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Baxi Solo HE heat only (12 HE, 15 HE, 18 HE, 24 HE, 30 HE)

Heat only, natural gas

Combustion figures

Figure	Natural gas (G20)
CO₂ CO₂ at high rate More infoHide info Rate not stated in MI: it gives one CO₂ level for all models, so it is shown at both rates. Check at the flue sampling point. No adjustment of the gas valve is permissible; if the level is higher, the MI says to call Baxi Technical Enquiries.	9% ± 1%
CO₂ CO₂ at low rate More infoHide info Rate not stated in MI: same single CO₂ level as high rate.	9% ± 1%
CO Maximum CO	Not given in MI
Ratio CO/CO₂ ratio More infoHide info Check at the flue sampling point.	Up to a maximum of 0.004
O₂ O₂	Not given in MI
mbar Working inlet pressure More infoHide info Check at the inlet tapping of the gas valve with the system cold and all controls calling for heat. Do not check at the outlet test point.	Gas valve test point Min 18.1 mbar, Max 22.5 mbar
Rate Gas rate at maximum More infoHide info 2H, G20, 20 mbar, after 10 minutes. The 30 HE is factory set below its maximum and can be altered (MI section 10.8).	12 HE 1.34 m³/h 15 HE 1.64 m³/h 18 HE 1.94 m³/h 24 HE 2.31 m³/h 30 HE 2.95 m³/h

From Comp No 5120309 - Iss 3 - 7/07

Enter service mode for high and low rate

High rate

Steps not added yet. Follow the MI.

Low rate

Steps not added yet. Follow the MI.

Ending the test: follow the MI.

Models and GC numbers

Check these figures against the MI for the appliance in front of you, matched by GC number and manual date. Combustion work needs a calibrated analyser and a Gas Safe registered engineer.