Engineering manual - UniSAB III 1.10.8
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001930 en 2021.06
Service
The Automatic service interval calculation is only available for certain compressors. See list in the begin-
ning of this subsection.
All other screw compressors (that means the old Sabroe, Stall and VMY types) and reciprocating com-
pressors (that means the old SMC Mk 1, Mk 2, Mk 3 and CMO Mk 1 models) are not part of this Auto-
matic service function.
Service interval
If Automatic service is set to No you must enter a manual value for the main service C or D interval. The
default value is 30,000 hours.
If Automatic service is set to Yes you need not set this parameter as UniSAB III will automatically set the
optimal service interval.
Hours since main
It is possible to key in the elapsed time, in hours, since the last main service C or D has been made on
this compressor. This entry can be used after the service maintenance program has been installed on a
compressor that has been running for some time, or if the controller module has been replaced and serv-
ice data lost.
Service phone
Here you can enter the JCI branch phone number, e.g. +381 11 311 9118.
+
3 8 1 1 1 3 1 1 9 1 1 8
Enter phone number with the and keys and change digit number with the and keys.
Last service alarm ack
UniSAB III will issue the alarm Compressor service needed contact JCI Service 1000 hours, 200 hours
and 0 hours before a scheduled main service. This alarm can be acknowledged with password level
Superuser or Supervisor (Johnson Controls).
If the alarm is acknowledged with Superuser password (User) it will repeat up to three times, i.e. 1000,
200 and 0 hours before service.
When the alarm is acknowledged the first time 1000 hours before service it will be repeated 200 hours
before service. When the alarm is acknowledged the second time 200 hours before service it will be re-
peated again 0 hours before service. In both cases, when acknowledging with Superuser password, the
service counter Next main service C or D and the start counter Starts since main will continue to count.
When the alarm is acknowledged the third time 0 hours before service the service counter Next main
service C or D and the start counter Starts since main will be reset to zero.
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