Laars MT2V Manuals

Manuals and User Guides for Laars MT2V. We have 2 Laars MT2V manuals available for free PDF download: Installation And Operation Instructions Manual, Assembly, Installation And Operation Instructions

Laars MT2V Installation And Operation Instructions Manual

Laars MT2V Installation And Operation Instructions Manual (42 pages)

Hydronic Boiler / Water Heater

Brand: Laars | Category: Water Heater | Size: 3.08 MB

Table of Contents

Table of Contents
2
SECTION 1. General Information

3
SECTION 2. Venting and Combustion Air

8
- Combustion Air
  8
- Combustion Air from Room
  8
- Intake Combustion Air
  9
- Venting
  9
- Vent Categories
  9
- Category I Vent
  9
- Common Venting Systems
  9
- Category III Vent
  10
- Locating Vent & Combustion Air Terminals
  10
- Side Wall Vent Terminal
  10
- Side Wall Combustion Air Terminal
  13
- Vertical Vent Terminal
  13
- Vertical Combustion Air Terminal
  13
- Common Vent Test - Boilers
  13
- Vent Terminals for Outdoor Units
  14
SECTION 3. Gas Supply and Piping

15
SECTION 4A. Water Connections

16
SECTION 4B. Water Connections

20
- Water Heater
  
  20
- Combined Water (Potable)
  20
- Heating and Space Heating
  20
- Hot Water Supply Piping - Water Heater
  20
- Water Flow Requirements - Water Heater
  20
- Water System Piping - Water Heater
  20
- B.5 Freeze Protection – Water Heater
  21
- Freeze Protection - Water Heater
  21
- Field Wiring
  25
- Main Power
  25
SECTION 5. Electrical Connections

25
- Filling the Boiler System
  26
- Operating Temperature Control
  26
SECTION 6. Operating Instructions

26
SECTION 7. Maintenance

30
- Shutting down the Mighty Therm2
  30
- System Maintenance
  30
- To Restart the Mighty Therm2
  30
- Burners
  31
- Filter
  31
- Flow Switch
  31
- Gas Valves
  31
- Ignition Control
  31
- Ignitor
  31
- Manual Reset High Limit Control
  31
- Transformer
  31
- Heat Exchanger Coil
  32
- High Gas Consumption
  33
- Resolving Lockouts
  33
  - Delayed Ignition - Possible Causes
    33
  - Short Cycling - Boiler
    33
SECTION 8. Trouble Shooting

33
- Short Cycling - Water Heater
  33
- General Information
  34
- Parts List
  34
SECTION 9. Replacement Parts

34

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Laars MT2V Assembly, Installation And Operation Instructions

Laars MT2V 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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