Carel pRack pR300T Manual Del Usuario página 32

ENG
Pump modulating output (%)
100
Set-point
Parameter Min.speed HR on can be used to specify a minimum operating percentage when heat recovery
is active.
The pump can also be started when heat recovery is not active. The user can specify duty cycles based on an
ON time and an OFF time. During the ON time, the pump will operate at the set percentage (if modulating).
+030220595 - 1.0 - 27.01.2016
Set-point +100/K
p
Fig. 2.d
Screen Eeab12 can be used to enable the pump duty cycles
when heat recovery is not active, and the corresponding ON
and OFF times.
If a fl ow switch is available for measuring water circulation,
this can be connected to the pRack and confi gured on screen
Eeaa10. If the pump is active and the fl ow switch measures
no fl ow, an alarm will be signalled.
12
Temperature differential (° C)