Airedale Ultima Compact FreeCool 30kW - 450kW - Manual (Page 8)

ULTIMA COMPACT Chillers
8
Chillers
Technical Manual : Part No 6259543 TM E_1.3.0 04/2013
General Description
OPTIONAL EXTRAS - GENERAL - ALL MODELS
Water Filter A 20 mesh water filter can be factory fitted on the inlet water pipework to protect the
evaporator from clogging by sediment.
Differential Pressure
Switch Facilitates low flow limiting and pressure drop monitoring via the microprocessor.
Remote Setpoint Adjust Allows the chilled water setpoint to be adjusted via an external 0-10V signal.
Flushing Bypass Kit
(Standard)
Comprises:

Shut off valves
Factory fitted to protect the evaporator from clogging by sediment and to enable the water
system to be purged before running.
Flushing Bypass Kit
(Regulating)
Comprises:

Shut off valves

Double regulating valve
Factory fitted to protect the evaporator from clogging by sediment and to enable the water
system to be purged before running.
The regulating Flushing Bypass Kit additionally allows the chiller to run with a lower

T
(typically for chilled beam and/or high water temperature applications).
Internal Pumps
Packages Integral pumps may be fitted, standard or larger sizes selected to suit installed system
requirements. The following configurations are available:
Single Head Pump
Factory fitted with electrical switchgear and isolating
valve.
Twin Head Pump
Factory fitted with common inlet and outlet connections
and twin motor and pump impellers. Featuring automatic
changeover via a paddle switch, electrical switchgear and
isolating valve.
Single Head Run/Standby
Pumps
Factory fitted Dual pumps with shut off valves on the inlet
and outlet and non-return valves on the outlet in
automatic changeover configuration. Supplied with
electrical switchgear and isolating valve.
The microprocessor can be programmed to automatically
rotate usage of the run/standby pumps to a set period.
For further details, refer to Optional Flow Schemes .
Mini Pressurisation
Package Integral package automatically monitors and adjusts operation of a separate make-up
pump to ensure a constant minimum system water pressure (typically 2.5 Barg),
factory fitted.
Buffer Tank & Expansion
Vessel An integral water buffer vessel and expansion vessel can be factory fitted on systems
where low water volume may be a problem.
All vessels and pipework are trace heated.
Commissioning Station
& DRV A commissioning valve set which includes a double regulating valve and a metering
station can be factory fitted.
Alternative Refrigerant For applications outside the EU, units can be supplied for use with R22, please specify at
time of order.
Commissioning Airedale Service provides a full commissioning service carried out by professionally
trained, industry experienced engineers. For a competitive quotation, please contact
Airedale Customer Services.
Chillerguard® In addition to commissioning, a 24 hour, 7 days a week on-call service is on available
throughout the year. This service will enable customers to contact a duty engineer outside
normal working hours and receive assistance over the telephone. The duty engineer can,
if necessary, attend site, usually within 24 hours or less. Full details will be forwarded on
acceptance of the maintenance agreement.