Chillers
ULTIMA REMOTE AIR COOLED
Chillers
7
Installation & Maintenance : 6259535 IM E 02/2013
General Description
STANDARD FEATURES
Refrigeration
Each refrigeration circuit is supplied with the following:
Holding charge of nitrogen
Electronic expansion valve
Liquid line ball valve
Discharge line ball valve
Large capacity filter drier with replaceable cores
Liquid line sight glass
Low pressure switch with manual reset via microprocessor controller
High pressure switch with manual reset
Suction and liquid pressure transducers
Pressure relief valve with integral rupture disc and indicator gauge
Controls
As standard, the
microprocessor controller can provide 4 or 6 stages of
capacity control, dependent upon model type.
Optionally, the controller is designed to provide capabilities for;
Building Management Systems
Networking
Sequencing (Master/Slave and Run/Standby)
to meet all your system requirements, please confirm at time of order.
Unit initial set up details can be found in the
Controls
section.
Electrical
Dedicated weatherproof electrical power and controls panels are situated at the end of
the unit and contain:
Separate, fully accessible, controls compartment, allowing adjustment of control
set points whilst the unit is operational
Circuit breakers for protection of all major unit components
Separate, permanent supply for controls/trace heating, 230v/50Hz/1ph
The electrical power and control panel is wired to the latest European standards
and codes of practice
Separate door locking electrical isolation for each mains compartment
OPTIONAL EXTRAS
– ENERGY SAVING
Power Factor
Correction
When applied to the motors of each compressor, the compressor power factor is
controlled to a minimum operating value of 0.95 at the full operating capacity. This
satisfies many supply authorities that may impose surcharges on equipment with power
factor less than 0.95.
