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This manual describes the setup, function, transport, operation and maintenance of constant climate chambers of types HPP 108 and HPP 749. It is intended for use by accordingly trained staff of the operator who are in charge of operating and / or maintaining the constant climate chamber.
Content Contents Safety regulations Terms and icons used ......................6 1.1.1 Terms used ........................6 1.1.2 Icons used ........................6 Product safety and dangers ....................7 Requirements of the operating personnel ................7 Responsibility of the owner ....................7 Changes and conversions ....................8 Behaviour in case of malfunctions and irregularities ............
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Content Basic information on operation ..................23 5.4.1 Switching appliance on and off .................. 23 5.4.2 User interface/controller ....................23 5.4.3 Basic operation ......................24 5.4.4 Setting parameters ...................... 24 Operating modes ....................... 24 Operating mode settings ....................25 5.6.1 Normal mode ......................25 5.6.2 Settings example normal mode ..................
Safety regulations Safety regulations 1.1 Terms and icons used In this manual, certain common terms and icons are used to warn you of dangers or to give you hints that are important in avoiding injury or damage. Observe and follow these hints and regulations to avoid accidents and damage.
Safety regulations 1.2 Product safety and dangers Constant climate chambers of types HPP 108 and HPP 749 are technically well-developed, manufactured using high-quality materials and are tested for many hours in the factory. They contain the latest technology and comply with recognised technical safety regulations. But there are still dangers involved, even when the appliance is used as intended.
Safety regulations 1.5 Changes and conversions No independent conversions or alterations may be made to the constant climate chamber. No parts may be added or inserted which have not been approved by the manufacturer. Independent conversions or alterations result in the EC declaration of conformity (see page 13 ) losing its validity, and the constant climate chamber may no longer be operated.
Design and description Design and description 2.1 Construction Fig. 2 HPP Constant climate chamber 1 Controller/user interface (see page 23 ) 2 Set key 3 Main switch / push-turn control (see page 23 ) 4 Door seal 5 Interior seal 6 Chamber fan 7 Sliding shelf 8 Heating ribs...
Design and description 2.2 Description The constant climate chamber can heat the interior up to 70 ºC and cool it down to 5ºC. For this purpose, low-noise, long-life and energy-saving Peltier cooling and heating technology is used. In heating operation, a part of the required energy is extracted from the surroundings (heat pump principle).
USB interface for computer-based temperature control programmes and to read out the controller’s internal log memory ► MEMMERT software "Celsius" for remote control of the chamber via computer (see page 37) and to read out the internal controller log memory ►...
LED interior light ( light panels) in various light colours (optional) 2.5 Material For the outer housing, MEMMERT uses stainless steel (W.St.No. 1.4016 = ASTM 430), for the interior, stainless steel (W.St.No. 1.4301= ASTM 304) is used, which stands out through its high stability, optimal hygienic properties and corrosion-resistance towards many (but not all!) chemical compounds (caution for example with chlorine compounds).
Design and description 2.7 EC declaration of conformity EC Declaration of Conformity Manufacturer´s name and address: MEMMERT GmbH + Co. KG Äußere Rittersbacher Straße 38 D-91126 Schwabach Product: Constant-Climate-Chamber Type: HPP … Sizes: Nominal voltage: AC 230 V 50 / 60Hz...
3 Applied standard 8 Nominal temperature range 4 Protection type 9 Factory number 5 CE conformity 2.9 Technical data Model HPP 108 HPP 746 Chamber width A* [mm] 1040 Chamber height B* [mm] 1200 Chamber depth C* [mm] Appliance width D* [mm]...
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Design and description Model HPP 108 HPP 746 Max. load per sliding shelf [kg] Max. load per appliance [kg] Electrical equipment Operating voltage see nameplate Current consumption see nameplate Protection class 1 (acc. to EN 61010) Protection type IP 20 (EN 60529) Interference-suppressed Class B acc.
Design and description Fig. 5 Dimensions of constant climate chambers HPP 2.10 Ambient conditions ► The constant climate chamber may only be used in enclosed rooms and under the follow- ing environmental conditions: Ambient temperature: 16 ºC to 28ºC Humidity: max.
