Nibe ERS S40-400 User manual

Installer manual
HRV unit
NIBE ERS S40-400
UN
IHB EN 2306-1
731447

41 Important information
4Safety information
4Symbols
4Serial number
5Recovery
6Inspection of the installation
72 Delivery and handling
7Transport and storage
7Supplied components
7Compatible products
7Removing the covers
8Physical configuration
11Assembly
11Mounting
123 Design of the HRV unit
13Pipe connections
13Sensors etc.
13Electrical components
13Ventilation
13Miscellaneous
144 Ventilation connections
14General ventilation connections
14Ventilation flow
14Adjusting ventilation
14Ventilation connections
155 Electrical connection
15Overview, AJB board (AA33)
15Supply
15Connecting to main product
186 Commissioning and adjusting
18Preparations
18Start-up and inspection
197 Activating ERS S40
19Start guide
19Menu system
228 Disturbances in comfort
22Troubleshooting
239 Accessories
2410 Technical data
24Dimensions
25Technical specifications
26Energy labelling
27Electrical circuit diagram
29Item register
31Contact information
3Table of ContentsNIBE ERS S40-400
Table of Contents

Safety information
This manual describes installation and service procedures
for implementation by specialists.
The manual must be left with the customer.
This appliance can be used by children
aged from 8 years and above and per-
sons with reduced physical, sensory or
mental capabilities or lack of experience
and knowledge if they have been given
supervision or instruction concerning use
of the appliance in a safe way and under-
stand the hazards involved. Children shall
not play with the appliance. Cleaning and
user maintenance shall not be made by
children without supervision.
This is an original manual. It may not be
translated without the approval of NIBE.
Rights to make any design or technical
modifications are reserved.
©NIBE 2023.
If the supply cable is damaged, only NIBE,
its service representative or similar author-
ised person may replace it to prevent any
danger and damage.
Symbols
Explanation of symbols that may be present in this manual.
NOTE
This symbol indicates danger to person or machine.
Caution
This symbol indicates important information about
what you should consider when installing or servi-
cing the installation.
Serial number
The serial number can be found at the bottom right, inside
the front cover.
Caution
You need the product's serial number for servicing
and support.
NIBE ERS S40-400Chapter 1 | Important information4
Important information

Recovery
Leave the disposal of the packaging to the installer
who installed the product or to special waste sta-
tions.
When disposing of the product, its constituent ma-
terials and components, e.g. compressors, fans, circulation
pumps and circuit boards, must be disposed of at a special
waste station or dealer who provides this type of service.
To access the separate components, refer to the section
that shows the construction of the product. No special tools
are required for access.
Improper disposal of the product by the user results in ad-
ministrative penalties in accordance with current legislation.
5Chapter 1 | Important informationNIBE ERS S40-400

Inspection of the installation
Current regulations require the heating installation to be inspected before it is commissioned. 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.
DateSignatureNotesDescription
✔
Electricity (page 15)
Connections
Main voltage
Fuses property
Earth circuit-breaker
NIBE ERS S40-400Chapter 1 | Important information6

Transport and storage
ERS S40 should be transported and stored in the dry.
Supplied components
Rail for wall mounting 4 x feet
2 x screws
Compatible products
•SMO S40•VVM S320
•VVM S325
•S1155
•S1255
Removing the covers
FRONT COVER
1. Pull the hatch towards yourself.
INNER FRONT COVER
The inner front cover must be removed to access the internal
parts.
1. Remove the air filters.
2. Loosen the screws that hold the inner front cover in
place.
3. Pull the front cover straight out.
7Chapter 2 | Delivery and handlingNIBE ERS S40-400
Delivery and handling

Physical configuration
ERS S40 is supplied with exhaust air and supply air to the
left, known as the left-handed version. The images in this
manual show ERS S40 in the left-handed version, unless
otherwise specified.
Exhaust air Extract air
Supply air Outdoor air
ERS S40 can be converted to a right-handed version if ne-
cessary, which means that exhaust air and supply air are
connected to the right.
Outdoor air Supply air
Extract air Exhaust air
CONVERSION TO RIGHT-HANDED VERSION
1. Remove the insulation located in the right-hand space.
2. Remove the humidity sensor (BM20) including the insu-
lation plug. This is located furthest in the left-hand
space.
3. Remove the extract air sensor (BT21) including the insu-
lation plug. This is located furthest in the right-hand
space.
NIBE ERS S40-400Chapter 2 | Delivery and handling8

4. Disconnect the two cables located in the re-heater.
5. Remove the re-heater (EB18).
6. Install the re-heater (EB18) furthest in the right-hand
space.
7. Refit the insulation.
8. Connect the two cables to the re-heater.
9Chapter 2 | Delivery and handlingNIBE ERS S40-400

9. Install the humidity sensor (BM20) and the insulation
plug in the right-hand space.
There is a cable tie on the sensor, indicating how far in
the sensor has to be positioned.
10. Dismantle the grating.
11. Install the insulation plug and sensor (BT21) furthest in
the left-hand section.
12. Refit the grating.
13. Switch the filters around. Filter ePM1 55% must be
placed on the supply air side.
14. Fit the filter cassettes.
15. Mark the change to the air flows on the duct connection
plate (PZ4) on the upper side of the product.
Caution
In order to complete the conversion, changes are
required in menu 7.2.11.
NIBE ERS S40-400Chapter 2 | Delivery and handling10