Emerson Dixell iChill IC207D - CAPACITY STEP CONTROL

1592015610 User manual IC200D EVO GB rel1.0 10.11.2015_rev10 IC200D 58/192
15.3 CAPACITY STEP CONTROL
CO06 capacity step operation mode.
To select the right operation mode, please read the compressor technical documentation.
 CO06 = 0 ON/OFF step
Eg: compressor with 3 capacity step.
0% of request
25% of request
50% of request
75% of request
100% of request
Compressor relay
OFF
ON
ON
ON
ON
Capacity step 1
ON*
ON
OFF
OFF
OFF
Capacity step 2
OFF
OFF
ON
OFF
OFF
Capacity step 3
OFF
OFF
OFF
ON
OFF
* If CO07=2 o CO07=3 (screw compressor) 25% valve is ON if the Ichill is ON and at set poiont reached;
25% valve is OFF if the Ichill is STD-BY or OFF
 CO06 = 1 direct action
Eg: compressor with 3 capacity step.
0% of request
25% of equest
50% of request
75% of equest
100% of request
Compressor relay
OFF
ON
ON
ON
ON
Capacity step 1
ON*
ON
ON
ON
OFF
Capacity step 2
OFF
OFF
ON
ON
OFF
Capacity step 3
OFF
OFF
OFF
ON
OFF
* If CO07=2 o CO07=3 (screw compressor) 25% valve is ON if the Ichill is ON and at set poiont reached;
25% valve is OFF if the Ichill is STD-BY or OFF
 CO06 = 2 inverse action
Eg: compressor with 3 capacity step.
0% of request
25% of equest
50% of request
75% of equest
100% of request
Compressor relay
OFF
ON
ON
ON
ON
Capacity step 1
ON*
ON
ON
ON
OFF
Capacity step 2
OFF
ON
ON
OFF
OFF
Capacity step 3
OFF
ON
OFF
OFF
OFF
* If CO07=2 o CO07=3 (screw compressor) 25% valve is ON if the Ichill is ON and at set poiont reached;
25% valve is OFF if the Ichill is STD-BY or OFF
 CO06 = 3 Continuous steps and direct action
Eg: compressor with 3 capacity step.
0% of request
25% of equest
50% of request
75% of equest
100% of request
Compressor relay
OFF
ON
ON
ON
ON
Capacity step 1
ON*
OFF
ON
ON
ON
Capacity step 2
OFF
OFF
OFF
ON
ON
Capacity step 3
OFF
OFF
OFF
OFF
ON
* If CO07=2 o CO07=3 (screw compressor) 25% valve is ON if the Ichill is ON and at set poiont reached;
25% valve is OFF if the Ichill is STD-BY or OFF
ATTENTION
When working with capacity control in sequential step in direct or reverse modes: if the power requested is
50% and 75% the unit turn on also the step 25% that must be enabled to make run the other two.