Front Loading Utensil Washer Disinfector (WDF)
Operation, Maintenance and Installation Manual
Issue 1
Page
1
20/01/2022
Table of Contents
Foreword ............................................................................................................................................................................................................. 2
Certifications and Compliances............................................................................................................................................................................ 2
Quality Policy ....................................................................................................................................................................................................... 2
Important Warranty Reminder ............................................................................................................................................................................ 2
Malmet Head Office and Factory Contact Details ................................................................................................................................................ 2
Safety Instructions – Warnings ............................................................................................................................................................................ 3
Intended Use........................................................................................................................................................................................................ 4
1.0
Design Parameters .................................................................................................................................................................................. 4
1.1
Operating Cycles .................................................................................................................................................................................. 5
1.2
Chemical Dosing System ...................................................................................................................................................................... 5
1.3
Device Features .................................................................................................................................................................................... 6
1.4
Control Panel ........................................................................................................................................................................................ 6
1.5
Buttons & Indicators ............................................................................................................................................................................ 7
1.6
LCD Layout............................................................................................................................................................................................ 7
2.0
Loading and Operation ............................................................................................................................................................................ 8
2.1
Lower basket configuration .................................................................................................................................................................. 8
2.2
Upper basket configuration.................................................................................................................................................................. 9
3.0
Detergent replacement procedure ....................................................................................................................................................... 10
4.0
Cycle of Operation ................................................................................................................................................................................. 11
5.0
Device faults .......................................................................................................................................................................................... 13
5.1
Fault indication ................................................................................................................................................................................... 13
5.2
Operator resettable faults .................................................................................................................................................................. 13
5.3
Fault list .............................................................................................................................................................................................. 14
5.7
Making equipment safe after incomplete operating cycle................................................................................................................. 18
5.4
Error reset .......................................................................................................................................................................................... 18
5.5
Master reset (access to load in a fault condition) .............................................................................................................................. 18
6.0
Maintenance ......................................................................................................................................................................................... 19
6.1
Daily maintenance (operator or maintenance technician) ................................................................................................................ 19
6.2
Bi-monthly maintenance (maintenance technician) .......................................................................................................................... 19
6.3
Recommended preventative maintenance schedule (to be performed by qualified maintenance personnel)................................. 20
6.4
Wash arm nozzle cleaning instructions .............................................................................................................................................. 20
6.5
Stainless steel maintenance/care ....................................................................................................................................................... 21
7.0
Safety checks ......................................................................................................................................................................................... 21
7.1
Door safety test .................................................................................................................................................................................. 21
7.2
Cycle operation check ........................................................................................................................................................................ 21
7.3
Post maintenance and repair of electrical systems ............................................................................................................................ 21
8.0
Replacement of safety devices .............................................................................................................................................................. 22
9.0
Installation and Commissioning ............................................................................................................................................................ 24
9.1
Installation.......................................................................................................................................................................................... 24
9.2
Risk Assessment ................................................................................................................................................................................. 24
9.3
Handling ............................................................................................................................................................................................. 24
9.4
Service Connections ........................................................................................................................................................................... 25
9.5
Plumbing ............................................................................................................................................................................................ 25
9.5
Electrical ............................................................................................................................................................................................. 25
9.6
Service connection and layout details ................................................................................................................................................ 26
9.7
Dimensions ......................................................................................................................................................................................... 27
9.8
Recommended installation clearances............................................................................................................................................... 27
10.0 Commissioning (To only be completed by qualified persons) ............................................................................................................... 28
11.0
Technical Data ....................................................................................................................................................................................... 28
11.1
Power and Water Consumption ......................................................................................................................................................... 28
11.2
Device specifications .......................................................................................................................................................................... 29
11.3 Wiring Diagram (WDF-3020) .............................................................................................................................................................. 30
Warranty Statement .......................................................................................................................................................................................... 31
