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General Description
The DQ15D digital temperature
control is a programmable and
microprocessor-based controller
designed to operate two relays for
temperature control.
Features
The temperature sensor (RTD or
thermocouple) sends a signal to the
DQ15D to compare to a value
preset by the user as a Set Point
(SP). Set Points LEDs are
on the front panel.
SP2
• In heating mode if the sensor
signal is lower than the
Point value, DQ15D energizes the
relay and its isolated contacts
SP1
close.
• In cooling mode if the sensor
signal is higher than the
Point value, DQ15D energizes
relay and its isolated contacts close.
• DQ15D has an optional Alarm
Condition feature. After you
activate this feature, when the
sensor signal exceeds the Alarm Set
Point, DQ15D goes into an alarm
condition. In an Alarm Condition,
both relays de-energize and the
screen displays a flashing
• The power save, night setback
feature permits the use of a second
heating Set Point to conserve
energy when required.
DQ15D User Interface - SET,
Decrease
and Increase
M-34-01
Revision - Date: 01 - 04/23/08
Installation
DQ15D is for indoor use only.
1
damage upon receipt. Shipping
damage claims must be made
through the freight carrier.
2
DQ15D for internal damage.
3
Insert a flathead screwdriver under
the collar on alternating sides while
and
SP1
sliding the collar back.
4
3.625" x 3.625" (92 mm x 92 mm) in
Set
SP1
the desired mounting panel location.
5
from the three (3) knockouts on the
rear cover or enclosure side panels
that offers the most convenient
Set
SP2
routing for external wiring.
SP2
Avoid damaging DQ15D components.
Remove rear cover before removing
knockouts with a hammer/punch.
( I n s tallation continued on page 6)
.
AAA
DQ15D Dimensions and Installation
Keys
General Description
Unpack and inspect DQ15D for
Remove rear cover and inspect
Remove the Retaining Collar.
Cut a 1 /4 DIN finished opening:
Select one or more knock-outs
Caution
5
DQ15D Manual
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