Thermo Scientific RVT5105 Manuale di programmazione

Thermo Scientific

RVT5105 Refrigerated

Vapor Traps

Installation and Operation

128-3000-51 March 2012

IMPORTANT Failure to follow the instructions in this manual can result in damage to the unit, injury to

operating personnel, and poor equipment performance.

CAUTION All internal adjustments and maintenance must be performed by qualified service personnel.

Material in this manual is for informational purposes only. The contents and the product it describes are

subject to change without notice. Thermo Fisher Scientific makes no representations or warranties with respect

to this manual. In no event shall Thermo be held liable for any damages, direct or incidental, arising from or

related to the use of this manual.

Table of Contents

Description...............................................................................1

Receiving and Inspection ..........................................................2

Receiving .................................................................................2

Unpacking ...............................................................................2

Inspection. ...............................................................................2

Installation ...............................................................................2

Site preparation........................................................................2

Other Components..................................................................3

Preparing for Operation...........................................................3

GCF400...................................................................................4

GF4000 (use with SC250EXP only) ........................................5

Tubing Connections ................................................................7

Operation .................................................................................8

Sequence of Operation.............................................................8

Emptying the Glass Vessel........................................................8

Maintenance and Troubleshooting .........................................10

Replenishing CryoCool..........................................................10

Vibration ...............................................................................11

Cleaning the Condenser.........................................................11

Specifications..........................................................................12

Accessories ..............................................................................13

Technical Support ..................................................................13

Warranty ................................................................................14

Description

Thermo Fisher Scientific 1

1 Description RVT series Refrigerated Vapor Traps are reliable, easy-to-use, compact

benchtop traps for solvent vapor condensation and collection. Mechanically

refrigerated vapor traps replace dry ice/methanol traps, and are the easiest,

most practical, and safest way to protect high-vacuum, rotary vane oil

pumps in a vacuum system.

Solvents are removed from samples during vacuum evaporation with a

SpeedVac® Concentrator or during rotary evaporation and are collected in

the CFC-free Refrigerated Vapor Trap. Solvent vapors pass into a Glass

Condensation Flask and condense on its walls. This prevents the vapors

from reaching and potentially damaging the oil-sealed vacuum pump.

When used in conjunction with the ThermoSci VaporNet® controller,

RVT-series traps provide levels of solvent recovery equal to the most

elaborate liquid nitrogen traps.

Operating temperature is -105C.

The RVT5105 is controlled simply by an on/off (I/O) switch located on the

left side. An amber LED on the right front indicates that the unit is on. A

green LED indicates that the operating temperature has been reached and

the unit is ready to use.

The RVT5105 employs a cascade (dual compressor) refrigeration system to

achieve its low operating temperatures.

CAUTION! To assure safe operation and best results, read this

manual in its entirety before operating this instrument. Improper

operation can damage the trap or your vacuum pump.

Receiving and Inspection

Thermo Fisher Scientific 2

2 Receiving and

Inspection

2.1 Receiving Inspect the shipping carton upon receipt. If the carton is damaged in

anyway, call ThermoSci or your local distributor.

2.2 Unpacking Carefully remove the instrument from its shipping carton. Lift and carry

with two people, holding the unit securely underneath with both hands.

Compare the packing list to the box contents. If there is a discrepancy, call

your distributor.

2.3 Inspection. Inspect the unit for any damage that may have occurred during shipment.

Should there be damage, report it to the carrier and contact Thermo

immediately. Make sure the carrier inspects the damage and leaves an

inspection report. Register claims for shipping damage against the carrier or

his agent. Save the shipping carton in the event a return is necessary.

3 Installation

3.1 Site preparation The trap is typically placed on a bench top at least 26 inches (66 cm) deep

and located near a power outlet of the required voltage. The outlet must

have a rating of at least 13 A for 115V operation, or 7 A for 230 V

operation. The trap draws high current when first switched on; therefore,

other high-powered equipment, or equipment that will be affected by a

momentary drop in power, should not be placed on the same circuit as the

trap. The refrigerated trap and SpeedVac® may also be installed on a sturdy

mobile cart, such as Thermo Scientific’s Deluxe Convenience Cart,

(CC120/DX).

Provide adequate ventilation. Thermo refrigerated traps are air-cooled and

require at least 3 inches (7.62cm) of clearance for ambient air suction. The

RVT5105 draws air from the rear of the unit. Ambient temperature must

not exceed +90 °F (+32 °C) during operation.

Installation

Thermo Fisher Scientific 3

3.2 Other Components The following accessories are ordered separately:

Glass Condensation Flasks. GCF400 and GF4000

Order the wide-mouth GCF400 flask (4-liter Glass Condensation

Flask) for all standalone concentrators except for the SC250EXP.

Order the GF4000 for use only with the SC250EXP.

The glass flasks are quickly exchanged between runs and are easy to clean.

Having several available permits uninterrupted refrigerated trap operation

while the used vessel is being defrosted, cleaned and dried for next time.

CryoCool®Heat Transfer Fluid. A permanent, safe, efficient, and

economical alternative to methanol or ethanol. CryoCool does not

evaporate, has very low water absorption, is odorless, and non-toxic. Order

SCC1 for a 1-liter bottle; order SCC5 for a 5-liter bottle.

In addition, Thermo Scientific offers a complete line of other

components required for drying, including vacuum tubing kits,

SCT120 Chem traps and replacement Flask Covers for the GCF400.

