Extra Load (Vers. >=4.0.0); Conditions For Enabling; Conditions For Activation - Carel pRack pR300T Mode D'emploi

5.
If SEQUENTIAL mode is selected, a "fake" additional load can be configured (evaporator not used as a unit, at
times integrated into the condenser) in on/off or modulating mode

5.1 Conditions for enabling

Extra load management is only available in SEQUENTIAL mode.
Extra load management is only available if the gas cooler bypass function is activated.
Defrosting of the load can also be taken into account (typically managed by MPXPro). The related settings are
only available once the digital input relating to defrost status has been configured.

5.2 Conditions for activation

Note: in the event of ON/OFF management of the gas cooler bypass, the condition is equivalent to the active
bypass.
EXTRA LOAD (VERS. >=4.0.0)
Once extra load management has been enabled, the
behaviour of the fans when the function is active can be
defined, setting the activation percentage. The following
options are available:
•
Normal operation (fans follow the control signal): set the
forcing option to "NO"
•
Forced at fixed speed: set the forcing option to "YES" and
set the fan activation percentage (100% default)
If the option is enabled and the fans are forced on at a fixed
speed, the fan speed while the defrost is active can also be
defined.
This function is activated if the following conditions are all
true for a settable evaluation time:
•
Heat recovery request > ON threshold (default 95%)
•
Gas cooler bypass > threshold (default 50%)
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ENG
cod. +030220595 - 1.2 - 13.08.2020