Julabo F12-ED Operating Manual Download Page 23

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Cleaning / repairing the unit

Circulator: Mains circuit breakers (resettable) 15 A

Cooling machine: Fuse T 10.0 A, dia.5 x 20 mm

The mains fuses on the rear of the unit may easily be exchanged as

shown on the left.

Warning:

Before exchanging the fuses, turn off the mains power switch and disconnect

the power plug from the mains socket!

Only use fine fuses with a nominal value as specified.

Example:

Manufacturer

Supplier

Type

Order No.

Wickmann

G- fuse insert

T10,0A 5x20 mm

No. 19195

8. Cleaning / repairing the unit

Caution:

•

Always turn off the unit and disconnect the mains cable from the power

source before cleaning the unit.

•

Prevent humidity from entering into the circulator.

•

Electrical connections and any other work must be performed by qualified

personnel only.

www.

.com

[email protected]

1.800.561.8187

Summary of Contents for F12-ED

Page 1: ...English Operating manual Refrigerated Heating Circulator F12 ED F25 ED F26 ED 1 951 0272 V3 02 16 19510272 V3 doc 29 02 16 www com information itm com 1 800 561 8187 ...

Page 2: ...g to the requirements of ISO 9001 and ISO 14001 Certificate Registration No 01 100044846 Unpacking and inspecting Unpack the circulator and accessories and inspect them for possible transport damage Damage should be reported to the responsible carrier railway or postal authority and a damage report should be requested These instructions must be followed fully for us to guarantee our full support o...

Page 3: ...be indicated on the LED temperature display The PID temperature control adapts the heat supplied to the thermal requirements of the bath Safety installations conforming to IEC 61010 2 010 The excess temperature protection is a safety installation independent from the control circuit The safety value is set using a tool screwdriver If the low level protection device is triggered a complete shutdown...

Page 4: ... This unit is designed for operation in a controlled electromagnetic environment This means that transmitting devices e g cellular phones should not be used in the immediate vicinity Magnetic radiation may influence other units with components susceptible to magnetic fields e g a monitor We recommend to keep a minimum distance of 1 m Permissible ambient temperature max 40 C min 5 C Permissible rel...

Page 5: ...re max at 0 l bar 0 35 0 35 Overall dimensions WxDxH cm 20x36x56 23x42x61 Bath opening WxL cm 13x15 12x14 Bath depth cm 13 14 Filling volume liters 3 4 5 3 4 5 Weight kg 22 30 Ambient temperature C 5 40 5 40 Mains power connection V Hz 230 50 230 50 Current input bei 230 V A 11 CH 9 1 12 CH 9 2 Mains power connection V Hz 230 60 230 60 Current input at 230 V A 11 12 Mains power connection V Hz 115...

Page 6: ...ensions WxDxH cm 42x42x42 Bath opening WxL cm 12x14 Bath depth cm 14 Filling volume liters 3 4 5 Weight kg 30 Ambient temperature C 5 40 Mains power connection V Hz 230 50 Current input at 230 V A 12 CH 9 2 Mains power connection 230 V 60 Hz V Hz 230 60 Current input at 230 V A Mains power connection V Hz 115 60 Current input at 115 V A 13 Mains power connection V Hz 100 50 60 Current input at 100...

Page 7: ...or storage and transportation Air humidity Max rel humidity 80 for temperatures up to 31 C linear decrease down to 50 relative humidity at a temperature of 40 C Max mains fluctuation of 10 are permissible Protection class according to EN 60 529 IP21 The unit corresponds to Class I Overvoltage category II Pollution degree 2 Caution The unit is not for use in explosive environment Standards for inte...

Page 8: ...his nature has the following duties The operator must ensure that the equipment is checked at regular intervals for leaks These intervals depend on the CO2 equivalent of the system This is calculated from the refrigerant fill volume and type of refrigerant The CO2 equivalent of your system is shown on the model plate The operator undertakes to have maintenance repair service recovery and recycling...

Page 9: ...njuries could result A warning of possible property damage may also be contained in the text Notice Describes a possibly harmful situation If this is not avoided the product or anything in its surroundings can be damaged 3 2 Explanation of other notes Note Draws attention to something special Important Indicates usage tips and other useful information 3 3 Safety recommendations Follow the safety r...

Page 10: ...e securely attached Never operate damaged or leaking equipment Always turn off the unit and disconnect the mains cable from the power source before performing any service or maintenance procedures or before moving the unit Always empty the bath before moving the unit Never operate equipment with damaged mains power cables Some parts of the bath cover and the pump connections may become extremely w...

Page 11: ...g of these substances The following questions shall help to recognize possible dangers and to reduce the risks to a minimum Are all tubes and electrical cables connected and installed Note sharp edges hot surfaces in operation moving machine parts etc Do dangerous steams or gases arise when heating Is an exhaust needed when working What to do when a dangerous substance was spilled on or in the uni...

