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21
Display
WWSD Occupied - The systems warm weather shut down temperature during the
Occupied period. A setpoint demand overrides this setting.
Press the Menu button until ADJUST is visible on the top line of display. Press the
Item button until OCC appears and arrow points to WWSD. Use the up and down arrow
buttons to change to the desired temperature.
Range Available: 35˚ to 100˚F (2˚ to 38˚C or OFF)
WWSD UnOccupied - The systems warm weather shut down temperature during the
UnOccupied period.
Press the Menu button until ADJUST is visible on the top line of display. Press the
Item button until UNOCC appears and arrow points to WWSD. Use the up and down
arrow buttons to change to the desired temperature. This is available with optional timer.
Terminals 1 (com) and 4 (UnO Sw) are made.
Range Available: 35˚ to 100˚F (2˚ to 38˚C or OFF)
Primary Pump Purge - The maximum length of time that the primary pump will
continue to operate after the boiler demand has been removed.
Press the Menu button until ADJUST is visible on the top line of display. Press the
Item button until PURG and MIN appear. Use the up and down arrow buttons to adjust
to
the desired setting.
Range Available: OFF, 0:10 to 19:55 min (5 sec increment)
Units - The units of measure that all of the temperatures are to be displayed by the
control.
Press the Menu button until ADJUST is visible on the top line of the display. Press the
Item button until ˚F or ˚C appears. Use the up and down arrow buttons to change to
the desired setting -˚F or ˚C.
NOTE: When you press ITEM button again you will go to the beginning of the sequence
SPACE HEATING ONLY WITH SETPOINT CONTROL
Description
SC-3 Controller
Default
New
Setting
Setting
70˚F
(21˚C)
60˚F
(15.5˚C)
0:20
min
˚F
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