Memmert IPP 200 Service Manual
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Memmert IPP 200 Service Manual

Cooled incubator with peltier technology and constant climate chamber with humidification
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SERVICE MANUAL
IPP 200-500
Cooled incubator with Peltier technology
HPP 108
Constant Climate Chamber with humidification

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Summary of Contents for Memmert IPP 200

  • Page 1 SERVICE MANUAL IPP 200-500 Cooled incubator with Peltier technology HPP 108 Constant Climate Chamber with humidification...

  • Page 3: Table Of Contents

    11. Replacing the chamber fan 19. C ircuit diagrams 12. Removing the fan from the 19.1 Legend rear panel 19.2 IPP 200/300/400 19.3 IPP 500 13. Replacing a Peltier 19.4 HPP 108 cooling/heating module Service IPP 200-500/HPP 108 | 10/2008...

  • Page 4: About This Guide

    Purpose and target group This guide describes the service and repair work available for cooling incubators of types IPP 200–500 and constant climate chambers of type HPP 108. It is intended exclusively for use by electrical technicians who are familiar with safety regulations for electrical engineering.

  • Page 5: Safety Regulations

    The appliance must not be left unattended until it has reached the steady state. If the fault or malfunction cannot be rectified by the repair work: Contact the manufacturer. Service IPP 200-500/HPP 108 | 10/2008...

  • Page 6: Finding Errors And Error Messages

    Monitoring controller has switched Increase temperature is flashing off heater, since temperature difference between difference between operating and monitoring temperature and monitoring controller is too small working temperature. Replace Pt100 temperature sensor of monitoring controller if necessary Service IPP 200-500/HPP 108 | 10/2008...
  • Page 7 Mainboard faulty Replace mainboard Malfunctions of the humidifier and/or dehumidifier (only for the constant climate chambers HPP 108) Neither humidification nor dehumidification are working properly Dehumidification works, humidification doesn't work Humidification works, dehumidification doesn't work Service IPP 200-500/HPP 108 | 10/2008...

  • Page 8: Overview

    Construction Fig. 1: Construction (shown in figure: Maximum fittings for HPP 108; the actual fittings may vary, depending on the appliance type) Service IPP 200-500/HPP 108 | 10/2008...
  • Page 9 Cover of dehumidification Peltier module Cover of right-hand Peltier heating/cooling module only for types IPP 500 and HPP 108; types IPP 200 -400 have just one interior fan and one Peltier heating/ cooling module on the rear side only for constant climate chambers HPP 108...

  • Page 10: Control Unit

    Feed-through for temperature sensor Pt100 (see page 18) Switched mode power supply(ies) (see page 15) Only for HPP 108: Pump for humidification (see page 36) Control module for humidification (page 39) Power supply unit for humidification (page 38) Service IPP 200-500/HPP 108 | 10/2008...

  • Page 11: Removing Covers

    (1). The retaining washers are necessary to create a safe PE conductor connection with the top panel. Service IPP 200-500/HPP 108 | 10/2008...

  • Page 12: R Emoving The Rear Panel

    1. Disconnect the mains plug. 2. Remove the top panel (see page 11). 3. Unscrew the cover grid of the Peltier module (IPP 200–400) or of the two Peltier modules (IPP 500/HPP 108) on the rear side (1).

  • Page 13: Mainboard

    Peltier element. Service IPP 200-500/HPP 108 | 10/2008...

  • Page 14: Replace Fuses

    Put the top panel back on; plug in the mains plug. Check that the appliance is working. If the fault persists: Con- tact the manufacturer. Spare part Variants Spare part number 230 V B04098 Mainboard 115 V B04113 Service IPP 200-500/HPP 108 | 10/2008...

  • Page 15: Replacing The Switched Mode Power Supply

    Connect the mains plug and subject the appliance to a func- tion test. If the fault should persist or if it works incorrectly, contact the manufacturer. Fig. 7: Switched mode power supply Connections Screws Spare part Spare part number Switched mode power supply E04016 Service IPP 200-500/HPP 108 | 10/2008...

  • Page 16: R Eplace Main Switch Module With The Push/Turn Control

    Main switch module (see also control unit overview on page 10) Push/turn control Mounting bolts (left and right) Main switch Plug (controller slot J2) Spare part Variants Spare part number Main switch module 230 V B04425 Service IPP 200-500/HPP 108 | 10/2008...

