PTM200 - PTM1000 USER GUIDE
Page 6 - Rev D
3.
Controls
3.1
Controller
(
1) Digital Controller and Display. The controller has two temperature sensors.
The thermal mass fluid temperature, and dewpoint temperature. The default
setting for the controller display is the current dewpoint. When the SET button
is depressed, the unit displays the dryer dewpoint setting. The factory dewpoint
setting is 39
°
F. It is adjustable from 36
°
F to 50
°
F in 1
°
steps or 1
°
C to 10
°
C in
1/2
°
C steps. (
°
C) LED indicates the display is in Celsius. (
°
F) LED- indicates
the temperature display in Fahrenheit. Dewpoint LED – indicates dewpoint
temperature being measured by the system. SET POINT LED – INDICATES that
the display is in programming mode during which the set point can be changed
and stored. The dewpoint display also displays diagnostic alarms / shutdown
codes if they occur (See Diagnostic Codes).
(2) ON/OFF & RESET button. When LED is on, this indicates the unit is
operating. This button is also used to reset alarms.
(3)
Up and Down Arrows. These are used to adjust the set point values.
The set point will change once for each time pressed. If the button is pressed
and held, the set point will change one step per second. These buttons are also
used to reset the maintenance “Sr” indicator when pressed simultaneously.
(4) Set Button. Toggles between Dewpoint Display, Set Point mode and drain
time mode (no LED). During the Set Point Display mode, you can use the up/
down arrows to Raise or Lower the dewpoint setting which is then stored in non-
volatile memory when the mode is set back to dewpoint. When the SET button
is depressed twice, it will display a number between 1 and 60 which represent
minutes between the drain solenoid energizing.
If no keys are pressed within 15 seconds, the mode automatically reverts back
to Dewpoint. This button is also used to select the temperature scale that the
unit will operate in by pressing and holding for 5 seconds. (The unit will toggle
between ºF and ºC)
Summary of Contents for PTM Series
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