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TM_i-BX(-N)_NC05_00_06_20_EN
4.9
FAN
By accessing the masks of the pLDPRO interface on board of the unit using the Service password, it is possible to obtain information on the status
of the fan, the condensation or evaporation pressure, and the regulation percentage.
4.9.1
EVAPORATION CONTROL
The fan is managed to control the evaporation based on the pressure, in accordance with the following function:
Speed
High Speed
(131P)
Min Speed
(131N)
4.9.2
CONDENSATION CONTROL
As far as condensation control, i-BX(-N) units have double fan management, in Cooling Mode for i-BX units and in chiller operation for i-BX-N units.
In addition to fan regulation based on the condensation pressure, in chiller operation it is also possible to have regulation based on the external
temperature (alternative to pressure regulation).
4.9.2.1
Regulation based on pressure
MEHITS S.p.A.
●
TECHNICAL MANUAL
100%
Forcing
Prop. band
(1420)
(1419)
Forcing setpoint
(1421)
Speed
100%
High Speed
(131T)
Min Speed
(131R)
Cut-Off
Pr op. band
(1415)
(1414)
Setpoint
(1413)
Pressure
Cut-Off
(1422)
Setpoint (1418)
Forcing
Pressure
(1417)
Forcing setpoint
(1416)
41
Version NC05 - Translation of the Original Instructions
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