  • Page 17: Replace Controller

    Replace controller (see also control unit overview on page 10) Spare part Variants Spare part number IPP 200/300/400 B04279 Controller RS 232 IPP 500/HPP 108 B04281 IPP 200/300/400 B04280 Controller RS 485 IPP 500/HPP 108 B04282 Service IPP 200-500/HPP 108 | 10/2008...

  • Page 18: Replace Pt100 Temperature Sensor

    Temperature sensor for operating controller Temperature sensor for monitoring sensor Clamp Feed-through through the control unit floor/chamber ceiling Cable connection to the controller in the control unit Spare part Spare part number Pt100 temperature sensor E04822 Service IPP 200-500/HPP 108 | 10/2008...

  • Page 19: Replacing The Chamber Fan

    If the fault should persist or if it works incorrectly, contact the manufacturer. Fig. 11: Replacing the chamber fan Screws for the fan cover Fan cover Screws for the fan Chamber fan Heat sink for the Peltier module Service IPP 200-500/HPP 108 | 10/2008...
  • Page 20 Spare part Variants Spare part number Chamber fan IP54 B04004 IPP 200/300 E03995 IPP 400 E03994 Fan cover IPP 500 E04656 left E05401 HPP 108 right E05402 Service IPP 200-500/HPP 108 | 10/2008...

  • Page 21: Removing The Fan From The Rear Panel

    Removing the fan from the rear panel Depending on the appliance model, there may be up to three fans on the rear panel: one (IPP 200-400) or two (IPP 500/HPP) fans for heating/cooling, one fan for dehumidification (only for HPP). How to replace this is described on page 37. The descrip- tion on this page refers to the removal of the fan(s) for heating/ cooling (see also overview diagram on page 8).
  • Page 22 Cover of the Peltier module Screws for the fan Fan cover grid Heat sink for the Peltier module Rear panel Spare part Variants Spare part number IPP 200/300 B04002 Cooling fan 120 mm IPP 400/500/HPP108 B04423 Service IPP 200-500/HPP 108 | 10/2008...

  • Page 23: Replacing A Peltier Cooling/Heating Module

    Replacing a Peltier cooling/heating module Depending on the appliance model, there may be up to three Peltier modules on the rear panel: one (IPP 200-400) or two (IPP 500/HPP) modules for heating/cooling, one for dehumidification (only for HPP). Replacing it is described on page 37. The descrip- tion on this page refers to the replacement of a Peltier module for heating/cooling (see also overview diagram on page 8).
  • Page 24 Casing cover of the Peltier module Rear panel of casing Mounting bolts of the cover plate Cover plate Peltier module Fig. 14: Cable feed-through of the Peltier module Connection cable Plastic wedge Foam ring (cable seal) Service IPP 200-500/HPP 108 | 10/2008...

  • Page 25: Adjusting And Removing Inner Door

    Outer door (open) Spare part Variants Spare part number IPP 200 B03395 IPP 300 B03396 Inner door IPP 400 B03397 IPP 500/HPP 108 B03398 Inner door hinge, top B02902 Inner door hinge, bottom B02903 Service IPP 200-500/HPP 108 | 10/2008...

  • Page 26: 15. Installing, Removing And Adjusting Door

    Fig. 16: Installing/removing door Eccentric socket Eccentric tappet moved fowards: factory settings for door Eccentric tappet moved to the right: Doors are therefore also adjusted to the right Allen set screw Eccentric tappet Screws Door Service IPP 200-500/HPP 108 | 10/2008...

  • Page 27: Adjusting The Door

    The locking plate (7) can also be adjusted in the direction of the arrows after undoing the screws. Afterwards, screw the locking plate back firmly. Fig. 18: Adjusting the locking plate Screw Locking plate Service IPP 200-500/HPP 108 | 10/2008...

  • Page 28: Removing And Installing The Door Lock

    Pull out the axles (11) sideways and push the locking pins (7) outwards. Remove the door lock mechanism (6, 8, 9). Fig. 19: Removing the door lock Door Door panel Door seal Locking mechanism Lock cover Screws Service IPP 200-500/HPP 108 | 10/2008...
  • Page 29 Door-handle, complete, without locking pins B00995 Door lock, complete, without locking pins B02600 IPP 200 B02419 IPP 300 B02603 Door lock, complete, with locking pins IPP 400 B02420 IPP 500/HPP 108 B02421 Locking plate B02720 Service IPP 200-500/HPP 108 | 10/2008...

