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Manuals and User Guides for Laars Mighty Therm. We have
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Laars Mighty Therm manual available for free PDF download: Installation And Operation Instructions Manual
Laars Mighty Therm 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
Introduction
3
Heater Identification
3
General Flow Requirement
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
Internal Cleaning of Heat Exchanger
20
Gas and Electric Controls
20
Burner Removal and Cleaning
20
Troubleshooting
20
Sequence of Operation
20
Electrical Components
21
General Troubleshooting
21
Electrical Troubleshooting
21
Mechanical Components
23
Pressure Relief Valves Leaking Intermittently or Steadily
23
Heater Is Pounding, Knocking or Emitting Steam from Relief Valves
23
Soot in Flueways or in Tubes, or Noxious Fumes Indicative of Bad Combustion
23
Water Dripping in Firebox
23
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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