American Water Heater 121 series Manuals

Manuals and User Guides for American Water Heater 121 series. We have 1 American Water Heater 121 series manual available for free PDF download: Instruction Manual

American Water Heater 121 series Instruction Manual

American Water Heater 121 series Instruction Manual (52 pages)

commercial gas water heaters OPERATION, SERVICE, MAINTENANCE, LIMITED WARRANTY

Brand: American Water Heater | Category: Water Heater | Size: 6.29 MB

Table of Contents

Instruction Manual
1
Table of Contents
2
Approvals
3
Safe INSTALLATION, Use and Service
3
General Safety Information
4
Precautions
5
- Grounding Instructions
  5
- Hydrogen Gas Flammable
  5
- Introduction
  6
- Abbreviations Used
  6
- Qualifications
  6
- Features and Components
  7
- The Eliminator (Self-Cleaning System)
  7
- High Limit Switch
  7
- Electronic Ignition Control
  7
Exhaust Inducer (Blower Assy.)
7
- Uncrating
  7
- INSTALLATION Considerations
  8
- Rough in Dimensions
  8
- Recovery Capacities
  8
- Gas and Electrical Characteristics
  8
- Locating the Water Heater
  9
- Clearances
  9
- Installation on Combustible Flooring
  10
- Insulation Blanket
  10
- Hard Water
  10
- Circulation Pumps
  10
- High Altitude Installations
  11
Propane Installations
11
- Natural Gas Installations
  11
- INSTALLATION Requirements
  12
- Gas Pressure Requirements
  12
- Supply Gas Regulator
  12
- Power Supply
  12
- Water Temperature Control and Mixing Valves
  12
- Dishwashing Machines
  13
- Closed Water Systems
  13
- Thermal Expansion
  13
- Temperature-Pressure Relief Valve
  13
- Contaminated Air
  14
- Air Requirements
  14
- Unconfined Space
  15
- Confined Space
  15
- Vent Adapter
  15
- Venting INSTALLATION
  15
- Venting
  15
- Multiple Heater Manifold
  16
- Fresh Air Openings for Confined Spaces
  16
- Outdoor Air through Two Openings
  16
- Outdoor Air through One Opening
  16
- Outdoor Air through Two Horizontal Ducts
  16
Outdoor Air through Two Vertical Ducts
17
Water Line Connections
19
- T&P Valve Discharge Pipe
  19
Installation Diagrams - Top Inlet/Outlet Usage
20
- Code Restrictions
  20
- Heater Wiring
  21
- Gas Piping
  22
- Purging
  22
- Gas Pressure Regulator
  22
- Operation
  23
- General
  23
- Filling
  23
- Sequence of Operation
  23
Lighting & Operation Label
24
- Check Venting
  25
- Check the Igniter Assembly
  25
- Igniter Assembly
  25
- Main Burner
  25
- Gas Valves
  25
- Checking the Input
  26
- Maintenance
  26
- Venting System
  26
- Remote Storage Tank Temperature Control
  26
- Temperature-Pressure Relief Valve Test
  26
- Hot Water Odor
  27
- Anode Rod Inspection
  27
- Draining and Flushing
  27
- Recommended Procedure for Periodic Removal of Lime Deposits from Tank Type Commercial Water Heaters
  28
- Deliming Solvents
  28
Deliming Using Flo-Jug Method
28
Tank Cleanout Procedure
28
Electrical Servicing
30
For Your Information
30
Ignition Module System
30
Operational Conditions
30
Service
30
Start up Conditions
30
System Diagnostics
30
High Water Temperature Shut off System
31
Sequence of Operation Flow Chart
32
Operational Checklist
33
Water PIPING Diagrams
34
MANIFOLD Kits
49
Commercial Storage Tank Warranty
50
Notes
51

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