Middleby Marshall PS528 (Double) Ii. Ventilation Guidelines, Electrical Specifications, Suggested

SECTION 2

INSTALLATION

UTILITY ROUGH-IN DIMENSIONS AND POSITIONING

FOR PS528-SERIES 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.

ELECTRIC SUPPLY TO BE

PROVIDED BY CUSTOMER

CIRCUIT BREAKER

Separate circuit breaker with lockout/tagout electrical shutoff for each oven. Wire each oven separately.

60 Amp circuit breaker for 208-240V 1ph, 50 Amp circuit breaker for 208-240V 3ph, or 30 Amp circuit breaker for 380-480V.

ELECTRICAL SPECIFICATIONS

Blower/	208V	240V	380V	480V	280V	230V	240V
Element
Phase	3	3	3	3	1	1	1
Circuit	208/240	208/240	208/240	208/240	208/240	208/240	208/240
kW	12	12	12	12	10	9.2	10
Frequency	50/60	50/60	50/60	50/60	50/60	50/60	50/60
Poles	3	4	4	4	2	2	2
Wires	4	5	5	5	3	3	2
L1	35.3	30.8	20.2	16.4	48.1	40.0	41.7
L2	35.3	30.8	18.2	14.4	48.1	40.0	41.7
L3	33.3	28.8	18.2	14.4	-	-	-
N	-	-	2.0	2.0	-	-	-

Figure 2-9. Typical PS528-Series Oven(s)

Installation

CAUTION

UNIT MUST HAVE AIR VENT PLATES

INSTALLED OR WARRANTY WILL BE VOID.

II. VENTILATION GUIDELINES

A mechanically driven ventilation system is recommended for the PS528 Series Middleby Marshall conveyorized electric ovens.

Local codes and conditions vary greatly from one area to another and must be complied with. Following are the sug- gested requirements for good ventilation. Please remember these are recommendations or guidelines, you may have a special condition or problem that will require the services of a ventilation engineer or specialist. Proper ventilation is the oven owner’s responsibility. Improper ventilation can inhibit oven performance.

Please Note: There are now two “stand off” ‘C’ Channels

that must be installed in the field (See Section 6: PARTS LIST, page 44-45 for reference, Item 5).

SUPPLY WIRE

Supply wire size must be in accordance with the National Electrical Code (current edition) and must be in compli- ance with local codes.

SUGGESTED

If space permits, service should be located near the control console end of the oven(s) to allow convenient access to safety switches.

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