Compressor Management - Daikin EWWQ-AJYNN Service Manual

ESIE07-05
2.15

Compressor Management

Introduction The compressor sequencing mode determines which circuit starts up first in case of a capacity
demand. It prevents the unit from always starting the same circuit. Also, compressor timers are
implemented to avoid too many compressor starts in 1 hour.
Compressor The compressor sequence of starting up can be selected in the user menu.
sequence
Compressors
Sequencing
Auto / Manual
■
■
Set Compressor Stage
C # 1 1st
C # 3 3rd
Compressor timers The compressor timers are implemented to prevent too many compressor starts.
The time set for the compressor to start is 600 seconds. This is to prevent breakdown of the
compressor.
Min T Between Same
Comp. Starts
Min T Between Diff.
Comp. Starts
Min Time Comp ON
Min Time Comp OFF
Part 2 – Functional Description
Auto: The selection of the compressor sequence will be done by the controller depending on the
running hours.
Manual: The selection of the compressor sequence is fixed according to the entered sequence.
When manual is selected, the following screen will appear.
C # 2 2nd
C # 4 4th
600 s
Diff.
120 s
120 s
180 s
Functional Control
1
2
3
4
5
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