Lochinvar CF0502 Manuals

Manuals and User Guides for Lochinvar CF0502. We have 1 Lochinvar CF0502 manual available for free PDF download: Installation And Operation Manual

Lochinvar CF0502 Installation And Operation Manual

Lochinvar CF0502 Installation And Operation Manual (80 pages)

Lochinvar Water Heater User Manual

Brand: Lochinvar | Category: Water Heater | Size: 7 MB

Table of Contents

Hazard Definitions
2
- Table of Contents
  2
- Special Instructions
  3
Please Read before Proceeding
3
Safety Information
4
The Copper-Fin II - How It Works
5
Ratings
8
1 Determine Unit Location

9
2 Venting

13
- Before You Begin
  13
- Venting Category Definitions
  13
- Vent System Options
  14
  - Barometric Damper Location
    15
  - Venting Support
    15
- General Venting Information
  15
- Conventional Negative Draft Venting
  16
- Vertical Vent Termination Clearances and Location
  17
- Vertical Directaire Venting
  19
  - Combustion Air Inlet Piping
    19
  - Sidewall Air Inlet
    19
  - Vertical Rooftop Air Inlet
    20
  - Combined Air Inlet Points
    20
- Sidewall Venting
  22
- Sidewall Venting
  24
- Horizontal Directaire Venting
  25
- Direct Venting
  26
- Outdoor Installation
  30
3 GAS CONNECTIONS Connecting to Gas Supply

31
- Gas Pressure Test
  31
- Checking Manifold Gas Pressure
  31
  - Gas Piping
    31
  - Gas Train and Controls
    32
- Combination Gas Valves
  32
- Venting of Combination Gas Valves
  32
- Checking Gas Supply Pressure
  33
4 Water Connections

34
5 Electrical Connections

43
- Boiler Operating Control Module
  43
- Line Voltage Connections
  44
- Low Voltage Connections
  44
  - EMS or Remote Thermostat Connection
    44
  - Runtime Contacts
    45
  - Alarm Contacts
    45
- Wiring of the Cascade
  46
- Low Voltage Field Wiring Connections
  46
- STARTUP Check/Control Water Chemistry
  47
6 Startup

47
- Check/Control Water Chemistry
  47
- Freeze Protection (When Used)
  47
- Fill and Test Water System
  47
- Purge Air from Water System
  47
- Check for Gas Leaks
  47
- Check Thermostat Circuit(S)
  48
- Check Vent and Air Piping
  48
- Placing the Boiler in Operation
  48
- Start the Boiler
  48
- If Boiler Does Not Start Correctly
  48
- Set Space Heating Operation (Boiler Only)
  48
- For Your Safety Read before Operating
  49
- Operating Instructions
  49
- To Turn off Gas to Appliance
  49
- Set DHW Operation
  50
7 OPERATING INFORMATION General

51
- Temperature Control
  52
- Protection Features
  52
- Cascade
  53
- Sequence of Operation
  55
- Copper-Fin II Control Module
  56
  - Access Modes
    57
  - Saving Parameters
    57
- Status Display Screens
  58
8 Domestic Water Heaters

62
9 Owner Maintenance

71
- Service Technician
  71
- Flue Vent System and Air Piping
  72
- Check Control Settings
  73
- Check Burner Flame
  74
- Maintenance
  75
- Review with Owner
  75
10 Connection Diagram

76
11 Ladder Diagram

78
- Ladder Diagram
  79
- Revision Notes
  80

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