Lochinvar XT Series Manuals

Manuals and User Guides for Lochinvar XT Series. We have 1 Lochinvar XT Series manual available for free PDF download: Installation And Operating Manual

Lochinvar XT Series Installation And Operating Manual

Lochinvar XT Series Installation And Operating Manual (60 pages)

RESIDENTIAL GAS WATER HEATERS POWER VENTED GAS MODELS WITH HOT SURFACE IGNITION

Brand: Lochinvar | Category: Water Heater | Size: 1.92 MB

Table of Contents

For Your Safety
1
Table of Contents

2
Safe Installation, Use and Service

3
General Safety

4
Introduction

6
- Qualiﬁ Ed Installer or Service Agency
  6
- Preparing for the Installation
  6
Installation Requirements for the Commonwealth of Massachusetts

7
Commonwealth of Massachusetts 7

9
Typical Installation

9
- Get to Know Your Water Heater - Gas Models (List Referencing Figures 1-7)
  9
Safety Lockouts

14
- High Limit Controls (TCO)
  14
  - Thermostat/Water Temperature
    14
  - Blower High Limit Switch
    14
- Blower Air Pressure Switch
  14
- Flammable Vapor Sensor
  14
Locating the New Water Heater

15
- Facts to Consider about the Location
  15
- Storage of Flammable Liquids
  15
  - Clearances to Combustibles
    16
  - Floors with Carpeting
    16
  - Clearance for Servicing
    16
- Insulation Blankets
  17
- Air Requirements
  17
- Unconﬁ Ned Space
  17
- Unusually Tight Construction
  17
- Conﬁ Ned Space
  17
- Direct Vent Appliances
  18
- Exhaust Fans
  18
- Fresh Air Openings for Conﬁ Ned Spaces
  18
- Chemical Vapor Corrosion
  19
Installing the New Water Heater

20
- Water Piping
  20
- Space Heating and Potable Water Systems
  20
- Combo Heating
  21
  - System Requirements
    21
  - Installation
    21
- Closed Water Systems
  22
- Thermal Expansion
  22
- Temperature-Pressure Relief Valve
  23
  - T&P Valve Discharge Pipe Requirements
    23
  - Temperature-Pressure Relief Valve and Pipe Insulation
    24
- High Altitude Installation
  24
- Gas Piping
  24
- Sediment Traps/Dirt Leg
  25
- Filling the Water Heater
  26
- Venting
  26
- Termination Clearances Sidewall Power Vent
  27
- Blower Assembly Installation
  28
- Installation of Vent System
  28
- Planning the Vent System
  28
- High Ambient Temperature Installations
  28
- Polypropylene Vent Systems
  29
- Condensate
  29
- Exhaust Venting
  30
- Blower Exhaust Direction
  35
- Vent Pipe Preparation
  35
- Installation Checklist
  38
Lighting Instructions

39
Operating the Temperature Control System

40
- Gas Control Valve/Thermostat
  41
For Your Information

42
- Start up Conditions
  42
  - Condensate
    42
  - Thermal Expansion
    42
  - Closed Water Systems
    42
  - Smoke/Odor
    42
  - Strange Sounds
    42
- Operational Conditions
  42
  - Smelly Water
    42
  - Air" in Hot-Water Faucets
    43
- High Water Temperature Shut-Off System
  43
Periodic Maintenance

44
- General Upkeep
  44
- Venting System Inspection
  44
- Blower Maintenance
  44
- Cleaning the Blower
  44
- Burner Operation and Inspection
  45
- Combustion Chamber and Burner Cleaning
  46
- Housekeeping
  46
- Anode Rod Inspection
  46
- Anode Rod
  46
  - Removing Anode Rod
    46
  - Installing Anode Rod
    47
- Temperature-Pressure Relief Valve Test
  47
- Draining and Flushing
  48
  - To Drain the Water Heater Storage Tank
    48
  - To Flush the Water Heater Storage Tank
    48
Leakage Checkpoints

49
- Service
  49
Reference Parts Listing

50
Troubleshooting Guidelines

52
- Resetting the Heater Control
  54
- TCO Resettable Lockout
  54
- Lockouts
  54
  - Soft Lockout
    54
  - Hard Lockout
    54
- Ignition State and Timing
  55
- System Status and Error Codes
  55
Limited Warranty

58

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