Because of the weight of the constant climate chamber, you could cause yourself an injury if you try to lift it. At least two people are needed to carry the constant climate chamber HPP 108, and four for the constant climate chamber HPP 749.
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Delivery, Transport and Setting Up The distance between the wall and the rear of the chamber must be at least 15 cm. The clear- ance from the ceiling must not be less than 20 cm and the side clearance from the wall must not be less than 8 cm ( Fig.
Read the assembly instructions for the respective accessory part. Floor/table The chambers may be placed on the floor. Constant climate chambers HPP 108 may be placed on a table (work surface), if the table is flat and horizontal and able to bear the weight of the constant climate chamber.
Putting into Operation Putting into operation 4.1 Checking 4.1.1 Check the door and adjust if necessary The door may have been twisted during transport. You should therefore check whether the door closes properly and the seals are in the correct position. Adjust door if necessary (descrip- tion on page 57 ).
Putting into Operation 4.3 Electrical connections Caution: Observe the country-specific regulations when making connections (e.g. in Germany DIN VDE 0100 with residual current device (RCD)). Remember the connected loads and power values (see nameplate and also chapter " Technical data " on page 14 ). The constant climate chamber is intended for operation on an electrical power system with a system impedance Z at the point of transfer (service line) of a maximum of 0.292 ohm.
Operation and control Operation and control 5.1 Operating personnel The constant climate chamber may only be operated by persons who are of legal age, and who have received instructions for the constant climate chamber. Personnel who are to be trained, instructed or who are undergoing general training may only work with the constant climate chamber under the continuous supervision of an experienced person.
Operation and control 5.4 Basic information on operation 5.4.1 Switching appliance on and off The constant climate chamber is switched on and off by pressing the main switch / push-turn control on the front of the appliance: ► Switching on: press the main switch so that it comes out of the appliance ( Fig. 14 ). ►...
Operation and control 5.4.3 Basic operation All settings are selected by turning the push/turn control to the left or right ..and adjusted by turning it with the SET key held down. 5.4.4 Setting parameters Normally, all setting actions on the operating panel described on the following pages are made in the same way: 1.
Operation and control 5.6 Operating mode settings 1. Switch on the appliance by pressing the main switch (main switch comes out of appliance, see page 23 ). 2. Keep the SET key depressed for approx. three seconds and the selected mode starts flashing.
Operation and control 5.6.2 Settings example normal mode At a humidity of 70 % rh and 60 % light intensity (optional), the climate chamber should heat up to 37 °C ( Fig. 18 ). 100 % 100 % 70 °C 80 % 80 % 60 °C...
Operation and control 5. Setting the humidity setpoint: Turn the push-turn control to the right until the humidity display flashes. Hold down the SET key and set the desired humidity setpoint of 70.0 % rh with the push-turn control. After releasing the SET key the humidity setpoint briefly flashes.
Operation and control By turning further to the right, parameters (temperature setpoint etc.) can be selected as in the normal operating mode. If no settings (temperature setpoint etc.) are made for the ON phase, the values from the normal operating mode are used by the controller. For reasons of safety, you should always check that only one switch on time is programmed in the desired time blocks and days.
Operation and control 2. Switch on Mo-Fr at 07.30 Turning the push/turn control to the left and select “Mo- Fr on“ (group working days). Hold down the SET key and set the desired switch-on time with the push/turn switch to 7:30. 3.
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Operation and control You can now select and modify the following parameters in turn (see also the adjustment example on page 34 ): STERI DEFRO IN 1 IN 2 °C °C loop AUTO PRINT SETUP Delayed programme start: Switch-on day Adjustment range: Monday to Sunday, workdays Mo-Fr, weekends Sa-Sun, every day Mon-Sun or no days.
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Operation and control STERI DEFRO IN 1 IN 2 °C °C loop AUTO PRINT SETUP 8. Light intensity during the first ramp segment (optional): Adjustment range: 0 % to 100 % in steps of 10%. In the example shown: Light intensity 60 % (six bars are lit up).
Operation and control After releasing the SET key ... ► ... a new programme can be created as described above, or an existing EDIT one be edited ► ... the programme can be stopped STOP ► ... the programme can be started START 5.6.6 Close statements for ramp segments Each ramp must be completed with a close statement connecting the ramp to the next one.
