A.O. Smith DSE-5 THRU DSE-120 Manuals

Manuals and User Guides for A.O. Smith DSE-5 THRU DSE-120. We have 3 A.O. Smith DSE-5 THRU DSE-120 manuals available for free PDF download: Service Handbook, Instruction Manual, Installation And Operaion Manual

A.O. Smith DSE-5 THRU DSE-120 Service Handbook (84 pages)

COMMERCIAL ELECTRIC WATER HEATERS

Brand: A.O. Smith | Category: Water Heater | Size: 4.47 MB

Table of Contents
3
Introduction
4
Qualifications
4
Service Warning
4
Tools Required
5
Installation Considerations
6
Closed Water Systems
6
Thermal Expansion
6
Electrical Requirements
7
Pre Service Checks
8
Service Precautions
8
Water Heater Construction
9
5 - 20 Gallon Models
10
Gallon Models
11
Operation & Service
12
Principles of Electricity
12
Single and Three Phase Power
14
Checking Single Phase Power
15
Checking Three Phase Power
16
Fuses
17
Heating Elements
18
Heating Element Construction
18
Six and Three Wire Heating Elements
19
Single Phase Element Wiring
20
Three Phase Element Wiring
22
Heating Element Ratings & Configurations
25
Heating Element Amperage Tables
26
Heating Element Amperage Test
27
Heating Element Voltage Test
28
Heating Element Resistance Tables
30
Heating Element Resistance Test
31
Heating Element Ground Test
32
Replacing Heating Elements
33
Heating Element Sensors
34
Element Sensor Operation
35
Contactors
36
Contactor Configurations
37
Contactor Inspection
38
Contactor Coil Voltage - at Contactor
39
Contactor Coil Voltage - at CCB
40
Transformers
41
VAC Control Circuit Transformer Wiring
41
VAC Control Circuit Transformer Test
43
24 VAC Transformer Test
44
Immersion Temperature Probe
45
Temperature Sensor Resistance Test
46
Temperature Sensor DC Voltage Test
47
ECO Continuity Test
47
ECO Voltage Test
48
LWCO (Low Water Cut Off)
49
Powered Anode Rod
50
Electronic Controls
51
CCB - Central Control Board
52
CCB Socket & Wiring Terminal Identification
53
CCB Enable Disable Circuit(S) Test
55
Checking Power and Ground to the CCB
56
UIM - User Interface Module
57
Electronic Control System
58
Heating Element Operation
58
Control System Features
59
Control System Navigation
59
The Desktop Screen
60
Status Icons
61
Operating States
62
Control System Menus
62
Temperatures Menu
63
Temperature Settings
64
Heater Status Menu
65
Economy Mode Setup Menu
66
Setpoint Adjustment Value
67
Time Clock Settings
68
Daily Operating Mode Settings
69
Alarm Output Setup Menu
70
Display Settings Menu
71
Heater Information Menu
72
Current Fault/Alert Menu
73
Fault History Menu
73
Fault Occurrence Menu
73
Restore Factory Defaults Menu
74
Troubleshooting
75
Common Service Problems
75
Control System Diagnostics
76
Fault Conditions
76
Alert Conditions
76
Resetting the Control System
76
Control System Unresponsive
76
UIM Display Is Blank
76
UIM Is Inoperable
77
Heating Cycle Disabled
77
Fault & Alert Messages
78
No Current Detected
78
Temp Probe Open
79
Temp Probe Short
79
Energy Cut out (ECO)
80
LWCO Fault
81
No Anode Current
82

A.O. Smith DSE-5 THRU DSE-120 Instruction Manual (40 pages)

COMMERCIAL ELECTRIC WATER H

Brand: A.O. Smith | Category: Water Heater | Size: 2.1 MB

Safe Installation, Use and Service
2
General Safety Information
3
- Precautions
  3
- Hydrogen Gas (Flammable)
  3
Table of Contents
4
Introduction
4
- Preparing for the Installation
  4
Dimensions and Capacities Data
5
Features and Components
6
Approvals
7
Model and Rating
7
Locating the New Water Heater
7
- Facts to Consider about the Location
  7
Installation
8
- Required Ability
  8
- General
  8
- Contaminated Water
  8
- Circulating Pump
  8
- Temperature-Pressure Relief Valve
  8
- Water Line Connections
  9
- Closed Water Systems
  9
- Thermal Expansion
  9
Electrical Data
10
- General
  10
- Branch Circuit
  10
- Heater Circuits
  10
- Control Circuits
  10
- Power Circuit
  10
Wiring Diagrams
12
Operation
15
- General
  15
- Filling the Water Heater
  15
- Initial Start up
  15
- Draining the Water Heater
  15
Temperature Regulation
16
Control System Operation
17
- Heating Element Operation
  17
- Control System Features
  17
- Control System Navigation
  17
- The Desktop Screen
  17
- Temperatures Menu
  20
- Heater Status Menu
  22
- Economy Mode Settings
  24
- Alarm Output Setup Menu
  27
- Display Settings Menu
  27
- Heater Information Menu
  27
- Current Fault/Alert Menu
  28
- Fault History Menu
  28
- Fault Occurrence Menu
  28
- Restore Factory Defaults Menu
  29
Maintenance
30
- General
  30
- Anode Inspection and Replacement
  30
- Temperature-Pressure Relief Valve Operation
  30
- Flushing
  30
- Sediment Removal
  30
- Lime Scale Removal
  30
Troubleshooting Checklist
32
- Not Enough or no Hot Water
  32
- Water Is too Hot
  32
- Water Heater Makes Strange Sounds
  32
- Leakage Checkpoints
  32
Piping Diagrams
33
Warranty
39

A.O. Smith DSE-5 THRU DSE-120 Installation And Operaion Manual (24 pages)

Dura-Power Electric Models Comercial Water Heater

Brand: A.O. Smith | Category: Water Heater | Size: 0.6 MB

Recovery Capacity
2
Table of Contents
3
Foreword
3
Approvals
3
Model & Rating Plate
3
Getting to Know Your Water Heater
4
General Safety Information
5
Insulation Blankets
5
External Damage
5
Installation
5
Required Ability
5
General
5
Location
5
Connections
5
Relief Devices
6
Temperature Limiting Control
6
Hydrogen Gas
6
Piping Diagrams
7
Electrical
13
General
13
Branch Circuit
13
Amperage Table/Overcurrent Protection
14
Heater Circuits
14
Control Circuit
14
Power Circuit
14
Wiring Diagram
14
OPERATION General
18
Operation
18
General
18
Filling
18
Start up
18
Temperature Regulation
18
MAINTENANCE General
19
Draining
19
Maintenance
19
General
19
Flushing
19
Sediment Removal
19
Lime Scale Removal
19
Checklist
20
Leakage Checkpoints
21
Replacement Parts
21
Leakage Checkpoints
22
Limited Warranty
23

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