HRX-OM-Q026
Chapter 5 Display and Setting of Various Functions
5.18 Warming Up Function HRSH Series
5-42
5.18 Warming Up Function
5.18.1 Warming up function
This function maintains the circulating fluid temperature to the set
warming-up temperature with heat generated by automatically
operating the pump in the winter season or at night.
When the time required for increasing the temperature of the
circulating fluid needs to be shortened at startup, set this function ON
in advance.
● The pump automatically keeps operating until the circulating fluid
temperature becomes 2
o
C higher than the set warming up temperature.
● The pump automatically stops operating when the circulating fluid
temperature becomes 2
o
C higher than the set warming up temperature.
● The pump automatically restarts operating when the circulating fluid
temperature decreases 2
o
C lower than the set warming up temperature.
When the warming up function is set ON, the [RUN] light repeats turning ON
for 0.5 seconds and OFF for 3 seconds while it is on standby (when the
pump is not operating).
The [RUN] light blinks every 0.3 seconds during the automatic operation of
the pump.
The default setting of this function is “OFF”.
Note that when the warming up function is ON, the warming up function has
a priority over the anti-freezing function, and the anti-freezing function will
not be activated.
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