Loading ...
Loading ...
Loading ...
21
%&3:,QVWDOODWLRQDQG2SHUDWLRQ0DQXDO
$/(57
DO NOT turn power off to the
BCP-8W when in off-season.
If you do so, the battery will
run down and have to be
replaced. Instead, switch
Season to Summer.
---- SEASON ---
Winter
Summer
BACK SAVE
6($621
:LQWHU6XPPHU 'HIDXOW:LQWHU
Button: MENU/Season
7KH%&3:ZLOOWXUQDOOERLOHUUHOD\VRIIZKHQLWLVLQ6XPPHUVHWWLQJThe Message
'LVSOD\/LQHZLOOUHDGSummer to show status. However, a DHW call will bring the
boilers back on if needed. When in Winter, the BCP-8W will activate the System relay
whenever the Outdoor temperature falls to or below the Outdoor Cutoff setting. In
addition, it will begin heating whenever the System temperature falls below the Set Point
7HPSHUDWXUH7KH0HVVDJH'LVSOD\/LQHZLOOQRWGLVSOD\DQ\VHDVRQLQIRUPDWLRQ
:KHQWKHVHDVRQLVRYHULWLVDJRRGSUDFWLFHWRVZLWFKWKH%&3:6HDVRQVHWWLQJ7KLV
will allow DHW calls to operate the boilers when needed.
5(6(75$7,2
&XVWRP2'6\VWR2'6\V'HIDXOW2'6\V
Hold Button: MENU/<Outdoor Reset>/Reset Ratio ,Q2XWGRRU5HVHW2QO\
7KH5HVHW5DWLRGHWHUPLQHVKRZWKHV\VWHP7DUJHWWHPSHUDWXUHZLOOYDU\EDVHGRQWKH
outdoor temperature. With any of the ratios, the colder it becomes outside, the hotter the
temperature of the system water. (See Understanding Operation Concept on page 5)
:LWKD2'6<6UDWLRWKH6\VWHPZDWHUWHPSHUDWXUH6<6ZLOOLQFUHDVH
UDSLGO\DVWKHRXWVLGHWHPSHUDWXUHIDOOVKLWWLQJWKH0D[LPXPRI)DW)RXWVLGH
WHPSHUDWXUH:LWKD2'6<6UDWLRWKH6\VWHPWHPSHUDWXUH6<6ZLOO
LQFUHDVHVORZO\DVWKHRXWVLGHWHPSHUDWXUHIDOOV(YHQDW)WKHV\VWHPZDWHUZLOO
only be 125°F, and at 22°F outside, the system water will be 112°F. Such a low Reset
5DWLRPLJKWEHXVHGZLWKUDGLDQWÀRRUKHDWLQJDSSOLFDWLRQV
:LWKPRVWEDVHERDUGKHDWLQJDSSOLFDWLRQVD2'6<6) setting is a good
SODFHWRVWDUW:LWKD2'6<6) ratio, for every degree the outside
temperature falls, the system water temperature is increased one degree.
---- RESET RATIO ---
Custom
1(8.00
OD:1.00 SYS)
2(4.00
OD:1.00 SYS)
3(3.00
OD:1.00 SYS)
4(2.00
OD:1.00 SYS)
5(1.50
OD:1.00 SYS)
6(1.25
OD:1.00 SYS)
7(1.00 OD:1.00 SYS)
8(1.00
OD:1.25 SYS)
9(1.00
OD:1.50 SYS)
10(1.00
OD:2.00 SYS)
11(1.00
OD:3.00 SYS)
12(1.00
OD:4.00 SYS)
BACK SAVE
,IUHTXLUHG$GMXVWWKH5(6(75$7,2LQFROGZHDWKHU If the ambient building
temperature are cold in cold weather, move the ratio to a higher selection. That is, if
2'6<6ZDVLQLWLDOO\VHOHFWHGFKDQJHWKHVHOHFWLRQWR2'
(6<6). If the building temperature are too warm in cold weather, move the ratio to a
ORZHUVHOHFWLRQ7KDWLVLI2'6<6) was initially selected, change it to 1.25
2'6<6).
$IWHUVHOHFWLQJWKH5HVHW5DWLRSUHVVLQJWKHSAVE button will switch to the Outdoor
Cutoff setting option.
Outdoor Temperature
Water Temperatur e
70 405060
130
120
110
100
1:4 1:1
4:1
Colder
Warmer
&86720,=('5(6(75$7,2
Hold Button: MENU/<Outdoor Reset>/Reset Ratio/Custom
)RUVLWXDWLRQVZKHUHWKHDYDLODEOHUHVHWUDWLRVGRQRWSURYLGHWKHSHUIHFWEXLOGLQJKHDWORVVHTXLOLEULXPWKHFXVWRPL]HGRSWLRQ
can be used by selecting Custom from the Reset Ratio menu option.
,WSURYLGHVWKHXVHUZLWKWKHFDSDELOLW\RIDVVLJQLQJWZRSRLQWVRQWKHUHVHWUDWLRGLDJUDPDQGXVHWKHOLQHWKDWFRQQHFWVWKRVH
WZRSRLQWVDVWKHFXVWRPL]HGUHVHWUDWLRFXUYH(DFKRIWKHWZRSRLQWVZLOOQHHGDVSHFL¿F6\VWHPDQG2XWGRRU7HPSHUDWXUHWR
identify it on the diagram.
7R6HWWKH¿UVWSRLQWVSHFLI\6\V7HPSDQG2'7HPS7KHQVSHFLI\6\V7HPSDQG2'7HPSWRVHWWKHVHFRQGSRLQW
on the curve. The two points can be anywhere on the line, not necessarily at the ends.
7KHFKDUWVKRZVDQH[DPSOHRIDFXVWRPL]HGFXUYH2'6<6WKDWGRHVQRWH[LVWLQWKHVWDQGDUGFXUYHRSWLRQV,IWKH
RXWGRRUWHPSHUDWXUHUHDFKHV)WKHV\VWHPWDUJHWZLOOEH)
5HPHPEHUWKDWWKH2IIVHW0LQ7DUJHWDQG0D[7DUJHWDSSO\WRDOOUHVHWUDWLRVLQFOXGLQJWKHFXVWRPL]HGUHVHWUDWLRRQHV
Loading ...
Loading ...
Loading ...