To Next PageTo Next PageWhy does the wireless display show the wrong temperature on OSTBERG HERU 160 T EC?
When the unit starts, the wireless display shows the wrong temperature because the unit is not correctly installed. All electrical installations must be performed by a qualified electrician. Order reinstallation if needed.
What to do if OSTBERG HERU 160 T EC Air Handlers are overheating?
If your OSTBERG Air Handlers are overheating, the overheating protection in the electric after heater may have been triggered. Cut power to the unit, check if the manual overheating protection in the electric after heater has triggered, reset the manual overheating protection, and then reset the alarm.
How to troubleshoot motor failure in OSTBERG HERU 160 T EC Air Handlers?
If you're experiencing motor failure in your OSTBERG Air Handlers, it could be due to no power or signal to the fans and quick connectors, or a blocked fan wheel. Check that the fan is working and correctly connected (replace if broken), and ensure the fan wheel turns freely.
Why is the rotor temperature low in OSTBERG Air Handlers?
A low rotor temperature in OSTBERG Air Handlers can be caused by dirty filters, a slipping rotor belt, or a stuck rotor. Try changing the filters, replacing the rotor belt, and ensuring that the rotor can rotate freely.
What causes freeze protection activation in OSTBERG HERU 160 T EC?
If the freeze protection is activated in your OSTBERG Air Handlers, it may be due to insufficient heat capacity in the heating coil or a valve actuator that isn't opening correctly. Ensure that the heating coil and valve actuator are working before start-up.
How to resolve freeze protection issues in OSTBERG HERU 160 T EC Air Handlers?
If your OSTBERG Air Handlers is experiencing freeze protection issues, it could be due to insufficient heat capacity in the heating coil or the valve actuator not opening correctly. Ensure that the heating coil and the valve actuator are working before start-up.
What does 'sensor shorted' mean on OSTBERG HERU 160 T EC?
A 'sensor shorted' message on your OSTBERG Air Handlers means that the connection to the relay card has been broken, or the sensor itself is broken. Check which sensor is activated and the connection to the relay card. If the fault remains, change the broken sensor.
What to do if OSTBERG Air Handlers triggers a fire alarm?
If your OSTBERG Air Handlers triggers a fire alarm, it could be due to the fire alarm access being activated or an alarm signal from external alarm units. Check that the correct input function has been selected and ensure that the external alarm units are working as they should before start-up.
What causes low rotor temperature in OSTBERG HERU 160 T EC Air Handlers?
Low rotor temperature in OSTBERG Air Handlers can be caused by dirty filters, a slipping rotor belt, or a stuck rotor. Change the filters, replace the rotor belt, and ensure that the rotor can rotate freely.
What to do if my OSTBERG Air Handlers unit does not start?
If your OSTBERG Air Handlers unit isn't starting, the possible causes are: the unit receives no power, the activate mode is set to “Off”, or the unit is not correctly connected. Check the fuse, residual current device, and connections to ensure the unit is receiving power. Change the mode to “On.” Ensure the unit is correctly connected.
Details the features and intended use of the HERU S and HERU T energy recovery ventilation units.
Explains the temperature regulation modes and fan capacity control features of the HERU units.
Covers essential safety warnings, precautions, and general guidelines for operating the HERU unit safely.
Provides the official EU declaration of conformity for the HERU units, listing relevant directives and standards.
Outlines the scope, terms, and conditions of the product warranty, including exclusions and limitations.
Describes procedures for service conditions during the warranty period and corrective actions for detected faults.
Guide to downloading and installing the IQ Control App for managing HERU unit functions.
Instructions for pairing the HERU unit with the IQ Control App and configuring initial basic settings.
Overview of the IQ Control App's home screen, status indicators, and temperature regulation settings.
Details on using Boost for increased ventilation and Overpressure for fireplace lighting support.
Instructions for activating Away mode and setting up operational schedules for the HERU unit.
Explains how to activate night cooling and configure the integrated electric heater.
Covers turning the unit on/off, using the alarm menu, changing settings, and updating firmware.
Presents a schedule for routine maintenance inspections and tasks for the HERU unit.
Provides step-by-step instructions for performing semi-annual and annual maintenance tasks.
Details the tools and procedures required for preparing and safely opening the HERU unit for maintenance.
Step-by-step guide on how to safely remove and reinstall filters and fans for cleaning or replacement.
Information on available accessories and spare parts, and where to purchase them.
Lists common alarms, their causes, and the recommended operational steps for resolution.
Addresses various hardware failures and other operational malfunctions with troubleshooting steps.
Provides a flowchart to systematically diagnose and resolve unit issues based on symptoms.
Configuration of sensor type and limit values for RH, CO2, and VOC boost functions.
Setting up after-heater, pre-heater, and cooling device types and parameters.
Configuration of temperature regulation types, including supply, exhaust, and room control.
Setting maximum temperature limits and low supply air temperature parameters.
Configuration of external inputs for contact functions and signal types, including fire alarm and emergency stop.
Assigning alarm classes (A or B) to specific alarms affecting unit operation or relays.
Setting up filter control types: period-based, differential switch, or sensor-based.
Configuring damper opening times as a start-up delay for the extract air fan.
Setting the flow direction (Standard/Opposite) and regulation mode for the unit.
Setting the standard fan speed for supply and exhaust airflow adjustment.
Configuring minimum fan speeds for exhaust and supply air, including VAV regulation.
Setting maximum fan speeds for exhaust and supply air, including VAV regulation.
Option to save all configured settings in the setup wizard or discard changes.
General| Brand | OSTBERG |
|---|---|
| Model | HERU 160 T EC |
| Category | Air Handlers |
| Language | English |
