Other equipment associated with the ACI system can be installed with the boiler on line, as it does not require any interfacing with the boiler and should not require moving any essential boiler equipment.
The ACI system, although physically separate, is definitely important to the operation of the boiler.
mnli hypothesis: The ACI system, although physically separate, is definitely important to the operation of the boiler. premise: Other equipment associated with the ACI system can be installed with the boiler on line, as it does not require any interfacing with the boiler and should not require moving any essential boiler equipment.