WATER-COOLED SCREW CHILLERS 30XWH 254-1762
Options
Options
No.
Description
Advantages
Use 30XWH
Medium-temperature brine
solution
5
Covers specific applications such as ice storage
and industrial processes
Only sizes
512/562/1012/1154
Low-temperature brine
solution
6
Covers specific applications such as ice storage
and industrial processes
Only sizes
512/562/1012/1154
Light-brine solution, down
to -3°C
8
Implementation of new algorithms of control and
evaporator redesign to allow chilled brine solution
production down to -6°C when ethylene glycol is
used (-3°C with propylene glycol)
Implementation of new algorithms of control and
evaporator redesign to allow chilled brine solution
production down to -12°C when ethylene glycol
is used (-8°C with propylene glycol)
Implementation of new algorithms of control
to allow chilled brine solution production down
to -3°C when ethylene glycol is used (0°C with
propylene glycol)
The unit is equipped with flanges that allow
disassembly of the unit on site
Unit equipped with supplementary water outlet
temperature sensor kit to be field-installed
allowing master/slave operation of two units
connected in parallel
Unit power connection via one main supply
connection
Unit without disconnect switch, but with shortcircuit protection device
Matches with most application requirements for
ground-sourced heat pumps and fits with many
industrial processes requirements
254-1762
Facilitates installation in plant rooms
with limited access
Optimised operation of two chillers connected in
parallel with operating time equalisation
Only sizes
1612/1652/1702/1762
254-1762
Quick and easy installation
1002-1762
Permits an external electrical disconnect system
for the unit (field-supplied), while ensuring unit
short circuit protection
Quick and easy installation: the control
of fixed speed pumps is embedded in the unit
control
Quick and easy installation: the control
of fixed speed pumps is embedded in the unit
control
Quick and easy installation: the control
of fixed speed pumps is embedded in the unit
control
Minimizes thermal dispersions condenser side
(key option for heat pump or heat recovery
applications) and allows compliancy with special
installation criteria (hot parts insulated)
Allow isolation of various refrigerant circuit components for simplified service and maintenance
Easy to install, depending on site. Reduced
pressure drops
Easy to install, depending on site. Reduced
pressure drops
Covers applications with a high water column
evaporator side (typically high buildings)
254-1762
82A
Evaporator pump electrical
power / control circuit
84
Unit equipped with an electrical power and
control circuit for one pump evaporator side
Evaporator dual pumps
electrical power / control
circuit
Condenser pump electrical
power / control circuit
84D
Unit equipped with an electrical power and
control circuit for two pumps evaporator side
84R
Unit equipped with an electrical power and
control circuit for one pump condenser side
Condenser insulation
86
Thermal condenser insulation
Service valve set
92
Liquid line valve (evaporator inlet) and compressor suction line valve
100C Evaporator with one pass on the water side.
Evaporator inlet and outlet on opposite sides.
102C Condenser with one pass on the water side.
Condenser inlet and outlet on opposite sides.
104
Reinforced evaporator for extension of the
maximum water-side service pressure to 21 bar
(standard 10 bar)
104A Reinforced condenser for extension of the
maximum water-side service pressure to 21 bar
(standard 10 bar)
107
Evaporator with reversed water inlet/outlet
Evaporator with one pass
Condenser with one pass
21 bar evaporator
21 bar condenser
Reversed evaporator water
connections
Reversed condenser water
connections
JBus gateway
Easy installation on sites with specific requirements
107A Condenser with reversed water inlet/outlet
Easy installation on sites with specific requirements
148B Two-directional communication board complying Connects the unit by communication
with JBus protocol
bus to a building management system
148D Two-directional communication board complying Connects the unit by communication
with Lon Talk protocol
bus to a building management system
149
Two-directional high-speed communication using Easy and high-speed connection by ethernet line
BACnet protocol over Ethernet network (IP)
to a building management system. Allows access
to multiple unit parameters
150
Optimized compressor for operation at high
Increased condenser leaving water tempecondensing temperature
rature up to 63°C. Allows applications with
high condensing temperature (heat pumps,
installations with not generously sized dry-coolers
or more generally, installations with dry-coolers
in hot climate). NOTE: to ensure control of the
condenser leaving water temperature, this option
must be fitted with 30XWH units.
LON gateway
Bacnet over IP gateway
High condensing temperature
C
A
R
R
I
E
R
Covers applications with a high water column
condenser side (typically high buildings)
2
0
1
6
/
2
0
1
7
252-1252, 1314
252-1252, 1314
HEATING
81
252-1252, 1314
254-1762
254-1762
254-1762
254-1762
AIR TREATMENT
Single power connection
point
No disconnect switch, but
short circuit protection
254-1762
254-1762
254-1762
254-1762
254-1762
254-1762
254-1762
254-1762
CONTROLS
Unit supplied in two assem- 51
bled parts
Master/slave operation
58
549