Labconco RapidStill II User Manual Download Page 26

Chapter 6: Troubleshooting 

 

Product Service 1-800-522-7658 

23 

 
 

PROBLEM 

CAUSES 

CORRECTIVE ACTION 

 

 

 

NaOH pump runs, 
but doesn’t pump 

NaOH tube is kinked or 
restricted 

Check all lines for kinks or 
blockage 

 

 

 

 

Peristaltic pump tube 
damaged 

Replace peristaltic pump tube 

 

 

 

 

Peristaltic pump is 
damaged 

Replace peristaltic pump 

 

 

 

Water is noisy when 
flowing through the 
unit 

Excessive water flow 
rate 

Reduce the water flow rate 
slightly 

 

 

 

Steam drains 
erratically; steam 
valve is noisy during 
standby 

Drain hose is kinked or 
elevated above the drain 
pipe 

Drain hose must flow 
unrestricted to a drain below 
the drain pipe 

 

 

 

Boiling flask breaks 

Flask has gone dry 

Do not let flask go dry 

 

 

 

 

Water added when 
boiler is dry or low on 
water and hot 

Do not add water to the boiler 
when it is hot and dry, or low 
on water 

 

 

 

Recoveries are low 

Seal is leaking 

Clean/replace the seal 

 

 

 

 

Receiving tube is not 
completely submerged 

The receiving tube must be 
completely submerged in the 
receiving vessel 

 

 

 

 

Not collecting enough 
distillate 

Increase distillation time 

 

 

 

Recoveries are too 
high 

Excessive NH

3

 in feed 

water 

Connect to a different water 
source; install Optional Water 
Inlet Kit #6544200 and feed 
purified water to the boiler 

 
 

Summary of Contents for RapidStill II

Page 1: ...RapidStill II Models 6520000...

Page 2: ...ours of 7 30 a m and 5 30 p m Central Standard Time Part 6544100 Rev F ECO L123 Warranty Labconco Corporation provides a warranty to the original buyer for the repair or replacement of parts and reaso...

Page 3: ...l II 11 Rear View w Optional Water Inlet Kit Installed 12 CHAPTER 3 NORMAL OPERATION 13 Standard Operation Procedure 13 Safety Precautions 14 CHAPTER 4 ROUTINE MAINTENANCE 16 CHAPTER 5 SERVICING THE R...

Page 4: ...achieve maximum performance If you have questions or concerns do not hesitate to call us at 1 800 821 5525 for assistance WARNING The disposal of substances used in connection with this equipment may...

Page 5: ...ic wastes etc Sample digestions are accomplished using Labconco s Rapid Digestor systems described in the Accessories section of this manual Figure 1 Performance The RapidStill II produces steam by he...

Page 6: ...ly locates the digestion tube against the connection stopper 5 Safety Door The safety door surrounds the digestion tube and is designed to protect the operator The door should always be in the closed...

Page 7: ...the boiler Low and high water level marks are on the boiler flask to ease the inspection and addition operations 15 Distillate Outlet Tube This tube carries distillate from the condenser to the solut...

Page 8: ...Chapter 1 Introduction Product Service 1 800 522 7658 5 Figure 2...

Page 9: ...n for the condenser cooling water DO NOT restrict the discharge from the drain pipe or its hose The RapidStill II may be damaged by high water pressure 24 Flow Restrictor The flow restrictor prevents...

Page 10: ...Chapter 1 Introduction Product Service 1 800 522 7658 7 Figure 3...

Page 11: ...ater should be municipal drinking water grade and of sufficient quality to prevent or minimize scaling of the boiler The feed water should have a minimum supply volume of 1 gallon 3 8 liters per minut...

Page 12: ...tions Restrictions of the drain line may produce a pressure buildup in the RapidStill II resulting in damage to the unit and water leakage NaOH Pump Connection Using either the silicone tubing supplie...

Page 13: ...a manner similar to the water inlet fitting below it DO NOT overtighten the nut on the bulkhead union it may damage the fitting 5 Remove the flow restrictor assembly from the T shaped fitting Discard...

