Accessories - AERMEC WSA Serie Manual Técnico De Instalación Y Mantenimiento

- Programmable timer function
- Function with double setting point
connected to an external contact
- Interfaceability with the Modbus
protocol (accessory)
- Pump/s control
- Compressor rotation control
- Analogue input from 4 to 20 mA
- Outside air temperature sensor
- "Always Working" function. In the
case of critical conditions (e.g. an
ambient temperature that is too
AER485P2
AK
Only "L" version
AVX
PRV
ROMEO
RIF
400V - 3 - 50Hz
MULTICHILLER
(1) Accessory that can only be installed in the factory
high) the machine does not stop but
is able to regulate itself and provide
the maximum power that can be
generated in those conditions.
- Self adapting operating differential
"Switching Histeresys" to ensure the
correct compressor functioning at
all times even in plants with a low
water content or insufficient flow
rates.
This system reduces the
compressor wear

ACCESSORIES

6
0701 0801 0901
Through this accessory it is possible to connect the unit with BMS supervision systems with
electrical standard RS 485 and MODBUS type protocol.
• • •
AK - Acustic Kit This accessory allows to reduce noise further by means of:
- Unit soundproof cover optimised using high density material without lead that allows to redu-
(1)
ce vibrations even more.
L L L
Vibration damper supports to the spring.
° 651 652 652
E 668 668 668
D 651 652 652
DE 668 668 668
T 652 655 655
This allows the refrigerator command operations to be given from a distance.
• • •
The ROMEO device makes it possible to remotely control the chiller from an ordinary cell pho-
ne with WAP browser, it also makes it possible to send alarm and prealarm SMS to up to three
GSM cell phones even if they are not fitted with the WAP browser. The set includes the AER485.
The accessory AER485P2 must be added to this kit.
• • •
Parallel connection with the motor makes the reduction of input current possible.
(1)
161 161 201
Control system to command, turn on and off the individual chillers in a system in which se-
veral units are installed in parallel. It is possible to select it among different command logics:
sequential, homogenous, combined. The accessory is delivered in IP65 box.
• • •
- The PDC "Pull Down Control"
system to prevent the activation of
the power steps when the water
temperature is approaching the set
point quickly.
It optimises the operation of the
m a c h i n e b o t h w h e n r u n n i n g
normally or when there are load
variations, thereby assuring top
machine efficiency in all situations.
1101 1402 1602 1802
• • • •
L L L L
656 658 658 659
669 670 670 670
654 658 659 659
669 670 670 670
657
662 662 662
• • • •
• • • •
241 161x2 161x2 201x2 201+241 241x2 301x2 301x2
• • • •
2002 2202 2502 2802
• • • •
L L L L
667 661 661 661
671 672 672 672
667 661 661 661
671 672 672 672
663 664 664 664
• • • •
• • • •
• • • •
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