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CIAT FLOWAY ACCESS User Manual

CIAT FLOWAY ACCESS
60 pages
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FLOWAY ACCESS
01 - 2021
EN7546666-04
Control manual
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CIAT FLOWAY ACCESS Specifications

General IconGeneral
BrandCIAT
ModelFLOWAY ACCESS
CategoryAir Handlers
LanguageEnglish

Summary

1 - FOREWORD

2 - THE CONTROL PLC

2.1 - Introduction

Overview of the PLC's role in controlling the air handling unit's components.

2.2 - Inputs/outputs

Description of the PLC's analog and on/off inputs and outputs with connector details.

2.3 - Terminal

Information on the HMI terminal for unit operation, parameter modification, and status viewing.

2.4 - Touchscreen terminal

Details on the 4.3-inch touchscreen terminal for unit operation and status monitoring.

2.4.4 - Use

Instructions on how to operate the touchscreen terminal for unit startup, shutdown, and parameter access.

Access level

Explanation of how to access different operational levels using passwords on the terminal.

Curves

Information on viewing and configuring parameter trend curves displayed on the terminal.

3 - FEATURES

3.1 - Management of on and off modes

How to control the unit's start-up, shutdown, and remote operation modes.

3.4 - Managing the filters

Procedures for managing intake and exhaust filters, including fault detection for clogging.

3.5 - Temperature control

Explanation of temperature control modes, setpoints, and PID parameters for heating and cooling.

3.6 - Display Fan Control

Details on controlling intake and exhaust EC fans for constant flow rate or duct pressure.

3.7 - Energy recovery

Explanation of the fixed-speed wheel energy recovery unit's operation and conditions.

3.8 - Coil

Description of the unit's coil options (hydraulic, direct expansion, electric) and their configurations.

3.9 - Free Cooling

Explanation of the free cooling mode, its conditions, and operational parameters.

3.10 - Night cooling

How the unit uses night cooling to cool the building with colder night air.

3.11 - CO2 air quality

Functionality for monitoring and controlling indoor air quality based on CO2 sensor readings.

3.12 - Fire protection

Parameters and modes for fire detection and the unit's response to fire safety events.

3.13 - Remote control in Th-Tune room

How to use the Th-Tune room thermostat for remote control and status monitoring.

3.14 - Temperature setpoint compensation

Function to adjust temperature setpoints based on outdoor temperature using compensation curves.

3.15 - Downgraded fresh air flow rate

Limiting fresh air flow rate based on low outdoor temperatures to optimize operation.

3.16 - Time management

Setting and management of date, time, and fault occurrence times using PLC parameters.

3.17 - Scheduling

Programming the unit's operating modes (e.g., setpoints, frost protection) based on weekly and annual schedules.

3.18 - Access level

Description of the three access levels (customer, installer, manufacturer) for parameter modification.

4 - MANAGING A NETWORK OF CONTROLLERS AND HMI TERMINALS

4.1 - One controller and one terminal

Procedure for addressing a single controller and terminal for basic network setup.

4.2 - Several controllers and terminals

Connecting multiple controllers and terminals for expanded network capabilities.

4.3 - Electrical connections for the pLAN (local area network)

Details on the physical wiring and cable requirements for the pLAN network.

4.4 - Addressing the pLAN

Procedures for assigning unique addresses to controllers and terminals on the pLAN.

4.4.2 - Modifying the HMI terminal addresses

Steps to change the address of an HMI terminal connected to a controller.

4.4.3 - Modifying the controller addresses

Methods for changing the physical address of a controller on the pLAN network.

4.4.4 - Assigning private and shared HMI terminals

Configuring HMI terminals as private or shared for network access.

4.4.5 - Checking the pLAN address

How to display and verify network addresses to diagnose connection issues.

4.4.6 - Access to the different controllers on a network from a shared HMI terminal

Switching between controllers on a network using a shared HMI terminal.

5 - ENERGY METER CONNECTION AND ADDRESSING

5.1 - Meter addressing

Steps to configure the energy meter's address, speed, and parity settings.

5.2 - Associated parameters

List and description of parameters related to the energy meter's readings and status.

6 - CONNECTION TO A CMS

6.1 - Modbus RTU

Configuration details for connecting the unit to a CMS using the Modbus RTU protocol.

6.2 - Modbus TCP/IP and BACnet IP

Setup for Modbus TCP/IP and BACnet IP communication, including network configuration.

6.3 - LON

Guidelines for connecting and configuring the unit using the LON communication protocol.

6.4 - KNX

Instructions for connecting and configuring the unit using the KNX communication protocol.

7 - COMMISSIONING

7.1 - Actions required prior to commissioning

Essential checks on electrical cabling and hydraulic circuits before system start-up.

7.2 - Addressing

Procedure for addressing EC motors on the network, including factory settings and modifications.

7.3 - Test mode

How to use test mode to individually test PLC outputs without fault management.

7.4 - Calibration

Process for calibrating pressure and temperature sensors to correct offsets.

8 - FAULTS

8.1 - Fault type

Distinction between maintenance and danger faults and their impact on unit operation.

8.2 - Fault relays

Description of the fault summary relay and its triggering conditions.

8.3 - Fault memory

How the PLC stores and logs the last 100 faults with date and time.

8.4 - List of faults

A comprehensive list of identified faults and warnings with their corresponding numbers.

9 - PARAMETERS

9.1 - Machine parameters

Parameters related to unit model, sensors, fire detection, and damper configuration.

9.2 - Settings parameters

Parameters for language, date/time, ventilation control, and fan management settings.

9.5 - Communication parameters

Configuration settings for communication protocols like Modbus, LON, KNX, and BACnet.

9.6 - Calibration

Process for calibrating pressure and temperature sensors to correct offsets.

9.7 - Input/Output directions

Configuration of input and output signal directions for various unit functions.

9.8 - Motors

Parameters related to intake and exhaust fan motor settings, information, and configuration.

9.9 - Energy meter

Parameters and readings associated with the unit's energy meter.

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