Specifications

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 MT3270 requires a 9 Amp, 60HZ, 1Φ,
208-240VAC, 4 wire service consisting of L1, L2,
neutral and ground. W iring from the power source
to these units must be a minimumof #16 AWGCU.
stranded wire or larger.
Single phase units MUST NOT be connected to
the high leg of a t hree 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 t h e t wo black wires to th e 208-240
volt power source.
2. Connect the white wire to the system neutral.
3. Connect the green w ire to the system ground.
L1
N
L2
120
120
208-240
OvenSupply
U.S. and Canadian installations
Figure 18
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 MT3270 requires a 15 Amp, 50Hz, 1Φ,
220-240 VAC, 3 wire service consisting of L1, neu-
tral and ground. Use 90_Cwireandsizewireac-
cording t o local codes.
L1
N
220-240
OvenSupply
General export installations
Figure 19
THE BLODGETT OVEN COMPANY CANNOT AS-
SUME RESPONSIBILITY FOR LOSS OR DAMAGE
SUFFERED AS A RESULT OF IMPROPER INSTAL-
LA TION.