Operation and Programming the Regusol Controller
Backwards key used for scrolling
backward through the menu or to
decrease the adjustment value
Backwards Forwards
Forward key used for scrolling
forward through the menu or
to decrease the adjustment
Set
Press Set key for programming mode
2 3 1
Operating Mode and Display
Forward or backward buttons will
indicate following information:
COL: Collector sensor temperature
TST: Tank Temperature
hP: Operating hours counter
Programming Mode
To begin programming mode press forward key to
hP display.
Press and hold forward key 1 in “hP” mode for
2 seconds.
Menu mode displays next indicator (DT 0) and may
now be scrolled through rest of programmable settings
using keys 1 or 2 (forward or backward through the
entire menu).
Values in display settings may be changed by pressing
the Set key 3. “Set” icon will blink while in programming
mode. Raise or lower values with keys 1 or 2. Press
set button once more to complete change. “Set” icon
will stop blinking.
Program Changes
“DT 0” differential turn on set point
The first program display will be “DT 0” differential turn
on set point. DT 0 is set at 12 ºF. This indicates what
turn on temperature the collectors must be above the
tank to begin solar circulation. No change is necessary.
“DT F” differential turn off set point
The second indicator will be “DT F” differential turn off
set point. DT F is set at 5 ºF. This indicates what turn
off temperature the collectors must be above the tank
for solar circulation to end. No change is necessary.
Program Changes
Mode of Operation ON / OFF / AUTO
“HND 1”
Scroll through menu to “HND 1” display. This is
near the end of the program display menu. This is
for the setting switch ON, OFF, or AUTO that
allows the controller the function of operation.
It is a service operation switch.
ON position energizes the pump to circulate at all
times.
OFF position keeps the pump from circulating.
AUTO allows the controller to operate the pump
based on the differential temperatures (normal
operation).
Default setting is AUTO. To change press Set key
3. Press key 1 or 2 to change into ON, OFF or
AUTO mode. Press set key 3 again to complete
change and before moving into the next menu.
Always leave the controller in AUTO for normal
solar collection cycling.
“S MX” storage maximum set point
“S MX” is set at 140 ºF. This setting can be turned
up only if there is a anti-scald valve installed on the
DHW system.
To change press Set key 3. Press key 1 to increase
or 2 to decrease the storage maximum tempera-
ture. Press set key again to set change.
Display
