Related Manuals for OSTBERG HERU IQ S
Summary of Contents for OSTBERG HERU IQ S
- Page 1 HERU IQ S – HERU IQ T OPERATION & MAINTENANCE | EN Other languages in digital format can be downloaded at www.ostberg.com...
- Page 2 • Download the latest firmware version: Modbus. • Download complete Modbus register: FIRMWARE MODBUS IQ Control App. • Download the app: APPLE GOOGLE • Download wiring diagrams via the links below HERU S HERU T www.ostberg.com Information about the products at...
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Page 3: Table Of Contents
EN | Table of content 1 PRODUCT OVERVIEW AND USE........4 1.1 Product description . -
Page 4: Product Overview And Use
EN | Product overview and use 1 Product overview and use 1.1 Product description The energy recovery units HERU S and HERU T are designed for supply air and exhaust air ventilation with cooling and heat recovery. The unit • is equipped with an inbuilt electric after heater. •... -
Page 5: Control Functions
EN | Product overview and use 1.2 Control functions 1.2.1 Regulating the temperature The air temperature can be regulated for either constant supply, room or exhaust air temperature. • To regulate room temperature, a sensor must be positioned in the room (accessory). •... -
Page 6: Safety
EN | Safety 2 Safety 2.1 Warnings WARNING A warning states a risk of personal injury. CAUTION Caution states a risk of damage to equipment. 2.2 General safety WARNING In accordance with IEC 60335-2-7.12, this apparatus is not intended to be used by people (including children) who have physical, sensory or psychological impairment, or lack of experience and knowledge, unless they have received guidance and instruction on how to use the apparatus by a person who is responsible for their safety. - Page 7 EN | Safety CAUTION Do not connect an exhaust air type tumble dryer or drying cabinet to the system due to the high air humidity. CAUTION The unit must not be turned off for longer periods unless the duct connections for outdoor air and extract air are re-plugged due to the risk of condensation and freezing.
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Page 8: Declaration Of Conformity
Industrigatan 2 SE-774 35 Avesta, Sweden Tel No +46 226 860 00 Fax No +46 226 860 05 http://www.ostberg.com info@ostberg.com VAT No SE556301220101 Products: Bidirectional ventilation unit RVU: HERU® 95 T EC, HERU® 100 T EC, HERU® 160 T EC, HERU®... -
Page 9: Warranty
EN | Warranty 3 Warranty The warranty’s validity according to the purchase agreement is calculated from the day of purchase. 3.1 Extent of the warranty The warranty covers faults that occur during the warranty period that have been notified to the dealer or which have been verified by H.Östberg AB (underwriter) or the warranty provider’s representative. -
Page 10: Service Conditions During The Warranty Period
EN | Operation 3.4 Service conditions during the warranty period The conditions apply according to the agreement with the local dealer. 3.5 Corrective measures in the event of detected faults If a fault is detected, the customer must notify this to the dealer. Shipping damage must be notified to the shipping agent upon delivery. -
Page 11: Operation
EN | Operation 4 Operation For information on active view in the IQ Control App, press the i-button in the App’s status bar. WARNING The unit’s duct connections must be duct connected, and doors/cover closed and locked before the unit is started in order to avoid the risk of personal injury from rotating parts. CAUTION The unit must be run constantly and only be stopped for maintenance. -
Page 12: Pairing Units
EN | Operation 4.2 Pairing units 1. Make sure the phone’s Bluetooth is turned on. 2. On the HERU Bluetooth gateway (1), take a pointed object and briefly press the button inside the hole (2) (the larger hole furthest away from the socket). 3. -
Page 13: Iq Control App
EN | Operation 4.4 IQ Control App 4.4.1 Home screen Shows the status and hotkeys of the Home screen. The following symbols can be displayed in the status bar: 1. Home screen 2. Information about the active view 3. Status row – shows available functions - Status cloud connection - Bluetooth connection - Air quality compensation for high level of a sensor... -
Page 14: Boost - Used For Temporarily Increased Ventilation Needs
EN | Operation 4.6 Boost – used for temporarily increased ventilation needs 4.6.1 Boosting the unit 1. Press on the Boost icon. Operation in boost mode is shown with a green circle around the icon. Deactivate by clicking on the icon again. NOTE! The preset time for boost operation is 30 minutes. -
Page 15: Activate Away Mode
EN | Operation Activate Away mode 1. Press on the Away icon. Operation in away mode is stated with a green circle around the icon. The away mode is active until it is manually deactivated by pressing on the icon again. NOTE! The away mode is prioritised and overrides the program planner if both are active simultaneously. -
Page 16: Activate Night Cooling
EN | Operation 4.10 Activate night cooling Night cooling is a temperature regulated boost without heat recovery, where the unit is cooled with cold outdoor air as needed. Night cooling is activated when the Extract air temperature is higher than the set Extract air high value and the out-door temperature is lower than Extract air temperature –... -
Page 17: Turn The Unit Off And On
EN | Operation 4.12 Turn the unit off and on 1. Starting the unit. Connect plug/turn on the safety switch. Start the IQ Control App or Press on the display and click on OK to the question Start unit?. 2. Turning off the unit. Open the main menu, scroll down and select Turn off unit. 4.13 Use the Alarm menu 1. -
Page 18: Maintenance
EN | Maintenance 5 Maintenance WARNING In accordance with IEC 60335-2-7.12, this apparatus is not intended to be used by people (including children) who have physical, sensory or psychological impairment, or lack of experience and knowledge, unless they have received guidance and instruction on how to use the apparatus by a person who is responsible for their safety. -
Page 19: Preparations
EN | Maintenance 5.3 Preparations Tools • Torx T25 screwdriver • Flat-blade screwdriver/13 mm socket (HERU S) • Flat-blade screwdriver (HERU T) Disposable items • Protective gloves • Breathing protection (minimum class FFP2 as per standard EN149+A1:2009 or equivalent) • Protective clothing 5.4 Open doors and lid 1. -
Page 20: Remove Filters And Fans
EN | Maintenance WARNING Watch out for sharp edges and corners on the unit. WARNING Protective gloves must be worn due to the risk of cuts or injury. 5.5 Remove filters and fans. WARNING Breathing protection and protective clothing must be used due to the risk of breathing in and spreading dust when handling a used filter. -
Page 21: Accessories And Spare Parts
Under Filter measurement, click Reset. In the dialogue box displayed, select Reset. Return to the home screen. 5.6 Accessories and spare parts www.ostberg.com For a complete list of accessories and spare parts for each model, see or contact your nearest HERU dealer. -
Page 22: Technical Data
EN | Technical data 6 Technical data www.ostberg.com For current technical data, please see 1270525_1... - Page 23 EN | Technical data 1270525_1...
