153
ACCESSORIES
INSTALLATION
4
ACCESSORIES
4.1
List of accessories
Find below some of the accessories available for the
R
NXC-NXH
series devices.
9
Accessories must be ordered with the unit. It is not possible to order them separately as they must be assembled by the
manufacturer.
Options
Description
Benefits
NXC
NXH
Low noise
version
Soundproofing booth for compressor and low
speed fans
Reduced noise emissions
with reduced fan speed
ALL MODELS
ALL MODELS
Protection
grilles
Metallic protection grilles
Coil protection against
possible shocks
ALL MODELS
NO (*)
Soft starter
Electronic starter on each compressor
Reduced inrush current
ALL MODELS
ALL MODELS
Partial heat
recovery
Unit equipped with desuperheater on each
refrigerant circuit
Simultaneous produc-
tion of high temperature
domestic hot water and
chilled water (or hot wa-
ter for the heat pump).
ALL MODELS
ALL MODELS
Master/slave
operation
Unit equipped with additional leaving water
temperature probe to be installed on site
that enables the master/slave operation of 2
units connected in parallel
Optimised operation of
two units connected in
parallel with execution
time levelling.
ALL MODELS
ALL MODELS
HP single pump
hydronic module
High pressure single water pump, water
filter, water flow electronic control, pres-
sure transducers. For further details, refer to
the dedicated chapter (expansion tank not
included. Option available with integrated
safety hydraulic components).
Quick and easy installa-
tion (plug & play)
ALL MODELS
ALL MODELS
HP double pump
hydronic module
High pressure double water pump, water
filter, water flow electronic control, pres-
sure transducers. For further details, refer to
the dedicated chapter (expansion tank not
included. Option available with integrated
safety hydraulic components).
Quick and easy installa-
tion (plug & play)
ALL MODELS
ALL MODELS
Single pump
hydronic
module, HP var-
iable speed
High pressure single water pump with speed
variator (VSD), water filter, water flow elec-
tronic control, pressure transducers. Multiple
water flow control possibilities. For further
details, refer to the dedicated chapter (ex-
pansion tank not included. Option available
with integrated safety hydraulic compo-
nents).
Quick and easy instal-
lation (plug & play),
significant pumping
energy savings (over two
thirds), precise control of
the water flow rate, im-
proved system reliability
ALL MODELS
ALL MODELS
HP variable
speed double
pump hydronic
module
High pressure double water pump with
speed variator (VSD), water filter, electronic
flow switch, pressure transducers. Multiple
water flow control possibilities. For further
details, refer to the dedicated chapter (ex-
pansion tank not included. Option available
with integrated safety hydraulic compo-
nents).
Quick and easy instal-
lation (plug & play),
significant pumping
energy savings (over two
thirds), precise control of
the water flow rate, im-
proved system reliability
ALL MODELS
ALL MODELS
Reinforced ECM
for pump (VFD)
Variable frequency pump drive complying
with class C1 IEC 61800-3
It allows installing the
unit in a residential
domestic environment
reducing the electro-
magnetic interferences
ALL MODELS
with variable
speed pump
option
ALL MODELS
with variable
speed pump
option
Backup tank
module
It integrates a backup tank module
It avoids compressors'
short cycle and ensures
constant water in the
circuit
ALL MODELS
ALL MODELS
Anti-vibration
elements
Anti-vibration elastomer elements to be po-
sitioned under the unit
It isolates the unit from
the building and avoids
the transmission of
building vibrations and
noise. It must be coupled
to a flexible connection
on the water side
ALL MODELS
ALL MODELS
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