EP 0694150 B1 19990324 - AN AIR-CONDITIONING APPARATUS AND A METHOD OF CONTROLLING ITS OPERATION
Title (en)
AN AIR-CONDITIONING APPARATUS AND A METHOD OF CONTROLLING ITS OPERATION
Title (de)
KLIMAANLAGE UND VERFAHREN ZUR BETRIEBSSTEUERUNG
Title (fr)
APPAREIL POUR LE CONDITIONNEMENT DE L'AIR ET PROCEDE POUR CONTROLER SON FONCTIONNEMENT
Publication
Application
Priority
- FI 9400154 W 19940422
- FI 931848 A 19930423
Abstract (en)
[origin: WO9425804A1] A method for controlling the operation of an air-conditioning apparatus comprising devices (1, 2, 3) for supplying outdoor air (A) into a room (4), for removing indoor air (B) from the room, and for returning removed indoor air as return air (C) into the room; and devices (9, 16, 20) for adjusting the amounts of outdoor air, removed air, and return air. The adjusting devices are adjustable for controlling the mixing ratios between the air amounts according to desired air conditions to be created in the room. To achieve a greater controllability of the apparatus and to improve the accuracy of the mixing ratios, the outdoor air (A) and the return air (C) are passed into the room alternately, and the durations of the open periods of the adjusting devices are adjusted so that a desired mixing ratio is achieved between the amounts of outdoor and return air in the room. An air-conditioning apparatus developed for applying the method comprises operating means (22) arranged to open the adjusting devices (9, 20) of an outdoor air duct (5) and a return air duct (19) alternately for the duration of the open periods.
IPC 1-7
IPC 8 full level
F24F 3/044 (2006.01)
CPC (source: EP)
F24F 3/044 (2013.01)
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 9425804 A1 19941110; AT E178135 T1 19990415; AU 6506394 A 19941121; DE 69417411 D1 19990429; DE 69417411 T2 19990819; DK 0694150 T3 19991011; EP 0694150 A1 19960131; EP 0694150 B1 19990324; FI 100065 B 19970915; FI 931848 A0 19930423; FI 931848 A 19941024
DOCDB simple family (application)
FI 9400154 W 19940422; AT 94912565 T 19940422; AU 6506394 A 19940422; DE 69417411 T 19940422; DK 94912565 T 19940422; EP 94912565 A 19940422; FI 931848 A 19930423