Laars MFTHW199 Manuals

Manuals and User Guides for Laars MFTHW199. We have 1 Laars MFTHW199 manual available for free PDF download: Installation And Operation Instructions Manual

Laars MFTHW199 Installation And Operation Instructions Manual

Laars MFTHW199 Installation And Operation Instructions Manual (96 pages)

Wall-Mounted, Modulating Gas, Condensing, Heating Only, Boiler

Brand: Laars | Category: Boiler | Size: 8.06 MB

Table of Contents

Table of Contents
2
Section 1

3
Product Accessories

3
- Introduction
  3
- Included with the Appliance
  3
Section 2

4
Product Characteristics

4
- Model Nomenclature
  4
- Specifications
  5
- Dimensions
  8
- Names of Components
  10
- Product Flow and Characteristics
  13
Section 3

14
Safety Regulations

14
- Safety Symbols
  14
- Safety Precautions and Proper Use
  16
Section 4

17
Installation

17
- Location and Clearances
  17
- Wall Mount Bracket
  18
  - Installation Height and Location
    18
  - Hang the Boiler
    18
- Combustion Air
  19
  - Combustion Air from Room
    19
  - Ducted Combustion Air
    19
- Venting (Exhaust)
  21
- General Location Guidelines
  22
- Locations for Vent Pipe Terminator
  23
- Air Supply and Vent Connections at the Appliance
  27
  - Vent / Air Pipe Lengths
    27
  - Direct Venting
    27
  - Indoor Combustion Air
    28
- Vent / Air Pipe Termination
  29
- Vertical Vent Termination
  30
- Gas Supply and Piping
  31
- Gas Supply Pressure
  36
- Gas Set up and Adjustment
  37
- High Altitude Installations and Orifices
  38
- Natural Gas to Propane Conversion
  39
- Plumbing Guidelines
  43
- Pressure Relief Valve
  48
- Disposal of Condensate
  49
- Electrical Wiring Connections
  50
- DIP Switches
  51
- Control Board, Electrical Diagram
  52
- Ladder Diagram
  53
- Electrical Connections
  54
Section 5

56
Control Display and Operation

56
- Control Dial and Buttons
  56
- LCD Overview
  57
- Operating Mode
  58
- Setting the Clock
  59
- CH Set Point Change Mode
  60
- Status Display Mode
  61
- Installer Mode
  62
- Storage (Indirect Water Heater)
  65
- Outdoor Reset Adjustment
  66
- External Set Point Temperature Control
  66
- Error Mode
  67
Section 6

68
Error Codes

68
- Fault Tree Analysis
  72
Section 7

73
Trouble Shooting

73
- Diagnostics
  73
- Suggested Corrective Actions
  74
Maintenance

76
Section 8

76
- Annual Startup and General Maintenance
  76
- Flushing the Boiler
  78
Section 9

79
Installation Check

79
- Quick View
  79
- Final Check Lists
  80
Parts

82
Section 10

82
- Parts List and Illustrations
  82

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