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STERI DEFRO
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IN 1
IN 2
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IN 1
IN 2
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PRINT
SETUP
loop
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page 1
Cooled incubator
with Peltier technology
IPP 200-500
Cooled incubator
with refrigeration unit
ICP 400-800
Operating Instructions
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1. Contents ................................................................................................................2
2. General notes and safety notes ...............................................................................4
2.1 Transport ................................................................................................................4
2.2 Initial start-up .........................................................................................................5
2.3 Oven load ..............................................................................................................5
3. Technical data ........................................................................................................6
3.1 Standard equipment of cooled incubators .............................................................. 7
3.2 Material quality ......................................................................................................7
3.3 Electrical equipment ...............................................................................................8
3.4 External connection ................................................................................................8
4. Installation facilities (accessories) ............................................................................ 9
4.1 Subframe
(IPP incubators only) ....................................................................................9
4.2 Stackable version
(IPP incubators only) ........................................................................9
5. Oven construction and operation ..........................................................................10
5.1 Operating the door ..............................................................................................10
5.2 Setting the temperature .......................................................................................10
5.3 Controls and indications .......................................................................................11
5.4 Switching on ........................................................................................................11
6. Selecting the operating mode ............................................................................... 12
7. Setting the parameters .........................................................................................12
8. Normal operation
.........................................................................................13
9. Weekly programmer
.....................................................................................15
10. Programme operation
................................................................................... 17
10.1 Closure commands for ramp segments ................................................................. 19
11. Printer
PRINT
..........................................................................................................23
12. Basic oven settings
SETUP
........................................................................................ 24
12.1 Real-time clock .....................................................................................................25
1. Contents
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13. Temperature monitor and protection devices ........................................................ 26
13.1 Mechanical temperature monitor: temperature limiter (TB) ...................................26
13.2 Electronic temperature monitor ............................................................................27
14. Calibration ...........................................................................................................32
15. Communication interface for the PC .....................................................................34
15.1 Communication interface RS232C .........................................................................34
15.2 Bus interface RS485 ..............................................................................................35
16. Automatic defrost on ICP incubators .....................................................................36
17 Report memory ....................................................................................................37
17.1 Reading the report memory ..................................................................................37
17.2 Reading the report memory into the PC via RS232C ..............................................37
17.3 Printing the report memory from the oven ............................................................ 37
18. Memory card MEMoryCardXL ...............................................................................38
18.1 Programming the MEMoryCardXL from the oven ..................................................38
18.2 Programming the MEMoryCardXL from a PC with the oven ..................................38
18.3 Programming the MEMoryCardXL from a PC using the read-write device .............. 38
18.4 Documentation on memory card MEMoryCardXL .................................................39
19. USER ID card (available as optional extra) ..............................................................40
20. Maintenance ........................................................................................................ 41
21. Cleaning ...............................................................................................................41
21.1 Cleaning IPP incubators ......................................................................................42
21.2 Cleaning ICP incubators ......................................................................................42
22. Error messages .....................................................................................................43
23. Supply failure .......................................................................................................43
24. CE Conformity Declaration ....................................................................................44
25. Address ................................................................................................................ 46
26. Index ....................................................................................................................47
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This mark in the Operating Instructions means:
Watch out
Important Note
2. General notes and safety notes
You have purchased a technically fully proven product which has been produced in Germany with the use
of high-grade materials and the application of the latest manufacturing techniques; it has been factory
tested for many hours.
In addition we guarantee the supply of spare parts over 10 years.
Observation of the Operating Instructions is necessary for faultless
operation and for any possible claims under warranty. If these
Instructions are disregarded, all claims under warranty, guarantee and
indemnification are excluded.
Before starting up an ICP incubator for the first time, wait 24 hours
from setting it up at its operating location so that any oil which has
passed into the pipelines during transport can flow back into the
refrigeration compressor.
The right to technical modifications is reserved.
Dimensional details are not binding.
2.2 Transport
Always use gloves!
If the oven has to be carried, at least 2 persons are required to transport it.
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2.3 Initial start-up
When the oven is started up for the first time, it should be supervised continuously until steady conditions
have been reached. Severe vibrations during transport may cause movement of the temperature probes
in their holder inside the chamber. Note therefore that before the first start-up the temperature probes
should be checked for their correct position and, if necessary, carefully aligned in their mounting (see ill).
