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Ensy AHU-300 HV User Manual

Ensy AHU-300 HV
36 pages
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User manual and
Installation Guide
AHU-300 HV
AHU-300 HH
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Ensy AHU-300 HV Specifications

General IconGeneral
BrandEnsy
ModelAHU-300 HV
CategoryFan
LanguageEnglish

Summary

Unit Adjustment

Humidity Sensor Operation

Details the humidity sensor's switch and operational modes for ventilation control.

Adjusting Humidity Sensor Sensitivity

Guide to calibrating the integrated humidity sensor's response from 50% to 90%.

Filter Maintenance

Filter Replacement Procedure

Steps for replacing the unit's filters and confirmation via the control panel.

Fan Maintenance

Cleaning the Fans

Instructions for qualified personnel on cleaning fan components safely.

Rotary Heat Exchanger Maintenance

Cleaning and Removal Procedure

Steps for safely removing, cleaning, and reinstalling the rotary heat exchanger.

Control Panel Interface

Main Menu and Button Functions

Overview of the main menu, control buttons, and their indicators.

Menu Screen Indicators

Explanations of the various icons and symbols displayed on the control panel.

Fan Speed Control

Airflow Options and Fan Boost

Covers Min/Normal/Max airflow and activating the fan boost function for high humidity.

Temperature Settings

Adjusting Temperature Set Points

How to select and adjust temperature set points for heating between 15-21°C.

System Information

Alarm Status and Reset

Details on finding error sources and resetting alarms.

Program Version Information

Information on unit's software version for service purposes.

General Unit Information

Displays current defrost mode and other general settings.

User Preferences

Time and Date Settings

Guide for setting time and date, crucial for schedules and filter alarms.

Weekly Schedule Programming

How to program daily schedules for fan speed and temperature.

Filter Interval Setting

Setting the replacement interval for air filters (6, 9, or 12 months).

Display Adjustment

Adjusting screen contrast, color, and on-time duration.

Setup and PIN Code Access

Accessing setup menus using a PIN code.

Advanced Setup Options

Heater Settings

Instructions for turning the reheating coil ON or OFF.

Cooling Recovery Configuration

Activating and configuring the cooling recovery function.

Fan Control Configuration

Setting supply and extract fan speeds for balanced ventilation.

CO2 Control Setup

Connecting and enabling CO2 control for air quality management.

Cooker Hood Integration

Menu for programming fan speeds based on cooker hood activation.

External Alarm Configuration

Connecting external humidity or motion sensors via the D2 connector.

Absent Mode Settings

Setting desired values for away/home function activation.

Sensor Calibration

Reading embedded temperature sensors and their calibration status.

Defrost Mode Configuration

Defrost Mode Selection

How to change the defrost mode based on humidity levels.

Defrost Function Operation

Details on how the defrost cycle affects fan speeds and heater.

Display Configuration

Display Number Assignment

Assigning control panels as Display 1 or Display 2 for multi-panel systems.

Mounting Instructions

General Mounting Considerations

Overview of the unit's capabilities and installation requirements.

Unit Mounting Options

Details on suspension brackets and vibration damping for installation.

Ceiling Bracket Installation

Steps for attaching ceiling brackets and mounting the unit securely.

Wall Mounting Procedure

Instructions for mounting the unit on a wall using separate brackets.

Concrete Ceiling Placement

Guide for mounting the unit directly into concrete ceilings using expansion bolts.

Dimensional Data AHU-300 HH

Overall Dimensions and Port Layout

Diagrams showing the unit's dimensions and connector layout.

Dimensional Data AHU-300 HV

Overall Dimensions and Port Layout

Diagrams showing the unit's dimensions and connector layout.

Technical Data

Performance Specifications

Table detailing electrical, thermal, and weight specifications.

Key Features and Connections

Summary of unit features, control systems, and connection points.

Optional Accessories

Information on extra control panels, pulse switches, and wall brackets.

Demand Controlled Ventilation

Control Panel Placement

Guidelines for positioning the control panel for optimal monitoring and regulation.

Sensor Integration in Ventilation

Role of motion and humidity sensors in regulating ventilation.

Unit Placement Recommendations

Advice on locating air handling units for service and filter access.

External Component Integration

Details on connecting external kitchen hoods, stoves, and CO2 sensors.

Connections

Electrical Connections

How to connect the control panel, power, and external sensors.

Duct Connections

Guidance on preferred room types and duct placement for the unit.

Cooker Hood Connection

Piping and Installation Guide

Instructions for connecting and piping the cooker hood to the unit.

Ductwork and Sound Management

Duct Joint Sealing

Methods for securely joining duct sections to prevent leaks.

Noise Reduction Strategies

Recommendations for using silencers to minimize noise from the unit.

Flexible Duct Usage

Guidelines for using flexible ducts for adjustments and connections.

Condensation and Insulation

Insulation Importance and Reasons

Explains why thermal insulation is necessary for ventilation ducts.

Insulation Methods and Materials

Details on insulating ducts to prevent condensation and heat loss.

Diffusers and Louvers

Placement and Connection of Diffusers

Guidelines for placing supply air diffusers and exhaust louvers.

Cooker Hood Specifics and KV Plug

Requirements for cooker hood dampers and connecting the KV plug.

Setting Airflow with Diffusers

How to adjust supply and exhaust diffuser settings for airflow.

Alarms and Troubleshooting

Critical Alarms Overview

Descriptions of critical alarms, their causes, and reset procedures.

Less Critical Alarms Overview

Descriptions of less critical alarms and their reset methods.

Rotor Fault Alarm Details

Details on rotor fault causes, effects, and potential reset methods.

Troubleshooting Common Issues

Guidance on diagnosing and resolving common unit malfunctions.

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