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Page 24: Troubleshooting
EN | Troubleshooting 7 Troubleshooting 7.1 Alarm There are two types of alarms: Alarm A and Alarm B. Alarm A is a critical alarm that turns off the unit. Alarm B is an alarm that can affect operation but that does not cause damage to the unit. When an alarm is activated, a dialogue box opens and a notification of an active alarm is shown in the upper right corner of the IQ Control App. -
Page 25: Other Malfunctions
Check the installation. If there are malfunctions that cannot be solved with the aid of this information, contact your electrician or dealer. www.ostberg.com For a complete list of accessories and spare parts for each model, see or contact your nearest HERU dealer. -
Page 26: Troubleshooting Chart
EN | Troubleshooting 7.3 Troubleshooting chart Is ’’No communication!’’ Is ’’Turn on unit’’ displayed? displayed? Is there a key displayed in the upper left corner? Losing communication with main unit. Please go closer. Display / Alarm / Keylock is activated. Touch the screen and Message hold for 3 seconds... - Page 27 EN | Troubleshooting (HERU S only) (HERU S only) See fan motors. 1270525_1...
- Page 28 EN | Troubleshooting 1270525_1...
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Page 29: Appendix 1 Iq Control App - Setup Wizard
EN | HERU IQ Control App Wizard Appendix 1 IQ Control App – Setup Wizard 1 Installation Setup Wizard The Setup Wizard is a easy setup tool for your HERU air handling unit. Follow the steps. You fi nd it under: Settings > Service > code 1991 > Setup Wizard. Choose Settings Choose Service Write 1991... - Page 30 EN | HERU IQ Control App Wizard 1.1 Step 1 – RH/CO2/VOC Boost Sensor type Select the type of sensor and set the limit value for when fan compensation will activate. If the limit value is exceed- ed, the supply and exhaust air fl ow will be increased steplessly.
- Page 31 EN | HERU IQ Control App Wizard Setup Wizard – 2 – After heater – choices Setup Wizard – 2 – Pre heater– choices Setup Wizard – 2 – Cooling – choices 1.3 Step 3 – Temp regulation Regulation Type Exhaust S/W and Room S/W •...
- Page 32 EN | HERU IQ Control App Wizard Setup Wizard – 3 – Temp regulation – choices 1.4 Step 4 – Temp set point & Supply temp low Set point Max limit: Set a maximum limit on the tem- perature set point setting. Extra economy temperature set point can be activated, which allows for two temperature set...
- Page 33 EN | HERU IQ Control App Wizard 1.5 Step 5 – Switches External inputs – Contact External inputs - Signal Automatic reset allows the function: type: unit to return to normal op- Choice of contact function eration automatically when Choice of signal type from from external equipment.
- Page 34 EN | HERU IQ Control App Wizard Setup Wizard – 5 – Switches – heater pump Setup Wizard – 5 – Switches – boost choice Setup Wizard – 5 – Switches – overpressure alarm choice choice Setup Wizard – 5 – Switches – mode choice Setup Wizard –...
- Page 35 EN | HERU IQ Control App Wizard 1.6 Step 6 – Alarm class Alarm outputs: Settings of which alarm class that respective alarm should • A-relay state: Contact have. function during normal operation. • B-relay state: Contact Two levels can function during normal be selected: operation.
- Page 36 EN | HERU IQ Control App Wizard 1.8 Step 8 – Dampers Damper: Opening time setting for dampers. Acts as start-up delay of the extract air fan to allow time for dampers to open. For opening times, see sep- arate data sheet for damper motor.
- Page 37 EN | HERU IQ Control App Wizard 1.10 Step 10 – Standard fan speed Standard fan speed: When entering the setup page, all program param- eters that affect the fl ow of the fans are temporarily deactivated and the pro- gram is entering adjust- ment mode.
- Page 38 EN | Troubleshooting 1.12 Step 12 – Max fan speed Max Speed: When entering the setup page, all program param- eters that affect the fl ow of the fans are temporarily deactivated and the pro- gram is entering adjust- ment mode. When leaving the setup page, the unit returns to normal opera- tion.
- Page 40 H ÖSTBERG AB Box 54, SE-774 22 Avesta, Sweden Phone: +46 226 860 00 E-mail: info@ostberg.com www.ostberg.com...
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