Relay Control Set Points; View/Change Set Points; Sp1 - Heat Set Point; Sp2 - Cool Set Point - Process Technology DQ15D Installation, Operation And Calibration Manual

Relay Control Set Points

Relay Control Set Points
Before operation, you must program
Set Points or temperature limits.
When DQ15D reaches the Set Point
it will energize one or both relays.
Heat Set Point for normal
•
SP1
Heating Mode operation. Controls
SP1 relay.
Cool Set Point for normal
•
SP2
Cooling Mode operation. Controls
SP2 relay.
Power Save Set Point for a
•
P
second heating Set Point lower
than SP1 Heat Set Point. Optional;
you must enable Power Save
feature. Controls SP1 relay.
Alarm Set Point to establish an
•
A
Alarm Condition if temperature
reaches the Alarm Set Point
(higher than SP1 Set Point). The
screen displays a flashing AAA
in an Alarm Condition. Optional;
you must enable Alarm feature.
Controls SP1 and SP2 relays.
Note: The units displayed, °C, °F, Hz,
volts, mA or ohms are established
during the setup of the control.
Values for Set Points can range from
-40 to +999 (DQ15D numeric range).
DQ15D User Interface - SET,
Decrease and Increase
M-34-01
Revision - Date: 01 - 04/23/08

View/Change Set Points

The screen normally displays the
actual process temperature.

SP1 - Heat Set Point

To view the
1
press
seconds, the letter H and a decimal
point followed by the numeric
value display. (After seven seconds
the display returns to normal.)
To alter the Set Point value,
2
press
SET
displays (value will flash).
Once the value flashes, use
3
or to change the value.
Within 5 seconds after changing
4
the value, press
the new value into memory.
Note - If you don't press
seconds of changing the value, the
new value will be lost and the Set
Point value will revert to its previous
setting.

SP2 - Cool Set Point

To view the
1
value, press
For seven seconds, the letter C
and a decimal point followed by
the numeric
(After seven seconds the display
returns to normal.)
To alter the Set Point value,
2
press
SET
still displays (value will flash).
Once the value flashes, use
3
or to change the value.
Within 5 seconds after changing
4
the value, press
lock the new value into memory.
Keys
8
SP1 SET POINT
once and release. For seven
while the Set Point value
again to lock
SET
SET
SP2 SET POINT
twice and release.
value display.
SP2
while the Set Point value
once more to
SET
value,
SP1
within 5
DQ15D Manual