CLIMAVENETA a-CXW 1102 User Manual

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

CLIMAVENETA a-CXW 1102 Specifications

General

Brand	CLIMAVENETA
Model	a-CXW 1102
Category	Air Conditioner
Language	English

Summary

FUNDAMENTAL SAFETY RULES

CONSTRUCTIONAL CHARACTERISTICS

CONTROLS

CONTROLS (Continued)

AIR FLOW-RATE MANAGEMENT

TECHNICAL SPECIFICATIONS (a-CXW)

TECHNICAL SPECIFICATIONS (a-CXW 4-pipe)

TECHNICAL SPECIFICATIONS (i-CXW 2-pipe)

TECHNICAL SPECIFICATIONS (i-CXW 4-pipe)

Performance Data

Performance data (capacity, airflow, pressure drop) for i-CXW 4-pipe systems.

GENERAL WARNINGS

GENERAL WARNINGS (Continued)

Installation & Maintenance Safety

Key safety precautions and warnings for installation and maintenance.

OPERATING LIMITS

TECHNICAL SPECIFICATIONS (Dimensions & Connections)

TECHNICAL SPECIFICATIONS (Valve Dimensions)

TECHNICAL SPECIFICATIONS (Valve Dimensions) (Continued)

INSTALLATION

Preparation and Placement

Steps and location guidelines for installing the fan coil unit.

INSTALLATION (Continued)

MECHANICAL INSTALLATION

Fixing the Fan Coil

Instructions for mounting the fan coil unit using threaded bars.

MECHANICAL INSTALLATION (Continued)

Primary Air Ducts Connection

Steps for connecting primary air ducts to the unit.

WATER CONNECTION

WATER CONNECTION (Continued)

WATER SIDE PRESSURE DROP

WATER SIDE PRESSURE DROP (Continued)

ELECTRICAL CONNECTION

Connection & Control Wiring

Instructions for connecting remote controls, power, and valve cables.

ELECTRICAL CONNECTION (Continued)

Electric Coil Specifications

Details on electric coil models, power, wiring, and fuses.

Safety Thermostats

Information on safety thermostats and their reset procedures.

INSTALLATION WITH VALVES

WIRING DIAGRAMS (a-CXW Basic)

MTW Controller Diagram

Wiring diagram for a-CXW units with MTW controller.

WIRING DIAGRAMS (a-CXW Basic) (Continued)

Actuator Diagrams & Color Codes

Wiring diagrams for actuators and CEI color table.

ATW Controller Diagram

Wiring diagram for a-CXW units with ATW controller.

ATW Actuator Diagrams

Wiring diagrams for ATW controller with actuators.

WIRING DIAGRAMS (a-CXW Electric Heater)

WIRING DIAGRAMS (a-CXW Electric Heater) (Continued)

WIRING DIAGRAMS (a-CXW Electronics)

WIRING DIAGRAMS (a-CXW Electronics) (Continued)

WIRING DIAGRAMS (i-CXW Electric Heater)

ATW-EC Controller with Heater Diagram

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

WIRING DIAGRAMS (i-CXW Electric Heater) (Continued)

ATW Controller with Heater Diagram

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

Heater and Single Actuator Diagram

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

WIRING DIAGRAMS (i-CXW Electronics)

EKW/IKW Controller Diagrams

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

ATW-EC Controller Diagram

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

WIRING DIAGRAMS (i-CXW Electronics) (Continued)

Actuator Diagrams & RS485 Kit

Wiring diagrams for i-CXW electronic units with actuators and RS485 kit.

ATW-EC Actuator Diagrams

Wiring diagrams for ATW-EC controller with actuators.

GENERAL INSTALLATION WARNINGS AND MAINTENANCE PLAN

Installation Notes & Safety

MAINTENANCE & CLEANING

MAINTENANCE PLAN

FAULTS AND SOLUTIONS

Troubleshooting Common Issues

Fan & Airflow Problems

Heating, Cooling & Leakage Issues

CLEANING, MAINTENANCE, SPARE PARTS

Component Maintenance

Troubleshooting Guide

Step-by-step troubleshooting for common faults.