Lennox LHT Series - Electric Heat System; Optional Electric Heat Overview; Electric Heat Contactors; High Temperature Limits for Electric Heat

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FIGURE 10
EHO 7.5, 15, 22.5, 30, 45, 60KW
ELECTRIC HEAT SECTION PARTS ARRANGEMENT
PRIMARY ELECTRIC
HEAT LIMIT
S15
HEATING ELE
MENTS
HE1 - HE6
P2
CONTROL WIRE
HARNESS
ELECTRIC HEAT
VESTIBULE
SECONDARY
LIMIT S20
ELECTRIC
HEAT THERMOSTAT
S19
SECONDARY
LIMIT S20
SECONDARY
LIMIT S20
SECONDARY
LIMIT S20
SECONDARY
LIMIT S20
SECONDARY
LIMIT S20
FUSE F3
F3-2
FIGURE 11
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 F4
F4 ‐ 1
FUSE F4
F4 ‐ 2