Lochinvar OAN400PM Manuals

Manuals and User Guides for Lochinvar OAN400PM. We have 1 Lochinvar OAN400PM manual available for free PDF download: Operation Manual

Lochinvar OAN400PM Operation Manual

Lochinvar OAN400PM Operation Manual (52 pages)

Armor Outdoor Armor Water Heater

Brand: Lochinvar | Category: Water Heater | Size: 6 MB

Table of Contents

Hazard Definitions

2
- Table of Contents
  2
Please Read before Proceeding

3
- Water Heater Operation
  3
The Outdoor Armor Water Heater -- How It

4
Works

5
Ratings

7
1 Determine Water Heater Location

8
2 Prepare Water Heater

10
3 System Piping

13
- System Water Piping Methods
  13
- General Piping Information
  13
- Flow Switch and Relief Valve Installation
  13
- Flow Switch Adjustment
  14
- Scalding
  14
- Water Chemistry
  15
- Piping Components
  15
- Gas Connections
  21
4 GAS CONNECTIONS Connecting Gas Supply Piping

21
- Natural Gas
  22
  - Pipe Sizing for Natural Gas
    22
  - Natural Gas Supply Pressure Requirements
    22
- Propane Gas
  22
  - Pipe Sizing for Propane Gas
    22
  - Propane Supply Pressure Requirements
    22
- Check Inlet Gas Supply
  23
- Gas Pressure
  24
- Gas Valve Replacement
  24
5 Field Wiring

25
- Line Voltage Connections
  25
- Low Voltage Connections
  25
  - Flow Switch
    26
  - High Gas Pressure Switch
    26
  - Low Gas Pressure Switch
    26
  - Runtime Contacts
    27
  - Alarm Contacts
    27
- Wiring of the Cascade
  27
- Condensate Disposal
  29
6 CONDENSATE DISPOSAL Condensate Drain

29
7 Startup

30
8 OPERATING INFORMATION General

36
- Protection Features
  36
- How the Water Heater Operates
  36
- Temperature Control
  36
- Water Heater Temperature Regulation
  37
- Cascade
  38
- Access Modes
  38
- Sequence of Operation
  39
- Outdoor Armor Water Heater Control Module
  40
- Status Display Screens
  41
- Status Display Screens
  42
9 Maintenance

44
- Maintenance & Annual Startup
  44
  - Address Reported Problems
    45
  - Inspect Water Heater Interior
    45
  - Check All Piping for Leaks
    45
  - Clean Condensate Trap
    45
  - Flue Vent System and Air Piping
    45
  - Check Water System
    46
  - Check Expansion Tank
    46
  - Check Water Heater Relief Valve
    46
  - Check Ignition Ground Wiring
    46
  - Check Control Settings
    46
  - Check Burner Flame
    47
  - Check Flame Signal
    47
  - Review with Owner
    47
  - Check Delta T
    48
10 Diagrams

49
- Ladder Diagram
  49
- Wiring Diagram
  50
- Revision Notes
  52

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