Middleby Marshall RED LOBSTER PS200-R68 Series, Operating And Installation Manual

Page: 22 / 88

16
SECTION 2
INSTALLATION
24"
610mm
6
ON
OFF
3”
76mm
6
ON
OFF
24"
610mm
5
2
3
4
1
7
2
To
Oven
To
Oven
To Oven (Fle
xible Hose)
6”
152mm
GAS OVEN ROUGH-IN
UTILITY ROUGH-IN DIMENSIONS AND POSITIONING
FOR PS200-R68 SERIES OVENS
GAS SUPPLY &
ELECTRICAL SUPPLY
PROVIDED BY CUSTOMER
DO NOT USE CONDUIT
FOR GROUND
CAUTION
IT IS REQUIRED THAT THE OVEN BE
PLACED UNDER A VENTILATION
HOOD FOR ADEQUATE AIR SUPPLY
AND VENTILATION.
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 (12.74m 3 h) for 1 or 2 oven cavities.
Add 180 Cu.Ft./Hour (5.1m 3 h) 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
User Supplied Items:
ITEM QTY DESCRIPTION
1 1 2"(51mm) X 2"(51mm) X 3/4"(19mm) TEE
2 3 3/4"(19mm) X 3"(76mm) NIPPLE
3 2 3/4" (19mm) FULL FLOW GAS SHUT-OFF VALVE
4 1 2"(51mm) X 2"(51mm) 90° ELBOW
5 1 2"(51mm) ID GAS SUPPLY PIPE LINE
-NATURAL GAS
6 2 15 AMP TOGGLE SWITCH - 2 POLE for GAS
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.
Figure 2-8
Typical Installation