
Set to PhAC SC, which is variable speed pump control
Set to No SCPh, which is not a non-variable speed pump
Will keep the solar panel temperature above the Freeze Protection
Temperature setting level by activating the solar pump. Set to 35
°
F
Maximum allowed temperature in tank 1 (T2) during normal operation
Difference (ΔT) between collector temperature (T1) and tank1 temperature
(T2) that will automatically engage pump1. Set to 14
°
F
Difference (ΔT) between collector temperature (T1) and Tank1 temperature
(T2) that will automatically disengage pump1. Set to 4
°
F
Select the minimum collector temperature required for system start-up. Set to
85
°
F
When the water temp. at the location of T3 drop below this setting P3 will start.
When the water temp. at the location of T3 exceeds the Start temperature plus
the Hysteresis setting, P3 will shutoff.
8.11. Replace Front Case
Push the front case into place while making sure to feed the pump power cable through the hole into the
controller enclosure. The casing will simply lock into place.
Apricus Solar Collector Installation & Operation Manual - USA
Copyright © 2011 – Apricus Inc Doc: A7-05.4.12-PB Page 70 of 129
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