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Table of Contents
Related Manuals for RHOSS DIVA 50
Summarization of Contents
Instructions for Use
DIVA 20-110
Model identification for the DIVA series fan coil units.
Declarations of Conformity
Statement of Conformity
Declaration confirming the product complies with relevant directives and standards.
General Warnings
User Information Manual Precautions
Instructions to carefully read the manual for safety and unit protection.
Sound Pressure Level
Specifies the A-weighted sound pressure level of the unit.
Manual Content Overview
Lists the topics covered by the user information manual.
Machine Identification
Identification Plate
Details about the identification label on each machine, showing manufacturer and type.
Packaging and Initial Check
Instructions for unpacking, checking for damage, and verifying the unit against the order.
Weights and Dimensions
Unit Weights and Dimensions
Table detailing weights and dimensions for different DIVA models, with and without packaging.
General Notes on Delivery
Lists the components included with the Cassette fan-coil unit upon delivery.
Mechanical Installation
Installation Compliance
Ensures installation follows health, safety, and technological standards.
Pre-installation Requirements
Details prerequisites like hydraulic/electric connections and ceiling preparation.
Ceiling Cutout Dimensions
Specifies minimum and maximum dimensions for the fan-coil unit cutout in the ceiling.
Installation Steps
Step-by-step guide for mechanically installing the fan-coil unit, including fixing and leveling.
Fresh Air Handling
Information on air intake, mixing, pressure, and treatment for fresh air systems.
Environmental Conditions
Operating Temperature and Humidity
Specifies the acceptable ambient temperature and relative humidity ranges for operation.
Water Connections
Open Circuit Water Treatment
Guidelines for filtering water and protecting the unit from corrosive substances.
Pipe Insulation and Valve Installation
Instructions for insulating pipes, installing valves, and seasonal shutdown procedures.
Condensate Discharge and Tray
Details on the condensate discharge hose, pump head, and condensate collection tray.
Valve Connections
Valve Installation and Types
Information on valve connections, types (2/3-way), and fitting by the installer.
Valve Characteristics and Sets
Technical specifications for valves, including Kvs, pressure drop, and set configurations.
Pressure Drop Notes
Guidelines on maximum pressure drop across valves at different operating conditions.
Electrical Connections
Connection Compliance and Voltage Check
Ensures electrical connections meet local laws and voltage matches 230V-50Hz.
Power Consumption and Supply Capacity
Details maximum power consumption and verifies mains supply adequacy.
Electronic Controller Voltage
Consideration of auto-transformer terminal voltages when using electronic controllers.
Safety Disconnection and Earthing
Requirements for disconnection switches, earthing, and power isolation during maintenance.
Connection Instructions
Remote Control Wiring
Guidelines for connecting remote control wires to the fan coil terminal board.
Board Configuration and Cable Entry
Details on the terminal board's configuration and required cable entry points.
Multi-Unit Control
Information on connecting multiple fan coils to a single control unit.
Electrical Equipment and Safety
Describes motor protection, terminal board functions, and safety features like drain pump control.
Electrical Controls and Wiring Diagrams
Control Unit Operation
Explains how Cassette fan coils can be operated using various control units.
Component Legend
Defines key components and their designations used in electrical diagrams and controls.
Standard Controls (Supplied Separately)
Control Unit Overview
Introduces available separate control units and lists those combinable with DIVA.
KCV2 Control Unit
Details the KCV2 panel with 3-speed switch and external thermostat possibility.
KTCV2 Control Unit
Describes the KTCV2 panel for control, adjustment, and remote thermostat.
KTCVA Electronic Control Panel
Details the KTCVA electronic panel with display, 3-speed, thermostat, and mode control.
Heating/Cooling Logic
Explains the automatic switchover logic based on water temperature detection.
Advanced Controls (Supplied Separately)
LIT-Touch Wired Control Panels
Describes LIT-Touch wired panels with LED display and capacitive touch sensors.
LIT-Touch Remote Control
Details the IR LIT-Touch remote control and its compatible receivers.
Infrared Receiver Boards
Describes infrared receiver boards (KRI, KRIM) for KTLT remote control.
LIT-Touch Receiver
Details the LIT-Touch receiver with ambient air probe and emergency functions.
On-Board Controls
CF/P and KCF/P On-Board Controls
Describes on-board electronic controls with water temperature probe and relay contacts.
Speed and Set-Point Control
Details speed regulation (EC-Inverter/AC) and set-point adjustment features.
Heating Mode Valve Control
Configuration for additional valve control in 2-pipe heating systems.
Master-Slave Management and Digital Inputs
Information on managing multiple units and configurable digital inputs.
KDO2 Additional Board
Describes the KDO2 board for additional digital relay outputs and unit alarm functions.
Serial Interfaces for Advanced Controls
KIF485 RS485 Serial Interface
Describes the RS485 serial board for KCF control and SYS-TO management.
Gateway for System Integration
Details BACnet and LonWorks gateways for MODBUS RTU communication.
Electric Resistance
Electric Resistance Availability and Function
Describes the availability and function of electric resistance in 2-pipe units as an alternative to water valves.
Resistance Specifications and Power Supply
Details resistance power ratings, voltage, current, and fuse recommendations.
Wiring and Safety Requirements
Guidelines for using H07 RN-F cable, separate power supply, and omnipole switch.
Safety Warnings
Initial Installation Checks
Ensures fan operation at all speeds and checks for airflow obstructions before use.
Thermostat System Overview
Explains the over-temperature protection system with manual and automatic safety thermostats.
Automatic Reset Thermostat
Details the location and electrical reset procedure for the automatic safety thermostat.
Manual Reset Thermostat
Describes the location and manual reset procedure for the safety thermostat.
Operating Limits with Electric Coil
Specifies the maximum ambient temperature for heating with electric coil.
Wiring Diagrams
Wiring Diagram Notes
Provides general notes and remarks regarding wiring diagrams and connections.
Component Identification
Lists components like motors, boards, sensors, and resistances with their designations.
Troubleshooting
Fan Malfunctions
Diagnoses and provides corrective actions for fan not running or running incorrectly.
Air Flow Issues
Troubleshooting for low air flow due to low speed, obstructed ducts, or dirty filters.
Heating Malfunctions
Addresses issues where the unit does not heat sufficiently, checking fan, fluid, water flow, and filters.
Cooling Malfunctions
Troubleshooting for insufficient cooling, checking fan, fluid, water flow, and filters.
Cooling Mode Leaks
Diagnoses leaks in cooling mode, checking condensate tray, insulation, unit leveling, and drain.
Temperature Fluctuations
Addresses inconsistent room temperature due to control placement or water temperature issues.
Maintenance
General Maintenance Safety
Emphasizes disconnecting power and following safety regulations before maintenance.
Filter Maintenance
Instructions for cleaning or replacing the filter pad.
Use and Preservation of the Manual
Manual Availability and Target Audience
States the manual is for users, owners, and technicians, and must be readily available.
Manual Preservation and Replacement
Instructs to preserve the manual for future reference and how to request a new copy.
Manufacturer Liability Limitations
Outlines conditions under which the manufacturer accepts no liability for unit issues.
Technical Data
DIVA 2T-RE Performance Data
Table of technical specifications including sound level, power, and rated outputs for DIVA 2T-RE models.
DIVA 4T Performance Data
Table of technical specifications including sound level, power, and rated outputs for DIVA 4T models.
Environmental Protection
Product Disposal Guidelines
Symbols and instructions for proper disposal of the product according to local laws and environmental regulations.
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