Westomatic SIGMA Guide

Part Number: 350101 Issue: 1
PARTS & ELECTRICAL
SCHEMATICS MANUAL

Part Number: 350101 Issue: 1
Page 2 of 75
Published by:
Westomatic Vending Services Ltd.
Shaldon Road
Newton Abbot
Devon
TQ12 4TZ
United Kingdom
www.westomatic.com
Switchboard: [phone]
Sales FAX: [phone]
Part Sales FAX: [phone]
Westomatic Vending Services Ltd. reserves the right to change the product specifications at any
time. While every effort has been mode to ensure that the information in this publication is
accurate, Westomatic Vending Services Ltd disclaims any liability for any direct or indirect losses
howsoever caused arising out of use or reliance on this information.
Information contain herein is correct at time of print:
Revision list:
This manual Draft Issue June 2010
This manual 1st Issue August 2010

Part Number: 350101 Issue: 1
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TABLE OF CONTENTS
1. SIGMA DOCUMENTATION AVAILABLE.....................................................................5
1. WIRING DIAGRAMS....................................................................................................6
1.1. DC WIRING..................................................................................................................6
1.2. AC WIRING..................................................................................................................7
2. PROCESSOR BOARD INFORMATION.......................................................................8
3. DIGITAL INPUTS & OUTPUTS....................................................................................9
4. SIGMA ASSEMBLY DRAWINGS...............................................................................13
4.1. SIGMA - CABINET ASSEMBLY 201753....................................................................13
4.2. SIGMA BOILER ASSEMBLY 201595 ........................................................................15
4.3. SIGMA COMMON WHIPPER DECK ASSEMBLY 201791.........................................17
4.4. SIGMA MOVING DISPENSE HEAD ASSY 201723....................................................18
4.5. MDH MECH UNIT ASSY SIGMA V2 201830..............................................................19
4.6. EXTRACTION FAN ASSY SIGMA 201725.................................................................21
4.7. FUSE AND DISTRIBUTION BOX SIGMA 201728......................................................22
4.8. SIGMA INLET VALVE ASSEMBLY 201790..............................................................23
4.9. WHIPPER DECK ASSEMBLY ALL INSTANT S 201738 ...........................................24
4.10. WHIPPER DECK ASSEMBLY 2 BREWER L1 201735..............................................26
4.11. WHIPPER ASSEMBLY ..............................................................................................29
4.12. BTC BREWER SIGMA 201775 ..................................................................................30
4.13. FBT BREWER SIGMA 201777................................................................................... 32
4.14. SIGMA FBC BREWER 201776 ..................................................................................34
4.15. SIGMA FBC BREWER DOUBLE BREW 201727.......................................................35
4.16. MULTIBREWER PLATFORM ASSEMBLY 201527 ...................................................36
4.17. MULTIBREWER PINCHER ASSEMBLY 201528.......................................................37
4.18. MULTI BREWER DRIVE ASSEMBLY 201526........................................................... 38
4.19. SIGMA INSTANT MODULE 201726...........................................................................40
4.20. SIGMA HOT ONLY KIT 912401 ................................................................................. 42
4.21. SIGMA HOT AND COLD KIT 2912402.......................................................................44
4.22. SIGMA HOT COLD CARB KIT 2912403....................................................................46
4.23. MODEL OPTIONS (INSTANT ONLY, CHILLER, CARBONATOR, ETC)...................48
4.24. SIGMA DOOR ASSY 201752.....................................................................................49

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4.25. SIGMA MULTI CHOICE MENU PANEL 201714.........................................................52
4.26. SIGMA FINISHING KIT INSTANT 201792..................................................................54
4.27. SIGMA FINISHING KIT BREWER 201780................................................................. 54
4.28. SIGMA DIRECT CHOICE MENU PANEL ASSEMBLY 201713.................................. 55
4.29. SIGMA FINISHING KIT DC INSTANT 201659 ........................................................... 57
4.30. SIGMA FINISHING KIT DC BREWER 201798...........................................................57
4.31. SIGMA FREE VEND KIT 201762 ...............................................................................58
4.32. SIGMA CASHLESS AREA OPTIONS........................................................................58
4.33. LID DISPENSE KIT 201794.......................................................................................59
4.34. SIGMA NV9 USB BILL ACCEPTOR KIT 201832.......................................................60
4.35. SIGMA COIN HANDLING ASSY 201757 ...................................................................61
4.36. SIGMA CASHLESS BLANKING KIT 201793............................................................. 63
4.37. SIGMA CASH BLANKING KIT 201786......................................................................64
4.38. SIGMA CUP DROPPER 70MM KIT 201763............................................................... 65
4.39. SIGMA CUP DROPPER KIT 73MM 201764...............................................................67
4.40. SIGMA CUP DROPPER 80MM KIT 201766............................................................... 69
4.41. REGION/LANGUAGE KITS .......................................................................................70
4.42. SIGMA CUNO KIT 201772......................................................................................... 71
4.43. PURITY C 150 HEAD & 1 CARTRIDGE 201814........................................................73
4.44. SIGMA LED SERVICE LIGHT KIT 201795.................................................................74
4.45. OPTIONAL ADD-ONS................................................................................................ 75

Part Number: 350101 Issue: 1
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1. Sigma Documentation Available
The following technical documentation is available for the Sigma vending machine.
Part number 350100 - Sigma Technical Manual
Part number 350101 - This Manual
Part number 350103 - Installation/Operator Guide
350104 - Installation/Operator Guide (GERMAN)

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1. Wiring Diagrams
1.1. DC Wiring

