HTM(HPV)-20N Series
HITROL CO., LTD.
14
Safety and
Environment
Marking
Weather-proof Version
Ex-proof Version
■ Precautions for Use
- Make sure to connect the product and vessel using required tools for sure.
- Keep the lock key safe and make sure that it is locked.
- Do not apply high impact to the product.
■ Precautions for Wiring
- Make sure to wire contacts correctly.
- Internal ground (inside product housing) and external ground shall be connected.
- Wire and supply the power to the product after checking the specifications.
- Incorrect power voltage may cause damage to the product.
- Pay attention to prevent electric shock.
■ Disposal of Product
- Make sure to separate the amplifier and main unit from housing before disposing
the products. Also, the amplifier shall be detached and discard the metal and non-
metallic materials. No part (ex. Mercury switch) has influence on the environment, so
no special attention is required.
■ Product Identification
- The product identification mark is attached onto the housing and shows the model name,
serial number, working temperature, working pressure, and matters regarding output. The serial
number is a unique manufacturing number for the identification of products.