Hitecsa EQPL-B 4360 Manual Del Operador página 75

II.8.7 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 EQPLB-EQPL chillers duly equipped with some of the accessories described in the table below.
ADVANCE SE range of heat
pumps and chillers
EQPLB
EQPHB
ADVANCE HE-A range of heat
pumps and chillers
EQPL
EQPH
The silence of the unit is managed according to 3 modes that can be selected by actuating the control panel on the machine, using digital inputs and/or
programming time bands.
1. Unit operation with standard logic (B-T version) but with better "soundproofing"
SOUND (dBA)
Sound
declared
at nominal
conditions
VERSIONS B - T
with accessory
FI10-FI15 and
box soundproof
2. Request to reduce noise at certain times of the day, night, etc. Maintaining the "guaranteed supplied power" priority
SOUND (dBA)
Sound
declared
at nominal
conditions
Sound in
silent mode
Mandatory ACCESSORY
FNR
FNR
Mandatory ACCESSORY
FNR
FNR
*
air temperature (°C)
fan speed
increased
air temperature (°C)
SECTION II :: INSTALLATION AND MAINTENANCE
Mandatory ACCESSORY for
soundproofing compressors
BCI
BCI-BFI
Mandatory ACCESSORY for
soundproofing compressors
BCI60
BCI60-BFI60
compressor
unloading
(*) Performance and noise declared at the nominal operating
conditions (water in/out 12/7°C and air temperature 35°C)
FNR1 = Open contact
FNR2 = Open contact
compressor
unloading
The EQPLB-EQPHB units work in silence with performance and
operating limits of EQPLBS, respectively. 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 EQPLB-EQPHB.
The EQPL-EQPH units work in super-silenced mode with
performance and operating limits of EQPLBSS- EQPHBSS. 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 EQPL-EQPH.
76
Mandatory ACCESSORY to adjust the
fan speed
FI10 or FI15
FI10 or FI15
Mandatory ACCESSORY to adjust the
fan speed
FI15
FI15