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Instruction Manual
2 Important Safety Information
InstruTech has designed and tested this product to provide safe and reliable service, provided it is installed and
operated within the strict safety guidelines provided in this manual. Please read and follow all warnings and
instructions.
To avoid serious injury or death, follow the safety information in this document. Failure to comply with these
safety procedures could result in serious bodily harm, including death, and or property damage.
Failure to comply with these warnings violates the safety standards of installation and intended use of this
instrument. InstruTech, Inc. disclaims all liability for the customer's failure to comply with these instructions.
Although every attempt has been made to consider most possible installations, InstruTech cannot anticipate
every contingency that arises from various installations, operation, or maintenance of the controller. If you have
any questions about the safe installation and use of this product, please contact InstruTech.
2.1 Safety Precautions – General
Hazardous voltages are present with this product during normal operation. The product should never be
operated with the enclosure removed unless equivalent protection of the operator from accidental contact with
hazardous internal voltages is provided.
WARNING! There are no operator serviceable parts or adjustments inside the product enclosure. Refer
servicing to service trained personnel.
Do not modify this product or substitute any parts without authorization of qualified InstruTech service trained
personnel. Return the product to an InstruTech qualified service and repair center to ensure that all safety
features are maintained. Do not use this product if unauthorized modifications have been made.
WARNING! Source power must be removed from the product prior to performing any servicing.
After servicing this product, ensure that all safety checks are made by a qualified service person. When
replacement parts are required, ensure that the parts are specified by InstruTech, Inc. Substitutions of non-
qualified parts may result in fire, electric shock or other hazards. Use of unauthorized parts or modifications
made to this product will void the warranty.
To reduce the risk of fire or electric shock, do not expose this product to rain or moisture. These products are
not waterproof and careful attention must be paid to not spill any type of liquid onto these products. Do not
use these products if they have been damaged. Immediately contact InstruTech, Inc. to arrange return of the
product if it is damaged.
InstruTech, Inc.
WARNING
WARNING
WARNING
VGC301A Controller
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