York Millennium YDAS 410 Installation Operation & Maintenance page 119

NOTE: It is recommended that YDAS chillers are pro-
grammed for % Slide Valve control as this will
provide better balancing between compressor
groups.
NOTE: After selecting the lead compressor, the micro
will determine the starting sequence of the re-
maining two compressors. The sequence pos-
sibilities are as follows:
LEAD
COMPRESSOR
COMPRESSOR
SELECT
1
2
3
NOTE: It is often easier to select Default Setpoints and
then reprogram a few that require changing
rather than programming each individual value
from scratch.
2ND 3RD
COMPRESSOR
2 3
3 1
1 2