3.3 Preparing for

Operation

Switch the trap OFF. Connect the power cord to the receptacle on the right

side of the instrument. Plug the trap into an appropriate wall outlet.

CAUTION! Before connecting the Refrigerated Vapor Trap to an

outlet, check voltage, frequency, and amperage to be sure they match

the power requirements indicated on the rear of each instrument. (115

VAC/60 Hz, 13 A, 230 VAC/50 Hz, 7 A.) If there are any questions,

please consult an electrician.

As a safety feature, units are equipped with a three-prong grounded plug

that fits a grounding-type power outlet. Consult an electrician to replace

outlet if necessary. Do not defeat this safety feature by modifying the plug.

These units are “FOR INDOOR USE ONLY”. Avoid operating in areas of

excessive humidity or extremes of temperature.

Pour CryoCool Heat Transfer Fluid (500 ml) into the stainless steel trap

chamber. Before each use, be sure the chamber is filled to the correct level. If

necessary. add more CryoCool.

Cryocool can now be drained from the RVT5105 system to remove

unwanted ice or other contaminates after the system has been fully

defrosted. Refer to Section 5 on page 10 for troubleshooting and

maintenance details.

Installation

Thermo Fisher Scientific 4

Glass Condensation Flasks Glass condensation flasks are ordered separately. They come in two types:

the GCF400 and the GF4000.

3.4 GCF400 The GCF400 is an open-mouth flask used with 4-liter traps. The wide

mouth facilitates cleaning and removal. A rubber Flask Cover (FC400) fits

over the top, and tubing attaches to this by means of fittings pushed into

molded ports on the rubber cover. This forms the vacuum connection. An

insulating cover fits over the flask to seal in the cold and seal out

atmospheric condensation from the refrigerated chamber.

The figure below shows the GCF400 installation in the RVT5105 chamber.

To the left is an insulation “lift and turn”retaining clip.

Figure 1. GCF400 in RVT5105 chamber

Installation Place a clean, dry Glass Condensation Flask into the stainless steel chamber.

Fit the black insulating cover over the flask. Seal flask mouth with the black

rubber Flask Cover (FC400). Press down flask and black insulating cover so

that the level of CryoCool rises around the flask, and so that the flask, its

cover, and insulation are seated to operating position. Lift and rotate the two

black retaining clips to hold down both the insulation ring and the Glass

Flask.

Installation

Thermo Fisher Scientific 5

The figure below shows the GCF400 with the black insulation ring, locked

down in the chamber by means of the retaining clips.

Figure 2. GCF400 locked down in chamber

This will fully seal the chamber. Withdraw the flask again and verify

that the level of CryoCool came to within about a half-inch (12–15

mm) from the top (shoulder) of the flask. If the level is low,

carefully pour more CryoCool into the chamber while holding

down the flask. Immediately wipe clean any CryoCool that spills onto

the rubber chamber seal or Flask Cover.

3.5 GF4000 (use with

SC250EXP only)

The GF4000 is a wide-mouth threaded flask used exclusively with the

SC250EXP SpeedVac system. The wide mouth facilitates easier cleaning

and removal of solvents.

A black insulating cover fits over the flask to seal in the cold and seal out

atmospheric condensation from the refrigerated chamber. A large

polypropylene vacuum connection fits over the top and is secured by means

of a threaded poly nut, and tubing attaches to this by means of stainless steel

fittings. This forms the vacuum connection.

Installation

Thermo Fisher Scientific 6

The following figures illustrate GF4000 condensation flask installation.

Figure 3. GF4000with insulation ring

Figure 4. GF4000 locked down with retaining clips

Figure 5. GF4000 with SC250 vacuum cap installed

Installation

Thermo Fisher Scientific 7

To install the GF4000, place a clean, dry Glass Condensation Flask into the

stainless steel chamber. Fit the black insulating cover over the flask. Lift and

rotate the two black retaining clips to hold down both the insulation ring

and the glass flask.

NOTE: After the large Polypropylene cap has been installed, follow

directions for installation of vacuum lines included with the SC250EXP

system.

3.6 Tubing Connections A 1/2-inch O.D. fitting is required to connect tubing to the rubber flask

cover. If tubing from the SpeedVac concentrator (or other drying apparatus)

is wider (for example, SC250DDA or SPD131DDA), a reducer fitting

(such as the 3/4 –1/2 inch M60-0044-24 included with these units) is

needed. Fit the fitting to the tubing, and press the fitting into the molded

port on the rubber cover. Fit the suction line from the pump end of the

system in a similar manner.

For tubing instructions, refer to the installation instructions with tubing kits

(UTP-TYG) or with the SpeedVac concentrators. It does not matter which

molded port is used for the SpeedVac and which is used for the pump. The

best setup will have the shortest, straightest line of tubing with the fewest

amount of bends. It should achieve a convenient and comfortable lay of

tubing, with little stress on the fittings. The rubber cover and flask should be

easy to remove for system maintenance.

NOTE: Previous SpeedVac users may note that the GCF400 does not have

an internal funnel like the older GIT-type trap. In many cases, this is not

needed to assist in vapor collection. However, if desired, an extender fitting

(such as the M60-0044-14 straight fitting included in the UTP-TYG kit)

can be inserted under the rubber cap, so that vapors from the concentrator

enter toward the center of the flask.

Indice

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