System Config - Slant/Fin CHS-85 Instructions Manual

CHS Series

2.4.4.5 System Config

System Config – sub-menu screen allows the
operator to set the temperature units (ºF/ºC) and the
burner "Anti short-cycle time". Use the up and down
(▲▼) buttons to navigate the menu options; when
the desired option is highlighted select by pressing the
"OK" button.
Anti short-cycle time - This
feature does not apply to
Domestic Hot Water demand or recycle events.
The Anti short-cycle feature is designed to prevent
excessive burner on/off cycling due to short or rapid
thermostat cycles, low heating load, etc.
Table 2-17 System Configuration Parameters
Parameter Description
Select which temperature units to display:
Temperature

Fahrenheit
units

Celsius
Whenever the burner is turned off due to no demand the anti-short-cycle timer is
Anti short-
started and the burner remains in a Standby Delay condition waiting for this time to
expire.
cycle time *
Range 0 to 60 minutes (1 hour).
If demand changes from a high-temperature setpoint to a lower setpoint (e.g. from
DHW to CH), water temperature may exceed the burner off point for the new
Burner off
demand. This value determines how long the control will ignore the burner off
inhibit time *
hysteresis or threshold before shutting down the burner, in order to reduce burner
cycling. Range 0 to 30 minutes.
Allows for advanced parameter configuration modifications – only use when
General
Config instructed by Slant/Fin technical support.
* Password protected
Figure 2-23 System Configuration Screen
Controller and Display
System Config
Temperature units
Anti short-cycle time
Burner off inhibit time
General Config
│
Slant Fin Corp.
Fahrenheit
5 min
10 sec
Factory Settings
Fahrenheit
5 min
10 sec
N/A
25