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OF

 12     PCS300 S

ERIES

 I

NSTALLATION

 G

UIDE

650-321-017

08/16

©2014 Phoenix Controls   

Specifications subject to change without notice.  Rev. C

2.1  

Mounting Instructions 

2.1.1  Junction Box

DO NOT CUT OUT THE ENTIRE JUNCTION BOX 
DIMENSION. 

The base plate will not fully cover the opening.

1.

Pull the wire through the wall and out of the junction box, 
leaving about six inches free. 

2.

Pull the wire through the hole in the base plate. 

3.

Secure the base to the box using the #6-32 x 1/2" mounting 
screws provided. 

4.

Terminate the unit according to the Termination section. 

5.

Attach Cover by latching it to the top of the base, rotating the 
cover down and snapping it into place. 

6.

Secure the cover by backing out the lock-down screws using a 
1/16" Allen wrench until they are flush with the bottom of the 
cover. 

2.1.2  Drywall Installation

1.

Place the base plate against the wall where you want to mount 
the sensor. 

2.

Using a pencil mark out the two mounting holes and the area 
where the wires will come through the wall. 

3.

Drill two 3/16" holes in the center of each marked mounting 
hole. Insert a drywall anchor into each hole. 

4.

Drill one 1/2" hole in the middle of the marked wiring area.

5.

Pull the wire through the wall and out of the 1/2" hole, leaving 
about six inches free. 

6.

Pull the wire through the hole in the base plate. 

7.

Secure the base to the drywall anchors using the #6 x 1 inch 
mounting screws provided. 

8.

Terminate the unit according to the 

Termination

 section. 

9.

Attach cover by latching it to the top of the base, rotating the 
cover down and snapping it into place. 

10.  Secure the cover by backing out the lock-down screws using a 

1/16" Allen wrench until they are flush with the bottom of the 
cover. 

WARNING

Take reasonable precautions to prevent electrostatic 
discharges to each sensor when installing, servicing 
or operating the controller. Discharge accumulated 
static electricity by touching one's hand to a securely 
grounded object before working with each 
controller.

NOTE

Mounting hardware is provided for both junction box 
and drywall installation.

NOTE

In wall-mount applications, the wall temperature and 
the temperature of the air within the wall cavity can 
cause erroneous readings. The mixing of room air and 
air from within the wall cavity can lead to 
condensation, erroneous readings and premature 
failure of the sensor. To prevent these conditions, do 
the following for the mounting method used:
• Junction box - seal the conduit leading to the 

electrical box 

• Drywall - ensure that the foam insulating pad on 

the back of the enclosure covers the hole in the 
wall.

Summary of Contents for PCS300-x

Page 1: ...g recommendations It is recommended that the sensor s be kept at room temperature for at least 24 hours before installation to allow any condensation that may have accumulated due to low temperature d...

Page 2: ...wire through the wall and out of the 1 2 hole leaving about six inches free 6 Pull the wire through the hole in the base plate 7 Secure the base to the drywall anchors using the 6 x 1 inch mounting sc...

Page 3: ...s are possible when AC power wiring is present in the same conduit as the signal lines If you are experiencing any of these difficulties please contact your Phoenix Controls Representative Local and n...

Page 4: ...Terminal Applicable to Option Description OVR1 and OVR2 PCS300 x DOS only O Occupancy override status N O contact output 300 mA 24 Vdc SET1 and SET2 PCS300 x DOS only S Temperature setpoint 0 20 K ou...

Page 5: ...300 mA 30 Vdc SET1 and SET2 PCS300 x DOS only S Temperature setpoint 0 20 K output SEN1 and SEN2 PCS300 x and PCS300 x DOS Temperature sensor 10K 2 thermistor output EXT OVR PCS300 x DOS only D Exter...

Page 6: ...default display shows current temperature toggled every 5 seconds with space humidity When the setpoint slider is moved enough to change the setpoint by 0 5 degrees the setpoint will be displayed as...

Page 7: ...to the first closing of the DO EXT OVR grounded the unit will behave as described in Local Occupancy Override above 2 4 Optional Technicians Adjustments This section details optional adjustments a tec...

Page 8: ...isplay toggles through selections 3 Even when the temperature setpoint is not displayed the terminations SET1 and SET2 are active sending a 0 to 20 K signal out PCS300 x DOS Adjustment Parameters Para...

Page 9: ...emperature Determine that the temperature sensor s wires are connected to the correct controller input terminals and are not loose Check the wires at the sensor and controller for proper connections D...

Page 10: ...Format Default Temperature and Humidity toggled every 5 seconds Temp Setpoint only when slider moved Temp Setpoint Slide pot Cool Warm Down Up Configurable at valve UI Absolute 32 122 F 0 50 C Relativ...

Page 11: ...nction entirely on their own and are not a part of another system or piece of equipment For this reason Phoenix Controls products are exempt from the WEEE Directive Nevertheless Phoenix Controls produ...

Page 12: ...anded 4C Round No Signal 22 Belden 8444 Manhattan M13304 1 White 2 Green 3 Black 4 Red Must be stranded 5C Round No Signal 22 Belden 8445 Manhattan M13305 1 White 2 Brown 3 Black 4 Red 5 Green Must be...

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