Laars NEOTHERM NTH Series Manuals

Manuals and User Guides for Laars NEOTHERM NTH Series. We have 4 Laars NEOTHERM NTH Series manuals available for free PDF download: Installation And Operation Instructions Manual, Manual, Startup Manual

Laars NEOTHERM NTH Series Installation And Operation Instructions Manual (104 pages)

Modulating Boilers and Volume Water Heaters

Brand: Laars | Category: Boiler | Size: 8.84 MB

Table of Contents
2
Section 1

5
General Information

5
- A Introduction
  5
- B Warranty
  5
- C Model Identification
  5
- D Safety Notes
  6
- E Model Overview
  8
- F Dimensions, Indoor Models
  14
- G Dimensions, Outdoor Models
  16
- H the Installation Kit (Installation Parts Box)
  18
Section 2

20
Locating the Unit

20
- A General Information
  20
- B Locating Appliance for Correct Vent Distance from Outside Wall or Roof Termination
  20
Section 3

21
Venting and Combustion Air

21
- A General Venting
  21
- B Combustion Air
  21
- C Venting
  24
- D Common Venting
  26
- E Locating Vent and Combustion Air Terminals
  26
- F Common Vent Test
  30
Section 4

31
Gas Supply and Piping

31
Section 5

32
Pump Requirements

32
- B Water Heater Flow and Head Requirements - Heater
  32
Water Connections

34
Section 6

34
Boiler

34
- Boiler Water Piping
  34
- Boiler Cold Water Make-Up
  34
- Condensate Drain
  35
- Freeze Protection
  35
- Boiler Suggested Piping Schematics
  35
- Recognized Chemicals
  35
B Water Heater

42
- Heater Water Quality
  42
- Piping Requirements
  42
- Cold Water Make-Up
  42
- Condensate Drain
  42
- Freeze Protection
  42
- Heater Suggested Piping Schematics
  42
- Heater Suggested Pumps
  43
Section 7

45
Installation and Wiring

45
Section 8

53
Using the Touch Screen

53
G the Configuration Menu

58
- System Identification & Access
  59
- Heat Configuration
  59
- G.2.A CH - Central Heat Configuration
  59
- G.2.B Setting up 4-20 Ma Setpoint
  59
- Outdoor Reset Configuration
  60
- DHW - Domestic Hot Water Config
  60
- Warm Weather Shutdown Config
  60
- Demand Priority Configuration
  61
- Modulation Configuration
  61
- Pump Connections
  61
- Statistics Configuration
  62
- High Limits
  62
- Stack Limits
  62
- Anti-Condensation Configuration
  62
- Frost Protection
  62
- System Configuration
  62
- Fan Configuration
  63
- Sensor Configuration
  63
- Lead Lag Follower Configuration
  64
- Lead Lag Leader Configuration
  66
- G.18.A about Lead Lag Operation
  69
- H Configure for a
  71
- Building Automation System
  71
- I Combustion Setup
  72
- J Adjusting CO 2
  74
Section 9

77
FIRST START up and ADJUSTMENT 9.A Filling the Boiler System

77
- B First Operation
  78
- C Shutting down the Unit
  78
- D Restarting the Unit
  78
Maintenance

79
Section 10

79
Section 11

84
Troubleshooting

84
Section 12

96
Replacement Parts

96
- General Information
  96
- B Parts List
  96
- Parts Illustrations
  98

Laars NEOTHERM NTH Series Installation And Operation Instructions Manual (84 pages)

Modulating Boiler Sizes 080–210 MBTU/h

Brand: Laars | Category: Boiler | Size: 4.6 MB

Table of Contents
2
Section 1

5
General Information

5
- A Introduction
  5
- B Warranty
  5
- C Model Identification
  5
- D Safety Notes
  6
- E Model Overview
  8
- F Dimensions
  9
- G the Installation Kit
  10
Section 2

11
Locating the Unit

11
- A General Information
  11
- B Locating Unit for Correct Vent Distance from Outside Wall or Roof Termination
  11
Venting and Combustion Air

12
Section 3

12
- A General Venting
  12
- Combustion Air
  12
- C Venting
  14
- D Common Venting
  15
- E Locating Vent & Combustion Air Terminals
  16
Section 4

19
- F Common Vent Test
  19
- Gas Supply and Piping
  19
Gas Supply and Piping

19
Pump Requirements

20
Section 5

20
- A Boiler Flow and Head Requirements
  20
Section 6

22
Water Connections

22
- Connections
  22
- Cold Water Make-Up
  22
- C Condensate Drain
  23
- D Freeze Protection
  23
- E Recognized Chemicals
  23
- Suggested Piping Schematics
  23
Electrical and Wiring Diagrams

