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CLIMAVENETA i-CXW Series User Manual

CLIMAVENETA i-CXW Series
72 pages
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USER AND INSTALLATION MANUAL
EN - CASSETTE FAN COILS
EN) Please carefully read this manual
before operating the appliance.
2019/04
MODELS
a-CXW
i-CXW
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CLIMAVENETA i-CXW Series Specifications

General IconGeneral
BrandCLIMAVENETA
Modeli-CXW Series
CategoryAir Conditioner
LanguageEnglish

Summary

FUNDAMENTAL SAFETY RULES

USING AND KEEPING THE MANUAL

Guidelines for manual usage and reference.

SCOPE

UNIT IDENTIFICATION

Information on how to identify the unit via its rating label.

CONSTRUCTIONAL CHARACTERISTICS

FAN ASSEMBLY (a-CXW models)

Details on the fan motor assembly for a-CXW models.

HEAT EXCHANGER COIL (i-CXW models)

Details on heat exchanger coils for i-CXW models.

ACCESSORIES

METAL INTAKE GRILL

Details on the metal intake grill, Coanda effect, and dimensions.

BUILT-IN POWER BOARD (HB/i-HB)

Information on the HB/i-HB power boards for unit control.

ACCESSORIES

PRIMARY AIR CONNECTION

Details on mixing primary air with recirculated air.

CONTROLS

MTW wall mounted thermostat

Features and functions of the MTW thermostat.

ATW wall mounted thermostat

Features and functions of the ATW thermostat.

CONTROLS

EKW wall mounted thermostat

Features and functions of the EKW thermostat.

iKW wall mounted programmable thermostat with LCD screen

Features of the iKW programmable thermostat with LCD.

AIR FLOW-RATE MANAGEMENT

Air throw diagrams and tables

Illustrates air throw distances based on speed and size.

TECHNICAL SPECIFICATIONS

a-CXW 2-pipe system

Electrical data and performance specs for a-CXW 2-pipe.

TECHNICAL SPECIFICATIONS

a-CXW 4-pipe system

Electrical data and performance specs for a-CXW 4-pipe.

TECHNICAL SPECIFICATIONS

i-CXW 2-pipe system

Electrical data and performance specs for i-CXW 2-pipe.

TECHNICAL SPECIFICATIONS

i-CXW 4-pipe system

Electrical data and performance specs for i-CXW 4-pipe.

WEIGHTS AND DIMENSIONS

APPLIANCE

Dimensions and weights of the appliance.

GENERAL INFORMATION ON RECEIVING THE UNIT

GENERAL WARNINGS

Scope and qualifications

Covers manual scope and required qualifications for work.

GENERAL WARNINGS

For installation:

Warnings and advice for unit installation.

For maintenance and repairs:

Safety guidelines for maintenance and repairs.

GENERAL WARNINGS

For use:

Guidelines for safe appliance usage.

OPERATING LIMITS

Fan coil and heat exchanger:

Fundamental operating data for fan coil and heat exchanger.

DISPOSAL

TECHNICAL SPECIFICATIONS

a-CXW/i-CXW Model Dimensions

Dimensional drawings for specific a-CXW and i-CXW models.

TECHNICAL SPECIFICATIONS

OVERALL DIMENSIONS VALVES 0402-0502-0602-0702

Dimensions for 2-pipe and 4-pipe valves.

TECHNICAL SPECIFICATIONS

OVERALL DIMENSIONS VALVES 0802-1102-1202

Dimensions for 2-pipe valves for larger models.

INSTALLATION

Preparation for installation

Steps and requirements before starting installation.

Place of installation

Guidelines for selecting the installation location.

INSTALLATION

Environmental conditions

Recommended environmental conditions for operation.

MECHANICAL INSTALLATION

Fixing the fan coil

Instructions on how to fix the fan coil unit.

MECHANICAL INSTALLATION

The primary air ducts must be connected as follows:

Steps for connecting primary air ducts.

MECHANICAL INSTALLATION

Air outlets

Information on fan coil air supply outlets and flow rates.

WATER CONNECTION

Water parameters

Maximum allowable values for water quality in the circuit.

Heat transfer fluid

Information on heat transfer fluid properties and limits.

WATER CONNECTION

Drain pan

Description of the condensate drain pan function.

WATER CONNECTION

Valve connections

Information on valve connections and positions.

Two- or three-way valves

Details on supplied two- or three-way valves.

WATER CONNECTION

Valves with simplified kit

Details on simplified valve kits.

WATER SIDE PRESSURE DROP

a-CXW Four-pipe system

Pressure drop graphs and coefficients for a-CXW 4-pipe.

WATER SIDE PRESSURE DROP

a-CXW Two-pipe system

Pressure drop graphs and coefficients for a-CXW 2-pipe.

i-CXW Four-pipe system

Cold water coil pressure drop graphs and coefficients.

ELECTRICAL CONNECTION

Connection instructions

Instructions for connecting wires from the remote control.

Electrical equipment

Details on the unit's electrical components and their functions.

ELECTRICAL CONNECTION

ELECTRIC COIL

Information about the electric coil and its safety features.

