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Julabo FT402, Operating Manual

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Julabo FT402 Operating Manual Download Page 20

Electrical connection 

20 

 

8. Electrical 

connection 

 

Notice: 

Use shielded cables only. 
The shield of the connecting cable is electrically connected to the plug 
housing. 

 

4

1

3

2

 

 Pt100 

 

1

4

2

3

Shield

Plug

Look on 

soldering side.

Pt100

Connector for external Pt100 sensor 

Pin assignment: 
Pin  

Signal 

 

 1 

 

I+ 

 2 

 

U+ 

 3 

 

U- 

 4 

 

I- 

 
The shield of the connecting cable is electrically connected to the 
plug housing and the sensor tube. 

 

Summary of Contents for FT402

Page 1: ...a doc Druck 02 05 11 English Operating manual Immersion Coolers FT402 FT902 FT902 C JULABO USA Inc 884 Marcon Boulevard Allentown PA 18109 Phone 1 610 231 0250 Fax 1 610 231 0260 info julabo com www j...

Page 2: ...nd distributed according to the requirements of ISO 9001 2008 Certificate Registration No 01 100044846 Unpacking and inspecting Unpack the immersion cooler and accessories and inspect them for possibl...

Page 3: ...4 1 Explanation of safety notes 12 4 2 Explanation of other notes 12 4 3 Safety instructions 13 5 Preparations 14 5 1 Installation 14 5 2 Immersion probe Sensor connection Pt100 14 6 Operating procedu...

Page 4: ...for Pt100 external sensor for temperature measurement and control Model FT402 is provided with a handle for portable use Model FT902 is equipped with four castors Two of the castors include locking l...

Page 5: ...the mains power supply has low impedance to avoid any negative effects on the instruments being operated on the same mains This unit is designed for operation in a controlled electromagnetic environme...

Page 6: ...sheet 2 or Mandatory label M018 Colors blue white Carefully read the user information prior to beginning operation Scope EU 2 Semi S1 0701 Table A1 2 9 Carefully read the user information prior to beg...

Page 7: ...404A R134a Electrical connections Pt100 external sensor Pt100 Overall dimensions WxDxH cm 20x30x43 Immersion probe Lxdia cm 12x5 Immersion probe flexible Lxdia cm Connection tubing L cm 120 Noise leve...

Page 8: ...R23 R404A R23 Electrical connections Pt100 external sensor Pt100 Overall dimensions WxDxH cm 38x55x60 Immersion probe Lxdia cm Immersion probe flexible Lxdia cm 65x1 5 Connection tubing L cm 160 Nois...

Page 9: ...temperatures up to 31 C linear decrease down to 50 relative humidity at a temperature of 40 C Max mains voltage fluctuations of 10 are permissible Protection class according to IEC 60 529 IP21 The un...

Page 10: ...T402 Front view Rear view 1 7 8 9 10 FT 402 C 11 12 13 10 A M P 10 A M P 1 Mains power switch illuminated I on off 2 Edit keys increase decrease setting 3 Enter key store 4 LED temperature display 5 C...

Page 11: ...ded with each unit Order No 8 981 003 Pt100 sensor 200x6 mm dia stainless steel 9 Clamp for immersion probe 10 Immersion probe 11 Mains power cable with plug 12 15 A M P Mains circuit breakers resetta...

Page 12: ...mportant instructions Warning Describes a possibly highly dangerous situation If these instructions are not followed serious injury and danger to life could result Caution Describes a possibly dangero...

Page 13: ...rids free of obstructions Maintain a sufficient distance from all surrounding surfaces Do not move the unit from the position where it was set up during operation Always turn off the unit and disconne...

Page 14: ...For 0 68 kg of refrigerant R23 1 m3 of space is required The instrument should be set up at a frost proof and dry location The ambient temperature must not exceed 35 C Press down the castor levers on...

Page 15: ...d be completely immersed into the bath liquid B FT902 FT402 A B S S 120 mm minimum Important LPlace the external sensor S into the bath medium and securely fix the sensor LFT902 The diameter of the be...

Page 16: ...voltage specified on the type plate Deviations of 10 are permissible 6 2 Switching on Start Stop Switching on The immersion cooler is turned on and off with the mains switch 1 LThe unit performs a sel...

Page 17: ...mode This safe operating state is indicated by OFF on the LED temperature display A complete shutdown of the main functional elements is effected simultaneously The values set on the immersion cooler...

Page 18: ...o set a lower value Keep the keys depressed for the value to change fast 3 Press enter to store the value 6 5 Temperature control The immersion cooler can only control the temperature if both the Pt10...

Page 19: ...oil DANGER OF INJURY 7 Troubleshooting guide Error messages 8 Whenever the microprocessor electronics registers a failure a complete shutdown of the compressor is performed The alarm light illuminates...

Page 20: ...necting cable is electrically connected to the plug housing 4 1 3 2 Pt100 1 4 2 3 Shield Plug Look on soldering side Pt100 Connector for external Pt100 sensor Pin assignment Pin Signal 1 I 2 U 3 U 4 I...

Page 21: ...ooler is designed for continuous operation under normal conditions Periodic maintenance is not required Clean the outside of the unit using a wet cloth and low surface tension water Regularly check th...

Page 22: ...to avoid any harm to the service personnel Attach a short fault description During transport the unit has to stand upright Mark the packing correspondingly When returning a unit take care of careful a...

Page 23: ...in to the contrary all glassware including but not limited to reference thermometers are expressly excluded from the Initial Warranty 4 Buyer s sole remedies Limitations on Seller s Liability Buyer s...

Page 24: ...er without Buyer s prior consent 7 Governing Law The Warranty Provisions and all questions relating to their validity interpretation performance and enforcement shall be construed in accordance with a...

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