31
Section 7

31
- A Installation Warnings
  31
- B Main Power Connections
  31
- C Pump Connections and Operation
  32
- D Hydronic Heating Using External Mod
  32
- E Optional Field Connections
  32
- F Lead Lag Connections
  34
- G System Wiring Diagram
  36
- H Ladder Diagram
  38
Section 8

39
The User Interface

39
- A about the User Interface
  39
- B Navigating the User Interface
  39
- The Home Display
  40
- D Customizing Your Home Display
  40
- E Entering/Changing Control Settings
  40
- F Quick Start Menu
  43
Configuration and Setup

44
(Including PASSWORDS)

46
- Warm Weather Shutdown
  46
- M Domestic Hot Water
  47
- About Lead Lag Operation
  49
- O Adjusting CO 2
  52
Section 9

54
First Start-Up and Adjustment Instructions

54
- A Filling the Boiler System
  54
- B First Operation
  55
- C Restarting the Unit
  55
- D Shutting down the Unit
  55
Section 10

56
Maintenance

56
Section 11

60
Operating Details and Troubleshooting

60
- A Normal Startup and Initialization
  60
- B Sequence of Operation
  60
- C Modulation Control
  60
- D Pump Control
  60
- E Anti-Short-Cycle
  60
- F Temperature Sensors
  61
- G Diagnostics
  61
- H Error Codes
  61
Section 12

62
Replacement Parts

62
- A General Information
  62
- B Parts List
  62
Appendices

69
Appendix A - Software Control Functions

69
Appendix Berror Messages

74

Laars NEOTHERM NTH Series Startup Manual (16 pages)

Modulating Boilers and Water Heaters with the EMEA Display

Brand: Laars | Category: Boiler | Size: 1.06 MB

Table of Contents
2
Operating the Interface

3
- Navigating the Operator Interface
  3
  - Info/Install Display, Sub-Menu
    4
  - Entering the Password
    5
- Changing the Setpoint
  5
  - Adjusting LCD Contrast
    6
Navigating Set up

6
- Customizing the Home Screen
  6
- Changing from Fahrenheit to Celsius
  6
Single Boiler Set up (Using Quick Start)

7
Cascading Multiple Boilers

9
- Lead Lag Set Point
  9
- Lead Lag Outdoor Reset
  9
- Warm Weather Shut down
  9
- DHW Set Point Using Lead Lag
  10
- Enable Master Control Function
  10
- Enable Slave Control Function on Master Control
  10
- Naming each Boiler
  11
- Adjust Base Load
  11
- Modbus Address
  12
- Slave Boilers Set
  12
Combustion Set up

13
- High Fire Navigation
  13
- Low Fire Navigation
  13

Laars NEOTHERM NTH Series Manual (20 pages)

Modulating Boilers and Volume Water Heaters with Touchscreen Display

Brand: Laars | Category: Boiler | Size: 2.94 MB

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Boiler Water Heater Industrial Equipment Swimming Pool Heater Heater

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Laars NEOTHERM NTH Series Manuals

Laars NEOTHERM NTH Series Installation And Operation Instructions Manual (104 pages)

Table of Contents

Section 1

General Information

Section 2

Locating the Unit

Section 3

Venting and Combustion Air

Section 4

Gas Supply and Piping

Section 5

Pump Requirements

Water Connections

Section 6

Boiler

B Water Heater

Section 7

Installation and Wiring

Section 8

Using the Touch Screen

G the Configuration Menu

Section 9

FIRST START up and ADJUSTMENT 9.A Filling the Boiler System

Maintenance

Section 10

Section 11

Troubleshooting

Section 12

Replacement Parts

Laars NEOTHERM NTH Series Installation And Operation Instructions Manual (84 pages)

Table of Contents

Section 1

General Information

Section 2

Locating the Unit

Venting and Combustion Air

Section 3

Section 4

Gas Supply and Piping

Pump Requirements

Section 5

Section 6

Water Connections

Electrical and Wiring Diagrams

Section 7

Section 8

The User Interface

Configuration and Setup

(Including PASSWORDS)

Section 9

First Start-Up and Adjustment Instructions

Section 10

Maintenance

Section 11

Operating Details and Troubleshooting

Section 12

Replacement Parts

Appendices

Appendix A - Software Control Functions

Appendix Berror Messages

Laars NEOTHERM NTH Series Startup Manual (16 pages)

Table of Contents

Operating the Interface

Navigating Set up

Single Boiler Set up (Using Quick Start)

Cascading Multiple Boilers

Combustion Set up

Laars NEOTHERM NTH Series Manual (20 pages)

Table of Contents

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