State SSED 5 thru SSED 120 - Manual (Page 17)

17
CONTROL SYSTEM OPERATION
HEATING ELEMENT OPERATION
FIGURE 4.
Depending on tank size and how they were ordered from the factory
the water heaters covered in this manual may be equipped with 1
to 5 electric heating elements. The illustration here shows how the
heating elements are numbered for control purposes and how the
openings for each heating element are physically located on the
water heater’s storage tank.
Control Options
The water heaters covered in this manual are factory ordered with 1
RIGLIIHUHQWKHDWLQJHOHPHQWFRQWURORSWLRQVDVIROORZV
2Q2II&RQWURO7KLVLVWKHRQO\FRQ¿JXUDWLRQDYDLODEOHRQPRGHOV
HTXLSSHGZLWKDVLQJOHKHDWLQJHOHPHQWDQGWKHVWDQGDUGFRQ¿JXUDWLRQ
RQPRGHOVHTXLSSHGZLWKPRUHWKDQRQHHOHPHQW$OOHOHPHQWVDUH
cycled on simultaneously with each call for heat, however there is
a one second delay between elements being energized to reduce
VWDUWLQJFXUUHQW$OOHOHPHQWVDUHF\FOHGRIIDWWKHVDPHWLPHDWWKH
end of each heating cycle.
/LQHDU 6HTXHQFLQJ Only available on models equipped with
multiple heating elements. Elements are energized and de-energized
DFFRUGLQJ WR DGMXVWDEOH WR ƒ) 'LIIHUHQWLDO VHW SRLQWV IRU HDFK
HOHPHQW (OHPHQW 5RWDWLRQ ¿UVW HOHPHQW RQ LV URWDWHG ZLWK HDFK
VXFFHVVLYHFDOOIRUKHDW)LUVW2Q/DVW2IIWKH¿UVWKHDWLQJHOHPHQW
energized at the beginning of a heating cycle is the last element
GHHQHUJL]HG DW WKH HQG RI WKH KHDWLQJ F\FOH 6XFFHVVLYH KHDWLQJ
cycles would progress as follows on a model equipped with 3 heating
HOHPHQWV
‡ )LUVWKHDWLQJF\FOH(OHPHQWVFRPHRQ>@DQGF\FOHRII>@
‡ 6HFRQGKHDWLQJF\FOH(OHPHQWVFRPHRQ>@DQGF\FOHRII>@
‡ 7KLUGKHDWLQJF\FOH(OHPHQWVFRPHRQ>@DQGF\FOHRII>@
‡ )RXUWKKHDWLQJF\FOHSDWWHUQUHSHDWVVDPHDV¿UVW
3URJUHVVLYH 6HTXHQFLQJ Only available on models equipped
with multiple heating elements. Elements are energized and de-
HQHUJL]HGDFFRUGLQJWRDGMXVWDEOHWRƒ)'LIIHUHQWLDOVHWSRLQWV
IRUHDFKHOHPHQW(OHPHQW5RWDWLRQ¿UVWHOHPHQWRQLVURWDWHGZLWK
HDFK VXFFHVVLYH FDOO IRU KHDW )LUVW 2Q)LUVW 2II WKH ¿UVW KHDWLQJ
HOHPHQW HQHUJL]HG DW WKH EHJLQQLQJ RI D KHDWLQJ F\FOH LV WKH ¿UVW
HOHPHQW GHHQHUJL]HG DW WKH HQG RI WKH KHDWLQJ F\FOH 6XFFHVVLYH
heating cycles would progress as follows on a model equipped with
KHDWLQJHOHPHQWV
‡ )LUVWKHDWLQJF\FOH(OHPHQWVFRPHRQ>@DQGF\FOHRII>@
‡ 6HFRQGKHDWLQJF\FOH(OHPHQWVFRPHRQ>@DQGF\FOHRII>@
‡ 7KLUGKHDWLQJF\FOH(OHPHQWVFRPHRQ>@DQGF\FOHRII>@
‡ )RXUWKKHDWLQJF\FOHSDWWHUQUHSHDWVVDPHDV¿UVW
CONTROL SYSTEM FEATURES
Advanced Diagnostics
Plain English text and animated icons display detailed operational and
diagnostic information. LCD screen on the front of the water heater displays
WKH6HTXHQFHRI2SHUDWLRQLQUHDOWLPH)DXOWRU$OHUWPHVVDJHVDUHGLVSOD\HG
ZKHQRSHUDWLRQDOSUREOHPVRFFXU$GYDQFHG6HUYLFHPHQXGLVSOD\VDOLVWRI
SRVVLEOHFDXVHVIRUFXUUHQW)DXOWDQG$OHUWFRQGLWLRQVWRDLGLQVHUYLFLQJ
Economy Mode Operation
&RQWURO V\VWHP DXWRPDWLFDOO\ ORZHUV WKH 2SHUDWLQJ 6HW 3RLQW E\ D
SURJUDPPHGYDOXHGXULQJXVHUGH¿QHGWLPHSHULRGV+HOSVUHGXFH
operating costs during unoccupied or peak demand periods.
CONTROL SYSTEM NAVIGATION
7KH8,08VHU,QWHUIDFH0RGXOHLVORFDWHGRQWKHIURQWFDELQHWRIWKHZDWHU
KHDWHU$OORSHUDWLRQDOLQIRUPDWLRQDQGXVHUVHWWLQJVDUHGLVSOD\HGDQG
DFFHVVHGXVLQJWKH8,07KH8,0LQFOXGHV¿YHVQDSDFWLQJPRPHQWDU\
XVHULQSXWEXWWRQVDQ8S'RZQDQG2SHUDWLRQDO%XWWRQV
FIGURE 5.
Up & Down Buttons
8VHGWRQDYLJDWHXSDQGGRZQDQGWRVHOHFWKLJKOLJKWPHQXLWHPV
$OVRXVHGWRDGMXVWRUFKDQJHLQFUHDVHGHFUHDVHRQRIIVHWWLPH
various user settings.
Operational Buttons
7KH2SHUDWLRQDO%XWWRQVDUHPXOWLIXQFWLRQDO7KHLUFXUUHQWIXQFWLRQLV
GH¿QHGE\WKHWH[WWKDWDSSHDUVGLUHFWO\DERYHHDFKEXWWRQRQWKH/&'
screen. The function will change depending on what menu is currently
displayed or what menu item is selected. When no text appears on the
/&'VFUHHQDERYHDQ2SHUDWLRQDO%XWWRQWKHUHLVQRIXQFWLRQDVVLJQHG
THE DESKTOP SCREEN
7KHLOOXVWUDWLRQEHORZVKRZVWKHFRQWUROV\VWHP³'HVNWRS6FUHHQ´
7KLV LV WKH GHIDXOW VFUHHQ ,I WKHUH DUH QR DFWLYH )DXOW RU $OHUW
conditions and no user input for approximately 10 minutes the control
system will return to this screen automatically.
0RGHO,QIRUPDWLRQ Model information and menu titles are shown in
WKHEODFNEDUDWWKHWRSRIWKH'HVNWRS6FUHHQ
7DQN7HPSHUDWXUH Current water temperature as sensed from the
immersion Temperature Probe.
2SHUDWLQJ6HW3RLQW Temperature at which the control system will
PDLQWDLQWDQNZDWHUWHPSHUDWXUHLQWKH1RUPDO0RGH7KLVOLQHRI
WH[W ZLOO UHDG (FRQRP\ 6HW 3RLQW ZKHQHYHU WKH FRQWURO V\VWHP LV
operating in the Economy Mode.