Bunn SINGLE User Manual

CAUTIO
N
HOT WATER
CAUTION: WARMERS AND SURFACES ARE HOT
CAUTION
DISCARD DECANTER
IF:
FAILURE TO COMPLY RISKS INJURY
FUNNEL CONTENTS
ARE HOT
!
BUNN
START ON / WARMER SELECTOR READY
CAUTION
HOT WATER
DISCONNECT FROM POWER SOURCE
BEFORE REMOVAL OF ANY PANEL OR
REPLACEMENT OF ANY COMPONENT!
WARNING
!
BUNN-O-MATIC CORPORATION
POST OFFICE BOX 3227
SPRINGFIELD, ILLINOIS 62708-3227
PHONE: (217) 529-6601 FAX: (217) 529-6644
To ensure you have the latest revision of the manual or to obtain the illustrated parts catalog, please visit the Bunn-O-Matic website, at
www.bunn.com. This is absolutely FREE, and the quickest way to obtain the latest catalog and manual updates. Contact Bunn-O-Matic
Corporation at 1-800-286-6070 to obtain a paper copy of the required Illustrated Parts Catalog mailed via U.S. Postal Service.
27038.0000F 11/07 ©1996 Bunn-O-Matic Corporation www.bunn.com
OPERATING & SERVICE MANUAL
BUNN
®
SINGLE
®
(Serial # SNG0005000 - Up)

Bunn SINGLE Specifications

General

Category	Coffee Maker
Brew Time	3 Minutes
Dimensions	6.3" W x 11.1" D x 12.2" H
Water Tank Capacity	40 oz
Voltage	120 V
Color	Black

Summary

Introduction

Bunn-O-Matic Commercial Product Warranty

User Notices and Safety Precautions

Electrical Requirements

Plumbing Requirements

Plumbing Hook-Up

Initial Set-Up Procedures

CE Requirements

Adjusting Brew Volumes

Operating Controls

Brew Selector Switch

Description of the switch used to select batch sizes for brewing operations.

On/Off Switch

Explains the function of the switch controlling power to the brew station warmer and brew circuit.

Start Switch

Details how to initiate a brew cycle using the momentary start switch.

Coffee Brewing Instructions

Step-by-step guide for preparing and brewing coffee, from filter to dispensing.

Cleaning Procedures

Recommended methods for cleaning the brewer's surfaces and sprayhead to maintain performance.

Troubleshooting Guide

Service

Component Access

Guidelines and steps for accessing internal components by removing panels and covers.

Service - Bypass Valve

Service - Brew Selector Switch

Service - Contactor Assembly

Service - Control Thermostat

Service - Dispense Valve

Service - Electronic Control Assembly

Liquid Level Control System Troubleshooting

Details troubleshooting steps for the liquid level control system, including refill and overflow issues.

Service - Level Control Board and Probe

Service - Limit Thermostat

Service - On/Off Switch (Warmer)

Service - Overflow Protection Switch

Service - Solenoid Valve (Inlet)

Service - Start Switch

Service - Tank Heater

Service - Timer (First Type)

Service - Digital Timer (Second Type)

Service - Timers (Late Models)

Service - Warmer Element

Schematic Wiring Diagram - Single Brewer

Schematic Wiring Diagram - Single Brewer ECA

Schematic Wiring Diagram - Single-A & -B Brewer

Schematic Wiring Diagram - Single-A & -B Brewer ECA

Single Brewer with Digital Brewer Control - Schematic Wiring Diagram

Single Brewer with Digital Brewer Control - Schematic Wiring Diagram (cont.)