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MINI ULTRA ELECTRIC BOILERS Installation and operating manual (Revision: May 2015)
15
ITEM DESCRIPTION CHOICE DEFAULT
Choose the units the user prefers to work with °F or °C °F
Select the type of heating system on which the
boiler will be installed.
Radiant Floor in
concrete
Radiant Floor
between joists
Ca
st iron radiator
Hot water
baseboards
Adjust the maximum boiler target temperature
required to adequately heat the building when the
outdoor temperature is very cold.
Radiant Floor in
concrete
(85°F to 105°F)
Radiant Floor
between joists
(110°F to 140°F
)
Cast iron radiator
(135°F to 165°F)
Baseboard
(160°F to 185°F)
100°F
125°F
150°F
175°F
Select the purge period that the pump will be
running once the heat demand is completed. Select
OFF if the heat system is equipped with electric
zone valves.
OFF
15 sec. to 60
min.
ON
30 sec.
Select the outdoor temperature at which no heating
of the building is required (the outdoor sensor has
to be installed)
0°F to 105°F 75°F
Note1: Once these parameters have been set, the controller will automatically return to its normal view but
the user has the possibility to change the target temperature without having to go through the complete
menus.
4.8.1 Adjustments of the target
temperature by the user
By pressing the the end
user has the possibility to offset the programmed
target temperature without going through the tool
menus.
When the button is
pressed, the value “0” will appear and blink to
show a “0” offset value from the original settings.
When the + or- buttons are pressed again the
offset value will change up to a value of +/- 10°F
(5°C) from the original setting made in the
configuration menu. The new value will blink
during 5 sec. and the display will then go back to
the standard view and the new target
temperature will be shown.
Afterward, when the
button will be pressed, it will show the value of
the offset made previously and can be re-
adjusted.
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