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32 

IN

OUT

Water cooled models = FLW 

In order to maintain a good condition of the cooling compressor, the 
sieve in the cooling water input should be cleaned in regular 
intervals. 

x

Switch the unit off, disconnect the power plug.

x

Interrupt the cooling water input.

x

Disconnect the tubing from the nozzle „IN“ and take out the dirty
sieve.

x

Clean the sieve.

x

Put in the sieve and reconnect the tubing.

x

Open the cooling water input.

x

Take care the tubing connection is not leaking.

x

The unit is ready to operate again.

Cleaning:

 

Clean the outside of the unit using a wet cloth and low surface 
tension water. 
The recirculating cooler is designed for continuous operation under 
normal conditions. Periodic maintenance 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: 

x

Clean the unit in order to avoid any harm to the service
personnel

x

Attach a short fault description.

x

When returning a unit, take care of careful and adequate
packing.

x

JULABO is not responsible for damages that might occur from
insufficient packing.

JULABO reserves the right to carry out technical modifications with 
repairs for providing improved performance of a unit. 

www.

.com

information@itm.com

1.800.561.8187

Summary of Contents for 9661012

Page 1: ...19514822 V8 doc English Operating manual Recirculating Coolers FL1201 FL1203 FL1701 FLW1701 FL1703 FLW1703 1 951 4822 V8 11 17 Printed 13 11 2017 www com information itm com 1 800 561 8187...

Page 2: ...nd ISO 14001 Certificate Registration No 01 100044846 Unpacking and inspecting Unpack the recirculating cooler and accessories and check for damages incurred during transit These should be reported to...

Page 3: ...ing 22 7 4 Switching on Start Stop 22 7 5 Setting the feed pressure 23 7 6 Setting the temperatures 23 7 7 AUTOSTART ON OFF 24 7 8 Remote control activate deactivate 24 8 Safety installations 25 8 1 E...

Page 4: ...y pass handwheel to reduce the pump capacity e g for glass equipment 2 Operator responsibility Safety instructions The products of JULABO ensure safe operation when installed operated and maintained a...

Page 5: ...ized to perform configuration installation maintenance and repairs of the water bath Routine operation can also be carried out by untrained personnel who should however be instructed by trained person...

Page 6: ...ial journal of the European Union WEEE directive Directive of the European Parliament and of the Council on waste electrical and electronic equipment WEEE This directive requires electrical and electr...

Page 7: ...7 2 2 EC Conformity www com information itm com 1 800 561 8187...

Page 8: ...8 www com information itm com 1 800 561 8187...

Page 9: ...RS232 Alarm output for external alarm signal Circulating pump discharge max at 0 bar l min 23 40 pressure max at 0 liter bar 1 0 pressure adjustable at 0 Liter bar 0 5 3 0 Feed pressure indication bar...

Page 10: ...RS232 Alarm output for external alarm signal Circulating pump discharge max at 0 bar l min 23 23 pressure max at 0 liter bar 1 0 1 0 pressure adjustable at 0 Liter Feed pressure indication bar Manomet...

Page 11: ...Computer interface RS232 Alarm output for external alarm signal Circulating pump discharge max at 0 bar l min 40 40 pressure max at 0 liter bar 0 5 3 0 0 5 3 0 pressure adjustable at 0 Liter Feed pres...

Page 12: ...d Information about the used refrigerants The Regulation EU No 517 2014 on fluorinated greenhouse gases applies to all systems which contain fluorinated refrigerants and replaces EC 842 2006 The aim o...

Page 13: ...for cooling and causes calcination of the heat exchanger x Ferrous water or water containing ferrous particles will cause formation of rust even in heat exchangers made of stainless steel x Chlorous w...

Page 14: ...Note Draws attention to something special Important Indicates usage tips and other useful information 4 3 Safety instructions Follow the safety recommendations to prevent damage to persons or property...

