
INSTALLATION & OPERATION MANUAL 1177596 REV 3 (02/23)
PAGE 8 OF 76
Marathoner Gold Half-Size Gas Convection Ovens
WARNING
cause headaches, drowsiness, nausea, or could result in death.
Provisions for adequate air supply must be provided. Do not obstruct the front or rear of the unit as combustion air
enters through these areas.
Be sure to inspect and clean the ventilation system according to the ventilation equipment manufacturer’s instructions.
NOTICE
Proper ventilation is the owner’s responsibility. Any problem due to improper ventilation will not be covered by the
warranty.
Convection ovens require connection to a supply of electricity. The appliance, when installed, must be electrically
grounded in accordance with local codes, or in the absence of local codes, with the National Electrical Code,
ANSI/NFPA 70, or the Canadian Electrical Code, CSA C22.2, as applicable. An electrical diagram is located on the
on page 48.
Ovens ordered with the 120V power option are equipped with one or two power cords with a standard 120V single-phase
plug with a ground prong. Single-deck ovens will have one power cord; double-deck ovens will have two.
order. Ovens with other power options have a terminal block on the rear of the oven that must be wired to the power supply.
Depending on how the power supply is connected to the terminal block, the oven can operate on either single-phase of
three-phase power.
120/60/1 120 Volts, 60 Hz, Single Phase Single-Deck
Double-Deck
7.9
15.8
208/60/1or3 190-219 Volts, 60 Hz, Single or Three Phase Single-Deck
Double-Deck
4.3
8.6
240/60/1or3 220-240 Volts, 60 Hz, Single or Three Phase Single-Deck
Double-Deck
3.8
7.5
240/50/1or3 208-240 Volts, 50 Hz, Single or Three Phase Single-Deck
Double-Deck
6.0
12.0
If a ventilation canopy is used, it is recommended that a canopy extend 6” past the appliance and that the bottom edge
fan tends to create a vacuum in the room and may interfere with burner performance. Fresh air openings approximately
equal to the fan area will relieve such a vacuum. In case of unsatisfactory performance on any appliance, check the
appliance with the exhaust fan in the “OFF” position. Do this only long enough to check equipment performance. Then
turn the exhaust fan back on and let it run to remove any exhaust that may have accumulated during the test.