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LT756X1 • 9/11/97

Type HP18300

Nuova II Hot Plates

OPERATION MANUAL

AND PARTS LIST

SERIES 756

Model #

Top Plate Size (cm)

Voltage

HP18320
HP18320-26
HP18324
HP18325

7" x 7" (18 x 18)
7" x 7" (18 x 18)
7" x 7" (18 x 18)
7" x 7" (18 x 18)

220-240
220-240

100
120

ARNSTEAD

HERMOLYNE

Содержание Nuova II

Страница 1: ...Nuova II Hot Plates OPERATION MANUAL AND PARTS LIST SERIES 756 Model Top Plate Size cm Voltage HP18320 HP18320 26 HP18324 HP18325 7 x 7 18 x 18 7 x 7 18 x 18 7 x 7 18 x 18 7 x 7 18 x 18 220 240 220 24...

Страница 2: ...operation 6 Specifications 7 Electrical Specifications 7 General Specifications 7 Installation 8 Operation 9 Maintenance and Servicing 10 Troubleshooting Guide 10 Preventive Maintenance 10 Exploded V...

Страница 3: ...laboratory equipment appropriate safety clothing glasses gloves and coats should be worn when operating hot plates Always use appropriate hand and eye protection when handling hazardous chemicals 3 DO...

Страница 4: ...op plate will remain hot without visual indication for some time after the unit has been turned off To avoid electrical shock 1 Always use a properly grounded electrical outlet with correct voltage an...

Страница 5: ...the door the hearth collar in the chamber of the product or under the hot plate top Tests performed by the manufacturer indicate that there is no risk of exposure to dust or respirable fibers resultin...

Страница 6: ...may ignite such materials The unit consists of 1 a heated plate and 2 an adjustable temperature control Principles of operation The heating surface is comprised of glass bonded to a steel plate the g...

Страница 7: ...inches x 8 625 inches 30 16 x 11 43 x 21 91 cm All models weight 7 3 pounds and their maximum temperature is 371 C 700 F Electrical Specifications Model No Volts Amps Watts Frequency Hz HP18320 220 24...

Страница 8: ...the specification plate Prior to connecting your Type 18300 hot plate to your electrical supply be sure the dial switch is in the off position Installation Warning Always use a properly grounded elect...

Страница 9: ...uld be placed on the top plate while the unit is cooling down Failure to follow these steps could result in the glass material separating fritting from the metal core of the top 2 Avoid using the unit...

Страница 10: ...Troubleshooting Guide Problem Possible Causes Solutions Cycle light does not illuminate Hot plate not connected to power supply Cycle light burned out Check hot plate connection to power source Repla...

Страница 11: ...the contacts make contact Note Be sure that the washer spacer is still positioned against the backside of the knob 6 Slide stop collar back against spring Reinstall retaining clip 7 Turn shaft out unt...

Страница 12: ...le light 4 Remove the cycle light 5 Insert new cycle light and secure with clip 6 Reconnect wires to the cycle light 7 Replace bottom cover and secure 8 Turn hot plate upright and reconnect to power s...

Страница 13: ...her spacer onto the adjusting shaft 11 Recalibrate the unit according to the Recalibrating the Control section Replacing the heating element 1 Disconnect hot plate from power supply 2 Turn hot plate u...

Страница 14: ...to their correct positions 15 Reinstall the washer spacer and knob onto the adjusting shaft 16 If necessary readjust the heater coil making it parallel to the bimetal contact arm with 13 64 clearance...

Страница 15: ...between the knob and the dial plate 7 Turn the knob counterclockwise until the number 0 aligns with pointer line and readjust the stop collar in the Off position 8 Tighten set screw on stop collar and...

Страница 16: ...16 Exploded View...

Страница 17: ...for models HP18324 3 JC707X2 Insulation 4 PT707X2 Plate assembly 5 CR163X1 Cord set 100 120V for models HP18324 HP18325 CR163X2 Cord set 240V for model HP18320 CR727X3 Cord set 240V for model HP18320...

Страница 18: ...whom you purchased this unit or can be obtained promptly from the factory When service or replacement parts are needed we ask that you check first with your dealer If the dealer cannot handle your re...

Страница 19: ...own discretion Heating elements however because of their susceptibility to overheating and contamination must be returned to our factory and if upon inspection it is concluded that failure is not due...

Страница 20: ...20 9001 ISO REGISTERED Barnstead Thermolyne 2555 Kerper Blvd P O Box 797 Dubuque IA 52004 2241 Phone 319 556 2241 800 553 0039 Fax 319 589 0516 E Mail Address mkt barnstead com...

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