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32
SEQUENCE OF OPERATION ECCO-C
Power switch turned on.
240/208 VAC across Common terminals on power switch and
“A”
terminal of 24 pin.
Terminal block
.
240/208 VAC across any
“A”
and
“B”
terminal of 24 pin
Terminal block
.
240/208 VAC to Common terminals of
Motor relay
.
240/208 VAC across common terminals of
Back-up toggle switch
.
120 VAC to coil of
Back-up relay
.
240/24 volt transformer energized.
24 VAC across
“C”
and
“D”
(common) of 24 pin
Terminal block
.
24 VAC across
“D”
and coil of
Motor relay
.(Through door switch)
24 VAC across
“D”
and of
Heat contactor
. (Through door switch and high limit
thermostat)
24 VAC across
“D”
and Common terminals of
Back-up relay
.
240/12 volt transformer energized.
Back-up toggle switch Off.
24 VAC across
“D”
and
TP4, TP5
and
TP6
.
12 volts to
TP1
on
microprocessor
.
24 VAC across coil of
motor contactor
.
Motor contactor closes.
240/208 VAC across NO (Normally open) contacts of
Motor relay
.
Motor starts.
24 VAC across coil of
Heat contactor
.
Heat contactor
closes.
208/240 volts to elements.
Oven heats.
Back-up toggle switch Off.
208/240 VAC across coil of
Back-up relay
.
Back-up relay closes.
24 VAC across and
Back-up Thermostat
(With door switch energized.)
24 VAC across coil of
Motor relay
.
Motor contactor closes.
240/208 VAC across NO (Normally open) contacts of
Motor relay
.
Motor starts.
Temperature set on back up thermostat.
24 VAC across
“D”
and each terminal of back-up thermostat.
24 VAC across coil of
Heat contactor
.
Heat contactor closes.
208/240 volts to elements.
Summary of Contents for ECCO-T
Page 27: ...26 GENERAL CONT D ONE PAN TWO PAN THREE PAN FOUR PAN FIVE PAN https appliancetechmanuals com...
Page 53: ...52 WIRING DIAGRAM ECCO T 208 240 https appliancetechmanuals com...
Page 54: ...53 WIRING DIAGRAM ECCO T 480 https appliancetechmanuals com...
Page 55: ...54 WIRING DIAGRAM ECCO AP 208 240 https appliancetechmanuals com...
Page 56: ...55 WIRING DIAGRAM ECCO AP 480 https appliancetechmanuals com...
Page 57: ...56 WIRING DIAGRAM ECCO SII 208 240 https appliancetechmanuals com...
Page 58: ...57 WIRING DIAGRAM ECCO SII 480 https appliancetechmanuals com...
Page 59: ...58 WIRING DIAGRAM ECCO C 208 240 https appliancetechmanuals com...
Page 60: ...59 WIRING DIAGRAM ECCO C 480 https appliancetechmanuals com...
Page 61: ...60 WIRING DIAGRAM ECCO PP 208 240 https appliancetechmanuals com...
Page 62: ...61 WIRING DIAGRAM ECCO PP 480 https appliancetechmanuals com...
Page 63: ...62 WIRING DIAGRAM ECCO PT 208 240 https appliancetechmanuals com...
Page 64: ...63 WIRING DIAGRAM ECCO PT 480 https appliancetechmanuals com...