Barnstead Thermolyne Corporation Nuova II User manual

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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
BARNSTEAD|THERMOLYNE

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Table of Contents
Safety Information .............................................................................................................................................. 3
Alert Signals.................................................................................................................................................... 3
Safety Information........................................................................................................................................... 3
Warnings......................................................................................................................................................... 3
Introduction ........................................................................................................................................................ 6
Principles of 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 View ................................................................................................................................................. 16
Replacement Parts Listing ............................................................................................................................... 17
Ordering Procedures .................................................................................................................................... 17
Material Safety Data Sheet .............................................................................................................................. 18
One Year Limited Warranty.............................................................................................................................. 20

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Safety Information
This manual contains important operating and
safety information. You should carefully
read and understand the contents of this manual
prior to the use of this equipment.
Safety Information
Your Thermolyne Nuova II Hot Plate has been
designed with function, reliability, and safety in
mind. It is your responsibility to install it in
conformance with local electrical codes. For safe
operation, please pay attention to the alert signals
throughout the manual.
Warnings
1. Do not immerse unit for cleaning.
2. As with all 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 NOT remove or modify grounded
power plug. Use only properly grounded
outlets to avoid shock hazard. Not rated
for use in hazardous atmospheres.
4. Do not use in the presence of flammable
or combustible chemicals; top surface and
element can reach the “Flash Point
Temperature” of many chemicals. THESE
HOT PLATES ARE NOT EXPLOSION
Warning
Warnings alert you to a possi-
bility of personal injury.
Caution
Cautions alert you to a possi-
bility of damage to the equip-
ment.
Note
Notes alert you to pertinent
facts and conditions.
Alert Signals

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PROOF. Fire or explosion may result.
Unit contains components which may
ignite such materials.
5. “Caution: Hot Surface. Avoid Contact.”
The top 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 and current
handling capacity.
2. Disconnect from power supply before
servicing.
3. Refer servicing to qualified personnel.
SAFETY INFORMATION

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Please note the following WARNINGS:
Warning
This warning is presented for compliance with California Proposition 65 and other regulatory
agencies and only applies to the insulation in this product. This product contains refractory
ceramic, refractory ceramic fiber or fiberglass insulation, which can produce respirable dust
or fibers during disassembly. Dust or fibers can cause irritation and can aggravate
preexisting respiratory diseases. Refractory ceramic and refractory ceramic fibers (after
reaching 1000°C) contain crystalline silica, which can cause lung damage (silicosis). The
International Agency for Research on Cancer (IARC) has classified refractory ceramic fiber
and fiberglass as possibly carcinogenic (Group 2B), and crystalline silica as carcinogenic to
humans (Group 1).
The insulating materials can be located in 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 resulting from operation of this product
under normal conditions. However, there may be a risk of exposure to respirable dust or
fibers when repairing or maintaining the insulating materials, or when otherwise disturbing
them in a manner which causes release of dust or fibers. By using proper handling
procedures and protective equipment you can work safely with these insulating materials
and minimize any exposure. Refer to the appropriate Material Safety Data Sheets (MSDS)
for information regarding proper handling and recommended protective equipment. For
additional MSDS copies, or additional information concerning the handling of
refractory ceramic products, please contact the Customer Service Department at
Barnstead|Thermolyne Corporation at 1-800-553-0039.
SAFETY INFORMATION
Warning
Refer servicing to qualified personnel.