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