CT-600-2
61
DO no. CN
Rating
Connection
Comment
operation or running. Low = no compressors ready for
operation.
DO 4
CN8
3 A /
250 V
Run signal
Signal from ACP LINK to plant that at least one
compressor is running. High = at least one compressor
running, Low = no compressors running.
DO 5
CN7
3 A /
250 V
Start
permission
HP-LP
Signal from ACP LINK to plant to request start of high
pressure compressor unit(s). Only used on ACP system
for booster application. The ACP system (booster) will
request start of high pressure unit, when the booster
system is required to start (at least one compressor
ready to start and capacity request above minimum for
start-up). High = start request HP enabled. Low = start
request HP disabled. The signal is expected to be used
in the start permission chain for the high pressure
compressor units.
DO 6
CN7
3 A /
250 V
Start request
chiller pump
Signal from ACP LINK to plant to request start of chiller
water/brine pump. This output will be set, when at least
one compressor is running.
DO 7
CN7
3 A /
250 V
Not used
DO 8
CN6
1 A /
250 V
Start signal
motor oil pump
Signal from ACP LINK to electrical panel to request start
of oil pump. Only used on ACP system for booster
application with oil pump. High = start oil pump, Low =
stop oil pump. Signal must be used in the start
permission chain for the oil pump.
DO 9
CN15 3 A /
250 V
Eco system
running
Signal from ACP LINK to plant to inform that at least one
compressor is running with eco operation (eco line
solenoid valve on compressor is open). High = at least
one compressor running with eco line open, Low = no
compressor running with eco line open.
DO 10
CN15 3 A /
250 V
Not used
DO 11
CN15 3 A /
250 V
Not used
DO 12
CN14 1 A /
250 V
Not used
