Yamato Neocool CF302L-A, Инструкция по эксплуатации

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7. MAINTENANCE PROCEDURES
Inspection and Maintenance
WARNING

Be sure to disconnect power cable before conducting inspection and maintenance, unless
otherwise necessary.
 Inspect and perform maintenance when unit and circulation water is at room temperature.
 Never attempt to disassemble unit.
CAUTION
 Clean unit using soft damp cloth. Never use benzene, paint thinner, scouring powder, scrubbing
brush or other abrasives and solvents to clean unit. Superficial damage and/or discoloration, as
well as deformity to some components may result.
Check at each operation
Make sure that there is no leaks, abnormal noise and vibration while unit is running.
Inspect monthly.
Inspect ELCB ON and OFF function.
Prepare unit for inspection by connecting power cable to a
facility outlet or terminal.
・
Confirm that ELCB is "OFF (O)", then turn it back "ON (|)".
・
With ELCB "ON (|)", depress the test button on ELCB using
a ball-point pen or other fine-tipped object. If ELCB shuts
off, it is functioning normally.
Hose replacement
Ethylene propylene hose and silicone hose are used for the piping inside unit. Hoses may become
discolored with time. Replacing hoses once every two years is recommended for safe use. Contact
original dealer of purchase for requesting replacement.
Pump replacement
Replace circulation pump by 8000-hour run or once every three years. Water may leak due to
deterioration of seal components inside circulation pump. Contact original dealer of purchase for
requesting replacement.
Changing circulating water
Change circulating water entirely every three months for tap
water/ethanol solutions or every six months for Nybrine
®
solutions. Observe local laws and regulations when disposing
of Nybrine
®
and handle it in an appropriate manner.
Scale, algae and other substances may accumulate in
circulation pump, if the above guidelines are not observed,
resulting in decreased pump performance or equipment
malfunction.
When changing circulating water, pull out the drain plug on the
right side of unit, and discharge the water.
Drain plug
Drain hose
テストボタン
Test button