GENERAL INFORMATION
Ariterm Biomatic+ 20i/40i is a cost-effective, resistant, non-condensing and environmen-
tally friendly, self regulating central heating boiler intended for heating of residential houses
and production of domestic hot water using pellets. Standard equipment of the Ariterm
Biomatic+ 20i/40i includes true lambda control, automatic heating circuit regulation,
automatic convection cleaning system, large internal buffer tank, domestic hot water
heat exchanger (not in U-L model) and internal access point allowing internet connection.
Backup heating (safety feature) is produced by a 9kW immersion heater (not in models
L and U-L).
Detailed technical data can be found on page 3. To make use of all features of the boiler
and burner, it is important to observe these instructions.
Read this manual carefully before starting to use your Ariterm Biomatic+ 20i/40i pellet
heating unit. Keep this manual in a safe place for future reference.
Ariterm reserves for errors and changes.
NOTE! Follow the recommendations contained in this manual when using and
servicing the burner and the boiler.
TRANSPORT, STORAGE AND PACKAGE OPENING
Transport
The boiler is delivered in a wooden frame. The base is a platform from which the boiler
can be safely lifted. The packaging should be unwrapped as close to the installation site
as possible. It is important for thereceiver to verify the general state of the boiler before
accepting the delivery. In case of damage, the installer/supplier must be contacted
without further delay.
Storage
The boiler should be stored inside.
Package opening
After removing the packaging, open the ash box and check the accessory list to make sure
that all accessories are contained in the delivery (cleaning brush handles are attached to the
packaging). Disposing of the packaging The plastic cover is landfill waste and the boards
can be burned.
TABLE OF CONTENTS
GENERAL INFORMATION
General information ......................................................2
Transport, storage and unpacking .................................2
Technical data ...............................................................3
Functional description ...................................................4
Safety and alarms .........................................................4
Control panel ................................................................5
Burner operating principle ............................................5
Boiler installations .........................................................6
Pipe installations ...........................................................7
Wiring diagram Biomatic+ 20
i ......................................8
Wiring diagram Biomatic+ 40
i ......................................9
Start-up, start and stop ......................................... 10-11
Burner settings and parts ............................................11
Heat circuit settings Ariterm Local/Portal ............... 12-19
Heat circuit settings and connections .................... 20-21
Alarms and troubleshooting ........................................22
Guarantee and Decommissioning ................................23
Most common spare parts ..........................................23
Service and maintenance ...................................... 24-27
Wood pellets as fuel ...................................................28
Feeding system ...........................................................29
The Clean Air Act 1993 and Smoke Control Areas. .....30
Notes. .........................................................................30
Installation report ........................................................31
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