Service Safety Summary
iv TPG20 Service
To Avoid Fire or Shock Hazards:
Do not perform internal service or adjustments of this product unless another
person capable of rendering first aid and resuscitation is present.
Before servicing, remove jewelry such as rings, watches, and other metallic
objects. Disconnect power before removing protective covers, replacing
components, or soldering. Test before touching exposed connections and
components when power is present.
Use only the power cord set provided with this product, or some other properly
rated and approved cord set configured for the local mains supply outlets.
This product is designed to operate from a power source that will apply no more
than 250 VRMS between the supply conductors, or between either supply
conductor and ground.
Before connecting the product’s input or output terminals, plug the power cord
into a properly wired receptacle. A protective ground connection, through the
grounding conductor in the power cord, is essential for safe operation.
Use only the fuse type and rating specified for this product.
Observe and follow all ratings and markings on the product. Consult the
product’s manual for further ratings information before making any connections
to the product.
This product is intended to be connected to products with their common at
ground potential. Do not connect to elevated or floating common voltages.
Replace batteries only with the proper type and rating specified. Refer to the
instructions in the manual for details on battery replacement.
Note: Batteries should always be discarded in accordance with all local
regulations.
Refer to the manual’s installation instructions for details on installing the product
so that it has adequate cooling ventilation.
Do not operate this product in wet/damp locations or conditions. This product is
not designed for use in an explosive atmosphere.
Do Not Service Alone
Avoid Exposed Circuitry
Use Proper Power Cord
Use Proper Power Source
Ground the Product
Use Proper Fuse
Observe All Ratings
Battery Replacement
Provide Proper Ventilation
Use in Proper
Environment