and installation
11
Connection to the water line
PLEASE NOTE
To prevent water damage, MELAG recommends the use of a leakage water detector e.g.
the MELAG water stop.
EN 1717 requires that the connection of consumers to the drinking water system must be performed in
such a way as to protect the drinking water supply from pollution. To this end, fit a safety combination con-
sisting of a backflow preventer and pipe aerator to the connection point on the rear panel of the steam
sterilizer in accordance with EN 1717 part 4. Many buildings are already equipped with a safety combina-
tion. Ask your fitter.
1
1 Water inflow hose (2.5 m) (DN16)
In practice, it is often advantageous to use a water inflow tap with a pre-fitted safety combination
consisting of a back-flow preventer and pipe aerator. To ensure standard-compliant connection of the
steam sterilizer independently of the building installation, we recommend the following two versions.
Method 1: Connection to a separate water line
1 2
1 Water inflow hose EN 1717, 2.5 m (DN16)
2 3/4" water tap with safety combination
ü A separate water line (nominal width DN15 with 1/2“ collar) is present or will be installed.
ü Installation of a water inflow tap with integrated safety combination.
1. Check whether the existing water inflow tap is fitted with a back-flow preventer and pipe aerator.
2. If not, replace the existing water inflow tap with a MELAG water inflow tap with an integrated safety
combination intended for the purpose, see Installation material [}page5].
3. Install the water stop (optional).
4. Connect the steam sterilizer water inflow hose (DN16) to the water inflow tap with a 1/2” collar.

3 Setup and installation
12
Method 2: Connection to an existing angle valve
2
1
3
4
1 Additional water inflow tap with safety combination (for
connection to a pre-existing angle valve)
2 Water inflow hose EN 1717, 2.5 m (DN16)
3 Existing angle valve
4 10mm cold water line (to mixer tap)
ü A cold water connection (e.g. a sink) with an angle valve and pipe 10mm is present or will be in-
stalled.
ü Installation of an additional water inflow tap with integrated safety combination through direct fitting on
the existing angle valve.
1. Install the water stop (optional).
2. Connect an additional MELAG water inflow tap with an integrated safety combination to the angle
valve, see Installation material [}page5].
3. Connect the steam sterilizer water inflow hose (DN16) to the water inflow tap.
NOTICE
Do not connect any further devices to the angle valve.
This could result in malfunctions in the cooling water system.
NOTICE
Flow pressure, inflow hose, water stop
nRequired flow pressure with a flow rate of 3l/min: >1.2bar
nLength of the cooling water inflow hose: 2.5m
nThe installation of a water stop with shut-off valve (art. no. 01056) is recommended.
Installation examples
The following pages provide examples for the three recommended installation types for the feed water
supply. The connection of a different water treatment unit producing the same water quality is possible
after consultation with MELAG.

3 Setup and installation
13
Example 1 – feed water supply from the storage container
1
2
3
4
5
678910
15
14
13
12
11
Indirect feed water inflow
Automatic suction from the storage container
Outflow via the double chamber siphon
The steam sterilizer supplies itself with feed water
from the storage container automatically via the
inflow hose included in the scope of delivery. The
max. suction lift amounts to 1.5m. The storage
container can also stand next to the steam sterilizer.
Pos. Description
1 Rear view of the steam sterilizer
2 Water inflow hose (2.5 m) (pressure hose)
3 Cooling water inflow fitting
4 Water stop with cut-off valve and sensor (optional)*)
5 Water inflow tap (provided on site)
6 Inflow hose for feed water with suction filter
7 Storage container for feed water (D x W x H: 23x21x38cm)
8 Double hose grommet for siphon with trap (optional)
9 Double chamber siphon (included in the scope of delivery)
10 Wall outlet (NW40 – provided on site)
11 Mains connection
12 Feed water inflow fitting
13 Outlet hose for steam sterilizers, 2 m DN16
14 Cooling water outlet fitting
15 Safety combination EN 1717 consisting of a backflow preventer and pipe aerator
*) Recommended with fixed water connection

