Parr Instrument Series 4520 - Manual (Page 4)

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4520 Bench Top Reactors Parr Instrument Company
Explanation of Symbols
II On Position, full power heater switch
I On Position, half power heater switch
O Off Position
~ Alternating Current (AC)
This CAUTION symbol may be present on the Product Instrumentation and
literature. If present on the product, the user must consult the appropriate
part of the accompanying product literature for more information.
This CAUTION symbol indicates that the surface may be hot.
Protective Earth (PE) terminal. Provided for connection of the Protective
Earth (green or green/yellow) supply system conductor.
Environmental Conditions
This apparatus is to be used indoors.
Operating: 15 °C to 35 °C; maximum relative
humidity of 80% non-condensing.
Installation Category II (overvoltage) in
accordance with IEC 664. Pollution degree
2 in accordance with IEC 664.
Altitude Limit: 2,000 meters.
Storage: -25 °C and 65 °C; 10% to 85%
relative humidity.
Provisions for Lifting and Carrying
The Series 4520 Bench Top Reactors
and their components are very heavy.
Before moving ensure all cables are
disconnected. Use proper and safe lifting
techniques when installing or moving the
reactor and/or its components.
Caution!
Do not use in hazardous
atmospheres.
Cleaning & Maintenance
Periodic cleaning may be performed on
the exterior surfaces of the instrument with a
lightly dampened cloth containing mild soap
solution. All power should be disconnected
when cleaning the instrument.
There are no user serviceable parts inside
the product other than what is specifically
called out and discussed in this manual.
Advanced troubleshooting instructions
beyond the scope of this manual can be
obtained by calling Parr Instrument Company
in order to determine which part(s) may be
replaced or serviced.
Ensure that any hot
surfaces have had
adequate time to cool
before cleaning or
maintaining the reactor
and/or its components.