SMC Networks Series HRS012-A, Инструкция по установке и эксплуатации

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HRX-OM-M090
Chapter 8 Control, Inspection and Cleaning
HRS Series 8.2 Inspection and Cleaning
8-5
„ Replacement of circulating fluid
z
Clean the tank and replace the circulating fluid (clean water).
z
For the circulating fluid, select from the specification range shown in ’’Table 8-1
Quality standard for fresh water (tap water)’’.
z
When using 15% ethylene glycol solution, check that the concentration is within the
range of 15% +5/-0.
„ Replacement of circulating fluid (For water cooled type)
z
Clean the facility water source and replace the facility water.
z
For the facility water, select from the specification range shown in “Table 8-1 Quality
standard for fresh water (tap water)”.
8.2.4 Inspection every 6 months
„ Check for water leakage from pump (For option T [High head pump])
Remove the panel and check the pump for excessive leakage. If the
leakage is found, replace the mechanical seal. Order the mechanical seal
described in “8.3 Consumables” as a service part.
z Leakage from the mechanical seal
It is impossible to prevent the leakage from the mechanical seal completely
because of its structure. Although the leakage is described as 3cc/hr or less.
z The recommend life time of the mechanical seal before needing replacement is
6000 to 8000 hours (usually 1 year)
Check point to see leakage
Fig. 8-3 Check for water leakage from pump