  • Page 30: Replacing Seals

    Push in the pre-cut length of seal into the space, without stretch- ing it, and cut off the end if necessary. Fig. 22: Replacing the chamber and cage seals Chamber seal Cage seal Seal cross-section Service IPP 200-500/HPP 108 | 10/2008...
  • Page 31 IPP 500/HPP 108 Z00694 IPP 200 Z00713 IPP 300 Z00714 Cage seal IPP 400 Z00715 IPP 500/HPP 108 Z00716 IPP 200 Z00699 IPP 300 Z00700 Chamber seal IPP 400 Z00701 IPP 500/HPP 108 Z00702 Service IPP 200-500/HPP 108 | 10/2008...

  • Page 32: Replacing The Interface Module

    Insert a new module and screw tight. Connect the plug. Re-attach the casing lid. Fig. 23: Replacing the interface module Plug Screw connection Spare part Spare part number USB interface module B04118 Ethernet module B04121 Service IPP 200-500/HPP 108 | 10/2008...

  • Page 33: Not Work Properly

    (3) on the rear side of the appliance are con- nected properly (2). If not, make sure that they are fastened tight. Fig. 24: Checking the tube connections Water tank/canister Tube connections Steam generator Service IPP 200-500/HPP 108 | 10/2008...
  • Page 34 (see page 36). If the error has still not been been found, then the steam generator at the back of the appliance is faulty. In this case it must be replaced (see next chapter). Service IPP 200-500/HPP 108 | 10/2008...

  • Page 35: Replac Steam Generator

    Check that the humidification is now working properly. If this is not the case, contact the manufacturer. Fig. 26: Replace steam generator Steam generator Tube connections Screw connections (four screws) Spare part Spare part number Steam generator B04436 Service IPP 200-500/HPP 108 | 10/2008...

  • Page 36: Replacing The Pump

    (Fig. 28). If this is not the case, the fan is faulty and needs to be replaced, along with the Peltier module (see next section). Service IPP 200-500/HPP 108 | 10/2008...

  • Page 37: 18.2.1 Replace Fan And Dehumidi- Fication Peltier Module

    Fig. 28: Replace the dehumidification Peltier module with fan Plug connection Screw connections at the top and bottom (2 screws) Spare part Spare part number Dehumidification Peltier module E05394 Service IPP 200-500/HPP 108 | 10/2008...
  • Page 38 Replace the power supply unit for dehumidification Undo the plug Undo the screws on the bottom plate (2 screws) Pull away power supply unit to the side Spare part Spare part number Dehumidification power supply unit E05400 Service IPP 200-500/HPP 108 | 10/2008...

  • Page 39: 18.3 R Eplace Control Module

    If this is not the case, contact the manufacturer. Fig. 30: Replacing the control module for the humidification/dehumidification Control module Screw connection (four screws) Spare part Spare part number Control module B04376 Service IPP 200-500/HPP 108 | 10/2008...

  • Page 40: 18.4 Replacing The Humidity Sensor

    Re-attach the side, rear and top panels. Reconnect the mains plug. Check that the humidification and dehumidification is now working properly. If this is not the case, contact the manufac- turer. Service IPP 200-500/HPP 108 | 10/2008...
  • Page 41 Undo the Allen set screw with the 1.5 mm Allen key through the opening in the insulation material on the side wall Pull the humidity sensor out and upwards through the opening in the floor of the control unit Spare part Spare part number Humidity sensor E05249 Service IPP 200-500/HPP 108 | 10/2008...

  • Page 42: C Ircuit Diagrams

    N7+N9 Switched mode power supply SP 200 24 V/200 W N8+N10 Peltier module with fan motors IPP 200/300: M-064-24-12-12-ME IPP 400/500: M-081-24-12-00-ME Main switch SUB-D 9-pin – RS 232/RS 485 SUB-D 25-pin – printer Service IPP 200-500/HPP 108 | 10/2008...

  • Page 43: 19.2 Ipp 200/300/400

    19.2 IPP 200/300/400 Service IPP 200-500/HPP 108 | 10/2008...

  • Page 44: 19.3 Ipp 500

    19.3 IPP 500 Service IPP 200-500/HPP 108 | 10/2008...
  • Page 45 19.4 HPP 108 Service IPP 200-500/HPP 108 | 10/2008...
  • Page 46 Notes:...
  • Page 48 Memmert GmbH + Co. KG | Postfach 1720 | D-91107 Schwabach | Tel. +49 (0) 9122 / 925 - 0 | Fax +49 (0) 9122 / 145 85 | E-Mail: service@memmert.com | www.memmert.com...

This manual is also suitable for:

Ipp 500Hpp 108Ipp 300Ipp 400

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