Middleby Marshall PS520G installation manual Schematics Section

Page 45

 

 

 

 

LS 1

 

 

RFI

 

RH PANEL

 

 

 

 

TB1

 

FILTER

COM 2

NO 2

 

 

 

L3

104

102

 

 

 

N

 

 

104

105

 

 

 

L2

 

G

 

 

103

103

101

COM 1

NO 1

L

L1

 

 

 

GAS

VALVE

IGNITION

 

LS 2

 

 

BACK PANEL

 

4

COM 2

NO 2

 

 

3

COM 1

NO 1

LS 3

LH PANEL

 

COM 2

NO 2

CB2 3A

6

8

 

 

5

COM 1

NO 1

7

 

 

 

CB1 3A

211

105

E

MAIN

210

 

GROUND

12

E

MODULE

GV1

TH 339

GV2

213GV1

GV1

212GV2

GV2

GRD 230

SPARK

IGNITOR

SENSOR

17

42

82

80

 

15

 

HIGH LIMIT

 

44

L1

NC

 

COM

L2

 

 

19

RESET

NO

COOLING

FAN

M

BLOWER

 

 

 

MOTOR

CONTACTOR

 

 

UPPER

 

 

 

 

 

 

 

11

 

57

2T1

1L1

 

 

 

 

 

20

 

48

4T2

3L2

 

 

 

 

 

22

 

59

6T3

5L3

13

 

62

14NO

13NO

15

 

42

A2

A1

 

 

 

 

C1

 

24

CONVEYOR

CONTROLLER

 

8

 

DIP

7

 

6

 

SWITCH

5

 

SETTINGS

4

 

3

 

 

 

ON

2

OFF

1

+ 5V

 

SPEED

DISPLAY

MODULE

CONV MOTOR

RPM PICK-UP

41

IGNITION

E

GROUND

XFMR2 PRIMARY 240V 50/60 Hz

SECONDARY 24V 65VA

307

 

 

RED

-

 

 

TC

TC1

 

 

 

WHI

+GRD

 

 

TC

 

 

 

230

 

 

 

 

GRD

 

14

240

339

X1 LOAD X2

H1 LINE H2

208

206

315

317

40

MOTOR

LOWER

 

 

TC3

 

 

TC2

 

GRD

RED

WHI

GRD

RED

WHI

M

39

202

303

 

26

 

TEMPERATURE

 

 

 

 

 

CONTROLLER

 

 

31

 

 

 

 

 

 

 

WHI

8

9

33

3

4

39

RED

7

10

37

 

 

 

26

40

28

19

31

H4X1

H2

H3

H1X2

XFMR1

PRIMARY 240/280V

50/60 Hz

 

 

 

COUNT

 

 

 

COM

 

 

CONV SW

 

 

 

 

NC

51

3

4

53

 

 

 

AC

 

 

 

AC

 

 

 

+ ARM

 

 

46

- ARM

 

 

 

GRD

10

12

RED

WHI

BLK

RED

 

BLK

CB3

91 0.3A

84

GRD

2-POLE MAGNET

DC CONV MOTOR

303

NC

311

NO

COM

305

307

AIR SWITCH

309

2 4 3 0

202

204

4

XFMR3

3PRIMARY 240V 50/60 Hz SECONDARY 24V 25VA

HEAT

SWITCH

204

6

12

228

MODULATING

 

 

 

 

 

 

 

16

18

 

 

SIGNAL

 

 

AMPLIFIER

 

 

6

+

4-20MA

79

 

 

 

 

INPUT

5

-

 

 

 

28

GRD

6

 

5

 

4

 

L2

35

 

L1

GRD

BLOWER

11SWITCH

12

 

13

 

14

 

+ 15

79

- 16

68

SECONDARY 120V

200VA

RELAY

6 8 7 1

208

311 313

 

 

 

VALVE

 

5

11

400

319

LINE

LOAD

401

333

 

2

8

 

317

1

7

335

214

 

68

+

 

4

0-20VDC

 

 

215OUTPUT

3-

228

2

24VAC

337INPUT

1

10

CB3 1A

Wiring Diagram, G208-240 50/60 GO, PS520G

59113C

ELECTRICAL

 

