Siemens BACnet PTEC Dual Duct 2 AVS Installation Instructions Manual

Installation Instructions

Document No. 550-139

October 26, 2016

BACnet PTEC Dual Duct 2 AVS
Controller

Generic Controller I/O Layout. See Wiring Diagram for application specific details.

WARNING

Personal injury/loss of life may
occur if you do not follow the
procedures as specified.

CAUTION

Equipment damage or loss of
data may occur if you do not
follow the procedures as
specified.

Siemens BACnet PTEC Dual Duct
2 AVS Controller

550-497PA

Control Applications

6665 through 6669

Product Description

These instructions explain how to field install or
replace a Siemens BACnet PTEC Dual Duct 2 AVS
Controller.

Warning/Caution Notation

Product Numbers

Shipping carton includes a controller assembly, a
mounting rail, and two self-tapping/drilling screws.

Item No. 550-139. Rev. CA Page 1 of 6

Document No. 550-139

CAUTION

Keep the unit in its static-proof
bag until installation.

Otherwise, you run the risk of
damage to the printed circuit
board from electrostatic
discharge.

Low cost temporary
temperature sensor, 10K

thermistor with RJ11 (1”

long), that enables space
control if the permanent room
or duct sensor is not installed
(pack of 25).

540-658P25

Duct Temperature Sensor,

NTC 10K Ω Type 2, 3" Probe

for Commissioning only

QAM1030.008P50

New controller installation

10 Minutes

Replacement (old controller has
removable terminal blocks)

6 Minutes

Replacement (old controller does
not have removable terminal
blocks)

16 Minutes

NOTE:
You may require additional time for
database work at the field panel.

NOTE:
If the controller is being installed on a
box with 1 or more stages of electric
heat, the 550-809 MOV with pre­terminated spade connectors must be
installed across the manufacturer­supplied airflow switch. MOVs can be
installed at the time the controller is
factory mounted; coordinate with the
box manufacturer prior to order
placement. For field installation, see

Metal Oxide Varistor Kit Installation
Instructions

(540-986).

NOTE:
A low-cost temporary RTS (540­658P25) is available that plugs into the
RTS port on the controller, providing
temperature input and actual space
control until a permanent RTS is
installed.

NOTE:
All wiring must conform to national and
local codes and regulations (NEC, CE,
etc.).

Installation Instructions
October 26, 2016

Accessories

 Room temperature sensor installed (optional).
 24 Vac Class II power available.
 Supply power to the unit is OFF.
 Any application specific hardware or devices

installed.

 Air velocity sensors installed in ducts.

Expected Installation Time

Required Tools and Equipment

 Small flat-blade screwdriver (1/8-inch blade

width)

 Cabling and connectors
 Cordless drill/driver set
 ESD wrist strap

Prerequisites

 Wiring conforms to NEC and local codes and

regulations. For further information see the

Wiring Guidelines Manual

(125-3002).

Page 2 of 6 Siemens Industry, Inc.

Installation Instructions

1. Secure the mounting rail in the controller’s
desired location.

2. Place the ESD wrist strap on your wrist and
attach it to a good earth ground.

3. Remove the controller from the static proof bag
and snap it into place on the mounting rail.