Slant/Fin CHS-399 - Manual (Page 31)

CHS Series Controller and Display
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Slant Fin Corp.
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2.4.8 Burner Control Ignition and Timings & Rates
Burner Timings & Rates – accessed by selecting “Burner Timings & Rates” from the “Advanced Setup” screen.
Displays the Postpurge rate and time settings; values are “read only” and cannot be adjusted.
Burner Control Ignition – accessed by selecting “Burner Control Ignition” from the “Advanced Setup” screen.
Displays the “Adjustable lightoff rate” setting.
Figure 2-27 Burner Control Ignition and Timings & Rates Screens
Table 2-21 Burner Control Ignition and Timings & Rate Parameters
Parameter Description Factory Settings
Postpurge rate *
Rate the blower will operate following the shutdown of the burner. Parameter
is read only.
4500 RPM
Postpurge time *
Time the blower will operate following the shutdown of the burner.
Parameter is read only.
25 sec
Adjustable
lightoff rate * Rate the blower will operate during burner ignition. Range 2500 rpm to 5000
rpm.
4000 RPM
* Password protected
Postpurge rate
Postpurge time
4500 RPM
20 sec
Burner Timings & Rates
Adjustable lightoff rate 4000 RPM
Burner Control
I
gnition