YOKOGAWA Admag AXW, Руководство пользователя, Страница: 26 / 52

<5. MAINTENANCE>
5-1
IM 01E25D11-01EN
5. MAINTENANCE
WARNING
• Maintenance work must be carried out by the
trained personnel having knowledge of safety
standard and not by operators.
• When opening the cover, wait for more
than 10 minutes after turning off the power.
Furthermore, opening of the cover must also
be carried out by the trained personnel having
knowledge of safety standard.
CAUTION
• When opening the cover, use a hexagonal
wrench (nominal size 3 mm).
• Be sure to lock the cover using a hexagonal
wrench (nominal size 3 mm) after installing the
cover.
5.1 Changing Direction of
Electrical Connection
IMPORTANT
The following types can not be changed direction
of electrical connection after delivery.
• Submersible Type.
• Optional code DHC (for district heating and
cooling or condensation-proof).
(1) The following tools are required to change the
direction of the electrical connection:
• Hexagonal wrench (nominal size 1.5 mm)
• Wrench
(2) Turn off the power to the flowmeter.
(3) Using the wrench, loosen the hexagonal nut at
the neck of the instrument.
F0501.ai
(4) Using the hexagonal wrench, loosen the screw
in the neck.
(5) Turn the terminal box in the desired direction.
NOTE
The terminal box can be turned –140 degree to
+180 degree from the arrow mark indicating the
flow direction. Do not exceed these angle.
(6) Using the hexagonal wrench, retighten the neck
screw.
F0502.ai
+180º -140º
(7) Using the wrench, retighten the hexagonal nut
at the neck. After that, check that the terminal
box is fixed.