2.4 Oven load
Full consideration must be given to the physical and chemical properties of your load (e.g. combustion
temperature etc.) in order to prevent serious damage to load, oven and surroundings.
Please note that the Memmert ovens described here are not explosionproof (they do not conform to the
Industrial Association Specification VBG 24) and are therefore not suitable for drying, evaporating and
burning-in of paints, enamels or similar materials whose solvents may produce an inflammable mixture
with air. There must be no possibility of the formation of inflammable gas/air mixtures either within the
oven chamber or in the immediate surroundings of the equipment.
Large amounts of dust or corrosive fumes inside the oven chamber or in the surroundings of the equipment
may produce deposits within the oven and lead to short-circuits or damage the electronics. It is therefore
important that adequate precautions are taken against excessive dust or corrosive fumes.
In order to ensure proper air circulation inside the chamber, there must be sufficient spacing of the load
inside the oven. Do not place any load on the floor, against the side walls or underneath the ceiling of the
chamber (heating ribs). In order to ensure optimum air circulation the shelves must be so inserted that the
air spacings between door, shelf and rear chamber wall are approximately equal.
The maximum number and the loading of the shelves can be found in the table in the Section “Technical
Data“. With unfavourable loading (too closely spaced) it is possible that the set temperature may be
reached only after a longer period of time.
See stick-on label “Correct Loading“ on the oven!
Ill: Chamber ceiling with Pt 100 metal temperature probes
Ill: Chamber ceiling with Pt 100 metal temperature probes
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Model IPP200 IPP300 IPP400 IPP500 ICP400 ICP500 ICP600 ICP700 ICP800
Chamber width A [mm] 400 480 400 560 400 560 800 1040 1040
Chamber height B [mm] 320 320 400 480 400 480 640 800 1200
Chamber depth C [mm] 250 250 330 400 330 400 500 500 600
Oven width D [mm] 550 630 550 710 558 718 958 1198 1198
Oven height E [mm] 600 600 680 760 967 1047 1335 1495 1895
Oven depth F [mm] 490 490 570 640 486 556 656 656 756
Chamber volume [litre] 32 39 53 108 53 108 256 416 749
Weight [kg] 33 36 43 66 68 87 144 178 227
Power [W] 125 125 175 350 500 500 700 750 1200
Max. number of shelves 3 3 4 5 4 5 7 9 14
Max. load per shelf [kg] 15 12 30 30 30 30 30 30 30
Max. load per oven [kg] 30 30 90 60 90 60 80 100 160
Ambient conditions Ambient temperature IPP: 12ºC to 28ºC
Ambient temperature ICP: 16ºC to 32ºC
rH 80% max., no condensation
Overvoltage category: II
Contamination level: 2
Setpoint temperature
range
0°C to 60°C
Setting accuracy 0.1°C
Working temperature
range
IPP: from 5°C to 60°C
ICP: from 0°C to 60°C
3. Technical data
connection RS232C
printer
connection
supply plug
connection RS232C
printer
connection
supply plug
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3.1. Standard equipment of cooled incubators
IPP incubators with low-noise, long-life and energy-saving Peltier cooling and heating technology
(during heating, part of the energy required is drawn from the surroundings =heat pump)
ICP incubators with powerful CFC-free refrigeration units with automatic hot gas defrosting and fan
circulation inside the chamber
Electronic fuzzy-supported PID process controller with permanent power matching and time-saving
auto-diagnostic system for rapid fault finding (see Section: „Error messages“)
Language selection
Alphanumerical text display
Internal report memory 1024kB for storing actual temperature, setpoint temperature, fan and
error states with time stamp
Control of oven and documentation of actual values on MEMoryCardXL
Programme sequence control for up to 40 ramp segments
Fan with speed adjustment 10% -100% (ICP incubators only)
Integral weekly programmer with group function (e.g. all workdays)
Recessing push/turn control for simple operation of oven
Visual alarm indication
Built-in sounder as alarm on overlimit, as audible signal at programme end, and to acknowledge
input (key click)
Digital monitor controller for overtemperature, undertemperature, and as automatically setpoint-
following monitor (ASF)
Mechanical temperature limiter TB Class 1 (ICP incubators only)
Monitor relay to switch off heating in case of fault
Two separate PT100 temperature sensors Class A in 4-wire circuit for control and monitoring
Convenient integral 3-point temperature calibration
Parallel printer interface (PCL3 compatible)
Serial PC232C interface for computer-supported temperature programmes and for reading the
internal report memory
MEMMERT software “Celsius 2005“ for remote operation of oven via a PC and for reading the
report memory inside the controller
A pre-formatted blank MEMoryCardXL with 32 kB storage capacity, reprogrammable for up to 40
ramp segments and additionally 270 hours report memory at 1 minute intervals
Special equipment (to be ordered separately as accessories): cable RS232C to DIN 12 900-1,
external card reader for MEMoryCardXL for connection to the PC RS232C interface, 25-way printer
cable (parallel, screened)
3.2 Material quality
For external casing and working chamber MEMMERT are using stainless steel (Mat.Ref. 1.4301) which
features high strength, optimum hygienic properties and corrosion resistance against many (not all)
chemicals (warning against e.g. chlorine compounds).
