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Troubleshooting
Related Manuals for Nibe ERS 20-300
Summary of Contents for Nibe ERS 20-300
- Page 1 Installer manual HRV unit NIBE ERS 20-300 IHB EN 2306-1 731436...
- Page 2 S-series F-series S1255...
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Page 3: Table Of Contents
Ventilation connections 5 Electrical connection Overview accessory board (AA5) Supply Connecting to main product 6 Commissioning and adjusting Preparations Filling Start-up and inspection 7 Activating ERS 20 Start guide Menu system 8 Disturbances in comfort Troubleshooting NIBE ERS 20-300 Chapter |... -
Page 4: Important Information
To access the separate components, refer to the section If the supply cable is damaged, only NIBE, that shows the construction of the product. No special tools its service representative or similar author- are required for access. -
Page 5: Inspection Of The Installation
In addition, fill in the page for the installation data in the User Manual. Description Notes Signature Date ✔ Electricity (page 12) Connections Main voltage Fuses property Earth circuit-breaker NIBE ERS 20-300 Chapter 1 | Important information... -
Page 6: Delivery And Handling
• VVM S320 • SMO S40 • S1255 • VVM S325 Unscrew all the screws holding the bottom panel. L E K 3. Lift the bottom panel down. L E K Chapter 2 | Delivery and handling NIBE ERS 20-300... -
Page 7: Assembly
Because servicing is carried out from below, a free space of 1,600 mm is recommended below the unit. 3. Secure ERS 20 with screws. 1000 NOTE Ensure that there is sufficient space (300 mm) for connecting ventilation ducts. NIBE ERS 20-300 Chapter 2 | Delivery and handling... -
Page 8: Design Of The Hrv Unit
Design of the HRV unit XL33 XL31 XL32 XL34 BT21 HQ11 QN37 EP26 HQ10 XL40 BT23 BT20 BT22 Chapter 3 | Design of the HRV unit NIBE ERS 20-300... -
Page 9: Pipe Connections
EP26 Heat exchanger Exhaust air fan Supply air fan HQ10 Exhaust air filter HQ11 Supply air filter QN37 Bypass damper Miscellaneous Type plate Designations according to standard EN 81346-2. NIBE ERS 20-300 Chapter 3 | Design of the HRV unit... -
Page 10: Ventilation Connections
Connect ERS 20 so that all the exhaust air, except kitchen duct air (kitchen fan), passes through the heat exchanger (EP26) in the product. The ventilation flow must comply with the applicable national standards. Chapter 4 | Ventilation connections NIBE ERS 20-300... -
Page 11: Adjusting Ventilation
Incorrect adjustment of the ventilation may lead to reduced installation efficiency and thus poorer operating economy, a poorer indoor climate and moisture damage in the building. Ventilation connections Supply air Extract air Outdoor air Exhaust air NIBE ERS 20-300 Chapter 4 | Ventilation connections... -
Page 12: Electrical Connection
NOTE Because there can be different connections for accessories If the supply cable is damaged, only NIBE, its ser- with accessory board (AA5), you should always read the in- vice representative or similar authorised person structions in the manual for the accessory that is to be in- may replace it to prevent any danger and damage. - Page 13 ERS 20 no. 2 +12V Accessory 1 AA5-X4 ERS 20 no. 3 ERS 20 no. 4 Accessory 2 AA5-X4 ERS 20 no. 5 ERS 20 no. 6 ERS 20 no. 7 ERS 20 no. 8 NIBE ERS 20-300 Chapter 5 | Electrical connection...
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Page 14: Commissioning And Adjusting
An incorrectly set ventilation flow can damage the house and may also increase energy consumption. NOTE Airflow Flöde (l/s) Order a ventilation adjustment to complete the The diagram shows the power consumption per fan. setting. Chapter 6 | Commissioning and adjusting NIBE ERS 20-300... -
Page 15: Activating Ers 20
If necessary, the different return times can be changed in regularly, although how often depends of factors such as menu 1.2.5. the amount of particles in the ventilation air. Test to find out what is most appropriate for your installation. NIBE ERS 20-300 Chapter 7 | Activating ERS 20... - Page 16 St temp sup air cooled by exh air: Here, you set the outdoor temperature at which cooling recovery will start. Chapter 7 | Activating ERS 20 NIBE ERS 20-300...