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Operation and control Close Close command command ramp ramp Close segment segment command Close No. 4 No. 3 ramp °C command next spwt (tH) segment ramp No. 2 segment next No. 1 Segment4 Close spwt (t) command ramp segment No. 5 Segment2 Delayed programme start...
Operation and control 5.6.7 Settings example programming mode On Monday at 8:00, the constant climate chamber should heat up to 37 °C, with 50 % light intensity (optional), as quickly as possible and reach a relative humidity of 70 % rh. Once the temperature and humidity have been reached, the constant climate chamber should retain the setpoint values for 45 minutes at 80 % light intensity and then cool down within one hour, at a light intensity of 30 %, to a humidity of 50 % rh and 15 °C ( Fig.
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Operation and control 1. Setting the programme operating mode: PRINT SETUP Hold the SET key down for approx. three seconds; the current operating mode then begins to flash. Select the programme operating mode with the push/turn control while holding down the Set key. After releasing the SET key, the controller is in the pro- gramme mode.
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Operation and control 9. Set the close statement of the first ramp segment: Turn the push/turn control to the right until a segment close statement, e.g. end, appears. Hold down the SET key and set the close statement SPWT [TH] with the push/turn control. 10.
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Operation and control 17. Setting the light intensity of the third ramp segment (optional): Turn the push-turn control to the right until the lighting display flashes. Hold down the SET key and set the desired light intensity of 30 % with the push-turn control (three bars are lit up).
Operation and control 5.6.8 Operation with computer/ laptop (optional) The constant climate chamber can optionally be used, controlled and programmed with a computer/laptop. It has corresponding communication interfaces on the rear side for this purpose (see page 50 ). The control of the appliance with the “Celsius“ software is described in its own separate manual.
You must read the separate service manual for this. Do not try and solve the error yourself, but contact an authorised customer service point for MEMMERT appliances or contact the MEMMERT customer services department directly (see page 2 ). In case of enquiries, please always specify the model and appliance number on the nameplate (see page 14 ).
Malfunctions, warning and error messages For malfunctions that are not listed here or for error messages on the display (e.g. E-3), please read the service manual for the appliance or contact the MEMMERT customer service if the error correction suggested here is not successful.
Advanced functions Advanced functions 7.1 Printer The constant climate chamber is equipped with a parallel printer port as standard, just as used in computers. A standard PCL3-compatible inkjet printer which has a parallel port interface (e.g. HP DeskJet 5550 or HP DeskJet 9xx) can be connected to the printer port on the rear of the appliance (see page 10).
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Advanced functions Date The controller contains a calendar which automatically accounts for the different lengths of months, and for leap years. Weekday Year Adjustment range: from 2000 to 2100 Acoustic signal at programme end ENDSOUND Setting: OFF or ON Acoustic Signal for alarm, e.g. over/undertemperature ALARM sound Setting: OFF or ON Communication address...
Advanced functions The realtime clock, which is set in the SETUP, contains the date and clock time. The realtime clock is used for logging purposes in accordance with GLP. Date and clock time are specified on the log printout. On graphical printouts, the time axis is labeled with the realtime. The clock is battery-buffered and is independent of the mains connection.
Advanced functions 7.3.1 Electronic temperature monitoring (TWW) Overtemperature protection Adjustment range: -5 ... +75 °C °C Setting: Select the icon with the push-turn control. Hold down the SET key and adjust the temperature limits with the AUTO push/turn control. Undertemperature protection Adjustment range: -5 ...
Advanced functions 7.3.2 Automatic temperature monitor (ASF) ASF is a monitoring device that automatically follows the set temperature setpoint within an adjustable tolerance band ( Fig. 25 ). The ASF is activated – if switched on – automatically if the actual temperature value reaches 50% of the set tolerance band of the setpoint (in the example 50°C ±...
Advanced functions Switching on the automatic temperature monitor: Select the AUTO icon with the push/turn control. °C Hold down the SET key and set to on with the push-turn control. AUTO Switching off the automatic temperature monitor: Select the AUTO icon with the push/turn control. °C Hold down the SET key and set to off with the push/turn control.
