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The Digital Controller For Large chillers ESIE 05-07
2–154 Part 2 – Functional Description
3
1
2
4
5
Screen 9 This screen shows the status of the relay outputs of compressor 1.
Screen 10 This screen shows the status of the relay outputs of compressor 2.
Screen 11 This screen shows the status of the relay outputs of the fans from circuit 1.
Only for air-cooled units with 3 step fans
For units with inverter driven fans
Line n° Display Description Possible settings
1 RELAY OUTPUTS Screen title.
2 C1(12%): Indicates if the 12% coil is energized N or Y
3 C1: CAPUP DOWN: Indicates if the compressor is loading
up or loading down
N or Y
4 C1 Feedback: Gives the feedback from the compres-
sor control motor
± 30 = 0% cap
± 120 =
100% cap
Line n° Display Description Possible settings
1 RELAY OUTPUTS Screen title
2 C2(12%): Indicates if the 12% coil is energized N or Y
3 C2: CAPUP DOWN: Indicates if the compressor is loading
up or loading down
N or Y
4 C2 Feedback: Gives the feedback from the compres-
sor control motor
± 30
= 0% cap
± 120 =
100% cap
Line n° Display Description Possible settings
1 RELAY OUTPUTS Screen title
2 C1 FANSTEP 1 Indicates the status of the fan contac-
tor of circuit 1
Open/closed
3 C1 FANSTEP 2 Indicates the status of the fan contac-
tor of circuit 1
Open/closed
4 C1 FANSTEP 3 Indicates the status of the fan contac-
tor of circuit 1
Open/closed
Line n° Display Description Possible settings
1 RELAY OUTPUTS Screen title
2 C1 FANON/OFF: Indicates the status of the on/off fan
contactor of circuit 1
Open/closed
3 C1 FANINV SP: Indicates the setpoint of the inverter
fans of circuit 1
From 0 to 50 Hz
ESIE05-07.book Page 154 Wednesday, October 11, 2006 10:42 AM

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