Lennox CWC 030 Installation, Operation & Maintenance Manual

Lennox CWC 030 Installation, Operation & Maintenance Manual

Chilled water cassette

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INSTALLATION-OPERATION
&
MAINTENANCE MANUAL
CHILLED
WATER
CASSETTE

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Table of Contents
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Summarization of Contents

PRODUCT RANGE
PACKING CONTENT
Lists the items included in the product packaging.
GENERAL INFORMATION
CABINET
Details the unit chassis material and insulation.
HEAT INTERCHANGE
Details the heat exchanger coil materials and design.
AIR DISTRIBUTION
Explains how air louvres adjust for airflow.
OPTIONS
Lists optional features like electric heater and fresh air kit.
SPECIFICATIONS
CORRECTION FACTORS FOR MEDIUM AND LOW SPEED
Provides correction factors for fan speeds on capacity and airflow.
WATER PRESSURE DROP
Details water pressure drop based on flow rate for different models.
ELECTRICAL CONNECTIONS
Explains power supply wiring and provides wiring diagrams.
INSTALLATION METHOD
INITIAL PLACEMENT AND CLEARANCES
Outlines initial steps for unit positioning and clearance.
SUSPENSION AND MOUNTING
Details installing suspension rods and mounting the unit.
CONTROL PANEL
ELECTRICAL WIRING DIAGRAM
Refers to the unit's wiring diagram for electrical connections.
DIFFUSER AND GRILLE INSTALLATION
MOUNTING THE DIFFUSER PANEL
Details mounting the diffuser panel to the cassette unit.
INSTALLATION OF DISPLAY UNIT HOLDER
Describes mounting the display unit holder on the diffuser panel.
MOUNTING THE AIR INTAKE GRILLE
Explains how to attach the air intake grille and filter assembly.
MAINTENANCE
CLEANING THE AIR FILTER
Provides instructions for cleaning the air filter.
ACCESS TO ELECTRICAL COMPONENTS
Guides on accessing the terminal plate and electrical board.
ACCESS TO INTERNAL COMPONENTS
Lists internal components requiring removal of parts for access.
DISASSEMBLING DRIP TRAY
Details steps to remove the drip tray for servicing.
AIR DISTRIBUTION
Explains louvre positions for heating and cooling modes.
OPTIONS
OPTIONAL ELECTRIC HEATER TECHNICAL DATA
Provides technical data for the optional electric heater.
FRESH AIR MAKE UP INSTALLATION
Details installation of fresh air intake ducting.
AIR SUPPLY TO ADJACENT ROOM INSTALLATION
Describes installation for air supply to an adjacent room.
WATER CONTROL VALVE KIT
Describes installation of water control valve kits.
AUXILIARY DRIP TRAY INSTALLATION
Details installation of an auxiliary drip tray.
FAULT ANALYSIS
Lists common problems and recommended actions for troubleshooting.
POINTS TO KEEP IN MIND
FILTER CLEANING
Reminds to check and clean the air filter.
STANDARD GUIDELINES
General guidelines and property notices for Lennox equipment.

Table of Contents