3 Setup and installation
14
Example 2 - feed water supply from the MELAdem 40 ion exchanger
1
2
3
4
5
7910
1413
8 6
11
12
Direct feed water inflow
Water feed from the MELAdem 40 ion exchanger.
Outflow via the double chamber siphon
Connection of the MELAdem40 ion exchanger with
MELAjet. The most simple installation is the direct
connection of the MELAdem40 to the steam
sterilizer feed water inflow; this generates
demineralized water from normal tap water. The
MELAjet spray pistol is used to perform the final
rinse of the instruments with demineralized water
before sterilization.
Pos. Description
1 Rear view of the steam sterilizer
2 Water inflow hose (2.5 m) (pressure hose)
3 Water branch MELAdem/water outlet (included in the scope of delivery)
4 Water stop with cut-off valve and sensor (optional)*)
5 Water inflow tap (provided on site)
6 Feed water inflow fitting (included in the scope of delivery)
7 Feed water filter for MELAdem
8 Outlet hose for steam sterilizers, 2 m DN16
9 Feed water inflow hose
10 Double chamber siphon (included in the scope of delivery)
11 Mains connection
12 Cooling water outlet fitting
13 MELAjet spray pistol
14 MELAdem 40 ion exchanger
*) Recommended with fixed water connection

3 Setup and installation
15
Example 3 – feed water supply from the MELAdem47 reverse osmosis
unit
1
2
3
4
5
7910
1817
8 6
14
16
1112
15
13
Direct feed water inflow
Feed water inflow from the MELAdem47 reverse
osmosis unit
Outflow via the double chamber siphon
Connection of the MELAdem47 reverse osmosis
unit which can be connected directly to the steam
sterilizer feed water inflow. The connection of a
different water treatment unit producing the same
water quality is possible after consultation with
MELAG.
Pos. Description
1 Rear view of the steam sterilizer
2 Water inflow hose (2.5 m) (pressure hose)
3 Cooling water inflow fitting
4 Water stop with cut-off valve and sensor (optional)*)
5 Water inflow tap (provided on site)
6 Feed water inflow fitting
7 Feed water filter for MELAdem
8 Feed water inflow hose
9 MELAdem 47 reverse osmosis unit
10 Concentrate outflow from MELAdem47
11 Double hose grommet for siphon With trap (included in the scope of delivery)
12 Double chamber siphon (included in the scope of delivery)
13 Feed water removal valve
14 Outlet hose for steam sterilizers, 2 m DN16
15 Mains connection
16 Cooling water outlet fitting
17 Water inflow distributor (Y-piece 3/4") (included in the scope of delivery)
18 Safety combination EN 1717 consisting of a backflow preventer and pipe aerator
*) Recommended with fixed water connection

3 Setup and installation
16
Connecting the water outlet hose
Method 1: Direct wall outlet
ü The outlet is located min. 30 cm under the steam sterilizer.
}Connect the water outlet hose included in the scope of delivery to the rear panel of the steam sterilizer
and connect it with the wall outlet (DN40), preferably using the MELAG surface-mounted siphon (art.
no.37410). Ensure that the hose is installed without kinking and with a constant decline.
Method 2: Connection to a sink outflow/siphon
ü The outlet is located min. 30 cm under the steam sterilizer.
}Connect the water outlet hose included in the scope of delivery to the rear panel of the steam sterilizer
and connect it with the practice sink outflow (siphon). Ensure that the hose is installed without kinking
and with a constant decline.
To achieve quiet water outflow, we recommend replacing the double chamber siphon included in the
scope of delivery (art. no.26635) against the existing siphon.
Aligning the steam sterilizer
To enable malfunction-free operation, the steam sterilizer must be setup level using a spirit level placed on
the chamber flange. Then extend the fore device feet by five (Vacuklav 24B+) or three (Vacuklav30B+)
revolutions to effect a slight rearwards slope of the steam sterilizer.
Test runs
Vacuum test with a cold sterilization chamber
Perform a vacuum test with an empty, cold sterilization chamber and record the outcome.
Universal-Program
If the vacuum test was successful, perform a Universal-Program with 1.5kg load (instruments) and record
the outcome.
Transport
Transport within the practice
NOTICE
Failure to observe these provisions can result in damage to the device and malfunction.
Comply with the following provisions when transporting the steam sterilizer within a room or the practice:
uWhen using a water treatment unit and/or a wastewater hose, close the water inflow and remove the
hose connections on the rear of the device.
uShould you wish to leave the mount and trays or cassettes in the sterilization chamber during
transport, protect the surface of the round blank. To do so, place e.g. some foam or bubble wrap
between the round blank and mount.
uClose the door of the steam sterilizer before moving it.

