Middleby Marshall GAS Supply Electrical Supply, Do not USE Conduit For Ground, Oven Rough-In

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SECTION 2

INSTALLATION

GAS OVEN ROUGH-IN

UTILITY ROUGH-IN DIMENSIONS AND POSITIONING

CAUTION

IT IS REQUIRED THAT THE OVEN BE PLACED UNDER A VENTILATION HOOD FOR ADEQUATE AIR SUPPLY AND VENTILATION.

GAS SUPPLY

&

ELECTRICAL SUPPLY

PROVIDED BY CUSTOMER

DO NOT USE CONDUIT

FOR GROUND

CIRCUIT BREAKER

1 circuit breaker/fused disconnect switch with lockout/tagout is required for each oven cavity. Wire each oven cavity separately.

ELECTRICAL SPECIFICATIONS

220-230V, 1 Ph, 8 Amp draw, 50 Hz, 2 pole, 3 wire system per oven cavity (2 hot, 1 grd).

GAS RATING

Models PS360U/L: 135,000 BTU/HR, 34,020kcal/HR, 40kW/HR

Models PS360WB-U/-L: 170,000 BTU/HR, 42,840kcal/HR, 50kW/HR

 

 

5

 

 

 

2

To

 

 

 

Oven

 

1

 

3

 

 

 

 

5

 

 

6

To

 

2

 

Oven

 

To

 

 

 

 

 

 

Oven

 

4

 

3

6

 

 

 

 

 

 

To

 

 

 

Oven

 

 

MINIMUM GAS METER RATING

600Ft.3/Hour (17m3h) for 1 or 2 oven cavities. 1200 Ft.3/Hour (34m3h) for 3 or 4 oven cavities.

Minimum rating does not take other gas appliances into consideration. Gas consumption varies at each site. Total BTU/HR (kcal/hr) must be calculated on high flame off of each appliance to determine if meter needs to be larger.

MINIMUM GAS PIPE SIZE

Natural: 2" (51mm) ID for 1 or 2 oven cavities with runs up to 200 ft.(61m).

OR

2-1/2" (64mm) ID for 3 or 4 oven cavities with runs up to 200 ft.(61m)

Must be a dedicated line.

Runs over 200 ft. consult factory

Propane: 1-1/2" (38mm) ID for 1 or 2 oven cavities with runs up to 200 ft.(61m).

OR

2" (51mm) ID for 3 or 4 oven cavities with runs up to 200 ft.(61m).

Must be a dedicated line.

Runs over 200 ft. consult factory

Figure 2-31

Oven Rough-In

GAS VALVES

3/4" (19mm) ID full flow gas shut-off valve.

A separate connection and valve must be provided for each oven.

REQUIRED SUPPLY GAS PRESSURE

Natural: 20-30mbar

Propane: 50mbar

SUGGESTED

If space permits, service should be located to the left of the ovens to allow access to switches and valves.

User Supplied Items:

ITEM DESCRIPTION

12"(51mm) X 2"(51mm) X 3/4"(19mm) TEE

2 3/4"(19mm) X 3"(76mm) NIPPLE

3 3/4" (19mm)FULLFLOW GAS SHUT-OFF VALVE

4 2"(51mm) X 3/4"(19mm) 90° REDUCER ELBOW

5 2"(51mm) ID GAS SUPPLY PIPE LINE-NATURAL GAS

6 15 AMP TOGGLE SWITCH - 2 POLE for GAS

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Contents Section Installation UNLOADING/UNPACKINGII. INSTALLATION, PREPARATION, and Supply Ventilation Hood Dimensions Recommendations onlyRecommendations III. Ventilation SystemRequirements Other Ventilation ConcernsInstallation KIT Dimensions and Data PS360L Tandem Dimensions and Data PS360WB Double Tandem Dimensions and Data PS360U Tri Tandem Dimensions and Data PS360WB-U Tri Tandem Dimensions and Data PS360U Quad Tandem Dimensions and Data PS360WB-U Quad Tandem Thermocouple Installation Locations IV. Thermocouple InstallationPlacing the Thermocouple Leads Thermocouple Lead Connections Assembly Exploded View Upper Oven StandCooling Fan Removal Oven Positioning and AlignmentJoining the Oven Bodies Aligning the Ovens for Assembly Bolts and SpacersChecking Track Rail Alignment Trim Strip PositioningTransition Frame Placement 22a Support Brackets Lower OvenInstalling the Transition Floor Panel Replacing Transition FrameInstalling the Conveyor Frame and Belt 25aInside Master Links Conveyor Link OrientationOutside Master Links Transition Assembly Conveyor Motor and Drive Chain AssemblyDo not USE Conduit For Ground GAS Supply Electrical SupplyOven Rough-In VI. Electrical Connection Typical Oven Data Plate Models PS360/PS360WB During Pressure Testing Note ONE Following Flexible Hose Connector InstallationVII. GAS Supply for GAS Heated Ovens For USE with Natural GAS VIII. Preparation for Various GasesFor USE with Liquid LP GAS Burner/Piping Assembly GAS Type and Pressure LabelVolumetric Method IX. Changing OrificesTo Check GAS Supply Pressure XI. Variations of Rated Supply PressuresOrifice Manifold Pressure Method Special Notices