SCHEMATICS

SECTION 6

Image 45
Contents Owners operating Page Iii Middleby MarshallTable of Contents Model Identification Section DescriptionPS520 Series Oven Specifications Series PS520 Electrical SpecificationsThis Manual Must Be Kept For Future Reference PS520-Series Oven Components Locations II. Component Function Cooling Fan F2. Blank Plates Blank Plates two sizes and an Air FingerSection Installation Unloading Parts List for Series PS520 GAS Oven Installation KITParts List for Series PS520 Gas Oven Model PS520 Single Oven Dimensions Model PS520 Double Oven Dimensions Model 520 Triple Oven Dimensions Electric Supply to be Provided by Customer Circuit Breaker II. Ventilation Guidelines11. Junction Connection Box IV. Electric Supply for GAS Heated OvensGAS Supply 13 Gas Control Valve Control Functions Section OperationBlower Switch Door Safety SwitchHeat Switch Temperature ControllerMeasuring Conveyor Speed ConveyorSee Figures 3-4 Power Failure Startup Procedures Daily StartupShutdown Procedure III. STEP-BY-STEP OperationControl Panel IV. Normal Operation STEP-BY-STEP Daily Startup ProcedureSP Lock Symptom Quick Reference TroubleshootingSection Maintenance Exterior Maintenance DailyCooling Fan Conveyor Belt FigureRemoving Conveyor From Oven For Cleaning II. Maintenance MonthlySection Maintenance T1 T2 T3 B1 B2 B3 Air Fingers Disassembly For Cleaning12. Standard Lower Finger Reassembly of Air FingersExtended Lip Tab on Outer Plate Flange Finger Manifold Section Maintenance Reinstall End Plugs Checking Conveyor Belt Tension Conveyor Reassembly Into OvenConveyor Belt Link Removal Attaching Drive Chain IV. Maintenance Every 6 Months III. Maintenance Every 3 MonthsImportant Notices Electrical TerminalsPS520-SERIES GAS Oven KEY Spare Parts KIT Figure KEY Spare Parts KITSection Troubleshooting Section Troubleshooting Schematics Section Section Electrical Schematics Section Electrical Schematics

PS520G specifications

The Middleby Marshall PS520G represents a significant leap forward in the world of commercial cooking equipment, specifically designed to meet the demands of high-volume foodservice operations. This innovative conveyor oven is engineered for efficiency, speed, and high-quality results, making it a favorite among pizza parlors, restaurants, and fast-food businesses.

One of the standout features of the PS520G is its gas-powered operation. The use of natural gas or propane not only enhances cooking speed but also contributes to lower operational costs when compared to electric models. This advantage allows establishments to serve more customers in less time, thereby maximizing revenue.

The PS520G is equipped with advanced technology that ensures consistent cooking results. Its patented Air Impingement technology circulates heated air within the cooking chamber, ensuring that every item receives even heat distribution. This technology is particularly beneficial for achieving perfectly cooked pizzas, breads, and other baked goods. The ability to cook food quickly while maintaining moisture and flavor is a hallmark of this model.

Another significant characteristic of the PS520G is its versatile cooking capabilities. The unit features adjustable conveyor speed, allowing operators to customize cooking times according to the type of food being prepared. This flexibility is essential in a bustling kitchen environment where different menu items require distinct cooking times.

The construction of the PS520G is robust and designed for durability, with stainless steel exteriors that are not only attractive but also easy to clean. Additionally, the oven's efficient design includes a high-capacity cooking chamber that can accommodate larger items, making it suitable for various food types.

A critical aspect of any commercial kitchen equipment is ease of use, and the PS520G shines in this area as well. The user-friendly digital controls allow for precise temperature settings and monitoring, enabling kitchen staff to maintain high standards in cooking. Moreover, the self-cleaning feature simplifies maintenance, ensuring the oven operates at peak performance with minimal downtime.

In summary, the Middleby Marshall PS520G conveyor oven embodies a perfect blend of technology, efficiency, and versatility. Its gas-powered operation, advanced cooking technologies, and durable construction make it an indispensable asset for any high-volume foodservice operation, driving both productivity and quality in food preparation. With the PS520G, businesses can ensure they are well-equipped to meet the culinary demands of their customers, providing fast and delicious meals consistently.