Bradford White U2TW75T*RN, Руководство по обслуживанию

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P a g e 4
Int r oduct i on
T h e n e w B ra dfo r d W hi te U2TW & UTW 4 w ater h eaters are d es ign e d t o p r ovid e re li a bl e
p er fo r m a nc e wi t h e nh a nc e d sta nd ar d f eat u res . N e w d es ign f eat u res includ e re li a bl e s p ar k t o
pilo t igni t ion s y ste m, e nh a nc e d di a gno st ic s , s implifi e d ser vicing, s ignific a n t ly qui et op erat ion
a nd a ddi t ion a l v e n t l e ng t h s . In a ddi t ion, t h e U2TW & UTW 4 w ater h eaters p r ovid e U l tra Low
NOx e mi ss ion s .
S pa r k to P i lot Ign i t i on S y s t e m - e mploying t h e s p ar k t o pilo t igni t ion s y ste m p r omo tes
re li a bl e a nd con s i ste n t pilo t a nd m a in bu r n er igni t ion s t o p r ovid e ho t w ater on d e m a nd.
Int e g r at e d Imm ersi on Th er mo s tat/Ga s Cont r ol Valv e w i th LED
- w as d e v e lop e d fo r ease
of tr oubl es hoo t ing by p r oviding s impl e di a gno st ic cod es t o pinpoin t a n in sta ll at ion o r
compon e n t p er fo r m a nc e i ss u e .
Pow er ful Blow er -
will e limin ate p r obl e m s wi t h difficul t v e n t ing s i t u at ion s .
Qu ie t er and Cool er Blow er Op er at i on - blow er noi se i s s ignific a n t ly re duc e d fo r bo t h
in ter io r a nd e x ter io r e nvi r onm e n ts . Cool er op erat ion inc reases blow er lif e by re ducing b ear ing
w ear a nd noi se .
Rugg e d W iri ng Conn e ct i on s -
re c e p ta cl e t yp e conn e c t ion s p r omo te err o r f ree wi r ing.
Inc re a se d V e nt L e ngth s - inc rease d v e n t ing p er fo r m a nc e i s a chi e v e d whil e m a in ta ining
En er gy F a c t o r & F H SR p er fo r m a nc e .
T h e U2TW & UTW 4 w ater h eaters u se a combu st ion s y ste m wh ere flu e g ases are combin e d
wi t h dilu t ion a i r t o re duc e t h e flu e g as te mp erat u re in t h e blow er . T h e dilu te d flu e g ases are
e v a cu ate d t o t h e e x ter io r t h r ough low te mp erat u re v e n t m ater i a l s . T h e g as con tr ol m a in ta in s
w ater te mp erat u re , igni t ion se qu e nc e a nd re gul ates g as flow. A sa f et y ci r cui t con s i st ing of a
p ress u re s wi t ch a nd blow er te mp erat u re s wi t ch v er ifi es p r op er condi t ion s e xi st fo r sa f e a nd
re li a bl e op erat ion. If a s i t u at ion ou ts id e of no r m a l op erat ing p ara m eters e xi sts , t h e g as con tr ol
di a gno st ic LED will fl as h a cod e t o po s i t iv e ly id e n t ify a n op erat ion a l i ss u e .
T hi s ser vic e m a nu a l i s d es ign e d t o f a cili tate p r obl e m di a gno s i s a nd e nh a nc e ser vic e e ffici e ncy.
Pl ease rea d t h e ser vic e m a nu a l compl ete ly b e fo re atte mp t ing ser vic e on t hi s n e w ser i es of
pow er v e n t mod e l s .
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