Airedale EasiCool 6kW 64kW - Manual (Page 14)

EasiCool™ EZRE Precision Air Conditioning
14 EasiCool EZRE Operational Manual 7610207 V1.0.0_02_2013
O
pe
ra
tion
Unit Operating Parameters
Inputs and outputs can be located by the labels to the microprocessor controller.
Analogue Inputs
X/WX Unit CW Unit
B1 Return air humidity B1 Return air humidity
B2 Condensing Pressure B2 Supply Air Temperature
B3 Coil Temperature B3 Coil Temperature
B4 Not Used B4 Not used
B5 Return Air Temperature B5 Return air temperature
B6 Not Used B6 Not used
Digital Inputs
ID1 Remote on/off ID1 Remote on/off
ID2 Airflow differential pressure switch ID2 Airflow differential pressure switch
ID3 Critical Alarm ID3 Critical Alarm
ID4 Overheat cut-out ID4 Overheat cut-out
ID5 Not Used ID5 Not used
ID6 Low pressure safety switch ID6 Not used
ID7 Compressor 1 status alarm ID7 Not used
ID8 Compressor 2 status alarm ID8 Not used
Analogue Outputs
Y1 Main Fan Speed Controller
Option 2 / EC Fans
Y1 Main Fan Speed Controller
Option 2 / EC Fans
Y2 Thyristor Heating Y2 Thyristor Heating
Y3 Main Fan Speed Controller Option 1 Y3 Main Fan Speed Controller Option 1
Y4 Condenser Fan Speed Controller Y4 Chilled Water Valve
Digital Outputs
NO1 Compressor 1 NO1 Open CW Valve
NO2 Compressor 2 NO2 Close CW Valve
NO3 Not Used NO3 Not Used
NO4 HGRH / Heat Stage 1 / LPHW Valve Open NO4 Heat Stage 1 / Open LPHW Valve
NO5 Heat Stage 2 / LPHW Valve Close NO5 Heat Stage 2 / Close LPHW Valve
NO6 Heat Stage 3 NO6 Heat Stage 3
NO7 Not Used NO7 Not Used
NO8 Common Alarm NO8 Common Alarm
CAUTION
Inputs or outputs not required will not be connected nor will they appear on the display keypad.
SERVICE INDICATOR
The maintenance of key components such as compressors, fans and air filters can be monitored via a service indicator
which visually demonstrates the status relative to the component service intervals.
Inputs and outputs can be located by the labels to the microprocessor controller.