Table of Contents
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Table of Contents
Related Manuals for Washtech 3 Series
Summary of Contents for Washtech 3 Series
- Page 1 Series PASSTHROUGH WAREWASHER Service Manual...
- Page 2 WARNING Before installation and commissioning, you must read the safety instructions and warnings carefully and all the warning labels attached to the equipment. IMPORTANT Failure to comply (even partially) with the instructions given in this manual will invalidate the product warranty and relieves the manufacturer of any responsibility. IMPORTANT The alteration of machine operation, design or the replacement of parts not approved by the manufacturer may void warranties and approvals.
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Page 3: Table Of Contents
Contents Safety Instructions ...................................4 Installation......................................5 Installation Diagram ......................6 Installation Checklist ......................7 Maintenance Checklist ......................8 Operating Instructions..................................9 Dishwashing Procedures ................................10 Troubleshooting Chart................................12 Components ....................................14 Location and Access......................14 Timer............................15 Rinse Thermostat.......................16 Wash Thermostat.......................17 Solenoid Valve........................18 Pressure Switch ........................19 Wash Pump.........................20 Detergent Pump.........................21 Assembly &... -
Page 4: Safety Instructions
Safety Instructions WARNING Equipment contains dangerous voltages and can be hazardous if installed or operated incorrectly. Non-compliance with Warnings or failure to follow the instructions contained in this manual can result in loss of life, severe personal injury or serious damage to property. Installation ♦... -
Page 5: Installation
Installation WARNING Installer must be suitably qualified and ensure compliance with all codes and standards including AS/NZS3500.1. Failure to comply even partially with installation instructions may void the warranty. Positioning Unpack machine, check for damage and complete delivery. Install machine on sound waterproof self-draining floor and use adjustable feet to level machine. -
Page 6: Installation Diagram
Service Manual PW2(W) Revision 1B... -
Page 7: Installation Checklist
Position Level and stable on sound, waterproof, self draining floor Water Isolator valve fitted Accessible, all fittings sound, no leaks DCVs fitted (Washtech only) Correct direction Temperature 65 ± 5°C Flow rate Minimum 20 litres per minute Pressure... -
Page 8: Maintenance Checklist
Maintenance Checklist CHECK OK / NOTES Installation – use Installation Checklist on previous page to check all services, operator training and chemical issues Services water, power, drain etc. Operator trained / has instructions Chemicals squeeze tube checked – replacement recommended every 6 months, product type, container, leaks etc. -
Page 9: Operating Instructions
Operating Instructions Start up Fit drain upstand, wash pump filters, scrap trays and shut door. Turn wall power switch on and select any cycle (1, 2 or 3). Power light glows red and machine fills automatically. Wash Ready light (water symbol) glows amber when wash tank is ready. -
Page 10: Dishwashing Procedures
Dishwashing Procedures for best results Note: these are general instructions to assist in getting the best performance from Washtech dishwashers – some comments and / or illustrations may not apply to every unit. Installation Read the Operator Manual. Correct installation, including an adequate supply of water at the correct temperature and pressure is essential for effective operation of your machine. - Page 11 - discuss a Preventative Maintenance Agreement. Note: these are general instructions to assist in getting the best performance from Washtech dishwashers – some comments and / or illustrations may not apply to every unit.
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Page 12: Troubleshooting Chart
Troubleshooting Chart PROBLEM POSSIBLE CAUSES REMEDY (Check/Adjust/Replace) Filling Not filling Water supply valve shut Water supply valve Door switch faulty Door switch Solenoid valve faulty Solenoid valve Rinse lines blocked Rinse pump, solenoid valve filter Pressure switch faulty Pressure switch Won't stop filling Solenoid valve faulty Solenoid valve... - Page 13 Troubleshooting Chart PROBLEM POSSIBLE CAUSES REMEDY (Check/Adjust/Replace) Drainage Flooding Drain waste blocked Drain waste Leaks Leak from pumps Seal failure Pump seal Leak from hoses Hose damage Hoses Hose clamp loose Hose clamps Splash from door Wash arm end caps missing End caps Wash jets blocked Wash arm jets...