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Page 17: Disturbances In Comfort
The exhaust air filter (HQ10) and/or the supply air filter (HQ11) is clogged. – Replace the filters. • The ventilation is not adjusted. – Order/implement ventilation adjustment. • Closed, too much choke or blocked ventilation device. NIBE ERS 20-300 Chapter 8 | Disturbances in comfort... -
Page 18: Accessories
Accessories Detailed information about the accessories and complete accessories list available at nibe.eu. Not all accessories are available on all markets. ELECTRICAL AIR HEATER EAH 20 In cold weather, EAH heats the incoming outdoor air slightly to prevent the condensation in ERS 20 from freezing to form ice. -
Page 19: Technical Data
Technical data Dimensions 1270 (1365 incl. roof mounting) 1270 (1365 inkl takfäste) 1200 Ø15 Ø125 Ø125 NIBE ERS 20-300 Chapter 10 | Technical data... -
Page 20: Technical Specifications
4 Scale for efficiency class: A+ to G. Dry temperature efficiency according to EN 308 Temperature efficiency Temperatur (l/s) Airflow Outdoor air: 5 °C Exhaust air 25 °C RH exhaust air: <27.7 % Chapter 10 | Technical data NIBE ERS 20-300... -
Page 21: Energy Labelling
Information about supply/exhaust grilles in the See the "Ventilation connections" section. facade Information about pre-/disassembly See the "Recovery" section. This installer manual can also be accessed at nibe.eu. The annual electricity consumption kWh/year Annual heating saved, kWh primary energy per year Average: 4,325... -
Page 22: Electrical Circuit Diagram
Electrical circuit diagram Chapter 10 | Technical data NIBE ERS 20-300... - Page 23 Ventilation connections 15 Electrical connection Overview accessory board (AA5) Supply Connecting to main product 16 Commissioning and adjusting Preparations Filling Start-up and inspection 17 Activating ERS 20 Start guide Menu system 18 Disturbances in comfort Troubleshooting NIBE ERS 20-300 Chapter |...
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Page 24: Important Information
To access the separate components, refer to the section If the supply cable is damaged, only NIBE, that shows the construction of the product. No special tools its service representative or similar author- are required for access. -
Page 25: Inspection Of The Installation
In addition, fill in the page for the installation data in the User Manual. Description Notes Signature Date ✔ Electricity (page 32) Connections Main voltage Fuses property Earth circuit-breaker NIBE ERS 20-300 Chapter 11 | Important information... -
Page 26: Delivery And Handling
VVM 325 • F1255 • VVM 500 • F1345 • F1355 Unscrew all the screws holding the bottom panel. L E K 3. Lift the bottom panel down. L E K Chapter 12 | Delivery and handling NIBE ERS 20-300... -
Page 27: Assembly
Because servicing is carried out from below, a free space of 1,600 mm is recommended below the unit. 3. Secure ERS 20 with screws. 1000 NOTE Ensure that there is sufficient space (300 mm) for connecting ventilation ducts. NIBE ERS 20-300 Chapter 12 | Delivery and handling... -
Page 28: Design Of The Hrv Unit
Design of the HRV unit XL33 XL31 XL32 XL34 BT21 HQ11 QN37 EP26 HQ10 XL40 BT23 BT20 BT22 Chapter 13 | Design of the HRV unit NIBE ERS 20-300... -
Page 29: Pipe Connections
EP26 Heat exchanger Exhaust air fan Supply air fan HQ10 Exhaust air filter HQ11 Supply air filter QN37 Bypass damper Miscellaneous Type plate Designations according to standard EN 81346-2. NIBE ERS 20-300 Chapter 13 | Design of the HRV unit... -
Page 30: Ventilation Connections
Connect ERS 20 so that all the exhaust air, except kitchen duct air (kitchen fan), passes through the heat exchanger (EP26) in the product. The ventilation flow must comply with the applicable national standards. Chapter 14 | Ventilation connections NIBE ERS 20-300... -
Page 31: Adjusting Ventilation
Incorrect adjustment of the ventilation may lead to reduced installation efficiency and thus poorer operating economy, a poorer indoor climate and moisture damage in the building. Ventilation connections Supply air Extract air Outdoor air Exhaust air NIBE ERS 20-300 Chapter 14 | Ventilation connections... -
Page 32: Electrical Connection
If several accessories are to be connected, or are already NOTE installed, the boards are connected in series. If the supply cable is damaged, only NIBE, its ser- Because there can be different connections for accessories vice representative or similar authorised person with accessory board (AA5), you should always read the in- may replace it to prevent any danger and damage. - Page 33 ERS 20 no. 3 ERS 20 no. 4 AA5-X4 -X10 Accessory card 2 AA5-X4 AA5-X4 ERS 20 no. 5 ERS 20 no. 6 -X10 ERS 20 no. 7 ERS 20 no. 8 NIBE ERS 20-300 Chapter 15 | Electrical connection...
