Installation Instructions

ManualsBrandsSiemens ManualsBuilding automationTEC Dual Duct - Two Air Velocity Sensors Controller, Installation Instructions

Document No. 540-1024

October 26, 2016

TEC Heat Pump Multi-Stage Controller

Item No. 540-1024. Rev. DA Page 1 of 5

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

Control Applications

2273 and 2274

Product Description

These instructions explain how to field install or

replace a Siemens TEC Heat Pump Controller Multi-

Stage.

Product Numbers

Siemens TEC Heat Pump

Controller Multi-Stage

540-505N

Shipping carton includes a controller assembly, a

mounting rail, and two self-tapping/drilling screws.

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.

Accessories

Low cost temporary temperature

sensor, 10K thermistor with RJ11,

that enables space control if the

permanent room or duct sensor is

not installed (pack of 25).

540-658P25

Duct Temperature Sensor, NTC

100K Ω Type 2, 3" Probe for

Commissioning Only

QAM1035.008P50

Warning/Caution Notation

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.

Summary of content (5 pages)

PAGE 1
Installation Instructions Document No. 540-1024 October 26, 2016 TEC Heat Pump Multi-Stage Controller Generic Controller I/O Layout. See Wiring Diagram for application specific details. Control Applications Accessories 2273 and 2274 Product Description These instructions explain how to field install or replace a Siemens TEC Heat Pump Controller MultiStage.
PAGE 2
Document No. 540-1024 Installation Instructions October 26, 2016 Expected Installation Time New controller installation 10 Minutes Replacement (old controller has removable terminal blocks) 6 Minutes Replacement (old controller does not 16 Minutes have removable terminal blocks) NOTE: You may require additional time for database work at the field panel.
PAGE 3
Document No. 540-1024 Installation Instructions October 26, 2016 NOTE: When wiring any actuator that uses a 0 to 10V control signal and ties AC neutral to DC common, an additional wire must connect the actuator AC neutral to the DC common of the PTEC/TEC AO being used to control the actuator. Wiring Diagram CAUTION The controller’s DOs control 24 Vac loads only. The maximum rating is 12 VA for each DO.
PAGE 4
Document No. 540-1024 Installation Instructions October 26, 2016 Application 2273 - Multiple Compressor Heat Pump with Reversing Valve Control and Mixed Air Control. Page 4 of 5 Application 2274 - Multiple Heating and Cooling Heat Pump without Reversing Valve Control and with Mixed Air Control. Siemens Industry, Inc.
PAGE 5
Document No. 540-1024 Installation Instructions October 26, 2016 Cyber security disclaimer Products, solutions and services from Siemens include security functions to ensure the secure operation of building automation and control, fire safety, security management, and physical security systems. The security functions on these products, solutions and services are important components of a comprehensive security concept.