Middleby Marshall X55G Series, Owner'S Operating & Installation Manual

Page: 17 / 46

SECTION 2
INSTALLATION
17
UTILITY ROUGH-IN FOR X70G/X55G-SERIES OVENS
Utility Connection Locations for Gas Ovens
WARNING
Do not use conduit or gas line for ground
connection.
CAUTION
It is recommended that the oven be placed
under a ventilation hood for adequate air supply
and ventilation.
IMPORTANT
Electric supply to be provided by customer.
WARNING
Authorized installation personnel normally
accomplish the connections for the ventilation
system, electric supply, and gas supply, as
arranged by the customer. Following these
connections, the factory-authorized installer
can perform the initial startup of the oven.
ELECTRICAL SUPPLY
NOTE:
The electric supply installation must satisfy the
requirements of the appropriate statutory authority
such as the National Electrical Code, CSA C22.2; the
Australian Code AG601; or other applicable
regulations.
NOTE: The electric supply connection must meet all
national and local electrical code requirements.
Check the oven serial plate before making any electric
supply connections. Electric supply connections must
agree with data on the oven serial plate. The location
of the serial plate is shown in Figure 4 (in Section 1).
A fused disconnect switch or a main circuit breaker
(customer furnished) MUST be installed in the electric
supply line for each oven cavity. It is recommended
that the switch/circuit breaker have Lockout/Tagout
capability.
The supply conductors must be of the size and
material (copper) recommended. Refer to the wiring
diagram inside the machinery compartment of the
oven. Electrical specifications are also listed on the
oven’s serial plate and in X70G/X55G Series
Specifications in Section 1.
The oven requires a ground connection to the oven
ground screw. For gas ovens, the screw is located in
the electrical junction box (see Figure 12). If
necessary, have the electrician supply the ground
wire. Do NOT use the wiring conduit or other piping for
ground connections.
Incoming electrical power lines are fed through the
strain-relief fitting, shown in Figure 12. The electrical
supply connections are made inside the electrical
junction box. The power lines then connect to the oven
circuits through safety switches located inside the
machinery compartment and each blower motor
compartment. These switches interrupt electrical
power to the oven when the Machinery Compartment
Access Panel is opened, OR when the rear panel is
removed.