Slant/Fin CHS-399 - Manual (Page 15)

CHS Series Controller and Display
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Slant Fin Corp.
13
2.4.1.3 CH Config - Warm Weather Shutdown
Figure 2-12 WWSD Configuration Screen
(CH Config) Warm Weather Shutdown
(WWSD) – sub-menu screen, allows the installer to
enable the WWSD function for local (i.e. non Lead
Lag) Central Heat demands, and define at what
outdoor temperature it is initiated. Use the up and
down (▲▼) buttons to navigate the menu options;
when the desired option is highlighted select by
pressing the “OK” button.
When “Warm weather shutdown” is set to one of the
“Shutdown” options, and the outdoor temperature is
above the “Warm weather shdn setpoint”, CH
operation is inhibited.
CH operation is restored when the outdoor
temperature drops below the WWSD setpoint by a
fixed value of 4ºF.
Table 2-8 Warm Weather Shutdown Configuration Parameters
Parameter Description Factory Settings
Warm weather
shutdown
Enable or Disable Warm Weather Shutdown and select shutdown options

Shutdown after demand ends

Shutdown immediately

Disable
Disable
Warm weather
shdn setpoint Temperature at which local Central Heat operation is inhibited. Not applicable
when “Warm weather shutdown” is set to “Disable”. Range 50°F to120°F
60°F
Warm weather shutdown
Warm weather shdn setpoint
Disable
60 o F
Warm Weather Shutdown