Safety thermostats

Details on safety thermostats for electric coils.

ELECTRIC COIL

INSTALLATION WITH VALVES SUPPLIED BY THE INSTALLER

Instructions for installing valves supplied by the installer.

WIRING DIAGRAMS

a-CXW BASIC AC unit diagrams:

Connection diagram for a-CXW units with MTW controller.

WIRING DIAGRAMS

Diagram with single actuator

Wiring diagram for single actuator connections.

Diagram with double actuator

Wiring diagram for double actuator connections.

WIRING DIAGRAMS

a-CXW BASIC AC unit diagrams:

Connection diagram for a-CXW units with ATW controller.

WIRING DIAGRAMS

Diagram with single actuator

Wiring diagram for ATW single actuator.

WIRING DIAGRAMS

a-CXW BASIC AC unit diagrams:

Connection diagram for a-CXW units with ATW controller and electric heater.

WIRING DIAGRAMS

Diagram with electric heater and single actuator

Wiring diagram for electric heater with single actuator.

WIRING DIAGRAMS

a-CXW AC unit diagrams WITH ELECTRONICS:

Wiring diagram for a-CXW units with EKW/IKW controllers.

WIRING DIAGRAMS

Diagram with single actuator

Wiring diagram for electronics with single actuator.

WIRING DIAGRAMS

a-CXW AC unit diagrams WITH ELECTRONICS:

Wiring diagram for a-CXW units with EKW/IKW controllers and electric heater.

WIRING DIAGRAMS

Diagram with electric heater and single actuator

Wiring diagram for electric heater with single actuator.

WIRING DIAGRAMS

i-CXW AC unit diagrams WITH ELECTRONICS:

Wiring diagram for i-CXW units with ATW-EC controller.

WIRING DIAGRAMS

Diagram with single actuator

Wiring diagram for ATW-EC with single actuator.

WIRING DIAGRAMS

i-CXW AC unit diagrams WITH ELECTRONICS:

Wiring diagram for i-CXW units with ATW-EC controller and electric heater.

WIRING DIAGRAMS

Diagram with electric heater and single actuator

Wiring diagram for electric heater with single actuator.

WIRING DIAGRAMS

i-CXW EC unit diagrams WITH ELECTRONICS:

Wiring diagram for i-CXW units with EKW/IKW controllers.

WIRING DIAGRAMS

Diagram with single actuator

Wiring diagram for electronics with single actuator.

WIRING DIAGRAMS

i-CXW EC unit diagrams WITH ELECTRONICS:

Wiring diagram for i-CXW units with EKW/IKW controllers and electric heater.

WIRING DIAGRAMS

Diagram with electric heater and single actuator

Wiring diagram for electric heater with single actuator.

ACCESSORIES

HB / i-HB POWER BOARD KIT

Details and functions of the HB/i-HB power board kit.

ACCESSORIES

Fan coil wiring diagram with control units and expansion kit

Diagram of fan coil wiring with controllers and expansion kits.

ACCESSORIES

RS485 kit - interface for centralised management systems

Details on the RS485 interface kit for BMS integration.

0-10 Vdc valve expansion kit

Information on the 0-10 Vdc valve expansion kit.

ACCESSORIES

ELECTRICAL CONNECTIONS

Instructions for electrical connections to HB/i-HB board.

ACCESSORIES

CONFIGURATION DIPSWITCHES

Explanation of dipswitch settings for HB/i-HB boards.

ACCESSORIES

RS485 KIT - INTERFACE FOR CENTRALISED MANAGEMENT SYSTEMS

Technical specifications and connection procedures for the RS485 kit.

ACCESSORIES

BMS INTEGRATION WITH LOCAL MASTER-SLAVE NETWORKS

Details on integrating local Master-Slave networks into BMS.

GENERAL INSTALLATION WARNINGS AND MAINTENANCE PLAN

General installation instructions and maintenance plan

General notes on installation and maintenance.

General safety requirements

Essential safety requirements for installation and use.

GENERAL INSTALLATION WARNINGS AND MAINTENANCE PLAN

General air quality requirements

Air quality requirements for installation environments.

Cleaning the filter

Instructions for cleaning the unit's filter.

Cleaning the fan and checking the motor and capacitor

Procedures for cleaning the fan, motor, and checking capacitor.

GENERAL INSTALLATION WARNINGS AND MAINTENANCE PLAN

Maintenance plan

Periodic maintenance schedule and tasks.

GENERAL INSTALLATION WARNINGS AND MAINTENANCE PLAN

Faults and solutions

Troubleshooting guide for common faults and their solutions.

GENERAL INSTALLATION WARNINGS AND MAINTENANCE PLAN

CLEANING, MAINTENANCE, SPARE PARTS

FILTER:

Instructions for cleaning and replacing the filter.

TROUBLESHOOTING

Faults and their solutions.

MAINTENANCE

General maintenance procedures.

FAULTS AND SOLUTIONS

The fan does not work *

Troubleshooting steps for fan non-operation.

Insufficient air flow from the fan

Troubleshooting steps for low air flow.

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