SmartPlate EV Installation, Operation and Maintenance Manual
CHAPTER 4
– ADJUSTMENT
OMM-0147_C
• SP-102 • 3/2/2021 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page
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of
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SETPOINT TEMPERATURE ADJUSTMENT Instructions
Run/Hold
button
Not used for ECS II application
Page
button
Press
Page
button to select a new list of
parameters
Scroll
button
Press
Scroll
button to select a new parameter in a
list
Down
button
Press to decrease the value shown in the lower
display
Up
button
Press to increase the value shown in the lower
display
4.3.2
Over-Temperature Alarm Limit Adjustment
The over-temperature alarm limit setting is adjusted using the controls and display on the Over-
Temperature switch. The alarm limit is normally set 20°F above the specified setpoint. The
controls and display are illustrated and described below. If necessary, over-temperature alarm
limit adjustment is accomplished as follows:
OVER-TEMPERATURE ALARM LIMIT ADJUSTMENT
Instructions
1. Set the Enable/Disable switch on the Control Box to the
ON
position.
2. Press the
SET
button on the Over-Temperature switch.
SP
will appear in the display.
3. Press the
SET
button again. The current over-temperature limit value stored in memory will
be displayed. (default = 20°F above setpoint specified on Sales Order, or 160°F if no
setpoint is specified).
4. If the display does not show the desired over-
temperature alarm setting, press the ▲ or ▼
arrow button to change the display to the desired temperature setting.
5. Once the desired over-temperature alarm setting is displayed, press the
SET
button to
store the setting in memory.
6. To calibrate the offset (P1), press and hold the
SET
button for 8 seconds on the Over-
Temperature switch. Access code value 0 is shown in the display. The switch comes from
the factory with the code set at 0. AERCO recommends that you do not change this code.
7. Press the
SET
button again to enter the code. The first parameter label (SP) will appear in
the display.
8.
Using the ▲ and ▼ arrow keys, select parameter P1.
9. Press
SET
to view the value stored in memory.
10. If the desired value is not displayed, modify the se
tting using the ▲ and ▼ arrow keys. The
value can be changed from -10° to +10° offset. Press
SET
to enter the value and exit to the
text parameter.