Takagi AT-D3U-OS Manuals

Manuals and User Guides for Takagi AT-D3U-OS. We have 1 Takagi AT-D3U-OS manual available for free PDF download: Installation Manual And Owner's Manual

Takagi AT-D3U-OS Installation Manual And Owner's Manual

Takagi AT-D3U-OS Installation Manual And Owner's Manual (64 pages)

On-Demand Water Heaters Series 200

Brand: Takagi | Category: Water Heater | Size: 10 MB

Table of Contents

Table of Contents
2
Installation Manual

3
Specifications

4
- Introduction
  5
Safety Guidelines

6
- Safety Definition
  6
- General
  6
Installation

7
- General
  7
- Clearances
  9
- Included Accessories
  9
- Optional Items
  9
- Warning for Installations
  11
- High-Altitude Installations
  12
- Venting Instructions
  13
- Gas Supply and Gas Pipe Sizing
  26
  - General
    26
  - Gas Connections
    26
  - Natural Gas Supply Piping
    27
  - Propane (LP) Supply Piping
    27
  - Measuring Inlet Gas Pressure
    28
- Water Connections
  28
  - Pressure Relief Valve
    29
- Electrical Connections
  29
- Temperature Remote Controller
  30
  - Included Accessories
    30
  - Installation
    30
  - Easy-Link System
    32
  - Easy Link Connection Procedures
    32
  - Multi-Unit System
    34
Applications

35
- Space Heating Applications
  35
- Recirculation
  35
- Dual-Purpose Hot Water Heating
  36
Initial Operation

37
Owner's Guide

38
Operating Safety

39
Normal Operation

41
- Built-In Controller and Remote Controller
  41
- General
  41
- Temperature Settings
  42
- Temperature Settings on the Pcb
  44
- Flow
  45
- Freeze Protection System
  45
- Maintenance and Service
  46
- Unit Draining and Filter Cleaning
  46
Troubleshooting

47
- General
  47
- Error Codes
  49
Components Diagram

53
Parts List

57
Output Temperature Chart

60
Limited Warranty

61

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