Installation Instructions

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Document No. 550-165

October 26, 2016

LCM-OAVS Room Pressurization Slow

Actuation

Item No. 550-165. Rev. BA Page 1 of 11

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

Control Applications

2922, 2923, 2924, 2928, 2929, 2930

Product Description

These instructions explain how to field install or

replace the Laboratory Controller Module LCM.

This LCM-OAVS VAV Room Pressurization with HW

Reheat and Damper Actuation — One Exhaust, One

Supply features VAV control of a laboratory room

with one supply duct, one exhaust duct, and up to

six Fume Hoods. It uses fast-acting electronic

actuators (shipped separately) to control the supply

and exhaust.

The LCM can operate stand-alone, with a field

panel, or as part of a network.

Product Numbers

LCM-OAVS Slow Actuation Venturi

Supply/Venturi Exhaust Applications

2922 (RTS) 2928 (BTU)

550-767DN

LCM-OAVS Slow Actuation Damper

Supply/Damper Exhaust Applications

2923 (RTS) 2929 (BTU)

550-767FN

LCM-OAVS Slow Actuation Damper

Supply/Venturi Exhaust Applications

2924 (RTS) 2930 (BTU)

550-767GN

Offboard Air Module – two required,

order separately

550-819B

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.

Summary of content (11 pages)

PAGE 1
Installation Instructions Document No. 550-165 October 26, 2016 LCM-OAVS Room Pressurization Slow Actuation Generic Controller I/O Layout. See Wiring Diagram for application specific details. Control Applications 2922, 2923, 2924, 2928, 2929, 2930 Product Description These instructions explain how to field install or replace the Laboratory Controller Module LCM.
PAGE 2
Document No. 550-165 Installation Instructions October 26, 2016 Accessories Low cost temporary temperature 540-658P25 sensor, 10K Ω thermistor with RJ11 (1” long), that enables space control if the permanent room or duct sensor is not installed (pack of 25). 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.
PAGE 3
Document No. 550-165 Installation Instructions October 26, 2016 CAUTION DO Wiring – Each DO provides a Normally Open (NO) terminal and a Common (C) terminal. To reduce noise and the potential for ground loops, both connections of a 24 Vac load must be wired directly to the DO terminal on the controller board. Dimensions. CAUTION The fume hood flow module, the FHC, any 0 to 10 Vdc actuator used by the LCM, and the LCM cannot share a single power trunk.
PAGE 4
Document No. 550-165 Installation Instructions October 26, 2016 NOTE: The controller’s DOs control 24 Vac loads only. The maximum rating is 12 VA for each DO. An external interposing relay is required for any of the following: • VA requirements higher than the maximum • 110 or 220 Vac requirements • DC power requirements • Separate transformers used to power the load (for example, part number 540-147, Terminal Equipment Controller Relay Module) Wiring for AI with a 4 to 20 mA Sensor.
PAGE 5
Document No. 550-165 Installation Instructions October 26, 2016 BACnet LCM-OAVS Slow Actuation Venturi Supply/Venturi Exhaust – Application 2922 Wiring Diagram. Siemens Industry, Inc.
PAGE 6
Document No. 550-165 Installation Instructions October 26, 2016 BACnet LCM-OAVS Slow Actuation Venturi Supply/Venturi Exhaust with BTU Compensation – Application 2928 Wiring Diagram. Page 6 of 11 Siemens Industry, Inc.
PAGE 7
Document No. 550-165 Installation Instructions October 26, 2016 BACnet LCM-OAVS Slow Actuation Damper Supply/Damper Exhaust – Application 2923 Wiring Diagram. Siemens Industry, Inc.
PAGE 8
Document No. 550-165 Installation Instructions October 26, 2016 BACnet LCM-OAVS Slow Actuation Damper Supply/Damper Exhaust with BTU Compensation – Application 2929 Wiring Diagram. Page 8 of 11 Siemens Industry, Inc.
PAGE 9
Document No. 550-165 Installation Instructions October 26, 2016 BACnet LCM-OAVS Slow Actuation Damper Supply/Venturi Exhaust – Application 2924 Wiring Diagram. Siemens Industry, Inc.
PAGE 10
Document No. 550-165 Installation Instructions October 26, 2016 BACnet LCM-OAVS Slow Actuation Damper Supply/Venturi Exhaust with BTU Compensation - Application 2930 Wiring Diagram. Page 10 of 11 Siemens Industry, Inc.
PAGE 11
Document No. 550-165 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.