Slant/Fin CHS-399 - Manual (Page 24)

Slant Fin Corp.
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Controller and Display CHS Series
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2.4.4.2 Pump Config
Figure 2-20 Pump Configuration
Pump Config – sub-menu screen allows adjustment
of the individual pump overrun times; also allows the
individual pumps to be manually turned on for testing
purposes. Use the up and down (▲▼) buttons to
navigate the menu options; when the desired option is
highlighted select by pressing the “OK” button.
CH pump use for LL Master – for Lead Lag
multiple boiler configurations; set this parameter to
“On” on the boiler that is controlling the System
pump with the Pump C output.
pump control – This may be
used to manually override
automatic control of the pumps for testing purposes.
If used in this manner, ensure that it is set back to
“Auto”; otherwise, the selected pump(s) will remain
powered on indefinitely.
Table 2-14 Pump Configuration Parameters
Parameter Description Factory Settings
CH pump
control *
Switches CH pump (Pump C) control from Automatic to ON. Auto
CH overrun
time * Amount of time the CH pump (Pump C) will continue to run after a CH [CH1
or CH2 (LL)] demand ends. Range 0 to 1080 minutes.
0 sec
CH pump use for
LL master * Check box used to allocate Pump C output as the system pump operator for
Lead Lag applications.
off
Boiler pump
control *
Switches Boiler pump (Pump B) control from Automatic to ON. Auto
Boiler pump
overrun time * Amount of time the Boiler pump (Pump B) will continue to run after burner
shutdown. Range 0 to 1080 minutes.
30 sec
DHW pump
control *
Switches DHW pump (Pump A) control from Automatic to ON. Auto
DHW pump
overrun time * Amount of time the DHW pump (Pump A) will continue to run after a DHW
demand ends. Range 0 to 1080 minutes.
10 sec
* = Password protected
CH pump control
CH pump overrun time
CH pump use for LL Master
Boiler pump control
Boiler pump overrun time
DHW pump control
DHW pump overrun time
Auto
0 sec
off
Auto
30 sec
Auto
10 sec
Pump Config