Installation Instructions
Document No. 540-1024
Installation Instructions
October 26, 2016
Page 2 of 5 Siemens Industry, Inc.
Expected Installation Time
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.
Required Tools and Materials
Small flat-blade screwdriver (1/8-inch blade
width)
Cabling and connectors
Cordless drill/driver set
Prerequisites
Wiring conforms to NEC and local codes and
regulations. For further information see the
Wiring Guidelines Manual
.
Room temperature sensor installed (optional).
24 Vac Class 2 power available.
Supply power to the unit is OFF.
Any application specific hardware or devices
installed.
NOTE:
If the controller is being installed on a
box with 1 or more stages of electric
heat, the 550-809 MOV with pre-
terminated spade connectors must be
installed across the manufacturer-
supplied 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).
Installation Instructions
NOTE:
All wiring must conform to
national and local codes and
regulations (NEC, CE, etc.).
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.
4. Connect the FLN.
5. Connect the point wiring (see
Wiring Diagram
s).
6. Plug the room temperature sensor cable into the
RTS port.
7. Connect the power trunk. DO NOT apply power
to the controller without first consulting the
specialist.
NOTE:
As a standard grounding procedure,
ensure that a ground wire is connected
directly from neutral of the 24Vac
secondary (the side that connects to
the "C" terminal of the TEC) to earth.
The installation is complete.