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YUTAKI CASCADE CONTROLLER
8.13.3.8 Heat Pump configuration
Water pump configuration:
Configure the water pump of the heat
pump.
See detailed information in the next page.
Minimum OFF time: In order to reduce
a possible compressor damage,
demand OFF cycles can be reduced
by determining the time that must pass
before accepting new Demand ON.
Seizure protection:
The pump seizure protection function
prevents sticking of components due to
long periods of inactivity, by running the
components during a short period every
week. Mixing valves and pumps are fully
opened and then fully closed (time depends
on Mixing valve Run Time Factor).
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PMML0575 rev.1 - 09/2021
Outdoor average temperature:
OTC average is used to neutralise the effect of
occasional temperature variations.
The average value of outdoor temperature
sampled over a selected period (between 1 and
24 hours) is used for the calculation of weather-
dependent set point temperature.
Minimum ON time: In order to reduce a
possible compressor damage, demand ON
cycles can be reduced by determining the time
that must pass before accepting new Demand
OFF.
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