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Operational
Override Switch
Clock
Alternate
Setpoint Adjustment
Digital Display
OPTIONAL ALTERNATE SETPOINT OPERATION
The Optional Alternate Setpoint can be used to establish an independent second set point for setback or
temperature boost requirements.
TRIPPERS
The electro-mechanical timer consists of 84 small switches called "Trippers" and a 7-day mechanical
clock. Each tripper represents a two-hour interval which determines set point selection as shown:
Tripper Pushed In = Normal Setpoint Operation
Tripper Pushed Out = Alternate Setpoint Operation
OPERATION OVERRIDE SWITCH
The Operation Override Switch is a three-position switch that determines if the trippers select the Setpoint,
of if either the normal Setpoint or Alternate Setpoint is continuously selected. The Operation Override
Switch can be set as follows
I - Alternate Setpoint selected continuously
L - Trippers determine selected set point
O - Normal Setpoint select continuously
MECHANICAL CLOCK (7-DAY)
Set to the appropriate local time.
Note: Turn the numbered dial clockwise to set time.
ALTERNATE SET POINT
Works independently of normal Setpoint. See discussion of Setpoint for details. Set to appropriate
setback or boost temperature. Turn the knob in the night setback option to the desired alternate setpoint.
LCD DISPLAY PANEL
The optional LCD display will indicate all values plus calculated target temperature and actual air and
water temperature.
NIGHT SETBACK OPTION:
DIGITAL DISPLAY OPTION:
OPTIONAL CONTROLS
Front Panel with Optional Alternate Setpoint