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Komfovent RHP Standard - User Manual

Komfovent RHP Standard
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RHP Standard
USER
MANUAL
EN

Table of Contents

Questions and Answers

  • A
    Anthony SmithSep 4, 2025
    Why is there high pressure on the compressor of my Komfovent Air Handlers?
    • B
      bbrewerSep 4, 2025
      High pressure on the compressor in your Komfovent Air Handlers can occur if the refrigerant pressure is too high due to temperature conditions. In this case, the heat pump operation will resume automatically when the room or outdoor temperature changes, or the pressure drops. If the issue persists, it could be due to a system failure, and you should contact authorized service.
  • P
    Peter BrightSep 18, 2025
    What to do if Komfovent Air Handlers shows 'Extract air temp. sensor failure'?
    • L
      Laura BoydSep 18, 2025
      If your Komfovent Air Handlers displays 'Extract air temp. sensor failure', check whether the sensor is connected. The issue may be caused by not connected or faulty extract air temperature sensor. If a sensor needs to be replaced, contact an authorized service representative.
  • S
    swilsonSep 16, 2025
    What to do if Komfovent Air Handlers shows 'Supply air temp. sensor failure'?
    • G
      Gordon RomeroSep 16, 2025
      If your Komfovent Air Handlers displays 'Supply air temp. sensor failure', check whether the sensor is connected. The issue may be caused by not connected or faulty supply air temperature sensor. If a sensor needs to be replaced, contact an authorized service representative.
  • M
    Melissa WrightSep 14, 2025
    What does 'Water pump/ coil alarm' mean on Komfovent RHP Standard?
    • M
      Maria CraneSep 14, 2025
      The 'Water pump/ coil alarm' on your Komfovent Air Handlers indicates a signal from the water flow sensor or circulation pump has been received. Check if there is enough water in the system and whether the circulation pump and water mixing valves are working.
  • A
    Amanda McdonaldSep 12, 2025
    What causes low heat exchanger efficiency in Komfovent RHP Standard?
    • J
      Jonathan NguyenSep 12, 2025
      Low heat exchanger efficiency in Komfovent Air Handlers can be caused by a few things. It could be due to unfavorable temperature or humidity conditions; in this case, the message will disappear automatically when the air temperature or humidity changes and efficiency increases. It may also be caused by one or two faulty temperature sensors inside the unit. Check the readings of the temperature sensors and contact an authorized service representative if a sensor(s) needs to be replaced. Another potential cause is air mixing between different flows. Check the unit door for tightness and all gaskets or sealant joints for wear.
  • L
    Laura SwansonSep 12, 2025
    How to troubleshoot VAV calibration fail on Komfovent Air Handlers?
    • B
      bgonzalesSep 12, 2025
      If you're experiencing a VAV calibration fail on your Komfovent Air Handlers, check the pressure sensors and their measuring range. The issue may be caused by not connected or faulty pressure sensors. If a sensor needs to be replaced, contact an authorized service representative.
  • R
    Renee KerrSep 9, 2025
    Why is my Komfovent Air Handlers compressor off when the outdoor temperature is between 15°C and 20°C?
    • R
      rmorrisSep 9, 2025
      If your Komfovent Air Handlers heat pump is not running when the outdoor temperature is between 15°C and 20°C, it will start automatically as soon as the outdoor temperature changes.
  • A
    Alicia HernandezSep 7, 2025
    Why is my Komfovent RHP Standard Air Handlers compressor off?
    • N
      Nancy GeorgeSep 7, 2025
      Your Komfovent Air Handlers compressor might be off because the heat pump stopped due to insufficient airflow. Try increasing the airflow setting to resolve this.
  • J
    Jonathan RodriguezSep 5, 2025
    Why is there low pressure on the compressor of my Komfovent RHP Standard Air Handlers?
    • M
      Miguel WallaceSep 6, 2025
      Low pressure on the compressor in your Komfovent Air Handlers can happen if the refrigerant pressure is too low because of temperature conditions. The heat pump operation should resume automatically when the room or outdoor temperature changes, or the pressure rises. If the problem continues, it may be due to a system failure or refrigerant leak, and you should contact authorized service.
  • H
    hancockcolinAug 21, 2025
    What does 'Service time' mean on Komfovent Air Handlers?
    • A
      Amber NewmanAug 21, 2025
      The 'Service time' message on your Komfovent Air Handlers indicates that periodic maintenance is required. Clear the message after performing the necessary maintenance.

Summary

Introduction

Before Turning On the Unit

Crucial pre-operation checks for the air handling unit, ensuring proper installation and safety before activation.

Air Handling Unit Functions

Ventilation Modes

Explains the different operational ventilation modes available for the unit, including COMFORT and ECONOMY settings.

Air Flow Control

Details the methods for controlling air volume and fan speed, such as CAV, VAV, and DCV.

Temperature Control

Describes various methods for maintaining desired air temperatures, including supply, extract, room, and balance controls.

Air Quality Control (AQC)

Explains how ventilation intensity adjusts based on indoor air quality measured by sensors like CO2 or VOC.

Outdoor Compensated Ventilation (OCV)

Details how ventilation intensity adapts to outdoor temperature to optimize energy use and comfort.

Minimum Temperature Control (MTC)

Describes how the unit reduces ventilation intensity when set minimum temperatures cannot be met.

Operation on Demand (OOD)

Explains how the unit activates based on indoor air quality, running only when ventilation is needed.

Summer Night Cooling (SNC)

Details the function that uses cool night air to ventilate premises and reduce indoor heat during summer.

Override Function (OVR)

Explains how external signals can activate pre-selected ventilation modes or stop the unit.

Heat Pump

Provides information on the integrated heat pump system for heating and cooling operations.

