Alarm handling, Deltachill ™ chillers – Airedale DeltaChill FreeCool 110kW - 1080kW User Manual
Page 12
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DELTACHILL
™
Chillers
12
Chillers
Technical Manual : 7022932_V1.9_11/2013
Controls
Monitoring
The microprocessor also monitors and displays the following measured parameters:
Supply Water Temperature
Return Water Temperature
Suction Pressure of each circuit
Liquid Pressure of each circuit
Suction Temperature at each circuit
Superheat for each circuit
Alarm Handling
The controller logs and allows viewing of the last 100 conditions recorded in descending
chronological order through the keypad display.
The following conditions will be detected, triggering a visual display:
Common for both circuits (Dual Circuit units):
Low Supply Temperature
Emergency Stop
Water Flow
Pump(s) status
Pump(s) remote start
Volt Free Contact Alarm Indication
Individual for each circuit:
Individual alarms will isolate the affected circuit only.
Compressor Trip
Low Suction Pressure for each circuit
High Liquid Pressure for each circuit
Low Pressure Switch
Compressor Overload
High Compressor Discharge Temperature
Networking
A Local Area Network (
) can be used to connect a number of chiller controllers to
offer intercommunication and sequence control. There is also the facility to allow the
connection of either a computer or modem for local or remote monitoring.
For further
details, please contact Airedale.
CAUTION
When adding to an existing network, please consult Airedale to ensure
strategy compatibility.