Lochinvar EW 300 Gas Water Heater Manuals

Manuals and User Guides for Lochinvar EW 300 Gas Water Heater. We have 3 Lochinvar EW 300 Gas Water Heater manuals available for free PDF download: Installation & Service Manual, Designer's Manual, Replacement Parts List

Lochinvar EW 300 Installation & Service Manual (48 pages)

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

Table of Contents
2
Please Read before Proceeding

3
1 Determine Water Heater Location

4
2 General Venting

8
- Barometric Damper Location
  8
- Conventional Venting
  10
- Vent System Options
  10
  - E+Venting
    10
    
    Inspection of a Masonry Chimney
    11
    
    Masonry Chimney Installations
    11
    
    Sidewall Air Inlet
    12
    
    Combined Air Inlet Points
    13
  - Direct Vent Sidewall
    16
  - Direct Vent Vertical
    20
  - Outdoor Installation
    24
3 Gas Connections

25
- Gas Supply
  25
- Gas Pressure and Piping
  25
  - Gas Pressure Test
    25
  - Gas Connection
    26
  - Gas Piping
    26
- Manifold Pressure and Piping
  27
- Supply Pressure Measurement
  27
- Checking Gas Supply Pressure
  29
- System Piping
  30
4 SYSTEM PIPING Water Connections

30
- Relief Valve and Low Water Cutoff
  30
- Inlet and Outlet Connections
  30
- Heating Domestic Water
  31
- Water Velocity Control
  31
- Typical Piping
  32
- Water Chemistry
  32
- Scald
  33
  - Pump Operation
    33
  - Thermostat Settings
    33
  - Minimum Pump Performance
    33
  - Heat Exchanger
    33
  - Optional Relief Valve
    34
  - Cathodic Protection
    34
5 Electrical Connections

35
6 Operation and Startup

38
- Ignition System Checkout
  38
- Lighting Instructions
  38
- Hot Surface Ignition Control
  38
- Hot Surface Ignition System
  38
- Operation and Diagnostic Lights
  39
- Freeze Protection
  39
- Water Treatment
  39
- Maintenance
  40
- Flame Patterns
  40
- Combustion Air Adjustments
  40
- Burner Cleaning
  41
- Heat Exchanger Inspection
  42
- Gas Train
  42
- Heat Exchanger Cleaning
  42
7 Diagrams

43
- Ladder Diagram
  43
- Wiring Diagram
  44
8 Troubleshooting

45
- Troubleshooting Charts
  45
Revision Notes

48

Lochinvar EW 300 Designer's Manual (28 pages)

Brand: Lochinvar | Category: Water Heater | Size: 0 MB

Table of Contents
3
Codes
4
Location of Unit
4
Clearances
5
Combustible Construction
5
Combustion & Ventilation Air
5
Figures & Tables Index FIG. 1 Water Heater Equipment and Control Orientation

5
Outdoor Use
5
Contaminants
7
Conventional Venting
10
- Vent Connection Size
  10
Direct Venting
13
General Venting
15
- Flue and Air Inlet Sizes
  15
Outdoor Installation
16
Gas Supply
17
Water Velocity Control
17
Low Water Temperature Delivery
18
Pump Operation
18
Water Connections
18
Electrical Requirements
19
Relief Valve
19
Water Treatment
19
- Manifold Size
  19
Single Heater - Single Tank
21
Water Heater Piping Diagrams

21

Lochinvar EW 300 Replacement Parts List (4 pages)

Lochinvar Water Heater & Boiler Replacement Parts List

Brand: Lochinvar | Category: Water Heater | Size: 0 MB

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Lochinvar EW 300 Gas Water Heater Manuals

Lochinvar EW 300 Installation & Service Manual (48 pages)

Table of Contents

Please Read before Proceeding

1 Determine Water Heater Location

2 General Venting

3 Gas Connections

4 SYSTEM PIPING Water Connections

5 Electrical Connections

6 Operation and Startup

7 Diagrams

8 Troubleshooting

Revision Notes

Lochinvar EW 300 Designer's Manual (28 pages)

Table of Contents

Figures & Tables Index FIG. 1 Water Heater Equipment and Control Orientation

Water Heater Piping Diagrams

Lochinvar EW 300 Replacement Parts List (4 pages)

Related Products

Lochinvar Categories