Page 14: ...Chapter 2 Installation Product Service 1 800 522 7658 11 Rear View of Standard RapidStill II Figure 5...

Page 15: ...Chapter 2 Installation Product Service 1 800 522 7658 12 Rear View of RapidStill II with Optional Water Inlet Kit Installed Figure 6...

Page 16: ...3 Turn the Boiler Heater switch to the ON position After approximately 10 minutes or when the water in the boiler is at a steady boil the unit is ready for operation 4 Place the digestion tube with a...

Page 17: ...with any regulations that apply in the user s area concerning the dumping of waste materials in or upon water land or air and to comply with such regulations The RapidStill II should not be operated i...

Page 18: ...t the boiler run dry Do not attempt to refill the boiler when it is dry or low on water and hot Failure to ensure proper water level in the boiler or attempting to fill it when hot may result in the b...

Page 19: ...the boiler heater d Depress NaOH Addition switch and hold it on until all of the caustic has been purged out of the system and into the distillation tube e Remove the digestion tube and dispose of th...

Page 20: ...with glass USE APPROPRIATE PROTECTIVE SAFETY EQUIPMENT WHEN HANDLING CLEANING SOLUTIONS ALWAYS FOLLOW THE CLEANING SOLUTION INSTRUCTIONS REGARDING THEIR USE SAFETY PRECAUTIONS TO BE FOLLOWED AND DISPO...

Page 21: ...fuse with a proper replacement part only DO NOT attempt to replace the fuse with one of a higher amperage rating 4 To reinstall the fuse reverse the above steps Removing the Boiler 1 Unplug the RapidS...

Page 22: ...raight away from the frame 7 Remove the heating element cup from its platform by removing the three screws on the underside of the cup 8 Remove the heating element from the cup by removing the two hea...

Page 23: ...Disconnect the electrical connections on the timer noting the terminals orientation 5 Using the proper wrench loosen the hex nut that secures the timer to the front panel and pull the timer out of th...

Page 24: ...dStill II Product Service 1 800 522 7658 21 7 Thoroughly rinse the tube and remove the pump fittings and clamps Retain the fittings and clamps for use on the new tube 8 Install the new tube by reversi...

Page 25: ...d not plugged in Plug in cord Boiler doesn t fill Boiler Heater switch is on Turn off boiler heater before filling Cooling water off or flow rate insufficient Check flow rate of condenser cooling wate...

Page 26: ...inked or elevated above the drain pipe Drain hose must flow unrestricted to a drain below the drain pipe Boiling flask breaks Flask has gone dry Do not let flask go dry Water added when boiler is dry...

Page 27: ...ask 1000 M L 3 1 6541600 Boiler Head 4 1 6543500 Balance Tee 5 2 1359400 Plastic Check Valve 6 1 1363500 Steam Control Valve 7 1 4411500 Water Fill Valve 8 1 1624000 Tubing Silicone 1 2 x 5 16 inch or...

Page 28: ...02200 Switch DPDT 15 1 6522900 Connection Stopper 16 2 6520600 Cap Gasket GL 18 17 1 6520700 Dispensing Tube NaOH 18 1 6520300 Distribution Head 19 1 6521200 Cap Gasket GL 32 20 1 6543600 Condenser Ex...

Page 29: ...Product Service 1 800 522 7658 26 A Ap pp pe en nd di ix x A A D Di im me en ns si io on ns s Figure 10...

Page 30: ...i ic ca at ti io on ns s Electrical Requirements 115 VAC 15 Amps 60 Hz single phase Heating Element 1200 Watt 115 VAC Boiler Capacity 1 liter total volume 750 ml operating volume Condenser Flow Rate 1...

Page 31: ...Product Service 1 800 522 7658 28 A Ap pp pe en nd di ix x C C W Wi ir ri in ng g D Di ia ag gr ra am m Figure 11...

Page 32: ...ohol in a Mixture by Direct Distillation 1993 Labconco Corporation Kansas City MO Methodology for the Determination of Ammonia in Water by Direct Distillation 1993 Labconco Corporation Kansas City MO...

Reviews: