Solo Plus Instructions 1-800-782-9927 Version 12-13
Tarm Biomass · 4 Britton Lane · Lyme, NH 03768
3.5.2 Filling and Venting
The best connection for filling the boiler with water is at the boiler drain. During filling the circulation
pump is switched off. Filling takes place through a hose which is screwed onto the boiler drain and
connected to a water supply faucet. Fill the hose prior to filling the boiler, otherwise air in the hose
will be pushed into the boiler system. Remove the hose after filling up. High quality air elimination
equipment is recommended in the heating system installation.
3.5.3 Final Installation Checklist
This final installation checklist should be reviewed before starting up the boiler for the first time:
General Boiler Installation
○ Boiler set and level.
○ Clearances to Combustibles maintained.
○ Combustion make-up air provided.
Chimney
○ Appropriate chimney connector installed.
○ Chimney and termination meet requirements.
○ Proper chimney draft.
Plumbing
○ Plumbing fittings tight.
○ Termovar mixing valve or loading unit installed and orientated correctly.
○ Pressure relief valve installed and tested.
Electrical
○ Boiler connected to dedicated 120V, 60 hertz 15 amp power supply.
○ Functional testing performed satisfactory.
○ Dump zone connected.
Boiler Installation & Start-up > Filling and Venting
Page 32
NOTE
The heating system main supply and return piping will need to be at least 1.25” (32 mm) for
correct boiler heat output distribution. All field-run piping should be back-flushed to clean and
remove debris. Adequate filling and venting ports should be added so that air can be removed
from the system.
The system should be pressure tested before being placed into service.
NOTE
If water quality is poor or PH unsatisfactory, the installer should consider water treatment ad-
ditives during filling and water testing as part of annual maintenance.