3 Setup and installation
17
Transport over long distances
NOTICE
Damage to the housing and the device interior as a result of using unsuitable transport
packaging.
nOnly transport the device in its original packaging or other suitable packaging.
Comply with the following provisions when transporting the steam sterilizer (e.g. a move or dispatch):
uBefore transporting the steam sterilizer over long distances, before dispatch or given the danger of
frost, an authorized technician must prepare the device in accordance with the instructions and empty
the storage tank entirely.
Instructing the users
Explain all the user-typical features for the documentation and setting combinations for the operator.
Hand over the user manual, the technical manual and the manufacturer's inspection report. The declara-
tion of conformity regarding the pressure equipment directive and the Medical Devices Act are included in
the manufacturer's inspection report.

4 Settings and adjustment
18
4 Settings and adjustment
Settings on the steam sterilizer
Date and time
Check the date and time and set if necessary: consult the user manual.
Additional program options
TheAutom. preheating function heats the steam sterilizer chamber to a preheating temperature of
the respective program before program start, or holds this temperature between two program runs. This
will shorten the cycle times. It also reduces condensate formation on the chamber wall.
TheAdditional drying function increases the program by 50% for difficult drying tasks.
Further information is provided in the device user manual.
Counter stands
Working in theSETUP menu, you can access counter stands and other technical data of the steam
sterilizer.

5 Technical tables
19
5 Technical tables
Feed water quality
Minimum requirements placed on the feed water quality based on DIN EN 13060, Appendix C
Substance / property Feed water
Evaporation residue ≤10mg/l
Silicon oxide, SiO2≤1mg/l
Iron ≤0.2mg/l
Cadmium ≤0.005mg/l
Lead ≤0.05mg/l
Heavy metal traces apart from iron, cadmium, lead ≤0.1mg/l
Chloride ≤2mg/l
Phosphate ≤0.5mg/l
pH Value 5 to 7.5
Appearance ≤ colourless, clear, without sediments
Hardness ≤0.02mmol/l
Nominal value tolerances
Step Universal-
Program
Quick-
Program B
Prion-
Program
Gentle-
Program
Quick-
Program S
All values in mbar
P T P T P T P T P T
1. Frac-
tionation
80 +50/-20 ◄ ◄ ◄ ◄ ◄ ◄ 150 ◄ Evacuation
1400 +50/-30 ◄ ◄ ◄ ◄ ◄ ◄ ◄ ◄ Steam intake
2. Frac-
tionation
180 +50/-20 ◄ ◄ ◄ ◄ ◄ ◄ 250 ◄ Evacuation
1400 +50/-30 ◄ ◄ ◄ ◄ ◄ ◄ ◄ ◄ Steam intake
3. Frac-
tionation
180 +50/-20 ◄ ◄ ◄ ◄ ◄ ◄ --- --- Evacuation
1400 +50/-30 ◄ ◄ ◄ ◄ ◄ ◄ --- --- Steam intake
3050 +70/-30 ◄ ◄ ◄ ◄ 2060 ◄ ◄ ◄ Pressure increase
3050 +70/-30 ◄ ◄ ◄ ◄ 2060 ◄ ◄ ◄ Start of sterilization
3160 +90/-90 ◄ ◄ ◄ ◄ 2150 ◄ ◄ ◄ Sterilization
1200 +30/-90 ◄ ◄ ◄ ◄ ◄ ◄ ◄ ◄ Pressure release
Key:
P = Pressure
T = Tolerance
◄ As in Universal-Program

5 Technical tables
20
Empty chamber test
The coldest point in the sterilization chamber during the empty chamber test lies directly on the tempera-
ture sensor (see circular marking in the following figure). The temperature in the rest of the sterilization
chamber is almost the same all over.
Fig.2: Schematic side and fore view of the sterilization chamber
Pressure-time chart
Universal-Program
134 °C/2.1 bar
Pressure (mbar)
3170
0
Fig.3: Pressure-time chart for the Universal-Program, 134 °C and 2.1 bar