Table of Contents
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Document contents
Important notes
Field of use
Intended use
Electrical installation
Wiring
Commissioning
Operation
Faults
Maintenance
Disposal
Siemens Building Technologies
HVAC Products
1
Overview
1.1 Introduction
This document describes how to commission and parameterize the central communica-
tion unit OZW775 Version 2.0 (V2.0).
Only authorized and trained technical persons may commission and parameterized
the central communication unit OZW775.
The plant operating software ACS7... Version 5.02 (V5.02 or higher) is necessary for
commissioning and parameterization; see data sheet N5640.
This symbol denotes special safety notes and warnings in this technical documentation
for the central communication unit OZW775. Ignoring these notes may result in physical
injury and/or considerable damages.
Use Synco products only to control and monitor heating, ventilation, air conditioning,
and chilled water plants.
Trouble-free and safe product operation presupposes transport, storage, mounting,
installation, and commissioning as intended as well as careful operation.
Fuses, switches, wiring and grounding must comply with local safety regulations for
electrical installations.
When wiring the system, strictly segregate the AC 230 V section from the AC 24 V
safety extra-low voltage (SELV) section to protect against electric shock hazard!
Only qualified persons trained by Siemens Building Technologies may commission
Synco products.
Only persons trained and instructed on potential risks by Siemens Building
Technologies or its delegates may operate Synco products.
Contact service if the system is faulty and no trained person is available to diagnose
and resolve the fault.
Only authorized staff may diagnose and correct faults and recommission the plant. This
rule also applies to work within the panel (e.g. inspection, exchange fuses).
Maintenance of Synco products is restricted to periodic cleaning only. We recommend
removing dust and dirt from system components installed in the control panels during
standard service.
These devices contain electrical and electronic components; do not dispose of them in
household garbage; see information in data sheet 5663.
Commissioning instructions OZW775 V2.01
Overview
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CE1C5663en
22.06.2012
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