Lochinvar PFN1302-M9 Manuals

Manuals and User Guides for Lochinvar PFN1302-M9. We have 1 Lochinvar PFN1302-M9 manual available for free PDF download: Installation & Operation Manual

Lochinvar PFN1302-M9 Installation & Operation Manual

Lochinvar PFN1302-M9 Installation & Operation Manual (68 pages)

Brand: Lochinvar | Category: Boiler | Size: 4.2 MB

Table of Contents

Hazard Definitions

2
- Table of Contents
  2
Please Read before Proceeding

3
The Power-Fin - How It Works

4
Ratings

6
1 Determine Boiler Location

7
2 General Venting

14
- Venting Options
  14
- Optional Room Air
  14
- Install Vent and Combustion Air Piping
  15
  - Air Inlet Pipe Materials
    15
- Vent and Air Piping
  16
- Air Intake/Vent Connections
  16
- Min./Max. Combustion Air & Vent Piping Lengths
  17
- Removing from Existing Vent
  18
- Vent and Air Piping
  18
- Common Venting CAT II
  18
- Outdoor Venting
  19
- Vertical Direct Venting
  20
3 VERTICAL DIRECT VENTING Vent/Air Termination - Vertical

20
- Determine Location
  20
- Prepare Roof Penetrations
  20
- Termination and Fittings
  20
- Multiple Vent/Air Terminations
  21
- Sidewall Direct Venting
  22
4 SIDEWALL DIRECT VENTING Vent/Air Termination - Sidewall

22
- Determine Location
  22
- Prepare Wall Penetrations
  23
- Termination and Fittings
  23
- Multiple Vent/Air Terminations
  23
- Room Air
  24
- Water Connections
  25
5 WATER CONNECTIONS Inlet and Outlet Connections

25
- Heat Exchanger
  25
- Minimum Water Temperatures
  25
- Water Flow Switch
  26
- Low Water Cutoff
  26
- Relief Valve
  26
- Heating Boiler Installations
  26
- Low Temperature Bypass Requirements
  33
- Gas Connections
  35
6 GAS CONNECTIONS Connecting Gas Supply Piping

35
- Natural Gas
  35
  - Pipe Sizing for Natural Gas
    35
  - Natural Gas Supply Pressure Requirements
    35
- Propane Gas
  36
  - Pipe Sizing for Propane Gas
    36
  - Propane Supply Pressure Requirements
    36
- Check Inlet Gas Supply
  36
- Gas Pressure
  37
- Gas Valve Replacement
  37
7 Field Wiring

38
- Boiler Operating Control Module
  38
- Line Voltage Connections
  38
- Electrical Connections
  38
- Low Voltage Connections
  39
- Wiring of the Cascade
  40
- Condensate Disposal
  42
8 CONDENSATE DISPOSAL Condensate Trap Installation

42
9 Startup

43
- Check for Gas Leaks
  44
- Start the Boiler
  45
- For Your Safety Read before Operating
  46
- Operating Instructions
  46
- To Turn off Gas to Appliance
  46
10 Operating Information

48
- Set Hot Water Generator (HW) Operation
  48
  - Configuration of the Cascade
    49
- General
  50
- Temperature Control
  50
- Cascade
  53
- Sequence of Operation
  54
- Home Screen
  55
11 Maintenance

56
- Maintenance and Annual Startup
  56
  - Address Reported Problems
    57
  - Inspect Boiler Area
    57
  - Check Expansion Tank
    58
  - Check Boiler Relief Valve
    58
  - Check Control Settings
    58
  - Check Burner Flame
    59
12 Diagrams

62
- Wiring Diagrams
  62
- Ladder Diagrams
  65
- Revision Notes
  68

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