The oven load has to be checked carefully for its chemical compatibility with the above materials.
A compatibility table covering all these materials can be requested from MEMMERT.
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Do not place the oven on a readily inflammable support surface!
WARNING! Always pull out the supply plug before
opening the oven cover!
3.3 Electrical equipment
Operating voltage see label 50/60 Hz
Current rating see label
Protection Class 1, i.e. operating isolation with ground connection to EN 61 010
Protection IP20 to EN 60 529
Interference suppression to EN55011 Class B
Oven protected by a fuse 250V/15A fast blow
Controller protected by a 100 mA fuse (200 mA on 115 V)
When connecting a MEMMERT oven to the electrical supply you have to observe any local
regulations which apply (e.g. in Germany DIN VDE 0100 with FI protection circuit)
This product is intended to operate on a supply network with a system impedance Zmax at the
transfer point (building connection) of 0.292 Ohm max. The user has to ensure that the product is
only operated on an electrical supply network which meets these requirements. If necessary, details
of the system impedance can be obtained from the local electricity supply authority.
3.4 External connection
Equipment connected to the external connections must have interfaces which meet the requirements for
safe low voltage (e.g. PC, printer).
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4. Installation facilities (accessories)
The oven can be placed on the floor or on a
bench (working surface). It is important that
the oven is set up accurately horizontally; the
door may have to be adjusted (see Section:
“Maintenance“)
The spacing from the back of the oven to the
wall should be at least 15 cm. The spacing to
the ceiling must not be less than 20 cm and
that at the side to the wall not less than 8 cm.
Generally it is essential to have adequate air
ventilation around the oven.
Model ICP 600-800 is mounted on castors. The front castors pivot and can be locked. In order to ensure
the stability of the oven the front castors must always be set facing towards the front.
Information on accessories will be found in our leaflet or on our internet page www.memmert.com.
Please note the installation instructions for our accessories.
4.1 Subframe (IPP incubators only)
Model IPP500 can be mounted on a subframe (accessory)
4.2 Stackable version (IPP incubators only)
Two ovens of the same model size can be stacked on each other. Note that
the oven with the lower working temperature must always be placed at the
bottom.
Foot locators (accessory) have to be fitted on the bottom oven.
Take off cover of bottom oven
Place drill jig (supplied with foot locators) into the inverted cover at the
back
Mark holes and drill 4.2 mm dia.
Screw the foot locators to the top of the cover using the screws and nuts
supplied
Re-fit the cover
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15 cm
min
8 cm
min.
8 cm
min.
20 cm
min.
PERFECT
page 10
5. Oven construction and operation
5.1 Operating the door
The door is opened by pulling on the door handle.
The door is closed by the door handle being pushed in.
open
close
5.2 Setting the temperature
Hold down the SET key and set the temperature setpoint with the push/turn control.
After the SET key has been released the display briefly flashes the temperature setpoint. The display then
changes to the actual current temperature and the controller starts to control to the selected temperature
setpoint.
PERFECT
set
off
on
push
card
4
3
2
1
STERI DEFRO
rh
mb
%
CO
mb
2
IN 1
IN 2
OUT
IN 1
IN 2
OUT
PRINT
SETUP
loop
t3
t4
t2
t1
on
off
Mo
Tu
We
Th
Fr
Sa Su
°C
°C
MIN
AUTO
MAX
h
page 11
5.3 Controls and indications
5.4 Switching on
The oven is switched on by pressing the push/turn control.
Oven switched off. The push/turn control is pushed
in and protected against damage.
