5
AIR SUPPLY
Make certain not to obstruct the fl ow of combustion and ventilation air. Provisions for adequate
air supply must be furnished. The legs supplied with the unit must be installed. Make certain
that air intake openings in the bottom of the appliance are not obstructed. They are essential
for proper combustion and operation of the appliance.
EXHAUST CANOPY
It is essential that facilities be provided over the griddle to carry off fumes and gases. However,
the unit should not be directly connected to a fl ue or stack.
LEVELING UNIT
This griddle is supplied with (4) feet which must be screwed into the legs attached to the body.
Level unit by adjusting the (4) feet which have an adjustment of 1-3/4" (43.75mm) for accurate
and perfect lineup with other units.
CAUTION
DO NOT INSTALL WITHOUT ATTACHING FEET - DO NOT REMOVE FEET.
GAS PIPING
Gas piping shall be of such size and so installed as to provide a supply of gas suffi cient to meet
the full gas input of the appliance. If the appliance is to be connected to existing piping, it shall
be checked to determine if it has adequate capacity. Joint compound shall be used sparingly
and only on the male threads of the pipe joints. Such compounds shall be resistant to the action
of LP gases.
WARNING:
Any loose dirt or metal particles which are allowed to enter the gas lines on this
appliance will damage the valve and affect its operation. When installing this appliance, all pipe
and fi ttings must be free from loose dirt.
GAS PRESSURE REGULATOR
A convertible pressure regulator is provided with each griddle. It should be connected to the
inlet pipe at the rear of the unit. The gas supply line is then connected to it. It is shipped set for
10" (25.4cm) water column manifold pressure for use with propane gas.
MANUAL SHUT-OFF VALVE
A manual shut-off valve should be installed upstream from the union and within 6 feet (1.829m)
of this appliance.
NATURAL GAS
This griddle is equipped with fi xed orifi ce hoods and is shipped from the factory for use on
propane gas. To convert to natural gas, install the burner orifi ce hoods, located in the grease
drawer, as follows:
1. Remove front panel by removing screws located on the front and the bottom.
2. Remove the burner(s) from the orifi ce hood(s). This is accomplished by removing the
burner mounting screw(s) and sliding the burner(s) off the hood(s).
3. Remove propane gas orifi ce hood(s) and install the natural hood(s) furnished.
4. Reinstall burner(s).
Note: MD and TD series units use a #47 drill orifi ce for natural gas and a #55 drill orifi ce
for propane.
5. Reinstall front panel.
6. Remove the slotted, or hex-threaded, plug from the pressure regulator. Invert the plug and
re-install. The letters "NAT" should now be visible on the plug. The regulator is now set
for 6" (15.24cm) water column.
