Honeywell SV2 Series User Manual page 100

SV2 Series Safety Shut-off Valves
Fig. 56: Base Curve Setup.
Initial Amplification Factor Set-Up (Set Initial button)
To enable the first appliance start, the SV2 Series valve requires an initial amplification value before the first ignition
attempt. To do so, set the value by pressing the Lean or Rich up and down arrow buttons and selecting the Set Initial
button. The value only becomes effective after pressing the Set Initial button.
It is recommended to determine the initial amplification factor during the development of the appliance and list the
initial amplification factors per gas type in the appliance installation manual.
Alternately, a Base Curve which was defined on a similar appliance can be uploaded to the system using the Load &
Save feature of the HMI or PC Tools. Refer to the Load Saved Curves section of this manual or
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Fig. 54-Fig. 55.
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