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Page 14: Components
Components WARNING All service/repair work must be carried out by qualified personnel only. Location and Access 1. Door Switch 16. Fill /Rinse Solenoid Valve 2. Rinse Tank Assembly 3. Rinse Over-Temp. Thermostat 17. Power/Chemical Supply 4. Rinse Heating Elements Terminal 5. -
Page 15: Timer
Timer Part Number 32787 Function Provides an automatic timing sequence of the wash, rinse, detergent and rinse aid injection stages in a dishwashing cycle. Description The electromechanical timer has a main drive motor and gearbox which produce a full rotation of the seven cams in 360 seconds. The advance motor and gearbox speed the rotation of the timer to produce shorter cycles of 120 and 240 seconds. -
Page 16: Rinse Thermostat
Rinse Thermostat Part Number 3020 Function Controls the rinse heating elements and prevents operation of machine if the rinse temperature is below that required. Description The rinse thermostat is a specially calibrated 3 pole capillary type temperature operated device. The thermostat does not have a control knob and it is factory set to the temperatures required by Hygiene Regulations. -
Page 17: Wash Thermostat
Wash Thermostat Part Number 30201 Function Controls the wash element Description The wash thermostat is a single pole capillary type device. It has a single changeover contact and a rotating shaft for a manual temperature adjustment. Factory default setting is 65°C. Contact switching capacity: 16(4) A 380 V. -
Page 18: Solenoid Valve
Solenoid Valve Part Number 600 30289 Function Controls flow of water into the machine during filling of the tank and final rinsing. Description Electromagnetically operating water valve for use with cold and hot water. Type Burkert 6213 Body material: DR Brass Duty cycle: continuous Seal material:... -
Page 19: Pressure Switch
Pressure Switch Part Number 600 30266 Function Control filling of wash tank and protect wash elements. Description The pressure switch is attached to the pressure bell. As the water level in the wash tank rises air is trapped in the bell and increasing pressure is transmitted to the pressure switch. When the tank is full the upper pressure switch shuts off the fill solenoid valve and switches on the wash elements. -
Page 20: Wash Pump
Wash Pump Part Number 3906 Function Pumps water from the wash tank to the wash arms providing a recirculating wash cycle. Description Electric Pump FIR Power: HP 2 Kw 1.4 Speed: 2800 rpm Voltage: 415 V Amperes: 3.1 A Frequency: 50 Hz Construction: IP44... -
Page 21: Detergent Pump
Detergent Pump Part Number 600 30094 Function When fitted the pump automatically injects detergent into wash tank during filling of the machine and at the start of each wash cycle. Description Fixed Flow Peristaltic Pump PG1.5 Voltage: 230 V 50Hz Flow rate: 1.5 L/h (0.42 ml/sec) Pressure:... -
Page 22: Assembly & Electrical Diagrams
Assembly Diagrams PW2 WIRING TRAY ASSY 826 10020 9/10/2009 SIDE VIEW MAIN VIEW PERSPECTIVE VIEW Parts List ITEM PART NUMBER DESCRIPTION 3231 DIN RAIL ANLY 8801 MS PAN POZI ZP M4x12 3229 TERMINAL STRIP 12 WAY Parts List 827 10021 PW3 WIRING TRAY SUB ASSEMBLY 600 30229 CONTACTOR 25A... -
Page 23: Control Panel Assembly
AL8(M)/PW CONTROL PANEL ASSEMBLY 5/07/2009 400 10139 EXPOLODED PERSPECTIVE Parts List ITEM PART NUMBER DESCRIPTION 600 90080 TEMP GAUGE RECTANGULAR 58x25 600 30161 LENS & NEON ASSY (RED) 12mm 600 30163 LENS & NEON ASSY (GREEN) 12mm 600 30162 LENS & NEON ASSY (AMBER) 12mm 400 70079 M2 - AL CONTROL LABEL 600 30269... -
Page 24: Wash Assembly
Service Manual PW2(W) Revision 1B... -
Page 25: Rinse Assembly
Service Manual PW2(W) Revision 1B... -
Page 26: Rinse Tank Assembly
ASSY RINSE TANK AL8-3 354 10009 10/02/2008 ISO VIEW NOTE: USE GRAPHITE JOINING COMPOUND ON BOTH SIDES OF GASKET BEFORE INSERTING ONTO ELEMENT. Parts List ITEM PART NUMBER DESCRIPTION 400 10135 SUB ASSEMBLY AL8(3) RINSE TANK 3005 5KW RINSE ELEMENT 3006 ELEMENT GASKET 600 80052... -
Page 27: Solenoid Valve Assembly
ASSY RINSE SOLENOID M2/AL/PW(W) 400 10121 20/01/2009 Bracket Rotated 90° for side mounting AL8 / PW1 AL\M2\PW2\PW3 Bracket mounted off floor EXPLODED PERSPECTIVE VIEW NOTE #2 NOTE #2 PLUG (NOTE #4) NOTE: 1. USE LOCTITE 262 ON THIS THREAD 2. USE A131 PERMABOND ON ALL JOINTS 3. -
Page 28: Schematic Diagram
Service Manual PW2(W) Revision 1B... -
Page 29: Wiring Diagram
Service Manual PW2(W) Revision 1B... -
Page 30: Spare Parts
Spare Parts DESCRIPTION PART NO Cabinet & Door Control Panel Sub-Assembly 400 10140 Control Panel Label 400 70079 Controls & Indicators Contactor 600 30229 Door Reed Switch 600 30183 Knob 4 Position 30415 Power Light 600 30161 Pressure Switch 600 30266 Relay 2 Pole 240V 600 30080 Relay Base... - Page 31 Spare Parts DESCRIPTION PART NO Pumps & Valves Detergent Pump 600 30094 Dual Check Valve 600 60108 Solenoid Valve Assembly 400 10121 Solenoid Valve 600 30289 Strainer Line 1/2” 6950 Wash Pump 3906 Wash Tank Components Drain Upstand 815 10023 Locknut Wash Arm 280409C Pressure Bell...
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Page 32: Accessories
Service Manual PW2(W) Revision 1B... -
Page 33: Appendices
Service Manual PW2(W) Revision 1B... -
Page 34: Drain Pump Kit
DRAIN PUMP KIT 0440032 - GL5/PW2(3)/PW3 400 90145 25/02/2010 PW2/PW3 RETROFIT INSTRUCTIONS 1. Pre-assemble the drain pump with the flexible outlet hose #3, the inlet hose #11, the drain elbow #12 and the back nut #13. Secure the hoses with the supplied hose clamps #1. -
Page 35: Revisions
Revisions Manual Revisions REVISION REVISION FROM CHANGE STATUS DATE SERIAL NO: DESCRIPTION 15/10/09 117856 23/02/10 Add R/Aid and Drain Pump kits. Service Manual PW2(W) Revision 1B... - Page 36 Information supplied in this manual is copyright. No part of this work may be reproduced or copied in any form or by any means, electronic or mechanical without the express permission of the author / publisher.