Bradford White U100L199E N Series, Руководство по обслуживанию

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Honeywell I nteg r ate d Cont r ol S ystem
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Powe r supply D e d icate d 12 0 VAC, 6 0 H z , 15A
The r mostat S enso r
11, 900 O hms @ 70° F, E C O opens @ 2 07° F Max. Re d un d ant senso r fo r E C O . S enso r insi d e well fo r easy
r eplacement of senso r .
S pa r k Ro d I gnite r 0 .22" nominal gap to the bu r ne r su r face.
Flame S enso r O utput Minimum 1 mic r o amp, Typical r ange 5 to 3 0 mic r o amps.
Cont r ol Display
Digital d isplay, 24 volts. Tempe r atu r e Range: 70 -1 80 d eg. F. Use d to set tank tempe r atu r e ( d eg. F o r
d eg. C), show ope r ating status, Display e rr o r co d es, e rr o r co d e histo r y, limit maximum setpoint
tempe r atu r e.
Cont r ol B oa rd
O pe r ates f r om 24 volt f r om t r ansfo r me r . Cont r ols tank tempe r atu r e, ignition functions, combustion
blowe r . S ee ignition timings in sequence of ope r ation fo r I nteg r ate d Cont r ol.
Gas Valve N egative regu l ation, 2 4 VAC, ½ " PS I max . , 4. 5 " W . C . Minimum running in l et .
T r ansfo r me r 12 0 VAC p r ima r y, 24VAC secon d a r y, 4 0 VA.
B locke d Vent S afety S witch N o r mally close d , opens @ 24 0° F, manual r eset.
B lowe r 12 0 VAC, 6 0 H z , .6-1 amps, 64 00 RPM.
App r ove d Gas Type
N atu r al gas only. Gas supply must match the gas type liste d on the wate r
heate r r ating label.
Venting S ystem
Atmosphe r ically Vente d , Type B venting system o r app r ove d chimney. Follow
cu rr ent N ational Fuel Gas Co d e r equi r ements o r in Cana d a, the N atu r al Gas
I nstallation Co d e.
Gas S upply
Minimum ¾ ” N PT fo r 3 00 , 000 B TU ’ s/h r . an d below. Minimum 1" N PT fo r 3 99 , 999 B TU ’ s/h r .
(sche d ule 4 0 black i r on pipe r ecommen d e d )
Minimum Clea r ance
fo r S e r vicing
4" f r om the top, 0 " f r om the f r ont, 4" f r om the exhaust vent si d e, 12" f r om the ci r culation loop si d e, 0 "
f r om the r ea r .
Maximum Wate r S upply
P r essu r e
15 0 P SI
Gas Pressure ( N at . ) 14. 0 " W.C. maximum static, 4.5" W.C. minimum r unning ( r ecommen d 7 . 0 " W.C. min r unning)
Combustion Levels C O 2: 1 0 -11 % , C O : less then 0 . 0 4 pe r cent (4 00 PPM) ai r f r ee
Ci r culato r Flow S witch 24 VAC, no r mally open, closes when ci r culato r is ope r ational
Ci r culato r 12 0 VAC , 6 0 H z , . 7 6-1 amps, 325 0 PRM
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