U.S. Boiler Company V8H3, Service Instructions Manual

Page: 60 / 96

60
SECTION XII: OPERATING (CONTINUED)
G ,IWKHWKHUPRVWDWLVQRWVDWLV¿HGDQGWKH
2SHUDWLQJ6HWSRLQW63LVUHDFKHGWKHV\VWHP
FLUFXODWRUZLOOFRQWLQXHWRRSHUDWHDQGWKHEXUQHU
ZLOOVWRS:KHQWKHERLOHUZDWHUWHPSHUDWXUH
GURSVEHORZWKHVHWSRLQWOHVVWKHGLIIHUHQWLDO
VHWWLQJWKHEXUQHUZLOOUHVWDUW
H $IWHUWKHWKHUPRVWDWLVVDWLV¿HGWKHEXUQHUDQG
FLUFXODWRUDUHVWRSSHG
I 7KH:DUP6WDUW%RLOHU&RQWURODOVRLQFOXGHV
DORZOLPLWFRQWUROIXQFWLRQ:KHQWKHERLOHU
ZDWHUWHPSHUDWXUHIDOOVEHORZWKH/RZ/LPLW
6HWSRLQWOHVVWKH/RZ/LPLW'LIIHUHQWLDOWKH
³=&´WHUPLQDODQG6\VWHP&LUFXODWRURXWSXWV
DUHGHHQHUJL]HGDQGWKHRLOSULPDU\LVHQHUJL]HG
WRVWDUWWKHEXUQHU$VWHPSHUDWXUHULVHVDERYH
WKH/RZ/LPLW6HWSRLQWWKHEXUQHULVVWRSSHG
WKH³=&´RXWSXWLVHQHUJL]HGDQGWKH6\VWHP
&LUFXODWRULVHQDEOHGWRUXQLQUHVSRQVHWRDFDOO
for heat.
J 2QEXUQHUVWDUWLIWKH&$'FHOOGRHVQRWVHH
ÀDPHZLWKLQDSSUR[LPDWHO\VHFRQGVSULPDU\
FRQWUROZLOOVKXWGRZQWKHEXUQHUDQGHQWHULQWR
DORFNRXWPRGH$ORFNRXWLVUHVHWE\SUHVVLQJ
WKHUHVHWEXWWRQORFDWHGRQWKHSULPDU\FRQWURO
,IWKHÀDPHLVORVWZKLOHWKHEXUQHULV¿ULQJWKH
SULPDU\FRQWUROVKXWVGRZQWKHEXUQHUHQWHUVD
VHFRQGUHF\FOHGHOD\DQGUHSHDWVWKHLJQLWLRQ
VHTXHQFH,IDIWHUWKUHHWULDOVIRULJQLWLRQ
ÀDPHLVQRWGHWHFWHGSULPDU\FRQWUROZLOOHQWHU
LQWRUHVWULFWHGPRGH5HVWULFWHGPRGHLVUHVHWE\
KROGLQJGRZQWKHUHVHWEXWWRQIRUVHFRQGV
3. Using Cold or Warm Start Boiler Control (Boiler
Control) Features
7KH%RLOHU&RQWUROLVORFDWHGRQIURQWRIERLOHU
7KH%RLOHU&RQWUROGLVSOD\DORQJZLWK8S
×
,
'RZQ
Ø
,
and
³
I
”
NH\VPD\EHXVHGWRYLHZERLOHU
RSHUDWLQJVWDWXV)LJXUH
4. Viewing the Operating Mode Options
,QRSHUDWLQJPRGHWKHXVHUPD\YLHZEXWQRW
FKDQJHERLOHURSHUDWLQJVWDWXVVHWWLQJVDQG
WURXEOHVKRRWLQJLQIRUPDWLRQ7RYLHZ%RLOHU
&RQWUROGLVSOD\LQIRUPDWLRQ
Press and release the
³
I
”
NH\RQWKH%RLOHU&RQWURO
WRFKDQJHIURPRQHSDUDPHWHUWRWKHQH[W(DFK
VHWWLQJZLOODOWHUQDWHO\ÀDVKEHWZHHQWKHUHOHYDQW
GLVSOD\FRGHDQGLWVFRUUHVSRQGLQJYDOXH
Operating Mode Options
6W$
Status Numbers:
Standby
Running
Self Test)
EW
Boiler Temperature
63
Operating Setpoint (Outdoor Reset)
+/
High Limit Setting
+G)
High Limit Differential
//
Low Limit Setpoint (warm start only)
/G)
Low Limit Differential (warm start only)
KU
Heat Request Status
GK
DHW Request Status
(UU
Boiler Error
)RUH[DPSOHZKHQWKH³
I
´NH\LVSUHVVHGRQWKH
%RLOHU&RQWUROXQWLO³
EW
´LVGLVSOD\HGLWZLOOWKHQ
ÀDVKDWKUHHGLJLWQXPEHUVXFKDV³ ´IROORZHG
E\HLWKHU³
)
´RU³
&
´7KLVLQGLFDWHVWKDWWKH
ERLOHUZDWHUWHPSHUDWXUHLV ƒ)2WKHURSHUDWLQJ
parameters display the information in a similar
fashion.
Please note that in operating mode to hold the
GLVSOD\RQWKHYDOXHWKHXVHUFDQSUHVVDQGKROG
either the Up
× RU'RZQ Ø NH\VDQGWKHYDOXH
ZLOOEHFRQWLQXRXVO\VKRZQ7KLVPD\EHKHOSIXOLQ
ZDWFKLQJDYDOXH³OLYH´
5. Changing the Adjustable Parameters
7RDGMXVWSDUDPHWHUVVXLJK/LPLW
6HWSLJK/LPLW'LIIHUHQWLDO
D 8VLQJWKH%RLOHU&RQWUROGLVSOD\DFFHVVWKH
DGMXVWPHQWPRGHE\SUHVVLQJDQGKROGLQJWKH8S
× 'RZQ Ø DQG³
I
´NH\VVLPXOWDQHRXVO\IRU
WKUHHVHFRQGV7KLVSURFHGXUHLVLQWHQGHGWR
GLVFRXUDJHXQDXWKRUL]HGFKDQJHVRUDFFLGHQWDO
FKDQJHVWROLPLWVHWWLQJV
E 3UHVVWKH
I
NH\WRGLVSOD\DYDLODEOH$GMXVWPHQW
0RGHRSWLRQV6HOHFWDQRSWLRQ
Figure 33: Boiler Control
Key Function & Orientation