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05.05.09
Wiring
CAUTION: HAZARD OF ELECTRIC SHOCK. Turn
off and lock out all power to heaters before servicing.
To avoid electric shock and damage to property and
equipment, electrical sensors, or peripheral devices,
heaters must be installed by a qualified electrician in
accordance with National Electric Code and any other
national or local codes required. Failure to do so could
result in injury or death.
Properly rated hook-up wire must be used to connect
electrical power to the heater. The physical and
environmental conditions are determining factors for
the correct wire size, material, and insulation type to be
used. High temperature wire such as MG (mica/glass)
or TG(Teflon/glass) with nickel clad copper conductors
may be required.
Use the ground lead wire to make a good electrical
ground. Do not depend on the aluminum case to serve
as a ground path.
CAUTION: When installing a thermocouple, properly
insert it straight into the ceramic sleeve inside the
heater until it touches the backside of the glass face.
When correctly installed, it should drop in without any
force. If it stops part way in or if there is any
resistance, it is not in the ceramic sleeve and should
be removed and inspected. Incorrect installation will
result in an inaccurate reading and may damage or
short out the heater or any connected devices. Any
damage from an improperly installed thermocouple will
not be covered by the warranty.
Warranty
The heaters are warranted to be free from defects of
workmanship and materials for 1 year or 4,000 hours,
whichever is first, from date received by customer.
Evidence of misuse, field modification or repair voids
warranty. Liability is limited to repair, replacement or
refund of faulty material or workmanship.
Operation
CAUTION: HAZARD OF ELECTRIC SHOCK. Internal
elements and hardware are live electrical conductors.
Do not operate with a broken or cracked glass face
plate. If any object contacts and breaks the glass,
disconnect and lock out all sources of power before
attempting to remove the items. Electrocution and
permanent heater damage may result.
Long heater life and high heating efficiency will result
when heaters are properly operated with the following
guidelines.
Operate heaters at the rated voltage only.
It is recommended to control the heater output with
SCR or SSR controllers. Controlling heater
temperature at below 100% output will
proportionally increase heater life.
Do not operate heaters in chamber temperatures
exceeding 400 degrees F. Aluminum cases can
soften and distort.
Product should not come into contact with or rest
on any part of the heater or it’s face.
Do not operate heaters at high outputs for
extended periods of time without product present
to absorb the energy.
Do not leave operating heaters unattended.
Heaters should not be operated in environments
with factors that can oxidize or destroy the
elements or insulation inside the heater. Water or
water vapor, grease, oils or oil vapors, corrosive
liquids and vapors, noxious or reactive gases, and
contaminants can create leakage (shock) hazards,
permanent heater damage, or cause heater failure.
Maintenance
The heater must be allowed to cool completely, and all
power must be turned off and locked out prior to any
maintenance.
When replacing a heater, only install a heater of the
same style and voltage, and the same or less wattage.
Replacement glass and elements are available for field
repair. Call the manufacturer for details.
To clean a heater, the output may periodically be set to
a high setting for a short time to burn off any build up
on the glass/ceramic face. Use only a dry cloth or only
damp with water or mild cleaner to wipe all external
surfaces. Never wash down with any sprayed liquid or
solvent. Do not get liquid in glass/ceramic face seams.
