Middleby Marshall PS200-R68 GAS Oven ROUGH-IN, Provided by Customer, Typical Installation

SECTION 2

INSTALLATION

GAS OVEN ROUGH-IN

UTILITY ROUGH-IN DIMENSIONS AND POSITIONING

FOR PS200-R68 SERIES OVENS

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

15 Amp circuit breaker with lockout/tagout electrical shutoff for each cavity. Wire each cavity separately.

ELECTRICAL SPECIFICATIONS DOMESTIC: 208-240V main blower motors, 1 Ph, 4.1 Amp draw, 50/60 Hz, 120V control circuit, 3 pole, 4 wire system per cavity (2 hot, 1 neut, 1 grd). Do not use conduit for ground.

or

EXPORT: 200-208V or 220-240V main blower motors, 1 Ph, 4.1 Amp draw, 50/60 Hz, 120V transformer control circuit, 2 pole, 3 wire system per cavity (2 hot, 1 grd). Do not use conduit for ground.

GAS RATING

Model PS200-R68 is 120,000 BTU/Hour (30,240 kcal), 35.1 kW/HR

Models PS224-R68 & 220-R68 are 100,000 BTU/Hour (25,200 kcal), 29.3 kW/HR

MINIMUM GAS METER RATING

450 Cu.Ft./Hour (12.74m3h) for 1 or 2 oven cavities. Add 180 Cu.Ft./Hour (5.1m3h) for each additional cavity.

Minimum rating may 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

5

ON 6

To	OFF
Oven
	24"
6	610mm
	ON
To	OFF
Oven

1

24"

610mm

2	3	2	7	6”
To				152mm
Oven
	(Fl
	exible H			3”
			ose)
			4	76mm

Figure 2-8

Typical Installation

GAS SHUTOFF 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: 6 " to 14 " (152 to 356mm) water column

Propane: 11.5" to 14" (290 to 356mm) water column

SUGGESTED

If space permits service should be located at the drive end of the ovens to allow access to switches and valves.

User Supplied Items:

ITEM QTY DESCRIPTION

11 2"(51mm) X 2"(51mm) X 3/4"(19mm) TEE

23 3/4"(19mm) X 3"(76mm) NIPPLE

32 3/4" (19mm) FULL FLOW GAS SHUT-OFF VALVE

41 2"(51mm) X 2"(51mm) 90° ELBOW

51 2"(51mm) ID GAS SUPPLY PIPE LINE

-NATURAL GAS

6 2 15 AMP TOGGLE SWITCH - 2 POLE for GAS

16