Airedale Ultima Compact FreeCool 30kW - 450kW - Manual (Page 11)

Chillers ULTIMA COMPACT
Chillers
11
Technical Manual : Part No 6259543 TM E_1.3.0 04/2013
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.
Display/Keypad 5 3 6
2 1
4
08:44 13/05/02 Mst
Remote 0-10V Input
Signal Voltage 05.6V
Unit ON
7
Esc Prg
1 UP/DOWN KEYS
To change Adjustable Fields & Scrolls
up & down available Menus
2 ENTER
Selects Menus & Moves Cursor to
Adjustable Fields Green LED
3 ESC
Green LED lit when Operating Page
displayed, Returns to Operating Page
Screen when pressed
4 PROGRAM
Opens the Available Menus
5 ALARM
Red LED Indicates Alarm Present
6 4 ROW LCD DISPLAY
7 CURSOR (FLASHING): Top Left
Position = “HOME” Indicates adjustable
Fields
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.
Pump(s) Remote
ON/OFF Disables/Enables the pump(s) remotely.
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.
Pumps Hours Run Displays hours run of each pump.
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.