NTI TFTN - Page 86

Installation and Operation Manual TFTN 085-199
86
16.3.2.4 Pump Control Settings
Access the Pump Control Settings screen to set the overrun time of the boiler, system, and zone pump outputs, configure
AUX1 & AUX2 PUMP outputs, or to setup the variable speed pump control.
Note: the overrun time for the DHW pump output is configured from the DHW Setup -> Advanced Settings screen.
Figure 16-11 Pump Control Settings Menu
Table 16-10 Pump Control Settings
Setting
Parameter
Range/Description
Factory Setting
Boiler Pump
Overrun (CH)
24.3.2
Sets the post circulation time for the boiler pump following a CH
demand. (Range = 0-255min)
1 min
System Pump
Overrun
24.4.5
Sets the post circulation time for the system pump following a
demand. (Rang = 0-255sec)
NOTE: do not set System Pump Overrun time higher than the Zone
Outputs Overrun time.
0 sec
Zone Outputs
Overrun
7.2.8
Sets how long the zone outputs remain energized following the end of
the respective zone demand. (Range = 0-7200sec)
NOTE: do not set Zone Outputs Overrun time lower than the System
Pump Overrun time.
0 sec
Zone Outputs
Overrun
During DHW
7.2.9
On – allows the Zone Outputs Overrun to occur during a concurrent
DHW demand.
Off – the Zone Outputs Overrun is aborted if a DHW demand occurs.
Off
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