Strebel S-FX 125, Installation Operating & Maintenance Manual

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14.3.3 L
OCATION
O
F
A
DJUSTMENT
S
CREWS
S-FX 70 & 125 Gas Valve
Low Fire Adjustment (Offset) : Located in the middle of the gas valve,
turn clockwise to increase CO2.
High Fire Adjustment (Throttle) : Located at the bottom of the gas
valve within a red coloured fitting. Turn anti clockwise to increase
CO2.
S-FX 220 & 320
To give easy access to the top of the gas valve, the top case will need to be removed
– see chapter 15.2.
Low Fire Adjustment (Offset) : Located in the top right hand
corner of the gas valve, turn clockwise to increase CO2.
High Fire Adjustment (Throttle) : Located under the black
plastic cap in the middle of the gas valve, turn anti clockwise
to increase CO2.
14.4 Heating Capacity Adjustment (Range Rated)
As factory set, all S-FX boilers are range rated to 80% which can be seen within the transparent menu P14.
Heating power Adjustment Diagram:
This is a “Range Rated” boiler (according to EN 483) and can be adjusted to the systems thermal requirement by
setting the maximum heating capacity for operation in heating mode:
•
Put the S-
FX boiler into “Test Mode” as shown in chapter 14.2.
•
Press the contextual buttons 1 & 2 to increase / decrease the heating capacity (0 = minimum : 100 =
maximum). Use the above “Heating Power Adjustment Diagram.”
•
By pressing the “OK” button as shown in the above test mode picture in chapter 14.2 will set the
maximum heating capacity.
After setting the desired heating capacity, write the valve on the sticker provided and place it on the boiler under
the data plate.