Ambirad COBRA CB40 설치, 작동, 유지보수 및 서비스 매뉴얼 - 페이지 12

{카테고리_이름} Ambirad COBRA CB40에 대한 설치, 작동, 유지보수 및 서비스 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Ambirad COBRA CB40 19 페이지. Gas fired radiant tube heaters

페이지 인쇄

15Replacement and servicing of components in the burner assembly

Figure 17 Cobra burner assembly

Burner Head

Ignitor Assembly

Burner Extrusion

Health and safety

Isolate gas and electrical supplies before

carrying out any repair work. Always test

for gas soundness with a suitable leak

detection fluid.

Replacement parts

Any spare part components that are not

approved by Ambi-Rad could invalidate

the approval of the appliance and

operation of the warranty.

It is recommended that the burner

assembly is removed from the product to

facilitate replacement of the following

components:

Burner head

Injector

Gas valve

Electrode assembly

Electronic sequence controller

Vacuum switch

To remove the burner please see section

13.

With the burner assembly removed from

the product it is now possible to replace

components as follows;

Electronic Sequence

Injector

Figure 18

Remove the four screws securing the

burner spigot to the burner box. Lift off

the burner assembly and gasket, checking

the gasket for signs of splitting, and

replace as required.

Figure 19

Lift off burner assembly carefully as

electrode leads and vacuum tubes are still

attached.

C o n t r o l l e r

Figure 20

Slacken with a spanner, then unscrew the

injector from its carrier. If servicing the

injector, blow through orifice, never drill or

broach out or use wire to clean. Replace if

blocked or damaged.

Re-fit components in reverse order of

removal.

Mains input

Gas Va l v e

Va c u u m

s w i t c h