Yoshitake MD-71, Руководство по эксплуатации

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8.1 Warnings in operation
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Warnings
(1)Before fluid flows, make sure that no risk is anticipated even when fluid flows to the terminals
of the piping.
*If high temperature fluid blows, a burn can possibly result.
*Physical damage can possibly be caused by a fluid outflow.
(2)Keep the control panel energized at all times.
*If it is not kept energized at all times, no operation will be anticipated in the case of a power
failure.
(1)Since the shut-off valve has a mechanical working portion (connector unit), avoid access to
the moving unit in operation.
(2)Avoid a using method where a reverse rotation signal is input in a switching operation.
*This can shorten the life time of the product.
8.2 Trial running
When a shut-off valve is installed with newly installed piping or replacement or in periodic
inspection, run a trial according to "8.2.2 Trial running procedure."
8.2.1 Check before trial running
Before making a trial, ensure to check the following items:
(1)Make sure that no mistake of the connection and input power supply specifications is found.
(2)Make sure that the steel ball retention intent stopper (tie wrap band) of the seismic detector is
removed. (See (7) of "7.4 How to adjust the seismic detector").
(3)Make sure that the operation indicator of the seismic detector is in "green."
(See (8) of "7.4 How to adjust the seismic detector").
(4)Make sure that the shut-off valve automatic/close selector switch is turned to the
"automatic" side.
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Caution
(1)Ensure to make a check before making a trial.
*This can possibly cause a malfunction.
8.2.2 Trial running procedure
To operate the following operation procedure, see "each unit name of '4.2 Control panel' on page 5."
Since it is used for "9.3 Periodic inspection" as well, copy and use it for convenience sake.
Interlock with the pump protection intent and external alarm intent is based on both the two shut-off
valves connected (those for controlling 3 units and 4 units require the unit quantity in the same
manner). No.1 to No.6 are in the operation procedure in series.