Laars Lo-Nox Manuals

Manuals and User Guides for Laars Lo-Nox. We have 1 Laars Lo-Nox manual available for free PDF download: Installation And Operation Instructions Manual

Laars Lo-Nox Installation And Operation Instructions Manual

Laars Lo-Nox Installation And Operation Instructions Manual (36 pages)

hydronic boilers and volume water heaters

Brand: Laars | Category: Boiler | Size: 2.06 MB

Table of Contents

Table of Contents
2
Section 1.

3
General Information

3
Section 2.

4
Installation

4
- Heater Placement
  4
- Installation of Indoor Heaters
  4
- Combustion Air Supply
  4
- Conventional Ventilation
  4
- Forced-Air Ventilation
  5
- Venting
  5
- Removal of Existing Heater
  6
- Installation of Outdoor Heaters
  6
- Gas Supply and Piping
  6
- Electrical Wiring
  7
Section 3.

8
Water Piping Instruction

8
- General Piping Practice
  8
- Heating Boiler (PH Model)
  8
- Variable Water Flow System
  8
- System Pressure Requirements
  8
- Hot/Chilled Water Systems
  8
- Combined Space Heating/Potable Water Heating Systems
  9
- Piping System Requirements
  10
- Filling the System
  10
- Water Heater (PW Model)
  10
- Water Chemistry
  10
- Piping System Requirements
  11
- Water Expansion
  11
- Pump Requirements
  11
- Water Pressure
  13
- Tank Installation
  14
- Two-Temperature
  14
Section 4.

15
Operating Instructions

15
- Controls - General
  15
- Electronic Ignition Control
  15
- Hot Surface Igniter
  15
- Combustion Air Pressure Switch
  15
- Operating Controls
  15
- High Limit Control
  15
- Flow Switch
  16
- Low Water Cut off
  16
- Start-Up Requirements
  16
- Normal Operating Sequence
  17
- Hi-Limit Checkout
  17
- Start-Up Procedure
  17
Section 5.

18
- Lighting Instructions
  18
- To Turn off Gas to Appliance
  18
- Setting the Temperature Controls
  18
- Hydronic Boilers
  18
- Water Heaters
  18
Maintenance

18
- General Instructions
  18
- Combustion Air Blower
  19
- Heat Exchanger
  19
- External Cleaning of Heat Exchanger
  19
Section 6.

20
Troubleshooting

20
Section 7.

25
Parts Descriptions and Order Numbers

25
- Jack and Combustion Chamber Components
  25
- Water System
  25
- Electrical Components
  26
- Gas Train
  26
- Burner Tray
  26
- Outdoor Jacket
  33

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