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2. SPECIFICATIONS - EM-G450+G451
Rated Power Consumption ........ Dual 2400W
Microwave 1300W
Grill 1100W
Microwave Output ...................... 800W
Frequency .................................. 2,450 MHz * 50 MHz
Power Supply .............................24 OV.5OHz
Rated Current .............................6.1 5*1 0?40Amps Micro
(After 15mins.)
4.72107. Amps Grill
(After 15mins.)
10.5~1 0% Amps Dual
(After 15mins.)
Safety Devices ........................... Thermal Protector for
Magnetron, Open
at 135”C.
Thermal Protector for
Cavity, Open at 150°C.
Thermal Protector for
Heater, Open at 122”C.
Fuse (Cartridge Type
8A)
Primary Interlock Switch
-1
Door Sensing Switch
w
Interlock Monitor Switch
Timer .......................................... Electronic Digital
90min x 3 Stages
Overall Dimensions ......... 500(W) x373( D)x322(H)mm
Oven Cavity Size .............
304(W) x304( D)x230(H)mm
Turntable ~ameter ................~....275mrn’
Net Weight ..................................Approx.
3. POWER OUTPUT MEASUREMENT
(1) Prepare 1000f5g tap water.
17.5Kg.
(2) Adjust water temperature to 10°Cf20C.
(3) Pour water into a container made of
borosilicate glass, 190mm outer diameter
cylinder, maximum 3mm thickness.
(4) Place the container in the centre of the oven
cavity.
(5) Set the heating time for 52 seconds at full
power and start the oven.
(6) Take the container out immediately when
heating time is up.
(7) Stir water for making even water temperature
in the container.
(8) Measure water temperature.
Water temperature rise should be between 8°C to 12°C
for correct power output.
4.PRECAUTIONS AND REPAIR SERVICE TIPS
PRELIMINARY
A. SINCE NEARLY 4,000 VOLTS EXIST IN
SOME CIRCUITS OF THIS MICROWAVE
OVEN, REPAIRS SHOULD BE CARRIED
OUT WITH GREAT CARE
B.TO AVOID POSSIBLE EXPOSURE TO
MICROWAVE ENERGY LEAKAGE, THE
FOLLOWING PRECAUTIONS MUST BE
TAKEN BEFORE SERVICING.
J1\Before the Dower is armlied.
(a)Open and close door several times to make sure
the primary interlock switch, the door sensing switch,
and the interlock monitor switch operate properly.
(Listen for the clicking sound from switches). Make
sure the interlock monitor switch is closed after the
primary interlock switch is opened, when the door is
opened. (See pages 1 and 8).
(b)Make sure the perforated screen and the dielectric
choke of the door are correctly mounted.
J2)After the DO
wer is armlied.
(a)Open and close the door to see if the interlock
mechanism operates properly.
(b)Check microwave energy leakage with a leakage
detector and confirm the energy leakage is below
5mW/cmz.
4
j31Do not ooerate the u
nit until it is comdetelv
reDaired, if anv of the followina conditions exists.
(a)Door does not close firmly against the cavity front.
(b)The hinge is broken.
(c)The choke dielectric or the door seal is damaged.
(d)The door is bent or warped, or there is any other
visible c’zrnage to Ihe own thd may cause
microwave
Ci-,5rCjy !eakdge.
NOTE: Always keep the seal clean
(c)Make sure there are no defective parts in the
microwave generating and transmission assembly.
(especially waveguide).
(f)Make sure there are no defective parts in the inter
lock mechanism.
j4)Followina items should be checked after the unit is
reDaired.
(a)The inter[ock monitor switch is connected
correctly and firmly.
(b)The magnetron gasket on the magnetron is
properly positioned.
(c)Wave guide and oven cavity are intact (no leakage
of microwave energy).
(d)The door can be properly closed and the safety
switches work properly.
(c)The oven must be stopped when the door is
opened or the time is up.
The oven must not be operated with any of the above
components removed or bypassed.
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