Download A.O. Smith BTH 120 - 250 Instruction manual

Transcript
MIXING VALVES
HOT WATER
OUTLET
Water temperature over 125°F (52°C)
can cause severe burns instantly
resulting in severe injury or death.
12” TO 15”
(30-38 cm)
Children, the elderly and the
physically or mentally disabled are at
highest risk for scald injury.
TEMPERED WATER
OUTLET
Feel water before bathing or
showering.
CHECK
VALVE
COLD
WATER
INLET
Temperature limiting devices such as
mixing valves must be installed
when required by codes and to
ensure safe temperatures at fixtures.
CHECK
VALVE
MIXING
VALVE
TO TANK
INLET
;
"
" ; X
) ;
;
};
~•V<&&•!>
); ; ; X
" " ; *;  }; ;__
; C 6 ]
;
"
;
C
;
;B}56
< V
€> ;;
B} 66 6 ; !
`
C )6 V ;} 66
;

66
TABLE 6
;
~3$
+^
)
Water Temperature
&€•V<€~•!>
Nearly instantaneous
&%•V<%%•!>
Nearly instantaneous
&•V<%&•!>
&*~
&•V<•!>
&_&*~
&8•V<•!>
/
&$•V<8•!>
$
&~•V<8'•!>
More than 5 minutes
Figure 8
#)V
;;
&€•V<€~•!>"
6 X
6&€•V<€~•!>_
;
X
„ 66 ;#6„
;)+;
%&
NOTE:;#)V)]
;
;;
„
66„
CLOSED WATER SYSTEMS
; ;" ]
;
" ; " 6
6 66" 66"„6+6
;;
THERMAL EXPANSION
DISHWASHING MACHINES
; ; # )
V
]
;„
&~
]
<&$
&%$>V
6~
]
<&%$>"&
]
<&$>"
;
"
„
66
&€•V <€~•!> ;
X
6
;
15
"}<;}>C
;6
;
6
; ;};}
;
<>
6 ; ; }
;;
_
? 56
‹ ; 66 }6
6
;
;
_
?56
;}
; } ;
; ;
;
} ! ; 6 6 ;}
)/!8~
+;%&