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Nibe ERS 20-250, Installer Manual

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Nibe ERS 20-250 Installer Manual Download Page 7

Removing the covers

1.

Slacken off the four screws holding the side panel.
Move the panel out and downwards.

LEK

2.

Unscrew all the screws holding the bottom panel.

LEK

3.

Lift the bottom panel down.

LEK

7

Chapter 2 | Delivery and handling

NIBE ERS 20-250

Summary of Contents for ERS 20-250

Page 1: ...IHB EN 2001 1 531798 INSTALLER MANUAL Ventilation heat exchanger NIBE ERS 20 250 LEK...

Page 2: ......

Page 3: ...eneral ventilation connections 12 Ventilation flow 12 Adjusting ventilation 12 Dimension and ventilation connections 12 Preheating outdoor air 13 5 Electrical connection 13 Connecting to main product...

Page 4: ...symbol indicates tips on how to facilitate using the product MARKING The CE mark is obligatory for most products sold in the EU regardless of where they are made CE Classification of enclosure of elec...

Page 5: ...missioned The inspection must be carried out by a suitably qualified person In addition fill in the page for the installation data in the User Manual Date Signa ture Notes Description Electricity page...

Page 6: ...sound sensitive rooms should be fitted with sound insulation Condensation comes from the ventilation heat ex changer A condensation outlet with a water seal must be installed and routed to an internal...

Page 7: ...lacken off the four screws holding the side panel Move the panel out and downwards LEK 2 Unscrew all the screws holding the bottom panel LEK 3 Lift the bottom panel down LEK 7 Chapter 2 Delivery and h...

Page 8: ...LEK GQ3 XL32 XL34 XL33 XL31 AA5 GQ2 EP26 XL40 HQ10 HQ11 UB1 QN37 W1 W2 PF1 BT22 BT20 BT23 BT21 BL2 NIBE ERS 20 250 Chapter 3 The ventilation heat exchanger design 8 3 The ventilation heat exchanger de...

Page 9: ...ir BT21 Temperature sensor supply air BT22 Temperature sensor outdoor air BT23 Electrical components Accessory card AA5 Cable gland UB1 Cord with connection plug W101 Communication cable W102 Ventilat...

Page 10: ...nection must be made so that the user can check and top up the water seal without opening ERS 20 CLEANING THE CONDENSATION WATER DRAIN Condensation forms when ERS 20 is working This condensation is le...

Page 11: ...all grille in the facade The outer wall grille must be installed so that it is protected from the weather and must be designed so that no rainwater and or snow can penetrate the facade or follow the a...

Page 12: ...projected value of the house Incorrect adjustment of the ventilation may lead to re duced installation efficiency and thus poorer operating economy and may cause moisture damage in the building Dimen...

Page 13: ...o prevent interference sensor cables to ex ternal connections must not be laid close to high voltage cables For electrical wiring diagram see page 23 Connecting to main product If several accessories...

Page 14: ...in ERS 20 must be connected to the main product 15 A vit B brun GND gr n A vit B brun GND gr n 14 13 AA3 X4 1 2 3 4 5 6 7 8 AA5 X4 Main product ERS 20 A white B brown GND green A white B brown GND gre...

Page 15: ...3 4 5 6 7 8 ERS 20 no 3 Outside air sensor When installing with an electrical preheater EAH dis connect the outdoor air sensor BT23 in ERS 20 The enclosed outdoor air sensor EAH is placed in the outdo...

Page 16: ...adjustment is ordered and permitted Caution An incorrectly set ventilation flow can damage the house and may also increase energy con sumption NOTE Order a ventilation adjustment to complete the sett...

Page 17: ...exhaust supply air module Menu 5 3 12 exhaust supply air module Settings specific to ERS 20 Lowest extract air temp Set the minimum extract air temperature to prevent the heat exchanger freezing The...

Page 18: ...tilation adjustment Closed too much choke or blocked ventilation device Check and clean the exhaust air devices Fan speed in reduced mode Go to the main product s menu 1 2 1 for the S series and 1 2 f...

Page 19: ...For more information see the In staller Manual for the relevant accessory ELECTRICAL AIR HEATER EAH 20 In cold weather EAH 20 900 heats the incoming outdoor air slightly to prevent the condensation i...

Page 20: ...Dimensions ERS 20 1271 1367 inkl takf ste 125 673 110 125 1202 255 130 120 120 241 125 15 1271 1367 incl roof mounting NIBE ERS 20 250 Chapter 10 Technical data 20 10 Technical data...

Page 21: ...A Sound pressure level LP A at 1 m1 50 0 dB A Sound pressure level LP A at 1 m2 Pipe connections 125 mm Ventilation 15 mm mm Condensation water drain Dimensions and weight A Efficiency class3 2 4 m L...

Page 22: ...rate 50 Pa Reference pressure difference 0 288 W m3 h Specific power input SPI Clock control 0 95 Control factor and control typology Internal 2 5 External 1 6 External leakage rates See user manual I...

Page 23: ...AGRAM Part Specification Sheet 051146 1 Page 2 2 Created 2018 11 06 12 02 0 001 MJN 2018 11 06 Production GBN 2016 04 27 WIRING DIAGRAM ERS 20 250 ELSCHEMA ERS 20 250 051146 1 23 Chapter 10 Technical...

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Page 27: ...nibe fi NORWAY NETHERLANDS GREAT BRITAIN ABK AS Brobekkveien 80 0582 Oslo Tel 47 23 17 05 20 post abkklima no nibe no NIBE Energietechniek B V Energieweg 31 4906 CG Oosterhout Tel 31 0 168 47 77 22 i...

Page 28: ...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...

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