Middleby Marshall PS528G Section Installation, G.Maintenance, H.Connection, F.Checkout

SECTION 2

INSTALLATION

Figure 2-16. Gas Burner Assembly

Gas Burner

Manifold Pressure Tap

Figure 2-17. Burner Assembly

G.Maintenance

It is recommended to check yearly the minimum and the maximum setting and readjust them if necessary.

H.Connection

WARNING

Some procedures in this section may require conversions, readjustments, or service on the oven's gas system. Before performing these procedures, check that the main= gas supply valve and the circuit breaker/fused disconnect are in the OFF ("O") position. After completing these procedures, perform a

gas leak test before operating the oven.

CAUTION

The terms of the oven's warranty require all start-ups, con- versions and service work to be performed by a Middleby Marshall Authorized Service Agent. The installation, start-up and changes required when changing from one gas type to another can be performed ONLY by a certified professional.

Main Orifices

Gas Burner

Assembly

Manifold Pressure Tap

Gas Valve

NOTE: Certain safety code requirements exist for the installation of gas ovens; refer to the beginning of Section 2 for a list of the installation standards. In addition:

• In the USA, the installation must conform with local codes,

or in the absence of local codes, with the National Fuel

Gas Code, ANSI Z223.1.

• In Canada, the installation must conform with local codes,

or in the absence of local codes, with the Natural Gas

Installation Code, CAN/CGA-B 149.1, or the Propane

Installation Code, CAN/CGA-B 149.2, as applicable.

• InAustralia, the installation must conform withAGACodes

AG311 and AG601, and with any requirements of the

appropriate statutory authority.

• In CE countries, the gas supply connection should be

according to EN-203 (gas appliance directive) and to

applicable ISO 228-1 or ISO 7-1 recommendations. All

Figure 2-18. Gas Valve

Adjustment Screw (5 mm)	Adjustment
for minimum pressure	Screw (8 mm) for
setting	maximum
	pressure
	setting

F.Checkout

After any adjustment, set appliance in operation and observe through a component cycle to ensure that burner system components function correctly.

	aspects of the gas supply connection must comply with
	current IEC/CEE requirements and with all applicable
	local, national, and international codes.
•	For all ovens equipped with casters, the gas line connection
	shall be made with:

-A connector that complies with the Standard for Connectors for Movable GasAppliances,ANSI Z21.69 (in USA), or Connectors for Movable GasAppliances, CAN/CGA-6.16 (in Canada).

Check the oven’s gas supply requirements to determine the type of gas to be used with the oven. If the gas type required does NOT match the local supply:

•For North American installations, a conversion kit is supplied with the oven to allow operation using propane gas. Refer to Part B, Gas Conversion, in this section.

•For CE ovens, directions for converting the oven for use with other gases are described in Part D.1, Preparation for Use with Various Gases, in this section.

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