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Table of Contents
Related Manuals for RHOSS DIVA 30
Summarization of Contents
Purpose and Application
Cassette Fan Coil Application
Cassette fan coils are designed for commercial and private environments with false ceilings.
Unsuitable Applications for Cassette Fan Coil
Lists specific environments and uses where the cassette fan coil unit is not suitable.
Appliance Identification
Machine Identification Plate
An identification plate on each machine shows manufacturer details and appliance type.
Appliance Packaging and Unpacking Check
The appliance is supplied in cardboard packaging; check for damage and correct unit upon unpacking.
Weights and Dimensions
Unit Weights and Dimensions
Provides weights of packaged and unpackaged units, and dimensions A and B.
General Notes on Delivery
Lists the components included with the Cassette fan-coil unit upon delivery.
General Warnings and Safety
User Information Manual Caution
Emphasizes careful reading of the manual for safety and unit protection.
Important Work Procedures
Lists crucial procedures for handling, installation, maintenance, and electrical/refrigeration work.
Scope and Qualifications
Manual Scope and Applicability
Outlines the manual's scope covering transport, installation, electrical work, maintenance, and disposal.
Repair and Maintenance Personnel Qualifications
Specifies that all repairs and maintenance must be performed by qualified specialists.
Installation Procedures and Precautions
Fan Lock Removal Caution
Caution to remove the fan lock before installation.
Safety Switch and Earthing
Instructions for installing a safety switch and ensuring the unit is earthed.
Environmental Installation Restrictions
Prohibits installation in explosive, corrosive, damp environments, outdoors, or dusty areas.
Unit Handling During Installation
Emphasizes handling the unit by two people and using appropriate lifting gear.
Operating Limits and Specifications
Fan Coil and Heat Exchanger Data
Provides key specifications for fan coils and heat exchangers, including temperature, pressure, and power.
Thermoelectric Valve Technical Data
Details the technical specifications for valves with thermoelectric actuators.
Technical Characteristics and Waste Disposal
Waste Disposal Guidelines
Consumables and replaced parts must be disposed of safely and in accordance with environmental laws.
DIVA 20-50 Technical Data and Connections
Technical data and water connection details for DIVA 20-50 models (2-pipe and 4-pipe).
DIVA 60-110 Technical Data and Connections
Technical data and water connection details for DIVA 60-110 models (2-pipe and 4-pipe).
Mechanical Installation
General Installation Compliance
All installation work must adhere to health, safety, and technical regulations.
Installation Preparations
Prerequisites include hydraulic/electrical connections and ceiling preparation.
Suspended Ceiling Cutout Dimensions
Specifies minimum and maximum dimensions for the opening in the suspended ceiling.
Environmental Conditions and Air Handling
Environmental Operating Conditions
Specifies required air temperature (6-40°C) and relative humidity (15-75%) for the unit.
Air Handling and Primary Air Inlets
Describes the unit's air mixing system and primary air inlet configuration.
Installation Specifics - Air Connections
Tilting and Positioning Unit
Instructions for tilting and positioning the fan-coil unit through the ceiling opening.
Appliance Leveling
It is essential for the appliance to be installed perfectly horizontally.
Primary Air Duct Connections
Explains how fresh air ducts are connected to the unit.
Hydraulic Connections and Water Quality
Water Quality for Open Circuits
Water used in open circuits must be cleaned to prevent erosion and corrosion.
Hydraulic Connections - Valves and Condensate
Correct Hydraulic Installation
Correct installation includes pipe insulation and proper valve fitting.
Heating and Cooling Fluid Parameters
Specifies fluid temperature limits (6-80°C) and maximum working pressure.
Condensate Drain Hose Recommendation
Recommends fitting a siphon on the condensate drain with a specific slope.
Valve Connections and Characteristics
Valve Connection Diagrams
Diagrams showing valve connections to the fan-coil unit.
Valve Characteristics Data
Provides technical data for various valve types, including Kvs, flow rate, and pressure.
Electrical Connections
Compliance with National Electrical Standards
Electrical connections must comply with national laws and regulations.
Voltage and Power Supply Check
Verify rated voltage (230V-50Hz) and ensure adequate power supply capacity.
Power Consumption Data
Table showing maximum power consumption for different models.
