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wavin WTC-3 User Manual

wavin WTC-3
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Intelligent Solutions for Heating & Cooling Projects
June 2010 version 2.0
Wavin Tempower Controls WTC-3 & DRT-200
.
Intelligent Solutions for Heating & Cooling Projects
April 2010 version 2.0
Wavin Tempower Control WTC-3 & DRT-200
FOR RESIDENTIAL,
COMMERCIAL AND
INDUSTRIAL APPLICATIONS
.
FOR RESIDENTIAL, COMMERCIAL
AND INDUSTRIAL APPLICATIONS
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wavin WTC-3 Specifications

General IconGeneral
Brandwavin
ModelWTC-3
CategoryControl Systems
LanguageEnglish

Summary

About this manual

Audience

Document serves as planning assistance for specialist engineers.

Scope

Contains technical information about Wavin Heating and Cooling systems.

Safety

General recommendations

Installation by qualified engineer, observe standards and regulations.

The Control System

Overview of the system

System consists of base unit, thermostats, sensors, actuators.

Components

Lists WTC-3 Base Unit, DRT-200, sensors, actuators.

DRT-200 digital room thermostat

Introduction

Aesthetically pleasing digital room thermostat for maximum comfort.

General description

Touch surface, digital construction, no moving parts, LED indicators.

How to use the thermostat

Steps for setting mode and changing settings.

Functions

ON/OFF function

Turns heating/cooling off; actuator in closed position.

Temperature setting

Adjusts temperature by touch buttons or finger movement.

Comfort/economy mode

Heating/cooling mode changeover

WTC-3 Base Unit

General description

Controls up to 7 thermostats and 21 actuators for heating/cooling systems.

WTC-3 Major features

Lists key features like thermostat control, humidity monitoring, programs.

Placing and connecting power

Mounting the WTC-3 unit and connecting power supply.

Default settings WTC-3

Water temperature regulator

Default settings for cooling/heating set points and changeover time.

DRT-200 room thermostat

Default settings for cooling/heating reference, economy set point, hysteresis.

Master thermostat configuration

Configuration for master thermostat selection.

Cooling mode Enable/Disable

Default settings for output enable/disable.

Default Output configuration

Default assignments for outputs to actuators.

Control 7 room thermostats

Analogue room thermostat

Wiring and connection for analogue thermostats.

Wavin DRT-200 digital room thermostat

Dew point

Monitoring dew point via relative humidity sensor of room thermostat

How the DRT-200's built-in sensor monitors humidity.

Connect dew point sensor to DRT-200 room thermostat

Connecting an override dew point sensor.

Connect actuators

Changeover heating and cooling mode

Motorized zone valves control

Energy saving mode/economy mode

Components control

Mixing valve control

Regulating mixing valves for inlet water temperature control.

Room humidity control via dehumidifier

Pump control (speed control pump)

Variable speed pump control

Boiler/chiller control

Operation with optional timer for Comfort/Economy mode

Built in programs

Program 1

Configuration for 7 analogue thermostats, sensors, and mixing valve.

Program 2

Configuration for 6 analogue thermostats, sensors, drying demand, and mixing valve.

Program 3

Configuration for 7 DRT-200 thermostats, sensors, mixing, pump, dehumidifier.

Program 1

Configuration switch

Settings for configuration switches.

Program 2

Configuration switch

Settings for configuration switches.

Program 3

Configuration switch

Settings for configuration switches.

Connect to Building Management System (BMS)

Communication

Communication interface, protocol, and parameters.

MODBUS commands

List of available MODBUS commands and their codes.

RJ45 plug wiring

Pin configuration for RJ45 connector.

Register (only readable)

Bit variables (only readable)

Readable, writeable bit variables

Readable, writeable register variables

WTC-3 Configuration Program

General information

System requirements and licensing for the configuration program.

Installation

Instructions on how to install the configuration program.

Other settings

Information on USB port usage and VCP drivers.

Connect WTC-3 with laptop computer

Configuration program

Steps to connect the WTC-3 to a laptop for configuration.

Connect the communication cable

Details on connecting the USB and RS ports.

Set the address

Setting the address for program and WTC-3.

Start the PC software

Overview of major functions and data reading possibilities.

Troubleshooting

Technical Specifications

WTC-3

Technical specifications for the WTC-3 unit.

DRT-200

Actuators

Pipe Temperature Sensor

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