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ELECTRIC COMBI OVEN - ELECTRICAL OPERATION
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KM5 (5CON)
.................
Contactor for steam generator heating elements; (7HTR) on 20 level half
and (8HTR) on 20 level full only.
KM6 (6CON)
.................
Contactor for convection heating elements; (1HTR) on 6 level; (1HTR)
inner on 10 level; (1HTR) Inner top and (5HTR) inner bottom on 20 level.
KM7 (7CON)
.................
Contactor for convection heating elements; (3HTR) outer on 10 level;
(3HTR) outer top and (6HTR) outer bottom on 20 level.
1HTR Heating Element
.........
Single convection heating elements on 6 level; Inner on 10 level and 20
level (top).
2HTR Heating Element
.........
Steam generator heating elements on 6, 10 and 20 level.
3HTR Heating Element
.........
Outer convection heating elements on 10 level and 20 level (top).
4HTR Heating Element
.........
Steam generator heating elements on 10 and 20 level.
5HTR Heating Element
.........
Inner convection heating elements on 20 level (bottom).
6HTR Heating Element
.........
Outer convection heating elements on 20 level (bottom).
7HTR Heating Element
.........
Steam generator heating elements on 20 level 1/2 size.
8HTR Heating Element
.........
Steam generator heating elements on 20 level full size.
NOTE
: The relay’s below are mounted on the relay board and are not individually replaceable.
K1 Door Relay
................
Controls power to door motor(s).
K2 Vent Relay
................
Controls power to cavity vent motor.
K3 On-Off Relay
..............
Controls power to component cooling fan(s) and supplies power to one
side of K4, K5, and K6, K7, K8, K9 and K10 through the thermal fuses
and high limit thermostats.
K4 Water Injection Relay
.......
Controls power to water injection solenoid valve (humidifier) and door
light when K3 is ON.
K5 Water Fill Relay
............
Controls power to water fill solenoid valve (when K3 is ON) and drain
pump motor (when K3 is OFF).
K6 Half Power
Full Speed Relay
.............
Controls power to contactor KM1. This relay is energized along with K7
for full power full speed operation, and is also energized in half power
speed half mode. When half power half speed mode is selected, relay K6
is energized.
K7 Half Power
Half Speed Relay
.............
Controls power to contactor KM2. This relay is energized along with K6
for full power full speed operation. When half power half speed mode is
selected, relay K7 is not
energized. On 20 level models only, controls
power to contactor KM3 for steam generator heating elements, and
powers 2SOL drain cool down solenoid.
K8 Steam Regulation Relay
.....
Controls power to KM3 for steam generator heating elements, and
powers 2SOL drain cool down solenoid valve on 6 & 10 levels. On 20
level models only, controls power to contactor KM5.
K9 Convection Heat Relay
......
Controls power to KM6 for convection heating elements; (1HTR) single
on 6 level ;(1HTR) inner on 10 level; (1HTR) inner top and (5HTR) inner
bottom on 20 level.
K10 Convection Heat Relay
.....
Controls power to KM7 for convection heating elements ; (3HTR) outer
on 10 level; (3HTR) outer top and (6HTR) outer bottom on 20 level.