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IBC AHU 800 - User Manual

IBC AHU 800
92 pages
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INSTALLATION &
OPERATING MANUAL
AHU 800 model # IAHCCF1-0800
AHU 1200 Low Velocity - model # IALCCF1-1200
AHU 1200 - model # IAHCCF1-1200
AHU 1600 - model # IAHCCF1-1600
AHU 2000 Low Velocity -model # IALCCF1-2000

Table of Contents

Other manuals for IBC AHU 800

Questions and Answers

  • A
    Amanda MyersSep 1, 2025
    What to do if my IBC AHU 800 humidistat is not working?
    • K
      Kevin HartSep 2, 2025
      If the humidistat is not working, check the probe to ensure it is properly connected.
  • C
    Cindy CookAug 31, 2025
    What to do if my IBC AHU 800 barometer is not working?
    • H
      heidi65Aug 31, 2025
      If the barometer is not working, check the probe to ensure it is properly connected.
  • J
    jacksondustinAug 29, 2025
    What to do if my IBC AHU 800 dehumidifier is freezing?
    • D
      Deanna HarrisAug 29, 2025
      If freezing is detected in the dehumidifier appliance, the coil needs to defrost. Refer to the manual for the dehumidifier for details on how to prevent freezing.
  • J
    Jennifer LeblancAug 27, 2025
    What to do if my IBC AHU 800 A/C is freezing?
    • S
      Sandra BerryAug 27, 2025
      If freezing is detected in the A/C coil, the coil needs to defrost. Refer to the manual for the air conditioner for details on how to prevent freezing.
  • R
    Russell JimenezAug 26, 2025
    What to do if the IBC AHU 800 door is open or there is no fan signal?
    • D
      Derrick Robinson DDSAug 26, 2025
      If you receive a 'Door Open / No Fan Signal' error, first check if the service door is open or if the door switch is faulty. Also, check if the harness is disconnected and if the fan is turning.
  • D
    Deborah BeckerAug 25, 2025
    What to do if my IBC Air Handlers fan has no RPM?
    • T
      Taylor TranAug 25, 2025
      If there is no fan RPM detected, check if the fan is turning or disconnected. Also, check the fuse. Use a meter to verify that 120V is present on the external connection to the board. If 10V is not coming from the fan, it is not receiving 120V. Check the 10V signal on the web app.
  • J
    Janice RayAug 22, 2025
    What to do if my IBC AHU 800 Air Handlers thermostat shows a fault?
    • S
      Sarah BrownAug 22, 2025
      If your thermostat is showing a fault, it could be due to simultaneous heating and cooling calls. Ensure that the heating and cooling leads from the Nest thermostat are not crossed. Also, there is a known issue with some thermostat models over 3 years old where the backing plate allows a short, signaling an unintended call for cooling.

Summary

Safety Information

Manual Safety Markings

Explains danger, warning, and caution symbols used in the manual.

Important Safety Instructions

Crucial guidelines for safe installation, operation, and maintenance of the appliance.

Specifications

Heating Capacity Ratings

Provides BTU/hr heating capacity data for different models and water flow rates.

Cabinet and Air Supply Dimensions

Details physical dimensions and air opening sizes for various AHU models.

Introduction

Standard Features and Benefits

Highlights key features and advantages of the IBC air handling appliance.

Product Conformity

States compliance with relevant industry standards and codes for the appliance.

Installation

Locating the Appliance

Guidelines for selecting an appropriate installation location for optimal performance and noise reduction.

Positioning and Mounting

Instructions on orienting and securing the air handling unit in various configurations.

Duct Work

Recommendations for sizing, sealing, and installing ducting systems for proper airflow.

Connecting to Heat Sources

Details on connecting the AHU to boilers and tankless water heaters, including sizing.

Electrical Connections

Guidance on wiring thermostats, pumps, and line voltage for proper appliance operation.

Worked Examples

Illustrative scenarios for wiring different heating and cooling configurations with the AHU.

Operation

Sequence of Operation

Describes how the AHU functions under different modes like heating, cooling, and heat pump.

Status Indicators and App Control

Explains LED indicators and using the IBCconnect app for monitoring and configuration.

Programming the Air Handler

Detailed steps for setting modes, parameters, and fan speeds via the IBCconnect app.

Service and Maintenance

Maintenance Checklists

Guidelines for owners and contractors on routine checks and filter replacement.

Component Replacement Procedures

Step-by-step instructions for replacing key components like fan assembly, coil, and control board.

Temperature Sensor Information

Details on testing and understanding temperature sensor resistance values for diagnostics.

Troubleshooting

Using the IBCconnect App for Troubleshooting

How to use the app to identify and resolve warnings, errors, and faults.

Common Fault Codes and Fixes

Lists potential error messages and their corresponding solutions for quick issue resolution.

Measuring Voltage on AHU Boards

Procedure for checking voltage levels on the appliance's control boards.

Pump Not Energized

Troubleshooting steps for when the appliance's pump fails to activate.

Unstable WiFi Connection

Steps to resolve intermittent wireless connections for the IBCconnect app.

WiFi Password and Network Detection

Information on the WiFi password and troubleshooting network detection for the IBCconnect app.

Using Built-in Diagnostics

Procedure for exporting diagnostic data to a USB stick for analysis.

Air Handling Appliance Parts Diagram

Wiring Diagram Appendix

IBC AHU 800 Specifications

General IconGeneral
BrandIBC
ModelAHU 800
CategoryAir Handlers
LanguageEnglish

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