A.O. Smith GTS-305-PI Manuals

Manuals and User Guides for A.O. Smith GTS-305-PI. We have 2 A.O. Smith GTS-305-PI manuals available for free PDF download: Service Manual, Design Manual

A.O. Smith GTS-305-PI Service Manual (60 pages)

On-Demand Gas Tankless Water Heater Service Manual Series 100/101 & Series 200/201

Brand: A.O. Smith | Category: Water Heater | Size: 3.04 MB

Table of Contents
2
General Information

3
Specifications

6
Schematic Diagrams

8
Fault Isolation

10
Electrical Diagnostic Points

13
- 305E/O, 305I, 505E/O 505I
  13
- E/O, 305I, 505E/O 505I
  14
- 705E/O (ASME), 705I (ASME)
  15
Wire Diagrams 305E/O, 305I, 505E/O, 505I

17
- 705E/O (ASME), 705I (ASME)
  18
Flushing the Heat Exchanger

19
Component Replacement Instructions

20
- Gas Control Assembly
  20
- Fan
  24
  - 505E/O, 305E/O
    24
  - 305I, 505I
    25
  - 705E/O (ASME), 705I (ASME)
    26
- PC Board
  27
  - 305E/O, 305I, 505E, 505I
    27
  - 705E/O (ASME), 705I (ASME)
    29
- Water Flow Control Assembly
  30
  - 305E, 305I, 505E, 505I
    31
  - 505E, 505I
    33
  - 705E/O (ASME), 705I (ASME)
    34
- Heat Exchanger 305E
  36
  - 505E/O
    38
  - 305I
    41
    
    Gas Manifold
    41
    
    Fan Assembly
    41
  - 505I
    45
  - 705E/O (ASME)
    50
  - E/O (ASME)
    51
  - Asme)
    52
  - I (ASME)
    52
Gas Pressure Setting Procedure

55
Dip Switches

55
- Gas Pressure Setting Procedure
  56
Manifold Pressure Settings

57
- Natural Gas
  57
- Propane Gas
  57
- Dip Switch Settings
  58

A.O. Smith GTS-305-PI Design Manual (40 pages)

On-Demand Water Heater System

Brand: A.O. Smith | Category: Water Heater | Size: 0.77 MB

Table of Contents
2
Certifications

3
- Site Location
  5
Installing Gas Water Heater

8
Water Quality and Scale

8
Pump Sizing for Circulation

9
Tank Water Heaters in a Circulation Loop

10
Additional Guidelines

10
Pump Sizing for Storage Tank Applications

11
Pressure Loss Curves

12
Domestic Hot Water - Standard Installation

14
- Water Heater (H-1)
  14
- Water Heaters (H- 2)
  15
- Water Heaters (H- 3)
  15
- Water Heaters (H- 4)
  17
- Water Heaters (H- 5)
  18
Domestic Hot Water with Optional Freeze Protection

20
On Outdoor Models

21
- Water Heaters (H-2- E)
  21
- Water Heaters (H-6- E)
  34
Domestic Hot Water with Backup Storage Tanks

35
- Water Heaters (H-2- T)
  35
- Water Heaters (H-3- T)
  36
- Water Heaters (H-6- T)
  37
Maintenance Procedure

38
- Scale Flush Procedure (MP-01)
  38

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A.O. Smith GTS-305-PI Manuals

A.O. Smith GTS-305-PI Service Manual (60 pages)

Table of Contents

General Information

Specifications

Schematic Diagrams

Fault Isolation

Electrical Diagnostic Points

Wire Diagrams 305E/O, 305I, 505E/O, 505I

Flushing the Heat Exchanger

Component Replacement Instructions

Gas Pressure Setting Procedure

Dip Switches

Manifold Pressure Settings

A.O. Smith GTS-305-PI Design Manual (40 pages)

Table of Contents

Certifications

Installing Gas Water Heater

Water Quality and Scale

Pump Sizing for Circulation

Tank Water Heaters in a Circulation Loop

Additional Guidelines

Pump Sizing for Storage Tank Applications

Pressure Loss Curves

Domestic Hot Water - Standard Installation

Domestic Hot Water with Optional Freeze Protection

On Outdoor Models

Domestic Hot Water with Backup Storage Tanks

Maintenance Procedure

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