Manuali utente per Lochinvar SNA285-125

Sommario

• PLEASE READ BEFORE PROCEEDING

  3
• Hazard Definitions

  3
• Condensate Drain

  46
• RATINGS

  7
• Check for Gas Leaks

  47
• Inspect/fill Condensate System

  47
• Closet and Alcove Installations

  8
• Final Checks Before Starting the Water Heater

  47
• Provide Clearances

  8
• Flooring and Foundation

  10
• How the Water Heater Operates

  51
• Remove Water Heater from Wood Pallet

  10
• Temperature Control

  51
• Prevent Combustion Air Contamination

  10
• Protection Features

  51
• Water Heater Temperature Regulation

  52
• Heater

  11
• Adjustable Control Parameters

  52
• Saving Parameters

  52
• Combustion & Ventilation Air Requirements

  12
• Sequence of Operation

  53
• The Shield Control Module

  54
• Direct Venting Options

  15
• Status Display Screens

  55
• Install Vent and Combustion Air Piping

  16
• Requirements for Installation in Canada

  17
• Maintenance and Annual Startup

  57
• Sizing

  17
• Address Report Problems

  58
• Min./Max. Combustion Air & Vent Piping Lengths

  17
• Inspect Water Heater Interior

  58
• Materials

  18
• Clean Condensate Trap

  58
• Optional Room Air

  19
• Check All Piping for Leaks

  58
• PVC/CPVC

  20
• Flue Vent System and Air Piping

  58
• Polypropylene

  21
• Check Water System

  58
• Stainless Steel Vent

  22
• Check Expansion Tank

  59
• 3. SIDEWALL DIRECT VENTING

  23
• Check Water Heater Relief Valve

  59
• 4. VERTICAL DIRECT VENTING

  30
• Inspect Ignition & Flame Sense Electrodes

  59
• Check Ignition Ground Wiring

  59
• General Piping

  34
• Check All Water Heating Wiring

  59
• Scalding

  34
• Check Control Settings

  59
• Water Chemistry

  35
• Perform Startup & Checks

  59
• Piping Components

  35
• Check Burner Flames

  60
• Piping Diagrams

  36
• Check Flame Signal

  60
• Review with Owner

  60
• Connecting Gas Supply Piping

  39
• Handling Ceramic Fiber Materials

  60
• Natural Gas

  40
• Cleaning Heat Exchanger

  60
• Pipe Sizing for Natural Gas

  40
• Oiled Bearing Circulators

  61
• Natural Gas Supply Pressure Requirements

  40
• Magnesium Anode Rod Inspection

  61
• Propane Gas

  40
• Check Delta T

  61
• Pipe Sizing for Propane Gas

  40
• Propane Supply Pressure Requirements

  40
• Before Troubleshooting

  62
• Check Inlet Gas Supply

  41
• Troubleshooting Chart - No Display

  63
• Gas Pressure

  42
• Checking Temperature Sensors

  64
• Gas Valve Replacement

  42
• Troubleshooting Chart - Noisy System

  65
• Low Voltage Connections

  43
• Displayed

  66
• Power Cord Connection

  43
• Combustion Analysis Procedure

  72
• Runtime Contacts

  43
• Gas Valve Adjustment Procedure

  73
• Alarm Contacts

  43
• Ladder Diagram

  74
• Wiring Diagram

  75