Advanced functions 7.4 Heat output distribution ( BALANCE) For constant climate chambers HPP 749, application-specific correction of the heat output distribution (BALANCE) is possible between the upper and lower heating groups in the SETUP (setting: see page 42 ). The adjustment range is from –50 % to +50 %. Setting 0 % restores the heating output distribution factory settings.
Advanced functions 7.5 Calibration 7.5.1 Temperature calibration The constante climate chamber can be calibrated customer-specifically using three calibration temperatures of your choice: ► CAL.1 temperature calibration at low temperature ► CAL.2 temperature calibration at medium temperature ► CAL.3 temperature calibration at high temperature For each selected balance point ( Fig.
Advanced functions Example: Temperature deviation at 30 °C should be corrected. 1. Set compensation temperature CAL.2 in the SETUP to 30.0°C and set accompanying compensation correction value to 0.0°C: °C °C °C 2. With a calibrated reference instrument and at a set setpoint temperature of 30 °C in nor- mal operation, an actual temperature of 29.6 °C is measured.
Advanced functions Setting: 1. Set the desired humidity balance point in the SETUP (see page 42 ) and set the accompa- nying compensation correction value to 0.0 %rh. 2. With a reference instrument, measure the deviation in the stationary state in the selected humidity balance point.
Advanced functions 7.6.2 Communication interfaces RS232/RS485 (optional) The chamber can be optionally equipped with a RS232 serial communication interface in ac- cordance with DIN 12900-1 or a RS485 interface, instead of a USB interface ( Fig. 29 and Fig. 30 ). ►...
Advanced functions 7.6.3 Connecting test chambers to a network with Ethernet interface The constant climate chamber can optionally be equipped with an Ethernet instead of a USB interface. 192.168.1.216 Fig. 31 Connecting one or more test chambers to a network using an Ethernet interface (schematic diagram) For identification purposes, each appliance connected must have its own unique IP address.
Advanced functions If the power supply is interrupted, the time of the power cut and the return of voltage are stored in the controller. Reading in the log memory to the computer via USB interface Using the “Celsius“ progamme, the log memory of the controller can be read out to a com- puter and from there be displayed graphically, printed out and stored.
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Advanced functions 3. Programme the chamber on the computer. The chosen settings are written and stored on the card. Via the “Celsius“ software, the MEMoryCard XL can be provided with write protection. The programme on the card can then no longer be altered on the controller. Programme alterations via the controller are only possible if the write protection has been disabled from the computer with the “Celsius“...
Advanced functions 7.6.6 User ID card (optionally available as an accessory) The device number of the appliance and an unique user number are stored in encrypted form on the User-ID card ( Fig. 34 ). The User-ID card therefore works only in the appliance with the corresponding serial number.
Maintenance and Servicing Maintenance and servicing Warning! Disconnect the mains plug before any cleaning or maintenance work. 8.1 Cleaning Regular cleaning of the easy to clean chamber interior prevents build up of material remains, which over time could impair the appearance and functionality of the stainless steel chamber. The metal surfaces of the chamber can be cleaned with normal stainless steel cleaning agents.
Maintenance and Servicing 8.3 Adjusting door A well-closing door is indispensable for climate chambers. On Memmert appliances, the tight closing of the door is optimally guaranteed by a chamber seal and a door seal. In permanent operation, it is possible that the flexible seal material will begin to sag. To ensure that the door closes exactly, however, an adjustment may be necessary: 1.
Storage and disposal Storage and disposal 9.1 Storage The constant climate chamber may only be stored under the following conditions. ► dry and in an enclosed, dust-free room ► frost-free ► disconnected from the power supply Before storage, remove the water tube and empty the water tank (see page 21 ). 9.2 Disposal This product is subject to the directive 2002/96/EC on Waste Electrical and Electronic Equipment (WEEE) of the European Parliament and of...
Index Index Acoustic signal 42 Intended use 12 Safety regulations 6 Adjusting door 57 Interior light 3, 12, 26 Service 57 Ambient conditions 16 Irregularities 8, 17 Servicing 56 Setting parameters 24 Settings example normal BALANCE 47 Laptop 38 mode 26 Base 19 LED 3, 12 Settings example program-...
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