172-65316M-08 (MB12A/MB12AF/MB12B/MB12BF) 7 Oct 2021
8
Installation
DO NOT use for toxic, flammable or otherwise hazardous fluids.
Use only for fluids listed in the specification table. This product is for
intended use only. Improper use may result in such hazards as damage
to the product or malfunctions that may lead to serious accidents.
WARNING
Install properly and DO NOT use this product outside the recommended
operating pressure, temperature and other specification ranges.
Improper use may result in such hazards as damage to the product or
malfunctions which may lead to serious accidents. Local regulations
may restrict the use of this product to below the conditions quoted.
CAUTION
Take measures to prevent people from coming into direct contact with
product outlets. Failure to do so may result in burns or other injury from
the discharge of fluids.
CAUTION
Do not use excessive force when connecting threaded pipes to the
product. Over-tightening may cause breakage leading to fluid
discharge, which may cause burns or other injury.
CAUTION
Use only under conditions in which no freeze-up will occur. Freezing
may damage the product, leading to fluid discharge, which may cause
burns or other injury.
CAUTION
Make sure the power supply is OFF before carrying out work on the
wiring or inspections involving disassembly. If such work is carried out
with the power on, there is a danger that equipment may malfunction or
electric shock may occur, leading to injury or other accidents.
CAUTION
Make sure that wiring work requiring a special license is carried out only
by qualified personnel. If carried out by unqualified personnel,
overheating or short circuits leading to injury, fires, damage or other
accidents may occur.
CAUTION
When using this product, be sure NEVER to stand close to, or leave tools
anywhere near, moving parts such as a shaft. Contact with moving parts
or objects becoming caught in moving parts could lead to injury,
damage or other accidents.
CAUTION
Installation, inspection, maintenance, repairs, disassembly, adjustment and valve
opening/closing should be carried out only by trained maintenance personnel.
Installation Procedures
1. Before installation, be sure to remove all protective seals.
2. Before installing the product, thoroughly blow out the piping to
remove any piping scraps, dirt and oil.
3. When installing the product, confirm that sufficient maintenance
space has been secured around the product. Allow a space (H) of
at least 200 mm above the top of the product.
4. Where the product is installed in a location that may be affected
by radiant heat from nearby heat-generation, install a device such as a protective
plate to block the radiant heat.
5. There are no restrictions concerning which side is to be installed as the inlet and
which side is to be installed as the outlet.
6. Do not remove the cover except when necessary to carry out wiring, and do not
operate the product with the cover removed.
7. Use a connector, etc. for the wiring port (G½) to maintain the seal inside the cover.
8. For screwed models, the installation of unions at the inlet and outlet is
recommended to facilitate replacement of the valve unit.
If there is a problem, determine the cause by using the “Troubleshooting” section of
this manual.
H
