III. VENTILATION SYSTEM

IMPORTANT

Where national or local codes require the installation of fire suppression equipment or other supplementary equipment, DO NOT mount the equip- ment directly to the oven.

MOUNTING SUCH EQUIPMENT ON

THE OVEN MAY:

VOID AGENCY CERTIFICATIONS

RESTRICT SERVICE ACCESS

LEAD TO INCREASED SERVICE EXPENSES FOR THE OWNER

A.REQUIREMENTS

A mechanically driven ventilation system is required for the oven.

PROPER VENTILATION OF THE OVEN IS THE RESPONSIBILITY OF THE OWNER.

B. RECOMMENDATIONS

NOTE THAT THE HOOD DIMENSIONS SHOWN IN FIG- URE 2-2 ARE RECOMMENDATIONS ONLY. LOCAL AND NATIONAL CODES WILL VARY, AND MUST BE FOLLOWED WHEN INSTALLING THE VENTILATION SYSTEM. ANY APPLICABLE LOCAL AND NATIONAL CODES SUPERSEDE THE RECOMMENDATIONS SHOWN IN THIS MANUAL.

SECTION 2

INSTALLATION

The rate of air flow exhausted through the ventilation system may vary depending on the oven configuration and hood design. Consult the hood manufacturer or ventilation engineer for these specifications.

To avoid a negative pressure condition in the kitchen area, return air must be brought back to replenish the air that was exhausted. A negative pressure in the kitchen can cause heat- related problems to the oven components as if there were no ventilation at all. The best method of supplying return air is through the heating, ventilation and air conditioning (HVAC) system. Through the HVAC system, the air can be temperature-controlled for summer and winter. Return air can also be brought in directly from outside the building, but detrimental effects can result from extreme seasonal hot and cold temperatures from the outdoors.

NOTE: Return air from the mechanically driven system must not blow at the opening of the baking chamber. Poor oven baking performance will result.

C. OTHERVENTILATIONCONCERNS

Special locations, conditions, or problems may re- quire the services of a ventilation engineer or special- ist.

Inadequate ventilation can inhibit oven performance.

It is recommended that the ventilation system and duct work be checked at prevailing intervals as speci- fied by the hood manufacturer and/or HVAC engineer or specialist.

Fig. 2-2 - Ventilation System

2-3

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Middleby Marshall PS360WB III. Ventilation System, Requirements, Recommendations, Otherventilationconcerns

PS360, PS360WB specifications

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