Protective Functions

Outlines built-in safety features like fire alarms and overheat protection for unit components.

Humidity Control (HUM)

Explains the function for maintaining desired indoor air humidity levels via humidifiers or dehumidifiers.

Additional Zone Control (ZN)

Describes controlling multiple temperature zones with one unit using additional modules.

Combined Water Heater;Cooler

Details the integration of a single unit for both heating and cooling water circuits.

Control of Direct Evaporation (DX) Devices

Explains the control features for external DX coils used for cooling or heating.

Water Flow Monitoring Function

Covers the function that protects the water heater coil by monitoring water flow.

Control and Settings: Control Panel C5.1

Parameter Overview

Explains how to view and navigate through various operational parameters on the control panel.

Turning On and Selecting Ventilation Modes

Provides step-by-step instructions for starting the unit and selecting desired ventilation modes via the control panel.

Setting Parameters of Ventilation Modes

Guides users on how to adjust specific settings like supply/extract flow and setpoints for different ventilation modes.

Scheduling Window and Ventilation Schedule Settings

Explains how to create custom ventilation schedules for automatic operation based on time and day.

Overview Window

Describes the overview screen for checking unit status, alarms, operation counters, and detailed information.

Functions

Details how to activate and configure various operational functions like AQC, OOD, and OCV.

Settings

Air Handling Unit Settings

Covers primary settings related to temperature control, airflow, air quality, time/date, and connectivity.

Customization

Explains how to customize the user interface, including language, screen saver, panel lock, and touch sounds.

Control and Settings: Computer

Modes

Allows users to adjust ventilation mode, flow control, and temperature control settings via a computer interface.

Operation Modes

Details how to select and configure different ventilation operation modes, including setting air volume and temperature.

Flow Control Modes

Explains the selection of air flow control methods like CAV, VAV, and DCV through the computer interface.

Temperature Control Modes

Describes how to select temperature control methods (Supply, Extract, Room, Balance) via the computer.

Functions

Covers enabling/disabling and changing settings for various unit functions via the computer.

Air Quality Control (AQC)

Explains setting air quality limits and ventilation intensity adjustments through the computer interface.

Outdoor Compensated Ventilation (OCV)

Details setting outdoor temperature limits for ventilation intensity reduction via computer.

Minimum Temperature Control (MTC)

Explains setting minimum desired supply air temperature via the computer interface.

Summer Night Cooling (SNC)

Describes setting indoor temperatures for the summer night cooling function via computer.

Override Function (OVR)

Covers selecting conditions for activating the override function and specifying the ventilation mode via computer.

Operation on Demand (OOD)

Explains setting critical air quality sensor values for unit activation via computer.

Humidity Control (HUM)

Details setting desired relative humidity levels for different modes via computer.

Additional Zone Control (ZN)

Explains setting desired supply air temperature for individual zones via computer.

Alarms;Status

Shows how to view unit alarms and status information through the computer interface.

Actual Alarms

Details how to view and clear critical and informational alarm messages via computer.

Alarm History

Explains how to view past alarm messages with dates and times via computer.

Operation Counters

Describes how to view operating times and energy consumption via computer.

Efficiency Status

Shows how to view heat exchanger efficiency and energy saving status via computer.

VAV Status

Explains how to view VAV mode status and calibration information via computer.

Controller Status

Provides an overview of controller and control panel software versions via computer.

Scheduling

Covers setting weekly and holiday schedules via computer.

Operation Program

Details creating up to twenty operating programs with mode, day, and time intervals via computer.

Holidays

Explains how to set holiday programs for the unit to run in selected modes or be stopped via computer.

Settings

Covers user interface configuration, including time, language, units, network, and password settings via computer.

Date;Time Settings

Details setting the unit's time and date, including daylight saving time, via computer.

Connectivity Settings

Explains setting IP address, Modbus, and BACnet parameters for network connectivity via computer.

User Interface Settings

Covers selecting language, flow units, and AHU name for the user interface via computer.

Log-in Password

Details changing the password for web browser login and recovery options via computer.

Restoring Factory Settings

Explains how to reset the unit to default factory settings, including network parameters and PIN code.

Control via a Smartphone

Smartphone Control Setup

Guides users on setting up and connecting the unit for control via a mobile smartphone application.

Periodic Maintenance

Housing Maintenance

Covers inspection and cleaning of the unit's housing, checks for damage, leaks, and gasket integrity.

Filter Maintenance

Details filter inspection, pressure relay checks, and replacement procedures for optimal air quality.

Fan Maintenance

Outlines checks for fans, ensuring free rotation, proper operation, and cleaning of impellers and motors.

Rotary Heat Exchanger Maintenance

Describes checks for the rotary heat exchanger, including rotor, bearings, belts, and cleaning of air channels.

Direct Evaporation Cooler;Heater (DX) Maintenance

Covers checks for refrigerant leaks, moisture, external unit operation, and coil cleaning for DX devices.

Electrical Heater Maintenance

Details inspection of overheat thermostats, automation, power supply, and cleaning of heating elements.

Heat Pump Maintenance

Outlines visual inspections and professional checks for the heat pump system, including refrigerant and compressor.

Water Heater;Cooler Maintenance

Describes checks for fluid leakage, valve/pump operation, antifreeze protection, and coil cleaning.

Troubleshooting

Alarm Table

Provides a comprehensive table of error codes, messages, possible causes, and user actions for fault resolution.

Annex 1: Filter Inspection and Replacement

Filter Location Diagrams

Illustrates the location of filters on different device models for inspection and replacement.

Komfovent RHP Standard Specifications

General IconGeneral
BrandKomfovent
ModelRHP Standard
CategoryAir Handlers
LanguageEnglish

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