45
Corrosion protection, traditional coils 3A Fins made of pre-treated aluminium (polyurethane and
epoxy)
30RQS/RQSY
5B Low temperature chilled water production down to 0°C
processes
30RQS/RQSY
6B Low temperature chilled water production down to
-15°C with ethylene glycol and -12°C with propylene
processes
30RQS/RQSY
Very low noise level 15LS Acoustic compressor enclosure and low-speed fans Noise emission reduction at reduces fan speed 30RQS
Very low noise level 15LS Acoustic compressor enclosure Compressor noise emission reduction
23B
Prevents pollution of the air-heat exchanger
Soft Starter 25 Electronic starter on each compressor Reduced start-up current 30RQS/RQSY
Winter operation down to -20°C* Fan speed control via frequency converter
30RQS
Frost protection down to -20°C 42 Electric heater on the hydronic module Hydronic module frost protection at low outside temperatures 30RQS/RQSY
Partial heat recovery
Production of free high-temperature hot-water simultaneously with
chilled water production (or hot water for Heat pump)
30RQS/RQSY
Master/slave operation
master/slave operation of two units connected in
parallel
Optimised operation of two units connected in parrallele operation
with operating time equalisation
30RQS/RQSY
Main disconnect switch without fuse 70 Factory-installed main electric disconnect switch in the
Ease-of-installation and compliance with local electrical regulations 30RQS/RQSY
HP single-pump hydronic module 116R
details, refer to the dedicated chapter (expansion tank
Easy and fast installation (plug & play) 30RQS/RQSY
HP dual-pump hydronic module 116S
details, refer to the dedicated chapter (expansion tank
Easy and fast installation (plug & play) 30RQS/RQSY
LP single-pump hydronic module 116T
details, refer to the dedicated chapter (expansion tank
Easy and fast installation (plug & play) 30RQS/RQSY
LP dual-pump hydronic module
details, refer to the dedicated chapter (expansion tank
Easy and fast installation (plug & play) 30RQS/RQSY
116V
30RQS/RQSY
116W
For more details, refer to the dedicated chapter
30RQS/RQSY
J-Bus gateway
JBus protocol
system
30RQS/RQSY
Lon gateway
Lon Talk protocol
system
30RQS/RQSY
Two-directional high-speed communication using
30RQS/RQSY
156a
30RQS/RQSY
Electric heaters management
additional inputs/outputs in order to manage up to 4
externals heating stage (electrical heaters…)
30RQS/RQSY
Compliance with Russian regulations Conformance with Russian regulations 30RQS
Evaporator screw connection sleeves 264 Evaporator inlet/outlet screw connection sleeves Allows unit connection to a screw connector 30RQS/RQSY
Welded evaporator water connection kit 266 Victaulic piping connections with welded joints Easy installation 30RQS/RQSY
reducing electromagnetic interferences
with option 5B, 6B
or
reducing electromagnetic interferences
30RQS/RQSY
with option
116V or 116W
Expansion tank
(require option 116)
Easy and fast installation (plug & play), & Protection of closed water
systems from excessive pressure
30RBS/RQSY
311 Connections to allow a 4-20mA signal input
external signal
30RQS/RQSY
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