Lennox SCA Series - Page 32

Page 32
FIGURE 16
SCA120 ELECTRIC HEAT VESTIBULE
PARTS ARRANGEMENT
TERMINAL STRIP
(TB3)
FIRST STAGE ELECTRIC
HEAT CONTACTOR K15
SECOND STAGE ELECTRIC
HEAT CONTACTOR K16
FUSE F3
F3 - 1
FUSE F3
F3 - 3
FUSE F3
F3 - 4
FUSE F3
F3−2
FIGURE 17
EHA 7.5, 15, 22.5, 30, 45, 60KW
ELECTRIC HEAT SECTION PARTS ARRANGEMENT
PRIMARY ELECTRIC
HEAT LIMIT
S15
HEATING ELEMENTS
HE1 − HE7
CONTROL WIRE
HARNESS
ELECTRIC HEAT
VESTIBULE
SECONDARY ELECTRIC
HEAT LIMIT S20