Laars MIGHTY THERM2 Water Heater Manuals

Laars MIGHTY THERM2 Water Heater Manuals

Manuals and User Guides for Laars MIGHTY THERM2 Water Heater. We have 1 Laars MIGHTY THERM2 Water Heater manual available for free PDF download: Assembly, Installation And Operation Instructions

Laars MIGHTY THERM2 Assembly, Installation And Operation Instructions

Laars MIGHTY THERM2 Assembly, Installation And Operation Instructions (40 pages)

Brand: Laars | Category: Water Heater | Size: 4.37 MB

Table of Contents

Table of Contents
2
SECTION 1. General Information
3
Introduction
3
Model Identification
4
Warranty
4
Dimensions
4
Locating the Appliance
4
Locating Pump-Mounted Water Heater with Respect to Storage Tank(S)
5
Locating Pump-Mounted Boiler with Respect to Return/Supply Header
7
Locating Appliance for Correct Horizontal Vent
7
Ducted Air Distance from Outside Wall
7
SECTION 2. Venting and Combustion Air
7
Combustion Air
7
Combustion Air from Room
7
Intake Combustion Air
7
Venting
8
Vent Categories
8
Category I Vent
8
Common Venting Systems
8
Category III Vent
8
Locating Vent & Combustion Air Terminals
9
Side Wall Vent Terminal
9
Side Wall Combustion Air Terminal
9
Vertical Vent Terminal
9
Vertical Combustion Air Terminal
11
Common Vent Test - Boilers
11
Vent Terminals for Outdoor Units
12
SECTION 3. Gas Supply and Piping
12
Gas Supply and Piping
12
Heating System Piping: Hot Supply Connections - Boiler
13
Cold Water Make-Up - Boiler
14
Water Flow Requirements - Boiler
14
Freeze Protection - Boiler
14
SECTION 4B. Water Connections
14
Water Heaters
14
Water System Piping - Water Heater
14
Hot Water Supply Piping - Water Heater
15
Water Flow Requirements - Water Heater
15
Combined Water Heating (Potable) and Space Heating - Water Heater
15
Freeze Protection - Water Heater
15
SECTION 5. Electrical Connections
21
Main Power
21
Changing Single Circuit to Two Circuits
21
Field Wiring
21
External Staging Control Wiring
26
SECTION 6. Operating Instructions
26
Sequence of Operation
26
Filling the Boiler System
27
Operating Temperature Control
27
External Boiler Operations
28
Limit Controls
28
Operating the Burner and Set up
28
Set up for 0 to 2500 Feet Altitude
28
High Altitude Adjustment and Set up
28
Shutting down the Mighty Therm2
29
To Restart the Mighty Therm2
29
SECTION 7. Maintenance
29
System Maintenance
29
Appliance Maintenance and Component Description
30
Burners
30
Filter
30
Gas Valves
30
Manual Reset High Limit Control
30
Temperature Control
30
Ignition Controls
30
Ignitors/Sensor
30
Transformer
31
Blowers
31
Flow Switch
31
Heat Exchanger Coil
31
SECTION 8. Trouble Shooting
31
Resolving Lockouts
31
Delayed Ignition - Possible Causes
32
Short Cycling - Boiler
32
Short Cycling - Water Heater
32
High Gas Consumption
32
SECTION 9. Replacement Parts
32
General Information
32
Parts List
32

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