Lochinvar 1,700,000 Btu/hr Gas Boiler Manuals

Manuals and User Guides for Lochinvar 1,700,000 Btu/hr Gas Boiler. We have 1 Lochinvar 1,700,000 Btu/hr Gas Boiler manual available for free PDF download: Installation And Service Manual

Lochinvar 1,700,000 Btu/hr Installation And Service Manual

Lochinvar 1,700,000 Btu/hr Installation And Service Manual (72 pages)

Power-Fin 4:1 HOT WATER HEATING BOILERS DOMESTIC HOT WATER SUPPLY BOILERS

Brand: Lochinvar | Category: Boiler | Size: 3 MB

Table of Contents

Warranty
1
Safety Warnings
2
Table of Contents
3
Installation Requirements

4
- Codes
  4
- Location
  4
- Clearances
  5
- Combustion/Ventilation Air Requirements
  5
- Construction Air Filter
  8
Venting Options

9
- Category IV Venting
  9
  - Flue Pipe Sizes
    9
  - Flue Pipe Materials
    10
  - Vent Length Requirements
    10
  - Masonry Chimneys
    11
  - Vertical Terminations
    12
  - Horizontal Terminations
    12
- Direct Vent Systems
  14
  - Vertical Direct Vent
    15
    
    Air Inlet Pipe Materials
    15
    
    Combined Air Inlets
    15
    
    Air Inlet Pipe Length Requirements
    16
    
    Location Requirements
    16
    
    Multiple Vertical Direct Vent Installations
    17
  - Horizontal Direct Vent
    17
    
    Air Inlet Pipe Materials
    17
    
    Air Inlet Pipe Length Requirements
    17
    
    Location Requirements
    18
    
    Multiple Horizontal Direct Vent Installations
    18
  - Directaire Vent Systems
    19
    
    Materials
    19
    
    Vertical Flue - Sidewall Air
    19
    
    Sidewall Flue - Rooftop Air
    20
    
    Sidewall Flue - Sidewall Air
    21
Gas Supply

23
- Gas Supply Pressures
  23
- Manifold Pressure
  23
- Gas Pipe Sizing
  24
- Supply Pressure Measurement
  25
- Water Connections
  27
- Heat Exchanger
  28
Minimum Water Temperatures

28
- Flow Switch
  28
- Low Water Cutoff
  28
- Relief Valve
  29
- Gas Train
  29
  - Ratio Gas Valve
    29
  - Diaphragm Gas Valve
    30
- Electrical Requirements
  30
- Jacket
  31
Components and Controls

32
- Component Location Drawings
  32
- Variable Frequency Drive
  33
- Low Air Pressure Switch
  33
- Gas Pressure Switches
  34
- Electronic Temperature Controller
  34
  - Location
    34
  - Diagnostic Information Center
    35
  - Changeable Data Points
    35
  - Operation Status Led's
    36
  - Fault Status Led's
    36
  - Temperature Adjustment
    37
  - Outdoor Reset Function
    37
  - Lockout Procedure
    38
  - Limited Access Features
    38
  - Error Displays
    39
- Temperature Limit Control
  39
- Condensate Trap Installation
  40
- Hot Surface Ignition Control
  41
  - Igniter
    41
  - Diagnostic Status
    42
- Ignition and Control Timings
  42
- Burner Assembly
  42
- Combustion Air Blower
  43
- Cleaning Air Inlet Filter
  43
Lighting Instructions

44
Sequence of Operation

45
Maintenance

46
- Vent System
  46
- Flame Patterns
  47
- Cleaning Flue Gas Passageways
  47
- Burner Cleaning
  47
- Changing the HSI
  48
- Heat Exchanger Inspection
  49
- Lubrication
  49
- Control Circuit Voltage
  50
- 10. Condensate Trap
  50
- Combustion Blower Measurements
  50
- Freeze Protection
  51
Heating Boiler

52
- Typical Piping
  52
- Boiler Pump Operation
  53
- Intermittent Pump
  53
- Primary/Secondary Piping
  53
- Minimum Water Temperatures
  54
- Low Water Temperature Bypass
  54
- Three Way Valves
  55
- High Flow Bypass
  56
- Boiler Flow Rates
  56
- Placing the Boiler in Operation
  57
- Boiler Temperature Control
  58
- Boiler Operation
  58
- Typical Piping
  60
- Maximum Flow Rate
  60
- Water Velocity Control
  60
  - Domestic Hot Water
    60
  - Water Heaters
    60
- Temperature Rise
  61
- Water Chemistry
  61
- Piping Requirements
  62
- Pump Operation
  63
- Temperature Adjustment
  64
- Minimum Water Temperatures
  64
- Risk of Scald Warnings
  65
- Temperature Limit Control
  66
- Relief Valve
  66
- Thermal Expansion
  66

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