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GAS CONNECTION
Gas supply connections and any pipe joint compound must be
resistant to the action of propane gases.
Codes require that a manual gas valve be installed in the gas supply line ahead of the appliance. Make sure the
pipes are clean and free of obstructions, dirt, and piping compound. A pressure regulator is supplied loose with
the Cheese Melter for installation in the gas supply line. The Natural gas regulator requires a pressure of 5" Water
Column. The Propane gas regulator requires a pressure of 10" Water Column. The arrow on the rear of the
pressure regulator indicates the direction of gas flow. The regulator (Fig. 2) must be installed so the arrow points
down. If it is installed so the arrow is not pointing down, the pressure must be reset. Connect the Cheese Melter
to the gas supply with a
3
/4" iron pipe or larger. If a flexible connector is used, it must be
3
/4" I.D. A
1
/8" pressure
tap is located on the manifold for checking the gas pressure. Natural or Propane gas conversion and orifice
changes for various altitudes can be performed by Vulcan-authorized servicers.
Prior to lighting, check all joints in the gas supply line for leaks.
Use soap and water solution. Do not use an open flame.
TESTING THE GAS SUPPLY PIPING
When test pressures exceed ½ psig (3.45 kPa) the Cheese Melter and its individual shut-off valve must be
disconnected from the gas supply piping system during any pressure testing of the system. When test pressures
are 1/2 psig (3.45 kPa) or less, the Cheese Melter must be isolated from the gas supply piping system by closing
its individual shut-off valve during any pressure testing of the system.
EXHAUST FAN
A mechanical exhaust hood must be installed above the appliance; the exhaust blower must have a capacity of
200 CFM per square foot of broiler area, check local code for specific requirements.
Model
ICM24
ICM36
ICM48
ICM60
ICM72
Minimum Exhaust Fan Rating
388 CFM
604 CFM
821 CFM
1038 CFM
1255 CFM
LIGHTING THE GAS PILOT TUBE(S)
Before lighting the Cheese Melter, make sure that all burners are turned off. Wait 5 minutes. Turn on the manual
gas valve and use a taper to light the gas pilot tube(s). A gas pilot tube is located below each burner (Fig. 3).
Fig. 2 Fig. 3