Lochinvar Crest 3500 Series Manuals

Manuals and User Guides for Lochinvar Crest 3500 Series. We have 1 Lochinvar Crest 3500 Series manual available for free PDF download: Installation & Operation Manual

Lochinvar Crest 3500 Series Installation & Operation Manual

Lochinvar Crest 3500 Series Installation & Operation Manual (64 pages)

Condensing boiler

Brand: Lochinvar | Category: Boiler | Size: 8 MB

Table of Contents

Hazard Definitions

2
- Table of Contents
  2
Please Read before Proceeding

3
The Crest - How It Works

4
Ratings

6
1 Determine Boiler Location

7
2 General Venting

14
3 VERTICAL DIRECT VENTING Vent/Air Termination - Vertical

19
- Determine Location
  19
- Prepare Roof Penetrations
  19
- Termination and Fittings
  19
- Multiple Vent/Air Terminations
  20
- Sidewall Direct Venting
  21
4 SIDEWALL DIRECT VENTING Vent/Air Termination - Sidewall

21
- Determine Location
  21
- Prepare Wall Penetrations
  22
- Termination and Fittings
  22
- Multiple Vent/Air Terminations
  22
- Room Air
  23
5 Hydronic Piping

24
- System Water Piping Methods
  24
- Low Water Cutoff Device
  24
- Chilled Water System
  24
- Freeze Protection
  24
- General Piping Information
  24
- Circulator Sizing
  25
- Near Boiler Piping Components
  26
6 Gas Connections

31
- Connecting Gas Supply Piping
  31
- Natural Gas
  32
  - Pipe Sizing for Natural Gas
    32
  - Natural Gas Supply Pressure Requirements
    32
- Propane Gas
  32
  - Pipe Sizing for Propane Gas
    32
  - Propane Supply Pressure Requirements
    32
- Check Inlet Gas Supply
  33
- Gas Valve Replacement
  34
7 Field Wiring

35
- Line Voltage Connections
  35
- Low Voltage Connections
  36
- Outdoor Temperature Sensor
  36
- Wiring of the Cascade
  37
- Condensate Disposal
  39
8 CONDENSATE DISPOSAL Condensate Drain

39
9 Startup

40
- Check for Gas Leaks
  41
- Start the Boiler
  42
- For Your Safety Read before Operating
  43
- Operating Instructions
  43
- To Turn off Gas to Appliance
  43
- Set Space Heating Operation
  44
- Operating Information
  46
10 OPERATING INFORMATION General

46
- Temperature Control
  46
- Cascade
  49
- Sequence of Operation
  50
- Status Screen
  51
- Main Screen
  52
11 Maintenance

53
- Maintenance and Annual Startup
  53
  - Address Reported Problems
    54
  - Inspect Boiler Area
    54
  - Check Expansion Tank
    55
  - Check Boiler Relief Valve
    55
  - Check Control Settings
    55
  - Check Burner Flame
    56
  - Check Flame Signal
    56
  - Review with Owner
    57
  - Handling Ceramic Fiber Materials
    57
  - Cleaning Boiler Heat Exchanger
    57
12 Diagrams

58
- Ladder Diagrams
  60
- Wiring Diagrams
  64
- Revision Notes
  64

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