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PS-ADPSXXXXM Series
Air Differential Pressure Switch, Metal Enclosure
Figure 1: PS-ADPSXXXXM Series Air Differential Pressure Switches
Product Description
This document describes the hardware installation procedures for the
PS-ADPSXXXXM Series Air Differential Pressure Switches.
These devices are general-purpose airflow-proving switches designed
for HVAC and energy management applications. It may be used to
sense positive, negative, or differential air pressure.
The PS-ADPSXXXXM Series plated housing contains a diaphragm, a
calibration spring and a snap-acting SPDT switch. The enclosure
cover, guards against accidental contact with the live switch terminal
screws and the set point adjusting screw.
General Installation Requirements
For proper installation and subsequent operation of each device, pay
special attention to the following recommendations:
-
Upon unpacking the product, inspect the contents of the carton for
shipping damages. Do not install damaged device.
-
Avoid areas where corroding, deteriorating or explosive vapors,
fumes or gases may be present.
-
Ensure that all equipment is installed according to local, regional,
and national regulations.
H a r d w a r e I n s t a l l a t i o n G u i d e
Personal injury or loss of life may occur if you do not follow a
procedure as specified.
Equipment damage or loss of data may occur if you do not
follow a procedure as specified.
Take reasonable precautions to prevent electrostatic
discharges to the controller when installing, servicing or
operating the controller. Discharge accumulated static
electricity by touching one's hand to a well-grounded object
before working with the controller.
Mounting Instructions
Select a mounting location which is free from vibration. The PS-
ADPSXXXXM Series pressure switch MUST be mounted with the
diaphragm in any vertical plane in order to obtain the lowest specified
operating set point. Avoid mounting with the sample line connections in
the "UP" position. Surface mount via the two 3/16" diameter holes in
the integral mounting bracket. The mounting holes are 3 7/8" apart.
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Summary of Contents for Distech Controls PS-ADPS M Series
- Page 1 H a r d w a r e I n s t a l l a t i o n G u i d e PS-ADPSXXXXM Series Air Differential Pressure Switch, Metal Enclosure Figure 1: PS-ADPSXXXXM Series Air Differential Pressure Switches Personal injury or loss of life may occur if you do not follow a procedure as specified.
- Page 2 Negative Pressure Only: Field Adjustment Connect the sample line to inlet L; inlet H remains open to the atmosphere. For models PS-ADPS12WCMAX / MAB Two Negative Samples: The adjustment range of these models is 0.05 ±.02" w.c. to 12.0" w.c. Connect the higher negative sample to inlet L.
- Page 3 Dimensions Figure 3. PS-ADPSXXXXM Series Air Differential Pressure Switch Dimensions shown in inches (millimeters).
- Page 4 ©, Distech Controls Inc., 2014. All rights reserved. While all efforts have been made to verify the accuracy of information in this manual, Distech Controls is not responsible for damages or claims arising from the use of this manual. Persons using this manual are assumed to be trained HVAC specialist / installers and are responsible for using the correct wiring procedures and maintaining safe working conditions with fail-safe environments.
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