Slant/Fin CHS-399 - Manual (Page 30)

Slant Fin Corp.
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Controller and Display CHS Series
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2.4.7 Frost Protection Config
Figure 2-26 Frost Protection Screen
Frost Protection Config – accessed by selecting
“Frost Protection Config” from the “Advanced
Setup” screen. Provides optional freeze protection
for the boiler system. Use the up and down (▲▼)
buttons to navigate the menu options; when the
desired option is highlighted select by pressing the
“OK” button.
When set to “Enable”, causes the respective
circulators to operate when the inlet temperature
drops below 45°F; and the burner to fire (at the min.
modulation rate) when the outlet temperature drops
below 38°F.
Table 2-20 Frost Protection Configuration Parameters
Parameter Description Factory Settings
CH frost
protection *
Enable or Disable frost protection for central heat (i.e. Pumps B and C). Enabled
DHW frost
protection *
Enable or Disable frost protection for DHW (i.e. Pumps A and B). Disabled
Lead Lag frost
protection * Enable or Disable frost protection for lead lag (i.e. Pumps B and C). Each slave
detects frost protection and notifies the Master.
Disabled
* Password protected
CH frost protection
DHW frost protection
Lead Lag frost protection
Enable
Disable
Disable
Frost Protection Config