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section seven
Operation and Programming the Regusol Controller
Backwards key used for scrolling
backward through the menu or to
decrease the adjustment value
Operating Mode and Display
Forward or backward buttons will
indicate following information:
COL: Collector sensor temperature
TST: Tank Temperature
hP: Operating hours counter
Programming Mod
e
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 collec-
tors must be above the tank for solar circulation to end. No change
is necessary.
26
Display
Backwards
2
Press Set key for programming mode
Forwards
Forward key used for scrolling
1
3
forward through the menu or
to decrease the adjustment
Set
Program Changes
Mode of Operation
"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 temperature. Press set key
again to set change.
ON / OFF / AUTO
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