Laars Mascot II LMC Manuals

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

Laars Mascot II LMC Installation And Operation Instructions Manual (52 pages)

Modulating Boiler and Combination Boiler and Water Heater

Brand: Laars | Category: Boiler | Size: 4.4 MB

Table of Contents
2
Section 1.

4
General Information

4
- Introduction
  4
- Model Nomenclature
  4
- Model Identification
  4
- Appliance Overview
  4
- Warranty
  4
- Unpacking
  5
- Dimensions
  5
Section 2.

8
Locating the Appliance

8
- Locating Appliance for Correct Vent Distance from Outside Wall or Roof Termination
  8
Section 3

8
Venting and Combustion Air

10
- Combustion Air
  10
- Combustion Air from Room
  10
- Ducted Combustion Air
  10
- Venting (Exhaust)
  11
- Side Wall Vent Terminal
  12
- Side Wall Combustion Air Terminal
  12
- Vertical Vent Terminal
  12
- Vertical Combustion Air Terminal
  12
- Installations in the Commonwealth of Massachusetts
  14
- Common Vent Test
  14
Section 4.

16
Gas Supply and Piping

16
Section 6.

17
Section 5.

17
Pump Capacity

17
- Mascot II Heating System Pump Capacity
  17
Water Connections

17
- Central Heat System Piping
  17
- Cold Water Make-Up
  17
- Freeze Protection
  18
- Suggested Piping Schematics
  19
- Recognized Chemicals
  19
- Domestic Hot Water (DHW) Piping (LMC)
  19
Section 7.

25
Electrical Connections

25
- Main Power
  25
- Pump Connections
  25
- 24Vac Transformer Circuit Breaker
  25
- Central Heat - Call for Heat
  25
- Outdoor Air Temperature Sensor
  25
- Domestic Hot Water Connection
  25
  - System Sensor
    25
  - (Lead Lag/Cascading Operation Only)
    25
- External Control Connections
  25
- Wiring Diagrams
  26
Control Setup and Operation

28
Section 8.

28
- Display Navigation
  28
- Ignition Control - Sequence of Events
  28
- Modulation Control
  29
- Pump Control
  29
- High Limit
  29
- Stack Temperature
  29
  - Domestic Hot Water Temperature
    29
- Lead Lag / Cascading
  29
- Lead Lag Setpoint
  29
- Lead Lag Master/Slave Selection
  29
- Lead Lag Address
  29
- Lead Lag Hysteresis
  29
Section 9.

30
Modes of Operation

30
- Hydronic Heating Demand
  30
- Hydronic Heating with Outdoor Reset
  30
Hydronic Heating Using External SECTION

30
Section 10.

32
Operating Instructions

32
- Filling the Boiler System
  32
- Operating the Burner and Set up
  32
- Burner Operation
  32
- Boiler Setup and Adjustment
  33
- Shutting down Mascot II
  33
- To Restart Mascot II
  33
Section 11.

35
Maintenance

35
- System Maintenance
  35
- Appliance Maintenance and Component Description
  35
- Burner
  35
- Appliance Control
  35
- Ignitor Assembly
  35
- Flame Sensor
  36
- Blower
  36
- Heat Exchanger Coils
  36
- Gas Conversion
  36
Section 12.

37
- Sequence of Operation
  37
- Error Codes
  37
Trouble Shooting

37
- SECTION 9. 12.1 Sequence of Operation
  37
- General Information
  40
- Parts List
  40

Laars Mascot II LMC User Manual (8 pages)

MASCOT II Wall Mounted, Modulating Boiler Combination Boiler and Water Heater

Brand: Laars | Category: Boiler | Size: 1.4 MB

Laars Categories

Boiler Water Heater Swimming Pool Heater Industrial Equipment Heater

More Laars Manuals

Laars Mascot II LMC Manuals

Laars Mascot II LMC Installation And Operation Instructions Manual (52 pages)

Table of Contents

Section 1.

General Information

Section 2.

Locating the Appliance

Section 3

Venting and Combustion Air

Section 4.

Gas Supply and Piping

Section 6.

Section 5.

Pump Capacity

Water Connections

Section 7.

Electrical Connections

Control Setup and Operation

Section 8.

Section 9.

Modes of Operation

Hydronic Heating Using External SECTION

Section 10.

Operating Instructions

Section 11.

Maintenance

Section 12.

Trouble Shooting

Laars Mascot II LMC User Manual (8 pages)

Table of Contents

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Laars Categories