Process Technology DQ15D - Alarm Feature; Calibration

M-34-01-06 3/31/2016 5 DQ15D/T-DQ15D Manual
View/Change Set Points (Continued)
SP2 - Cool Set Point
1 To view the SP2 SET POINT value, press twice
and release. For seven seconds, the letter C and a
decimal point followed by the numeric SP2 value
display. (After seven seconds the display returns
to normal.)
2 To alter the Set Point value, press SET while the
Set Point value still displays (value will flash).
3 Once the value flashes, use or to change the
value.
4 Within 5 seconds after changing the value, press
SET once more to lock the new value into
memory.
P – Power Save Set Point
1 To turn on the Power-Save feature, do one of the
following tasks, never do both:
• either press all three keys ( , SET, and )
simultaneously, or
• install an external switch to close contacts #3
and #4 on the rear terminal strip.
When the control is operating in Power-Save
mode, the display will alternately change be-
tween the process value and three dashes ---.
2 Return to normal SP1 operation with one of the
following tasks:
• either press all three keys ( , SET, and )
simultaneously, or
• switch OFF the remote switch wired to terminals
#3 and #4.
3 To view the P SET POINT value, press once
and release. The control will display the letter P
and a decimal point followed by the numeric P
SET POINT value.
4 To change the Set Point value, press SET while
the P SET POINT value displays (value will flash).
5 Once the value flashes, press or to change
the value.
6 Press SET once to lock the new value into
memory.
Alarm Set Point
Note: This is not a safety device.
1 Enable the Alarm feature. See Configuration
(Setup), F3 Alarm On/ Off Switch for instructions.
2 Press twice and release. The letter A, followed
by a decimal point and the Alarm Set Point value
displays. (After a few seconds the screen returns
to normal.)
3 To change the ALARM SET POINT, press SET
while the alarm Set Point value still displays (value
will flash).
4 When it flashes, use or to change the value,
and press SET to lock the new value into memory.
Calibration
This section includes calibration procedures for 2 & 3
wire RTDs, Resistance, Voltage, Current Input, Fre-
quency, and Thermocouples.
Calibration procedures require the removal of
the rear cover of the control. It also requires that
power is ON, exposing the technician to poten-
tially lethal voltages. Exercise EXTREME CARE
and wear tested electrician’s gloves whenever
power is on.
Les procédures de calibration nécessitent
l'enlèvement du panneau arrière du contrôle.
Ça exige aussi que le courant électrique est
allumé ce qui expose le technicien à des ten-
sions potentiellement létales. Utilisez toujours
un soin extrême et portez des gants certifiés
d'électricien quand le courrant est allumé.