Bradford White UCG100H399, Руководство по обслуживанию

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1 2 0 vo l t potent i a l e x posu r e . I so l ate the
app l i ance and r econf ir m powe r i s d i sconnected
us i ng a mu l t i - mete r .
WAR NIN G
S er vi c e P ro c e du re II :
C o mbusti o n S y st e m T e sting and Re pla c e m e nt
C o mbusti o n S y st e m Re m o val P ro c e du re
S tep 1 . P os i t i on ma i n powe r sw i tch to “O FF ” .
S tep 2. D i sconnect ( unp l ug ) wate r heate r f r om 1 2 0 vo l t
powe r sou r ce .
S tep 3 . T u r n off gas supp l y to wate r heate r .
S tep 4. U n -l atch and r emove su rr ound cove r f r om top of heate r .
S tep 5 . F r om the gas va l ve , d i sconnect the gas connect i on , PVC i nta k e vent i ng , S i l i cone tu b i ng and w ir e ha r ness .
S tep 6 . D i sconnect w ir e ha r nesses f l ame senso r , gas va l ve , and b l owe r . D i sconnect h i gh vo l tage ca b l e f r om spa rk r od
connect i on .
S tep 7 . Remove the 5 b o l ts ( ½" soc k et ) ho l d i ng the b u r ne r mount i ng i nse r t i n p l ace .
S tep 8 . C a r efu ll y r emove com b ust i on assem b l y w i th gas k et f r om wate r heate r .
S tep 9 . S ee ne x t page fo r com b ust i on system i nsta ll at i on p r ocedu r e .
H eate r components may b e H O T when pe r fo r m i ng the fo ll ow i ng steps i n th i s p r ocedu r e . T a k e necessa r y p r ecaut i on
to p r event pe r sona l i n j u r y .
WAR NIN G
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