Qhov rooj hlau nplaum qhov system yog lub tswb ceeb toom kev nyab xeeb, uas tau muab faib ua qhov rooj hlau nplaum thiab qhov rais hlau nplaum (lub hauv paus ntsiab lus yog tib yam thiab cov duab sib txawv). Qhov rooj hlau nplaum / qhov rais hlau nplaum tsis yooj yim pom yog tias koj tsis ua' tsis them ntau xim. Lub qhov rooj hlau nplaum / qhov rais hlau nplaum yog qhov ua tau lub npe ntawm lub qhov rooj hlau nplaum hloov thiab qhov rais hlau nplaum hloov, uas yog tsim los ntawm ob qhov chaw: qhov me me yog cov hlau nplaum tas mus li, thiab muaj cov hlau nplaum tas mus li los tsim cov hlau nplaum tas li; qhov loj dua yog lub ntsiab lub cev ntawm lub qhov rooj hlau nplaum, uas muaj ib txwm qhib qhuav reed raj sab hauv. Thaum cov hlau nplaum ruaj khov thiab lub raj xaum qhuav yog kaw (tsawg dua 5 hli), Lub qhov rooj sib nqus sensor nyob rau hauv lub xeev tos ua haujlwm. Thaum cov hlau nplaum tas mus li tawm ntawm lub raj reed rau ib qho kev ncua deb, nws yog nyob rau hauv ib txwm qhib lub xeev.
Cov hlau nplaum thiab reed yog ntsia rau hauv lub qhov rooj ncej (qhov rais thav duab) thiab lub qhov rooj nplooj (qhov rais sash) feem. Lawv yog cov hauv paus embedded (tseem nto mounted), yog li cov neeg hauv kev lag luam feem ntau tuaj yeem' tsis xyuam xim rau cov no. Koj tuaj yeem qhib lub qhov rooj hauv tsev thiab lub qhov rais sab nraud, saib rau sab saum toj ntawm lub tsev lub qhov rooj thiab lub qhov rais thav duab ntawm lub qhov rais sab nrauv, thiab koj tuaj yeem pom cov voj voog thiab feem ntau dawb. Qhov tseeb, qhov no yog lub qhov rooj hlau nplaum thiab qhov rais hlau nplaum.