TABLE OF CONTENTS

 

 

Page

SECTION 1 – DESCRIPTION

1

I.

OVEN USES

1

II. OVEN COMPONENTS

1

 

A. Conveyor Motor Drive

1

 

B. Crumb Pans

1

 

C. Conveyor

1

 

D. End Plugs

1

 

E. Eyebrows

1

 

F. Window

1

 

G. Machinery Compartment Access Panel

1

 

H. Serial Plate

1

 

I. Control Panel

1

 

J. Photo Cell

1

 

K. Gas Burner

1

 

L. Blowers

1

 

M. Air Fingers

1

III. OVEN SPECIFICATIONS

2

 

A. Dimensions

2

 

B. General Specifications

2

 

C. Electrical Specifications for

 

 

PS640 Gas Ovens

2

 

D. Gas Orifice and Pressure Specifications

 

 

for PS640 Gas Ovens

2

SECTION 2 – INSTALLATION

3

I.

BASE PAD KIT

4

II.

INSTALLATION KIT

5

III. VENTILATION SYSTEM

8

 

A. Requirements

8

 

B. Recommendations

8

 

C. Other Ventilation Concerns

8

IV. ASSEMBLY

9

 

A. Base Pad, Legs, Casters

9

 

B. Stacking

10

 

C. Restraint Cable Installation

10

 

D. Conveyor Installation

11

 

E. Standoff Installation

11

V. FINAL ASSEMBLY

12

VI. ELECTRICAL SUPPLY

12

 

Connection

13

VII. GAS SUPPLY

13

 

A. Gas Utility Rough-In Recommendations

13

 

B. Connection

14

 

C. Gas Conversion

14

 

D. Propane Conversion

14

 

E. Adjusting the Maximum Pressure Setting ...

14

 

F. Adjusting the Minimum Pressure Setting ....

15

 

G. Checkout

15

 

H. Maintenance

15

Page

SECTION 3 – OPERATION

14

I.LOCATION AND DESCRIPTION OF CONTROLS 16

II. NORMAL OPERATION, STEP-BY-STEP

17

A. Main Screen

17

B. Daily Startup Procedure

18

C. Daily Shutdown Procedure

18

III. QUICK REFERENCE: TROUBLESHOOTING

19

IV. SCREEN ALERTS

19

SECTION 4 – MAINTENANCE

20

I. MAINTENANCE – DAILY

20

II. MAINTENANCE – MONTHLY

21

III. MAINTENANCE – EVERY 3 MONTHS

22

IV. MAINTENANCE – EVERY 6 MONTHS

23

V. KEY SPARE PARTS KIT

24

SECTION 5 – ELECTRICAL WIRING DIAGRAM

25

I.WIRING DIAGRAM, 640 GAS OVEN, 208/240V,

50/60 Hz, 1 Ph

25

NOTE

Wiring Diagrams are in Section 5 of this Manual. The diagram for each oven is also on the lower inner surface of its Control Console.

iv

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Karcher PS640G installation manual Table of Contents