Page 12: ...d for circulator Mains power switch illuminated for cooling machine 2 Edit keys Setpoint increase or decrease Press keys shortly for step by step changes Keep the keys pressed for fast change of setpoint 3 OK key store 4 LED temperature display menu indication 19 www com information itm com 1 800 561 8187 ...

Page 13: ... 20 mm 10a 10b Mains power cable with plug for circulator Mains power cable with plug cooling machine 11 Drain port 12 Drain tap 13 Venting grid removable 14a 14b Pump connector for feed Pump connector for return 15 ALARM Connector Cooling machine control not in use for operation with ED circulator 16 Selector dial for cooling machine Position 0 for operation with ED circulator 17 Built in mains o...

Page 14: ...s accumulated laterally during transport to flow back down thus ensuring maximum cooling performance of the compressor The place of installation should be large enough and provide sufficient air ventilation to ensure the room does not warm up excessively because of the heat the instrument radiates to the environment Max permissible ambient temperature 40 C With regard to a disturbance in the cooli...

Page 15: ...luids Bath fluid Temperature range soft decalcified water 5 C to 80 C mixture water glycol mixture 1 1 20 C to 50 C Thermal G 30 C to 80 C JULABO Bath liquids Order No Thermal G 10 Liters 8 940 124 Thermal G 5 Liters 8 940 125 See website for list of recommended bath fluids Contact see page 5 Notice Please contact JULABO before using other than recommended bath fluids Only use non acid and non cor...

Page 16: ...e samples in the bath or place the lid on the bath in case the opening is not to be used Draining Turn off the circulator and cooling machine Hold the venting grid pull out and remove Slide a short piece of tube onto the drain port 11 and hold it into a pail only F25 F26 Unscrew the drain tap 12 and empty the unit completely Tighten the drain tap Notice Draining Do not drain the bath fluid while i...

Page 17: ...llar nut from the pump connector 14a Slide the tubing onto the pump connectors for feed and return flow 14a 14b Secure the tubing with tubing clamps Use tubing insulation 5 5 Tubing Recommended tubing Order No Length Temperature range 8930008 1 m CR tubing 8 mm ID 20 C 120 C 8930010 1 m CR tubing 10 mm ID 20 C 120 C 8930108 1 m Viton tubing 8 mm ID 50 C 200 C 8930110 1 m Viton tubing 10 mm ID 50 C...

Page 18: ...rial defects e g for cracks Preventive maintenance Replace the tubing from time to time 5 6 Adjusting the pump flow 1 2 The pump flow is pre adjusted in the factory and can be modified to suit user requirements Using a screwdriver turn the screw 1 anti clockwise by 360 Using flat pliers turn the marking of the slide 2 to the desired position Tighten the screw Examples Internal applications in the ...

Page 19: ...0a to the mains outlet 17 Connect the refrigerated circulator with mains power cable 10b to the mains socket 6 2 Switching on Start Stop Switching on Circulator and cooling machine may be turned on and off with separate mains switches The integrated control light will illuminate to indicate that power has been applied The unit performs a self test The segments of the 4 digit LED temperature DISPLA...

Page 20: ...state after a power failure non automatic start mode This safe operating state is indicated by OFF on the LED temperature display A complete shutdown of the main functional elements such as heater and circulating pump is effected simultaneously Should such a safety standard not be required the AUTOSTART function automatic start mode may be activated thus allowing the start of the circulator direct...

Page 21: ...ath fluid has reached the safety temperature a complete shutdown of the heater and pump is effected The alarm is indicated by optical and audible signals continuous tone and on the LED DISPLAY appears the error message Erro 14 Setting range 20 C to 120 C Using a screwdriver turn the setting screw to the desired value Recommendation Set the excess temperature protector at 5 to 10 C above the workin...

Page 22: ...ore than 35 K Error in A D converter The excess temperature value lies below the working temperature setpoint Set the excess temperature to a higher value Cable of the excess temperature sensor interrupted or short circuited After eliminating the malfunction press the mains power switch off and on again to cancel the alarm state If the unit cannot be returned to operation contact an authorized JUL...

Page 23: ...r plug from the mains socket Only use fine fuses with a nominal value as specified Example Manufacturer Supplier Type Order No Wickmann Wickmann G fuse insert T10 0A 5x20 mm No 19195 8 Cleaning repairing the unit Caution Always turn off the unit and disconnect the mains cable from the power source before cleaning the unit Prevent humidity from entering into the circulator Electrical connections an...

Page 24: ...tenance is not required The tank should be filled only with a bath fluid recommended by JULABO To avoid contamination it is essential to change the bath fluid from time to time Repairs Before asking for a service technician or returning a JULABO instrument for repair please contact an authorized JULABO service station When returning the unit Clean the unit in order to avoid any harm to the service...

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