
System operation is
noisy
• Release air from air vent
• Purge system of air by following Fill and Pressurize
procedure described in section 3.7
System operation is
noisy
Steam forming in collector
• Check system pressure, collector pressure must be at
least 20 psi / 1.37 bar
• Use Solar Hi-temp heat transfer fluid
System operation is
noisy
Sediment buildup in bottom of tank
or on electric element
Flush tank clean of sediment. If tank is more than 7-10
years old, replace. If in area with hard water should flush
every 6-12 months and/or install water softening
equipment.
Apricus Solar Collector Installation & Operation Manual - USA
Copyright 2011 – Apricus Inc Doc: A7-05.4.12-PB Page 3 of 129
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