Automatic control address setting type distributively arranged a

Details Automatic control address setting type distributively arranged a Automatic control address setting type distributively arranged a

1993-11-09

1995-01-24

Wayner, William E.

Refrigeration

Processes

Compressing, condensing and evaporating

62175, 165 22, 236 51, F25B 700, F24F 300

Patent

active

053833368

ABSTRACT:
A distributively arranged air conditioner group apparatus includes plural groups of air conditioners distributively arranged at remote locations wherein each group consists of a plurality of units on the heat source side and a plurality of units on the utilization side located remote from each other and a single signal line is used for a plurality of communication signal lines each usable for the purpose of controlling. To prevent a controlling operation from being erroneously performed at the time of an occurrence of signal interference, specific communication addresses are set to the respective units for the purpose of controlling communication among these units. The communication addresses are set for each group immediately after the apparatus is installed or at the time of starting of an operation of the apparatus by utilizing a plurality of heat source pipings extending between the units on the heat source side and the units on the utilization side for each group. For example, the communication addresses are set for each group by utilizing variation of the temperature of a heat source fluid adapted to flow through the units on the utilization side.

REFERENCES:
patent: 4829779 (1989-05-01), Munson et al.
patent: 5265436 (1993-11-01), Murata et al.
patent: 5271453 (1993-12-01), Yoshida et al.
patent: 5279458 (1994-01-01), De Wolf

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