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28
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Hold Button: MENU/<System Settings>/<DHW Settings>
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dry-contact input will add the DHW Set Point and Differential control capability.
On a DHW call, the BCP-8W will raise the Target to either 200ºF or the Maximum
Target, which ever is lower.
The BCP-8W provides three levels of DHW pump operation. The ¿UVWLVZKHQ3ULPDU\
Secondary is selected as the DHW Piping from the Startup Menu on page 18. This
option will provide no DHW Priority. And, if there was a DHW call during the Summer
or when the outdoor temperature is above the Outdoor Cutoff, both the DHW Pump and
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-- DHW SETTINGS ---
DHW Temp. 140 F
DHW Prior Tmr 60min
DHW Set Point120
F
DHW Diff. 5
F
BACK SELECT
,I3DUDOOHOZDVVHOHFWHGDVWKH'+:3LSLQJIURPWKH6WDUWXSPHQXRQSDJH18 and the Season was set to Winter while the DHW
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+RZHYHULQ:LQWHULIWKH'+:3ULRULW\7LPHUZDVVHWWRDYDOXHRWKHUWKDQ12D'+:FDOOZLOOGHHQHUJL]HWKH6\VWHPUHOD\
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terminates, whichever is sooner. If the DHW call was still active after the DHW Priority Timer elapses, the System relay will
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$GMXVWDEOH12WRPLQXWHV 'HIDXOWPLQXWHV
Hold Button: MENU/<System Settings>/<DHW Settings>/DHW Prior. Timer LQ3DUDOOHO
7KH'+:3ULRULW\7LPHULVRQO\DYDLODEOHZKHQ'+:3LSLQJLVVHWWR3DUDOOHO6HHSDJH
18). It provides the user with the capability of selecting the DHW Priority period. If
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System Pump operation. That is, when in Summer or Outdoor Cutoff, a DHW call will
HQHUJL]HRQO\WKH'+:3XPSUHOD\OHDYLQJWKH6\VWHPUHOD\RII
DHW PRIORITY TIMER
2min
[ ]
BACK SAVE
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2XWGRRU&XWRIIZLOOFDXVHWKH6\VWHPUHOD\WRGHHQHUJL]HDQGWKH'+:3XPSUHOD\WRHQHUJL]HIRUWKHSHULRGRIWKH'+:
Priority Timer or until the DHW call expertise, whichever happens sooner. If the DHW call did not expire within the Priority
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$GMXVWDEOH°)°&WR)& 'HIDXOW°)°&
Hold Button: MENU/<System Settings>/<DHW Settings>/DHW Set Point
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HQHUJL]HZKHQUHDFKHG
7KH%&3:FDQDFFHSWD'+:FDOOLQWZRZD\V$QDTXDVWDWFDQSURYLGHDGU\
FRQWDFWFORVXUHWRWHUPLQDOVDQGLVWKH¿UVWRSWLRQ
-- DHW SET POINT --
140 F
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BACK SAVE
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ZLOORIIHUWKHFDSDELOLW\RIDGMXVWLQJWKH'+:6HW3RLQWDQG'LIIHUHQWLDOWKURXJKWKH%&3:HDV\WRIROORZPHQX
(See page 28). In addition to being able to view and log DHW temperature history.
'+:',))(5(17,$/
$GMXVWDEOH°)°&WR)& 'HIDXOW°)°&
Hold Button: MENU/<System Settings>/<DHW Settings>/DHW Diff.
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6HW3RLQWEHIRUHD'+:FDOOFDQEHUHFRJQL]HGDQGWKH'+:3XPSUHOD\HQHUJL]HG
$ODUJH'+:'LIIHUHQWLDOZLOOUHVXOWLQRVFLOODWLRQLQWKH'+:WHPSHUDWXUH+RZHYHUD
small DHW Differential will have a tighter control over the DHW temperature but might
result in boilers coming on frequently for short periods to satisfy the DHW Set Point and
Differential settings.
DHW DIFFERENTIAL
10 F
[ ]
BACK SAVE
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