Service Contracts; General Guidelines - Neslab Steelhead 1 Instruction And Operation Manual

Section V Preventative Maintenance
For personal safety and equipment reliability, the following procedures
should only be performed by a qualified technician. Contact our Ser-
vice Department for assistance (see Preface, After-sale Support).
Shut down the system and lock the main circuit breaker in the OFF
position before attempting any preventative maintenance.
Do not remove the bleed off resistors from the capacitor filter. Capaci-
tors carry a residual charge after power down.

Service Contracts

General Guidelines

NOTE:
Uninhibited Ethylene glycol (EG) degrades over time and starts to
corrode metal. Draining the system alone will not remove corrosion by-
products. Use system pressure to flush all the componets.
EG is hygroscopic, it will absorb water from its environment. This can
affect the freezing point and boiling point of the fluid over time. This
may result in system failure.
Top-off th system with Uninhibited EG. Do not “top-off” with water.
Topping-off with plain water can severely effect the freezing point and
boiling point of the fluid. This may result in system failure.
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