Middleby Cooking Systems Group PS536 - Manual (Page 5)

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ENGLISH
Table 1-3: Electrical specifications for electric ovens (per oven cavity)
Main Blower Control Current Draw k W
Voltage Circuit Voltage Phase Freq. L1 L2 L3 N Rating Poles Wires
208V 120V conv. speed control, 3 Ph 60 Hz 50A 50A 50A -- 16.0 kW 4 Pole 4 Wire
drive motor, contactor, at 208V (3 hot, 1 gnd)
& temp. control; all others 208V
230V 120V conv. speed control, 3 Ph 60 Hz 45A 45A 45A -- 16.0 kW 4 Pole 4 Wire
drive motor, contactor, at 230V (3 hot, 1 gnd)
& temp. control; all others 230V
380V * 120V conv. speed control, 3 Ph 50 Hz 25A 25A 28A 5A 16.0 kW 4 Pole 5 Wire (3 hot,
drive motor, contactor, at 380V 1 neutral, 1 gnd)
& temp. control; 380V heating
elements; all others 240V
* 380V model is not approved by or .
SECTION 1 - DESCRIPTION
Table 1-5: Gas orifice and pressure specifications (per oven cavity)
Orifice (Manifold)
Gas Type Main Orifice I.D. Pilot Orifice I.D. Supply (Inlet) Pressure Pressure
Natural 0.0935” (2.3749mm, #42 drill) 0.018” (0.46mm) 4-7” W.C. (9.95-17.4mbar) * 3.5” W.C. (8.7mbar)
Propane 0.0520” (1.3208mm, #55 drill) 0.018” (0.46mm) 11-14” W.C. (27.4-34.9mbar) * 10.5” W.C. (24.9mbar)
* The gas supply pressures shown are for ovens installed in North America. The required gas supply pressures of other locations are
dependent on the local gas type and on all applicable local codes.
Table 1-4: Electrical specifications for gas ovens (per oven cavity)
Main Blower Control Current
Voltage Circuit Voltage Phase Freq. Draw Poles Wires
208/240V 120V conv. speed control, 1 Ph 60 Hz 6A 3 Pole 4 Wire (2 hot, 1 neut, 1 gnd)
drive motor, contactor,
& temp. control; all others
as per line (208/240V)
IMPORTANT
Additional electrical information is provided on the oven's serial plate, and on the wiring diagram inside the machinery
compartment.