Lochinvar 399,999 Btu/hr Manuals

Manuals and User Guides for Lochinvar 399,999 Btu/hr. We have 2 Lochinvar 399,999 Btu/hr manuals available for free PDF download: Installation And Service Manual

Lochinvar 399,999 Btu/hr Installation And Service Manual (72 pages)

HYDRONIC HEATING BOILERS and DOMESTIC WATER HEATERS 399,999 - 2,070,000 Btu/hr MODELS

Brand: Lochinvar | Category: Boiler | Size: 3 MB

Domestic Water Heaters
1
Table of Contents
2
General Product Information

3
- Special Instructions
  3
- Unpacking
  3
- Codes
  3
- Warranty
  3
Safety Information

4
Product Identification

5
Installation

6
Freeze Protection

7
- Pump Operation
  7
- Location
  7
- Hydronic System Antifreeze
  7
- Outdoor Boiler Installation
  7
- Shutdown and Draining
  8
Freeze Protection for a Heating Boiler System

8
- Combustion and Ventilation Air
  8
- Combustion Air Filter
  8
- Combustion Air Options
  9
- Exhaust Fans
  11
Venting

11
Vent System Options

15
- Barometric Damper Location
  15
- Conventional Negative Draft Venting
  16
- 2. Vertical Directaire™ Venting
  17
- Sidewall Venting
  19
- Horizontal Directaire ™ Venting
  21
- Direct Venting
  22
- Outdoor Installation Venting
  26
Connecting to Gas Supply

28
- Gas Pressure Test
  28
- Gas Piping
  28
- Connecting Gas Piping to Unit
  28
- Gas Train and Controls
  29
- Combination Gas Valves
  30
- Venting of Combination Gas Valves
  30
- Checking Gas Supply Pressure
  30
- Gas Manifold Pressure Adjustment
  31
Connecting to Water Supply

32
- Inlet and Outlet Connections
  32
- Relief Valve
  33
- Water Flow Switch
  33
- Low Water Cutoff
  33
Connecting to Electrical Supply

33
Boiler System Piping

34
Water Treatment

40
- Terminal Strip Connection Options
  40
Operation

41
- Lighting Instructions
  42
- What to Do if You Smell Gas
  42
- Programming Temperature Control
  43
- Quick Programming Overview
  43
- To Turn off Gas to Appliance
  43
- Adjust Menu Setting Descriptions
  44
- Access Levels
  46
- Placement of Sensors
  46
- Temperature Control
  46
- Staging Logic
  47
- Error and Warning Messages
  49
Hot Surface Ignition System

49
Operation and Diagnostic Lights

51
Domestic Water Heaters

52
- Water Velocity Control
  52
- Water Chemistry
  52
- Pipe Size Requirements
  53
- Circulating Pump
  53
- Minimum Pump Performance
  54
- Heat Exchanger
  54
- Potable Hot Water Temperature Control Settings
  54
- Location of Cold Water Supply Piping Connections
  55
- High Water Temperature Limit Control
  55
- Optional Relief Valve
  55
- Thermal Expansion
  55
- Cathodic Protection
  55
Cleaning and Maintenance

56
Sequence of Operation

59
- Heat Transfer Process
  61
Troubleshooting Guide

62
- 750,000 Btu/Hr Models
  62
Troubleshooting Guide

63
- 2,070,000 Btu/Hr Models
  63
Wiring Diagram

64

Lochinvar 399,999 Btu/hr Installation And Service Manual (52 pages)

HYDRONIC HEATING BOILERS and DOMESTIC WATER HEATERS 45,000 - 500,000 Btu/hr

Brand: Lochinvar | Category: Water Heater | Size: 3 MB

Warranty
1
Safety Warnings
1
- Table of Contents
  2
- Installation Procedure
  3
Codes
3
Location
3
Clearance from Combustible Construction
4
Clearances
4
Combustion/Ventilation Air Requirements
4
A Conventional Negative Draft Venting System
7
Venting Termination
9
Masonry Chimney Installations
10
Sidewall Venting
10
Automatic Vent Damper
11
Gas Supply
12
- Gas Pres Sures & Piping
  12
  - Gas Pressure Test
    12
  - Gas Connection
    12
  - Gas Connections
    13
  - Gas Piping
    14
- Gas Manifold Pressure Adjustment Procedure
  15
- Checking Gas Supply Pressure
  16
- Supply Pres Sure Measurement
  16
Gas Valves
17
Relief Valve
18
Water Flow Switch (if Equipped)
18
Low Water Cutoff (if Equipped)
19
Electrical Connections
19
Temperature Adjustment
20
- Outdoor Air Reset Option
  22
- Additional Temperature Controls
  22
Temperature Limit Control
22
Initial Start-Up
23
Blocked Vent and Flame Roll-Out/Flame Interlock Switch
23
- Pre-Start Checklist
  24
- What to Do if You Smell Gas
  24
Lighting Instructions
24
Ignition & Control Timings
28
Freeze Protection
28
Water Treatment
29
Maintenance
29
- Flame Patterns
  29
Inspection Cleaning Procedure
30
- Heat Exchanger/Burner Access
  30
- Inspection and Cleaning
  30
Piping of the Boiler System
32
Gas Train
32
Water Connections Heating Boilers Only
32
- Installation Requirements
  32
- Pump Requirements
  32
- Circulator Pump Specifications
  33
- Pressure Drop Chart
  33
- Boiler Pump Operation
  33
- Typical Piping
  33
- Primary/Secondary Boiler Piping
  34
- Bypass Requirements
  35
- Low Tem Per a Ture Systems
  35
- Three Way Valves
  35
- Boiler Flow Rates
  35
- Typical Heating Boiler Installations
  36
- Placing Boiler in Operation
  36
- Installation with a Chilled Water System
  37
- Temperature Rise Chart
  37
- Boiler Temperature Control
  38
Remote Thermostat Control Connection
38
Power Venter Connection
38
Domestic Water Heater
38
- Water Velocity Control
  39
- Required Temperature Rise
  39
- Water Chemistry
  40
- Softened Water Systems
  40
- Pump Operation
  40
  - Minimum Pump Performance
    41
  - Heat Exchanger
    41
  - Thermostat Settings
    41
  - Optional Relief Valve
    42
- Risk of Scald Warnings
  42
  - Thermal Expansion
    43
  - Cathodic Protection
    43
Troubleshooting
44
Wiring Diagrams
46

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Lochinvar 399,999 Btu/hr Manuals

Lochinvar 399,999 Btu/hr Installation And Service Manual (72 pages)

Table of Contents

General Product Information

Safety Information

Product Identification

Installation

Freeze Protection

Freeze Protection for a Heating Boiler System

Venting

Vent System Options

Connecting to Gas Supply

Connecting to Water Supply

Connecting to Electrical Supply

Boiler System Piping

Water Treatment

Operation

Hot Surface Ignition System

Operation and Diagnostic Lights

Domestic Water Heaters

Cleaning and Maintenance

Sequence of Operation

Troubleshooting Guide

Troubleshooting Guide

Wiring Diagram

Lochinvar 399,999 Btu/hr Installation And Service Manual (52 pages)

Table of Contents

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Lochinvar Categories