Electrical Controls and Wiring Diagrams
Fan Coil Operation with Controls
Cassette fan coils can be operated using the described control units.
Wiring Diagram Legend
Provides a legend for understanding the symbols and abbreviations used in the wiring diagrams.
Standard Controls
KCV2 Control Panel
Description of the KCV2 control panel, its features, and mounting.
KTCV2 Control and Adjustment Panel
Details the KTCV2 panel for control, adjustment, and thermostat functions.
KTCVA Electronic Control Panel
Describes the KTCVA electronic panel with display, temperature, and valve control features.
Advanced Controls
LIT-Touch Wired Control Panels
Describes LIT-Touch wired control panels with LED displays and touch sensors.
LIT-Touch Remote Control (IR)
Details the IR LIT-Touch remote control and its compatible receivers.
Infrared Receiver Boards
Describes infrared receiver boards for KTLT remote control, for ABS or metal panel mounting.
LIT-Touch Receiver
LIT-Touch receiver with ambient air probe and emergency micro-key.
Serial Interfaces and Gateways
KIF485 RS485 Serial Interface
RS485 serial interface board for KCF control and system management.
Gateway Options (BACnet/LonWorks)
Information on BACnet and LonWorks gateways for system communication.
Electric Resistance Heaters
Electric Resistance Heater Availability
Cassette series offers models with electric resistance as an alternative to hot water valves.
Electric Resistance Heater Specifications
Details power ratings, voltage, wiring, current, and fuse recommendations for electric heaters.
Safety Thermostats
Over-Temperature Protection System
The electric coil is fitted with a system for protecting against excess temperature.
Manual Reset Thermostat
Describes the safety thermostat with manual reset and how to reset it.
Automatic Reset Thermostat
Describes the safety thermostat with automatic reset and how it resets electrically.
Wiring Diagrams and Color Codes
General Wiring Notes
Notes on external connections, electrical diagrams, and voltage checks.
Wiring Diagram Components Legend
Provides a legend for understanding the symbols and abbreviations used in the wiring diagrams.
Color Code for Wiring
Provides a color code for wiring identification in different languages.
Installation with Installer-Supplied Valves
Valve Installation Instructions
Follow manufacturer instructions for valve installation and refer to drawings for connections.
Condensate Prevention in Cold Water Systems
Insulate piping and valves in cold water systems to prevent ceiling condensate.
Valve Electrical Wiring Diagrams
Follow attached instructions for wiring the selected control to the valves.
Valve Functionality Requirements
Valves must stop water entry when power is absent and close when the internal card contact opens.
Cleaning, Maintenance, and Spare Parts
Qualified Maintenance Personnel
Maintenance must only be performed by trained and authorized personnel.
Filter Cleaning and Replacement
Instructions for removing, cleaning, and replacing the filter.
Ordering Spare Parts
When ordering spare parts, always provide the appliance model and component description.
Troubleshooting Guide
Motor Operation Issues
Addresses issues where the fan motor does not run or runs incorrectly.
Heating or Cooling Performance Issues
Troubleshooting for units that no longer heat or cool as expected.
Unit Water Leaks
Details potential causes and solutions for water leaks from the appliance.
Filter Maintenance
Instructions for cleaning or replacing the filter pad.
Water Pressure Drop Data
Pressure Drop for Two-Tube Units
Charts showing pressure drop versus water flow for two-tube units.
Pressure Drop for Four-Tube Units (Cooling)
Charts showing pressure drop versus water flow for four-tube cooling batteries.
Pressure Drop for Four-Tube Units (Heating)
Charts showing pressure drop versus water flow for four-tube heating batteries.
Manual Use and Preservation
Manual Intended Audience
The manual is intended for the machine's user, owner, and installation technician.
Manual Preservation and Availability
Keep the manual available for consultation, protected and dry, for future reference.
Manufacturer's Liability Disclaimer
Manufacturer accepts no liability for improper use, non-compliance, or unauthorised modifications.
Technical Data
DIVA 2T-RE Range Specifications
Detailed technical data for DIVA 2T-RE models, including speed, sound, and power ratings.
DIVA 4T Range Specifications
Detailed technical data for DIVA 4T models, including speed, sound, and power ratings.
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