GSW 520H Water Heater Manuals

Manuals and User Guides for GSW 520H Water Heater. We have 1 GSW 520H Water Heater manual available for free PDF download: Installation Manual And Owner's Manual

GSW 520H Installation Manual And Owner's Manual

GSW 520H Installation Manual And Owner's Manual (40 pages)

Direct Vent Indoor Models On-Demand Condensing Water Heater

Brand: GSW | Category: Water Heater | Size: 2 MB

Table of Contents

Table of Contents
2
Specifications
3
Introduction
3
Safety Guidelines
4
- Safety Definitions
  4
- General
  4
Installation
4
- General
  5
- Included Accessories
  5
- Optional Items
  6
- Warning for Installations
  7
- High-Altitude Installations
  7
- 520H Model Installation
  8
- Venting Instructions
  8
  - General
    8
  - Exhaust Vent (PVC Vent)
    8
  - Exhaust Vent (Stainless Steel Vent)
    9
  - Vent Termination
    9
  - PVC Venting Illustrations
    10
  - Stainless Steel Venting Illustrations
    11
  - Vent Clearances
    12
  - Additional Clearances
    13
- Gas Supply and Gas Pipe Sizing
  14
  - Measuring Inlet Gas Pressure
    14
  - To Turn off Gas to Appliance
    14
- Water Connections
  15
  - Before Operating
    15
  - Condensate Drain
    15
  - Pressure Relief Valve
    15
  - Case A: if a Neutralizer Is Not Required
    16
  - Case B: if a Neutralizer Is Required
    16
  - Condensate Drain Connections
    16
- Electrical Connections
  17
- Remote Controller Connection
  18
- Pump Control Connection
  18
- Pump Control Modes
  19
- Easy-Link System
  20
  - General
    20
  - Easy-Link Connection Procedures
    20
Applications
23
- Space-Heating Applications
  23
- Recirculation
  24
- Dual-Purpose Hot Water Heating
  24
Initial Operation
25
- Operating Instructions
  26
- For Your Safety Read before Operating
  26
Operating Safety
26
Normal Operation
28
- General
  28
- Temperature Settings
  28
  - On the 520H
    28
- Flow
  28
- Freeze Protection System
  29
Maintenance and Service
29
- Unit Draining and Filter Cleaning
  29
Troubleshooting
30
- General
  30
- Error Codes
  32
  - Single Unit Installations
    32
  - Easy-Link System
    32
- Fault Analysis of Error Codes
  32
Components Diagram
33
- Case Assembly
  33
  - 520H
    33
- Computer Board Assembly
  33
- Burner Assembly
  33
  - 520H
    34
- Water Way Assembly
  34
  - 520H
    35
Parts List
35
Output Temperature Chart
37
- 520H Models
  37
Limited Warranty
38

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