Installation
15
Electrical Connection
Before making any electrical connections to this
unit, check that the power supply is adequate for
the voltage, amperage, and phase requirements
stated on the rating plate.
NOTE: The rating plate is mounted on the control
box.
A wiring diagram accompanies this manual and is
also attached inside the control box.
U.S. and Canadian installations
The MT3255G requires a 7 Amp, 60HZ, 1
Φ
,
208-240VAC, 4 wire service consisting of L1, L2,
neutral and ground. Wiring from the power source
to these units must be a minimum of #16 AWG CU.
stranded wire or larger.
Single phase units MUST NOT be connected to
the high leg of a three phase system. The high leg
refers to a potential of 240 volts between one
phase and neutral. The remaining two legs have
a potential of 120 volts between each phase and
neutral.
Connect the four wires at the connections box lo-
cated on the lower left side of the control panel
1. Connect the two black wires to the 208-240
volt power source.
2. Connect the white wire to the system neutral.
3. Connect the green wire to the system ground.
L1
N
L2
120
120
208-240
Oven
Supply
U.S. and Canadian installations
Figure 19
WARNING!!
Incorrect single phase wiring will result in
extensive damage to electrical compo-
nents and possible fire in the control pan-
el.
General export and Australian installations
The MT3255G requires a 7 Amp, 50Hz, 1
Φ
,
220-240 VAC, 3 wire service consisting of L1, neu-
tral and ground. Use 90
_
C wire and size wire ac-
cording to local codes.
L1
N
220-240
Oven
Supply
General export installations
Figure 20
THE BLODGETT OVEN COMPANY CANNOT AS-
SUME RESPONSIBILITY FOR LOSS OR DAMAGE
SUFFERED AS A RESULT OF IMPROPER INSTAL-
LATION.
