Refrigeration – With indicator or tester – Diverse function indicators or testers
Patent
1994-12-07
1996-06-04
Tanner, Harry B.
Refrigeration
With indicator or tester
Diverse function indicators or testers
236 51, 165 22, 62175, F24F 1102
Patent
active
055222307
DESCRIPTION:
BRIEF SUMMARY
[TECHNICAL FIELD]
This invention relates to a driving control device for an air conditioner with a plurality of air conditioning control systems, in particular, relates to measures for indication in an integral control unit.
[BACKGROUND ART]
In conventional air conditioners, as shown in the Japanese Patent Laying Open Gazette No. 3-213941, a plurality of indoor control units for controlling respective indoor units are connected to an outdoor control unit for controlling an outdoor unit via branch control units, and a remote control is connected to the indoor control units, in which temperature setting and driving mode are switched by the remote control.
In addition, a group of the indoor control units connected to each branch control unit control air conditioning in the same driving mode. Since a plurality of remote controls may be connected to each group of the indoor control units, an option to switch the driving mode can be set to one of the remote controls, i.e., one of the indoor control units, so that the driving mode can be switched only by the remote control having the above option.
In the above-mentioned air conditioner, the remote control is connected to the indoor control unit to switch the driving mode and the like and indicates the present driving mode. Thus, the air conditioner has a disadvantage in operability.
In detail, recently, the number of indoor units to be provided in a single air conditioner has been increased so that the desire to control many indoor units at a single place has grown. In particular, there is a case where a plurality of outdoor units are provided. In this case, just indicating the option to switch the driving mode by the remote control as in the conventional device invites a problem of the impossibility of integral management.
More specifically, in the integral management of air conditioning, it is required to recognize which outdoor control unit each indoor control unit belongs to and which indoor control unit has the option for switching the driving mode. A new driving control device having the ability of the above recognitions has been desired.
This invention has been made in view of the forgoing problems and has its object of integrally managing the air conditioning control systems to which respective user-side control units belong and the options for switching the driving mode.
To attain the above object, this invention is designed to indicate in an integral control unit the air conditioning control system to which the user-side control units belong and the option for switching the driving mode.
In detail, as shown in FIG. 1, a subject of claim 1 of the present invention is a driving control device for an air conditioner having: a plurality of air conditioning control systems (12, 13) each so formed that a plurality of user-side control units (3) are connected to a thermal source side control unit (2) via a transmission line (11); and an integral control system (15) so formed that an integral control unit (4) is connected to all the user-side control units (3) via a transmission line (14).
Further, there is provided an option means (53) for setting, to any one of the user-side control units (3) of each of the air conditioning control systems (12, 13), an option which enables a switching operation of a driving mode of the air conditioning control system (12, 13).
Furthermore, in each of the user-side control units (3), there is provided an:option transmitting means (36) for outputting an option holding signal when the option is set to the user-side control unit (3) by the option means (53).
In addition, the integral control unit (4) is provided with: an indication input means (6a) for inputting an indication instruction for indicating a required user-side control unit (3) out of the user-side control units (3) each having the option; and an indication executing means (43) for indicating the instructed user-side control unit (3) having the option based on the option holding signal transmitted from the option transmitting means (36) of the user-side control un
REFERENCES:
patent: 4682648 (1987-07-01), Fried
patent: 4811897 (1989-03-01), Kobayashi et al.
patent: 5279458 (1994-01-01), DeWolf et al.
Shima Kiyoshi
Tamakoshi Kouichiro
Daikin Industries Ltd.
Ferguson Jr. Gerald J.
Tanner Harry B.
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