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1.2. AC Wiring

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2. Processor Board Information

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3. Digital Inputs & Outputs
NOTE: Water valves, ingredient & whipper motors are number from left to right looking at the
front of the machine.
A A – J1 – LCD (LCD)
Connector Function Wire Colour Type Destination
A1 Display 5v Red 7/0.2mm LCD – 1
A2 D3 Blue 7/0.2mm LCD – 5
A3 D2 Green 7/0.2mm LCD – 4
A4 D1 Yellow 7/0.2mm LCD – 3
A5 D0 White 7/0.2mm LCD – 2
A6 LE Brown 7/0.2mm LCD – 6
A7 R-S Violet 7/0.2mm LCD – 7
A8 0V Black 7/0.2mm LCD – 8
C C – J3 – Inputs 1-8
Connector Function Wire Colour Type Destination
C1 0v – Flush Buttons Black C1 7/0.2mm FLUSH – 4
C2 0v – Free vend by key Black C2 7/0.2mm KEY – 1 ,COLD – 1
C3 IN[01] - Door Switch White C3 7/0.2mm C21
C4 IN[02] – Cold Water Flush White C4 7/0.2mm FLUSH – 3
C5 IN[03] – Syrup Flush White C5 7/0.2mm FLUSH – 2
C6 IN[04] - Free vend key switch White C6 7/0.2mm KEY – 2
C7 IN[05] – Hot Water Flush White C7 7/0.2mm FLUSH – 1
C8 IN[06] - Multi Brewer Home 1 White C8 7/0.2mm BAY 1 - 7
C9 IN[07] - Multi Brewer Home 2 White C9 7/0.2mm BAY 2 - 7
C10 IN[08] - Cup sold out White C10 7/0.2mm TUR - 8
D D – J4 – Inputs 9-16
Connector Function Wire Colour Type Destination
D1 0v Black D1 7/0.2mm C22
D2 IN[09] – Cup peeler home White D2 7/0.2mm TUR – 12
D3 IN[10] – Spare - -
D4 IN[11] – Spare - -
D5 IN[12] – MDH Home White D5 7/0.2mm MDH – 2
D6 IN[13] – MDH Dispense White D6 7/0.2mm MDH – 1
D7 IN[14] - Spare - - -
D8 IN[15] – Spare - - -
D9 IN[16] – Spare - - -
E E – J5 – Inputs 17-24
Connector Function Wire Colour Type Destination
E1 12v cup sensor Red E1 7/0.2mm SEN – 1, And link to
SEN – 2
E2 0v cup sensor Black E2 7/0.2mm SEN – 4
E3 IN[17] – Spare - - -
E4 IN[18] – Spare - - -
E5 IN[19] – Cold Shot White E5 7/0.2mm COLD – 3
E6 IN[20] - Cup sensor 1 White E6 7/0.2mm SEN – 3
E7 IN[21] - Cup sensor 2 - - -
E8 IN[22] – FB/BTC Waste 1 - - -
E9 IN[23] - FB/BTC Waste 2 - - -
E10 IN[24] - - - -

Part Number: 350101 Issue: 1
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XXX - Wires ( White F2 ) and ( Black F3 ) are Twisted Pairs throughout machine.
F F – CAN BUS
Connector Function Wire Colour Type Destination
F1 Can 0v White F1 7/0.2mm PAD-3
DGB-9
GPRS- 4
F2 Can Lo White F2 7/0.2mm XXX PAD-4
DGB-10
GPRS- 6
F3 Can Hi Black F3 7/0.2mm XXX PAD-5
DGB-11
GPRS- 5
F4 Can 12v White F4 7/0.2mm PAD-6
DGB-12
G G – J7 – Waste tray (WST)
Connector Function Wire Colour Type Destination
G1 Waste tray full White G1 7/0.2mm C43
G2 0v White G2 7/0.2mm C44
H H – J8 – Boiler Probes
Connector Function Wire Colour Type Destination
H1 Boiler Probe Common White H1 7/0.2mm T-PROBE – 1
H2 Overflow Probe White H2 7/0.2mm T-PROBE – 2
H3 Under fill Probe White H3 7/0.2mm T-PROBE – 3
H4 Full Probe White H4 7/0.2mm T-PROBE – 4
H5 NTC Thermocouple White H5 7/0.2mm T-PROBE – 5
H6 NTC Thermocouple White H6 7/0.2mm T-PROBE – 6
I I – J9 – Boiler Interface Board (BIB)
Connector Function Wire Colour Type Destination
I1 Boiler Heat White I1 7/0.2mm FD1-5
I2 Boiler Monitor White I2 7/0.2mm FD1-1
I3 24v - - -
I4 0v - - -
L L – J12 – MDB (MDB)
L - 4 core Screened 7/0.2mm 1A cable, Black sheath PVC insulated Typically RS 482-5459
Wire from L to MDB1 & MDB3 , Braided wire link non screened from MDB2 to MDB3
Connector Function Wire Colour Type Destination
L1 24v Red 7/0.2mm MDB1 – 1
MDB2 – 1
MDB3 – 1
L2 0v Green 7/0.2mm MDB1 – 2
MDB2 – 2
MDB3 – 2
L3 MDB Rx Yellow 7/0.2mm MDB1 – 4
MDB2 – 4
MDB3 – 4
L4 MDB Tx Blue 7/0.2mm MDB1 – 5
MDB2 – 5
MDB3 – 5
L5 0v Screen Screen MDB1 – 6
MDB2 – 6
MDB3 – 6