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2.3.2 - Software Settings Switch
This switch is located at the rear of the control panel
faceplate and adjusts the following options.
1
2
3
4
Switch 1 Selects between a Fahrenheit or Celsius display
on the front panel.
Switch 2 Locks/unlocks user settings. All settings except
for main set point, record low, and record high
are locked while this switch is off.
Switch 3
Non active:
Timer operates normally.
Active:
Timer operates at 100% when
temperature reaches 4°F (2°C)
above the main set point. In this
case, the temperature will decrease
faster to the main set point (Heat,
inverse logic).
2.4 CONNECTION PROCEDURE
For the connection procedures which follow refer to
Figures 1 and 2.
2.4.1 - Input power
Use a screwdriver to remove cable knock-outs for the
installation of cabling to the MST-1.
2.4.1.1 - 115 VAC
Make certain that the line voltage selector switch is set
to 115 VAC
. Connect the power cable to terminals 3 and 4
on the main (bottom) board.
OFF
ON
Fahrenheit
Settings locked
Timer override active
Not used
Celsius
Setting unlocked
Timer override non active
Not used
Do not apply power to the MST-1 until all connections
have been completed!
OFF ON
CHAPTER 2 - INSTALLATION
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