Middleby Marshall PS500 installation manual Wiring Diagrams, Thermocouples

ENGLISH

Fig. 5-1

Wiring diagram, PS555G or PS570G Gas Oven, 208/240V, 50/60Hz, 1 Ph

THERMOCOUPLES 1-3
	3	2	1
E WHITE RED		WHITE E RED	WHITE RED E	TERMINAL
				BLOCK 1
			TERMINAL	REAR
			BLOCK 4
				PANEL
				GROUND
			WHITE TO HIGH
			LIMIT TC +	FRONT
RED	WHITE	E	RED TO HIGH	GROUND
			GROUND TO HIGH
			LIMIT TC -	PANEL

LIMIT GRD

SPLIT BELT OVENS ONLY

	CONV		PICKUP			TERMINAL
	MOTOR					BLOCK 2
	BRN	BLUE	RED	WHITE	BLACK	BLOWER
					MOTOR LEFT
						BRN	WHITE
					START		BLACK
					CAPACITOR	BLUE
			SPEED CONTROLLER			PURPLE	RED/
							BLACK
						RUN
						CAPACITOR
	CONV		PICKUP
22	MOTOR

CIRCUIT BREAKERS 1-4, 15A

TERMINAL

BLOCK 3

BLOWER

MOTOR RIGHT

BLACK BRN

WHITE

BLUE

PURPLE RED/

BLACK

1 2 3 4

SAFETY SWITCH 1

LEFT REAR

CIRCUIT LAMP BREAKER 5, 3A

CIRCUIT BREAKER 6, 3A

CONTACTOR

SAFETY SWITCH 2

RIGHT REAR

HIGH LIMIT CONTROL MODULE

RED WHT E

THERMO-

COUPLE 1

SAFETY

SWITCH 3

RIGHT FRONT

TRANSFORMER 1 240/280Vp:120Vs 200VA

LINE LOAD

SECTION 5 - ELECTRICAL

BRN	BLUE	RED	WHITE	BLACK	SAFETY
					SWITCH 4
					LEFT FRONT
		SPEED CONTROLLER
		TEMPERATURE				CONVEYOR
						SWITCH
		CONTROLLER
						HEAT
					BLOWER	SWITCH
					SWITCH
COOLING
FAN LEFT

AIR SWITCH 2	AIR SWITCH 1
LEFT REAR	RIGHT REAR
	AIR SWITCH 2
	LEFT REAR
COMBINATION GAS
CONTROL VALVE
	PILOT
	LINE
	LOAD
PILOT	LINE
SENSOR

IGNITION MODULE

COOLING

FAN RIGHT

BURNER TRANSFORMER 2 BLOWER

240Vp:24Vs MOTOR 65VA

BRN BLUE

LINE

TRANSFORMER 3 240Vp:24Vs, 25VA

MODULATING

GASVALVE

FRONT

FLOOR

GROUND

LOAD

4-20V DC OUTPUT 24V AC INPUT

AMPLIFIER

BOARD

WIRING DIAGRAMS

E

IMPORTANT

An electrical wiring diagram for the oven is also located inside the machinery compartment.