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Idiomas disponibles
Idiomas disponibles
II.10 Additional information
II.10.1 FNR accessory - Forced Noise Reduction
The FNR accessory allows a variable acoustic layout of the unit, managing the silence in chiller mode according to the specific user needs
The accessory is available for EQPI3X units duly equipped with some of the accessories described in the table below.
Polyvalent units
ADVANCE range
EQPI3X 270÷2100
EQPI3X 2115-2130
The unit is quietly controlled according to 3 modes that can be selected by acting on the control panel on the machine, using digital input and / or pro-
gramming time slots.
The type of FNR mode (FNR1 or FNR2), activated by digital input, must be defined via the control panel. For the configuration of the digital input, refer to
the manual "Commands and controls".
Unit operation with standard logic (X version) but with better "soundproofing"
FNR1 - Request to reduce noise at certain times of the day, night, etc. maintaining the "guaranteed supplied power" priority
FNR2 - Request to reduce noise at certain times of the day, night, etc. maintaining the "guaranteed max noise" priority
EQPI3X
Mandatory ACCESSORY
FNR
FNR
Mandatory ACCESSORY
for soundproofing compressors
INS
INS
(*) Performance and noise declared at the nominal operating conditions
(water in/out 12/7°C and air temperature 35°C)
EQPI3X units with FNR accessory operate in super-silenced mode with
performance and operating limits of the respective EQPI3XS. For
outdoor air temperatures exceeding the operating limits (refer to the
section of the operating limits for more details), the units lose silence and
guarantee the functions of the respective EQPI3X.
EQPI3X units with FNR accessory operate in super-silenced mode with
performance and operating limits (see operating limits section for fur-
ther details) of the respective EQPI3XS thus guaranteeing quiet running
throughout their whole work range.
Mandatory ACCESSORY to
adjust the fan speed
-
FI10 (Standard) or FI15
EN
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