Oven switched on and can be operated using the
push/turn control and the SET key.
push/turn control
(main switch)
SET key chip card reader
temperature displayoperating mode indication
time display
alarm indication
fan indication
(ICP)
heating
monitor temperature
indication
text display
Ill.: UFP500
Ill.: UFP500
cooling
PERFECT page 12
6. Selecting the operating mode
PRINT
SETUP
After holding down the SET key (approx. 3 sec), the current operating mode flashes on the display.
A different operating mode can be selected with the push/turn control while the SET key is being held
down. After the SET key has been released the controller operates in the new operating mode.
7. Setting the parameters
After an operating mode has been selected, all relevant controller settings are shown simultaneously on
the display.
A parameter (menu item) can be selected by rotating the push/turn control; all other parameters are then
dimmed.
The selected parameter flashes brightly and can now be altered with the push/turn control while holding
down the SET key.
After the SET key has been released the newly set value is stored.
If the push/turn control or the SET key have not been operated for a period of 30 seconds, the controller
automatically returns to the main menu.
Normal
operation
Weekly
programmer
Programme
operation
Printer Basic settings
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8. Normal operation
PRINT
SETUP
In this operating mode the oven operates continuously. The settings for operating the oven can be selected.
The settings act directly on the operation of the oven.
MIN
MAX
AUTO
°C
˚C
By rotating the push/turn control the following parameters can be selected and can be altered as described
in the Section „Setting the parameters“:
Temperature setpoint
Range: 0°C bis 60°C
˚C
Fan speed (ICP incubators only)
Range: 10 to 100%
in 10% steps.
Temperature monitor
Adjustment range: MIN MAX AUTO
(see Section: “Temperature monitor“)
MIN
MAX
AUTO
°C
PERFECT page 14
Setting example “Normal operation“
The incubator (ICP500) has to heat up to 50°C at 50% fan speed. The monitor function has to operate
at 55°C.
50°C
monitor temperature 60°C
˚C
t
1. Select operating mode “Normal operation“
After holding down the SET key (approx. 3 sec), the current operating
mode is flashing. Select operating mode I with the push/turn control
while holding down the SET key.
After the SET key has been released the controller is in
operating mode I.
PRINT
SETUP
2. Select temperature setpoint
Hold down the SET key and use the push/turn control to select the
required temperature setpoint of 50°C.
After the SET key has been released the oven briefly flashes the
temperature setpoint. The display then changes to the actual temperature
and the controller starts to control to the selected temperature setpoint
50°C.
Heating is indicated by the orange heater symbol
Cooling is indicated by the green cooling symbol
˚C
3. Select fan speed
Turn the push/turn control clockwise until the fan symbol is flashing.
While holding down the SET key, use the push/turn control to set 50%
fan speed.
4. Select monitor temperature
Turn the push/turn control clockwise until the overtemperature display
MAX
is flashing. Hold down the SET key and use the push/turn control
to set the monitor temperature to 55°C.
MIN
AUTO
MAX
°C
PERFECT page 15
9. Weekly programmer
PRINT
SETUP
In this operating mode the weekly programmer is activated and the oven switches on and off automatically
at the programmed times.
While the weekly programmer is in the OFF phase the oven is in standby mode. Heating and fan are
switched off, the controller display is dimmed and shows the clock time.
The sequence of the weekly programmer is repeated every week.
A maximum of 9 time blocks, each consisting of ON time and OFF time, can be programmed.
Clockwise rotation of the push/turn control is used to select the temperature setpoint (etc.) to which the
oven has to control during the ON phase. If no settings are made the controller takes the values from
operating mode I.
Mo
Tu
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Th
Fr
Sa
Su
h
on
off
By clockwise rotation of the push/turn control the parameters can be selected as in operating mode I, and
altered as described in Section „Setting the parameters“.
The time blocks are selected by rotating the push/turn control anticlockwise. The switching times can be
altered while holding down the SET key.
Weekday
Range: Monday to Sunday
Mo
Tu
We
Th
Fr
Sa
Su
Day groups
Range: workday Mo-Fr
weekend Sa-Su
Mo
Tu
We
Th
Fr
Sa
Su
Mo
Tu
We
Th
Fr
Sa
Su
No ON time: ---On these days the oven is not
switched on
on
off
ON time
Range: 00:00 to 23:59 hrs
on
off
h
OFF time
Range: one minute above ON time to
24:00
on
off
h
For safety reasons, always check that an ON time has been programmed only during the required time
blocks and days.
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