Main Mitre-AS 설치 및 서비스 지침 매뉴얼 - 페이지 13

{카테고리_이름} Main Mitre-AS에 대한 설치 및 서비스 지침 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Main Mitre-AS 18 페이지. Gas fired -instantaneous sink water heater

Fig. 6

Page 7

Remove the complete pilot and sensing device assembly see

section 3

Release two union nuts and washers 20.

Fig. 5

. DO NOT lose sealing washers.

Release screw 21.

Fig. 5

at front of ﬂue deﬂector and remove retaining strip. Carefully pull

heating unit forwards out of the appliance. Brush or wash clean if necessary. If de-scaling is

necessary use a proprietary brand of de-scaling or a solution of 10 parts water to one part

hydrochloric acid. The water should preferably be hot. Add ACID to WATER not water to acid.

Fill heating body with solution and leave until solution stops bubbling. Flush thoroughly before

re-ﬁtting.

Re-assemble in reverse order ensure sealing washers are ﬁtted, and that the thermocouple

leads are routed away from hot surfaces.

WARNING