Middleby Cooking Systems Group PS536 Electrical specifications for electric ovens per oven cavity

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SECTION1-DESCRIPTION

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 .

ENGLISH

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)

 

 

 

 

 

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.

IMPORTANT

Additional electrical information is provided on the oven's serial plate, and on the wiring diagram inside the machinery compartment.

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Contents PS536 Gas and Electric Ovens English Table of Contents Oven Uses III. Oven SpecificationsII. Oven Components see Figure Conveyor Drive Motor Moves the conveyorElectrical specifications for electric ovens per oven cavity Installation Installation Kit Installation KIT see FigureRequirements II. Ventilation SystemRecommendations Other ventilation concernsTop panel and base pad installation III. AssemblyStacking Restraint Cable InstallationAssembling and tensioning the conveyor Conveyor Installation10 Conveyor placement Final AssemblyVI. Electrical Supply Rate regulator Must be installed in the line BeforeVII. GAS Supply ConnectionGas Conversion Gas Utility Rough-In RecommendationsLocation and Description of Controls II. Normal Operation STEP-BY-STEP If the oven uses this Digital Temperature ControllerTurn the Blower switch to the on I position Temperature, if neces 5b. Adjust the temperatureController to a desired set Sary Press the Set Point Unlock keys at Same time. WaitLight III. Quick Reference Digital Temperature ControllersActual SP LockOvertemp IV. Quick Reference Troubleshooting Perform the normal startup procedure Maintenance DailySplit Belt Disassembly and Cleaning II. Maintenance MonthlyIII. Maintenance Every 3 Months Disassembling the idler shaft Slide the two sections of each shaft apartKEY Spare Parts KIT Available sepa- rately. See Figure IV. Maintenance Every 6 MonthsBlower Belt Lubricating the Blower Fan BearingsElectrical Wiring Diagrams Wiring diagram, PS536 Electric Oven 208/230V, 60 Hz, 3 Ph Wiring diagram, PS536 Electric Oven 380V, 50 Hz, 3 Ph English Français