Page 15: ...re moving the unit x Always turn off the unit and disconnect the mains cable from the power source before cleaning the unit x Always empty the bath before moving the unit x Transport the unit with car...

Page 16: ...of refrigerant For 0 52 kg of refrigerant R 404A 1 m3 of space is required For 0 423 kg of refrigerant R 452A 1 m3 of space is required x Connect the tubings for cooling the external system to the pu...

Page 17: ...o when a dangerous substance was spilled on or in the unit Before starting to work obtain information concerning the substance and determine the method of decontamination 5 1 Tubing Caution x Employ s...

Page 18: ...T 11 12 13 15 17 Air cooled model feed pressure not adjustable RS232 ALARM 1 2 3 4 5 6 7 8 9 10 IN OUT IN OUT 11 12 13 13 14 15 16 17 Water cooled model 16 with feed pressure adjusting valve 14 or Lif...

Page 19: ...ressure indication Manometer 8 Filling level indication 9 Drain tap with drain port 10 Venting grid removable 11 Mains fuses 16 A 230 V unit 20 A 115 V unit 12 Mains power cable with plug 13 Pump conn...

Page 20: ...20 Top view Push Push 4 18 4 Protection lid for fill in opening 18 Protection lid for storing place of operating manual www com information itm com 1 800 561 8187...

Page 21: ...water Danger of freezing at working temperatures 5 C Recommended bath fluids Bath fluids Temperature range soft decalcified water 5 C to 80 C See website for list of recommended bath fluids Contact s...

Page 22: ...econds x Tempering fluid is pumped into the externally connected system Refill fluid up to marking H x The recirculating cooler is ready for operation 7 4 Switching on Start Stop Switching on The reci...

Page 23: ...5 Tighten the nut on the seal a f 27 6 Place the seal back over the screw connection 7 Secure the stuffing box gland cover 8 Attach the hand wheel to the adjustment valve and secure the nut The adjust...

Page 24: ...the effective start mode AUTOSTART on AUTOSTART off Warning For supervised or unsupervised operation with the AUTOSTART function avoid any hazardous situation to persons or property The circulator doe...

Page 25: ...l circuit If the low liquid level protection device is triggered a complete shutdown of the compressor and circulating pump is effected The alarm is indicated by optical and audible signals continuous...

Page 26: ...r interrupted or short circuited Error in A D converter The return temperature is above the switch off value of the high temperature protection 85 C Check dimensioning of application Use a stronger re...

Page 27: ...t the power plug from the mains socket Only use fine fuses with a nominal value as specified Fuses The mains fuses on the rear of the unit may easily be exchanged as shown on the left Fine fuses 16 A...

Page 28: ...GND Pin 7 RTS Request to send Pin 8 CTS Clear to send Pin 1 4 6 9 Reserved do not use Accessories Order No Description 8 980 073 RS232 interface cable 9 pol 9 pol 2 5 m 8 900 110 USB interface adapte...

Page 29: ...mmand x parameter the character separating decimals in a group is the period out command x end of file Hex 0D out in command x The response data string after an in command is always followed by a line...

Page 30: ...ng cooler in OFF state 01 MANUAL START Recirculating cooler in keypad control mode 02 REMOTE STOP Recirculating cooler in r OFF state 03 REMOTE START Recirculating cooler in remote control mode 11 5 E...

Page 31: ...water cooled condenser 12 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...

Page 32: ...gned for continuous operation under normal conditions Periodic maintenance is not required The tank should be filled only with a bath fluid recommended by JULABO To avoid contamination it is essential...

Page 33: ...the power source x Hold the venting grid pull out and remove x Slide a short piece of tube onto the drain connection and hold it into a container x Open the drain tap and empty the unit completely x C...

Page 34: ...ted to a maximum of 10 000 working hours To apply for this extended warranty the user must register the unit on the JULABO web site indicating the serial no The extended warranty will apply from the d...

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