SAFETY - PRECAUTIONS AND FEATURES
2
DO NOT replace components or make adjustments inside the equipment with the main
power supply turned on. Under certain conditions, dangerous potentials may still exist when
the power switch is in the off position due to charges retained by capacitors. To avoid injury,
always remove power and ground a circuit before touching it.
Paint thinners, cleaning solutions and other chemicals or solvents should never be stored in
the vicinity of the unit. High operating temperatures and live electrical circuits could ignite
fumes and cause an explosion.
DO NOT touch refrigeration piping during chamber operation. The refrigeration piping can
become extremely hot or extremely cold, and cause severe burns.
Lockout main power prior to securing. High voltage remains present on main electrical panel
with covers removed.
The chamber door must remain closed during operation. If the door is required to be open,
wear safety goggles to prevent the high velocity airflow from blowing particles or objects
into eyes.
This chamber operates at extreme temperatures. Avoid any personal contact with objects
and surfaces that may be hot or cold to prevent severe burns or frostbite.
The refrigeration unit is a pressurized system and hazards exist which could result in
personal injury. It is therefore recommended that removal and installation of the hermetic
compressor be performed by experienced personnel only. Failure to follow these
instructions may result in serious personal injury.
Gaseous nitrogen/CO2 vent connection must be ducted to the outdoors to prevent
displacement of oxygen around the unit.
DO NOT place items in the chamber that could burn or explode at high temperatures. This
chamber uses open wire heating elements which generate surface temperatures over
1000
°
F (537°C). This is NOT an explosion-proof chamber.
PRODUCT PROTECTION. Chambers are equipped with high heat limits or safety devices.
These safety devices are installed to protect the chamber from exceeding design limits.
These safety devices remove power ONLY from the chamber heaters and DO NOT remove
power from customer product. Provisions must be made to de-energize the product on test
and the chamber in the event of an over-temperature protection.
All OSHA and other applicable local and national codes, regulations, and guidelines regarding
lockout/tagout procedures must be followed while servicing this unit. This may include a
lockable disconnect switch to remove power from the equipment while servicing.
DO NOT reach into an enclosure to service or adjust equipment except in the presence of
someone who is capable of rendering aid.
Do NOT climb or place top-heavy objects on the top of the chamber.
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