Airedale Ultima Remote Air Cooled 75kW - 450kW - Manual (Page 12)

ULTIMA
™ REMOTE AIR COOLED
Chillers
12
Chillers
Technical Manual : Part No 6259485 V1.6.0_07_2014
Design Features & Information
- CONTROLS
General Description The microprocessor controller offers powerful analogue and digital control to meet a wide
range of monitoring and control features including a real time clock and Industry standard
communication port and network connections.
The controller’s inbuilt display is used for viewing the unit operating status and making
adjustments to control parameters by allowing the operator access to a series of
display pages.
Also featured are a visual alarm and the facility to adjust and display control settings by
local operator for information and control.
FEATURES
Unit Remote ON/OFF Disables/Enables the chiller remotely.
Compressor Anti Cycle
Control Automatic via the Microprocessor.
Compressor Load Limit Limits the condensing pressure by unloading above 24Barg.
Limits the evaporating pressure by unloading at the minimum pressure setpoint, which is,
adjustable depending on system glycol content.
Remote Setback
Temperature Setpoint
Switch A setback setpoint for supply water temperature can be selected to suit summer/winter
conditions or night setback.
Compressor Hours Run Displays hours run of each compressor.
Password Protection The control system integrity can be maintained by restricting access with a password
PIN number.
CAUTION IMPORTANT: To change the PIN number, please contact Airedale at time of order
with the preferred 4 digit number.