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Bunn
Dispenser
ULTRA-1
Bunn ULTRA-1 Service & Repair Manual
62 pages
Manual
Specs
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08
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SER
VICE
& REP
AIR MANU
AL
2
Table of Contents
Warranty
2
Table of Contents
3
User Notices
4
Site Preparation
4
Introduction
4
Temp & Torque Screen
5
Operating Controls
6
Using the Dispenser for Granita-Type Products
7
Using the Dispenser for Cold Liquid Products
7
Recommended Cleaning
8
Assembly Following Cleaning
9
Auto-Fill Cleaning Instructions
10
Preventive Maintenance Schedule
11
Required Regular Maintenance
12
Troubleshooting
14
No Power
14
Chills but Won't Freeze
15
No Cooling at All
16
Freezes, but Not Thick Enough
17
No Hood Lamps
17
Noise
18
Auger Won't Turn
18
Torque Sensor Error
19
Temperature Sensor Error
20
Clean Filter Messages
21
Service
22
Access Panels
22
Auger Motors
23
Auger Motor Capacitors
24
Auger Shaft Assembly
25
Circuit Breaker
27
Compressor Americold
28
Embraco
38
Relay (or Contactor on Early Models)
38
Control Board
39
Cooling Drum Alignment
40
Fan
41
Hot Gas Temperature Sensor
42
Lamp Cord Assembly
43
Lamp Cord Connector
44
Lamp Holder/Socket Assembly
45
LED Lamps
46
Lamp Relay
47
Membrane Switch
48
Solenoids
49
Temperature Sensor
50
Torque Sensor Circuit Board
51
Transformer
52
Coolant Schematics
57
Triac Maps
58
Input and Output Chart
59
Other manuals for Bunn ULTRA-1
Installation & Operating Guide
38 pages
Programming Manual
24 pages
Use & Care Instructions
2 pages
Specifications
2 pages
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Bunn ULTRA-1 Specifications
General
Voltage
120V
Material
Stainless Steel
Number of hoppers
1
Refrigerant
R404A
Capacity
3 gallons
Electrical
120V~ 60Hz, 8.0 Amps
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