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Page 34: Commissioning And Adjusting
An incorrectly set ventilation flow can damage the house and may also increase energy consumption. NOTE Airflow Flöde (l/s) Order a ventilation adjustment to complete the The diagram shows the power consumption per fan. setting. Chapter 16 | Commissioning and adjusting NIBE ERS 20-300... -
Page 35: Activating Ers 20
Factory setting: ERS 20 / ERS 30 action level monitor Setting range: off, blocked, level monitor Default value: level monitor months btwn filter alarms: Set how often the filter alarm is to be displayed. NIBE ERS 20-300 Chapter 17 | Activating ERS 20... -
Page 36: Disturbances In Comfort
The exhaust air filter (HQ10) and/or the supply air filter (HQ11) is clogged. – Replace the filters. • The ventilation is not adjusted. – Order/implement ventilation adjustment. • Closed, too much choke or blocked ventilation device. Chapter 18 | Disturbances in comfort NIBE ERS 20-300... -
Page 37: Accessories
Accessories Detailed information about the accessories and complete accessories list available at nibe.eu. Not all accessories are available on all markets. ELECTRICAL AIR HEATER EAH 20 In cold weather, EAH heats the incoming outdoor air slightly to prevent the condensation in ERS 20 from freezing to form ice. -
Page 38: Technical Data
Technical data Dimensions 1270 (1365 incl. roof mounting) 1270 (1365 inkl takfäste) 1200 Ø15 Ø125 Ø125 Chapter 20 | Technical data NIBE ERS 20-300... -
Page 39: Technical Specifications
4 Scale for efficiency class: A+ to G. Dry temperature efficiency according to EN 308 Temperature efficiency Temperatur (l/s) Airflow Outdoor air: 5 °C Exhaust air 25 °C RH exhaust air: <27.7 % NIBE ERS 20-300 Chapter 20 | Technical data... -
Page 40: Energy Labelling
Information about supply/exhaust grilles in the See the "Ventilation connections" section. facade Information about pre-/disassembly See the "Recovery" section. This installer manual can also be accessed at nibe.eu. The annual electricity consumption kWh/year Annual heating saved, kWh primary energy per year Average: 4,325... -
Page 41: Electrical Circuit Diagram
Electrical circuit diagram NIBE ERS 20-300 Chapter 20 | Technical data... - Page 42 Inspection of the installation, 5, 25 Serial number, 4, 24 Start guide, 15, 35 Start-up and inspection Setting the ventilation, 14, 34 Supplied components, 6, 26 The design of the exhaust air module List of components, 9, 29 Item register NIBE ERS 20-300...
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Page 43: Contact Information
Tel: +48 (0)85 66 28 490 Hannabadsvägen 5, 285 21 Markaryd Tel. +41 (0)58 252 21 00 biawar.com.pl Tel: +46 (0)433-27 30 00 info@nibe.ch info@nibe.se nibe.ch nibe.se For countries not mentioned in this list, contact NIBE Sweden or check nibe.eu for more information. - Page 44 WS version: a1050 (working edition) Publish date: 2023-02-08 13:49 This is a publication from NIBE Energy Systems. All product illustrations, facts and data are based on the available information at the time of the publication’s approval. NIBE Energy Systems makes reservations for any factual or printing errors in this publication.
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