Dickson TH8P0, User Manual

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Dickson TH8P Manual V14 052418 5
POWER
POWER POWER
POWER
The TH8 operates on AC power with an optional 4 AA battery backup. Depending on chart
rotation selected and model; battery backup will last
TH8P
TH8P TH8P TH8P2/3/5 2/3/5 2/3/5 2/3/5
24 Hour Chart Rotation = 1 Day Backup
7 Day Chart Rotation = 2 Day Backup
31 Day Chart Rotation = 1 Week Backup
Note: Alarm and relays will not operate under battery only power.
TH
TH TH TH8 8 8 8P P P P0 0 0 0
At 70F
24 Hour Chart Rotation = 1 Month
7 Day Chart Rotation = 6 Months
At 32F
24 Hour Chart Rotation = 3 Weeks
7 Day Chart Rotation = 4 Months
Note: (Unit should not be placed in an environment below 32F)
LED Indicators
LED Indicators LED Indicators LED Indicators
• AC Power with Battery Backup - Solid Green
• AC Power with Low Battery or No Battery - Blinks Red
• Battery Only - Blinks Green
• Battery Only (Low Battery) - Solid Red
Note: TH8P0 operates on battery only and will blink one time every minute to conserve
battery life.
PEN PEN PEN PEN HOME HOME HOME HOME ADJUST ADJUST ADJUST ADJUST
If over time the pen location does not match the display, you may need to adjust the pen location
on the chart. A Pen Home Adjustment will not affect calibration of the sensor, but rather corrects
for the natural drift that occurs with mechanical moving parts over time.
1. While the unit is on, press and hold both Pen Home Pen Home Pen Home Pen Home and On/Off On/Off On/Off On/Off buttons until the LED is
solid green. Release the Pen Pen Pen Pen Home Home Home Home and On/Off On/Off On/Off On/Off buttons. The LED will flash amber and
green for one second then the LED will turn off.
Note:
Note: Note: Note: Press Pen Home Pen Home Pen Home Pen Home first so the unit will not turn off
2. Both pens will move to the outer edge of the chart, and then the shorter red
red red
red pen will
move to the outer chart ring (maximum temperature/RH line).
3. If the red pen tip does not line up with the outer chart ring line, use the Adjust
Adjust Adjust
Adjust----Up
Up Up
Up and
Adjust Adjust Adjust Adjust---- Down Down Down Down buttons (on the back of the unit) to move the red pen so that the pen tip is
on top of the outer chart ring.
4. Once the shorter red pen is set, press Pen Home Pen Home Pen Home Pen Home to switch pen positions moving the
longer blue pen to the out chart ring line.
5. If the blue pen tip does not line up with the outer chart ring line, use the Adjust
Adjust Adjust
Adjust----Up
Up Up
Up and
Adjust
Adjust Adjust
Adjust----Down
Down Down
Down buttons to move the blue pen so that the pen tip is on top of the outer ring
line.
6. Once the blue pen is set, pressing the Pen Home Pen Home Pen Home Pen Home button will move the longer blue pen to
the outer edge of the chart and the shorter red pen will move to the outer chart ring line.