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NTI VM110P User Manual

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Vmax Boiler
Model Number: VM110, VM110P
Version Date: 2015-02-09
INSTALLATION AND OPERATION INSTRUCTIONS FOR
Vmax BOILER
TABLE OF CONTENTS
1.0 INTRODUCTION ................................................................................................................ 3
2.0 SPECIFICATIONS .............................................................................................................. 6
3.0 BOILER LOCATION .......................................................................................................... 7
4.0 GENERAL VENTING ....................................................................................................... 10
5.0 VENT/AIR-INLET TERMINATION CLEARANCES ..................................................... 22
6.0 CONDENSATE DRAIN .................................................................................................... 25
7.0 INSTALLING GAS PIPING .............................................................................................. 27
8.0 LIGHTING THE BOILER ................................................................................................. 29
9.0 GAS VALVE AND BURNER SET-UP ............................................................................ 32
10.0 BOILER AND HEATING SYSTEM PIPING ................................................................... 35
11.0 DOMESTIC HOT WATER (DHW) PIPING .................................................................... 46
12.0 FIELD WIRING ................................................................................................................. 49
13.0 CASCADE INSTRUCTIONS ............................................................................................ 52
14.0 WIRING SCHEMATICS ................................................................................................... 54
15.0 INSTALLATION CHECKLIST ........................................................................................ 56
16.0 ANNUAL MAINTENANCE AND INSPECTION ........................................................... 57
17.0 DISPLAY MENU GUIDE ................................................................................................. 59
18.0 TROUBLESHOOTING ..................................................................................................... 71
19.0 PARTS LIST ...................................................................................................................... 74
HAZARD SYMBOLS AND DEFINITIONS
Danger Sign: Indicates a hazardous situation which, if not avoided, will
result in serious injury or death.
Warning Sign: Indicates a hazardous situation which, if not avoided,
could result in serious injury or death.
Caution Sign plus Safety Alert Symbol: Indicates a hazardous situation
which, if not avoided, could result in minor or moderate injury.
Caution Sign without Safety Alert Symbol: Indicates a hazardous
situation which, if not avoided, could result in property damage.
Notice Sign: Indicates a hazardous situation which, if not avoided,
could result in property damage.
This Boiler must be installed by a licensed and trained Heating
Technician or the Warranty is Void. Failure to properly install this
unit may result in property damage, serious injury to occupants, or possibly death.
NTI # 85171
NEW PRODUCT
Fire-tube Boiler
w/ Built-in Pump
H

Table of Contents

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NTI VM110P Specifications

General IconGeneral
BrandNTI
ModelVM110P
CategoryBoiler
LanguageEnglish

Summary

Hazard Symbols and Definitions

Introduction

General Installation Requirements

Details essential requirements for the installation of the NTI Vmax gas boiler.

User Responsibilities

Outlines the duties of the boiler owner/user regarding installation and maintenance.

Installer Responsibilities

Defines the duties of the installing technician for proper boiler installation.

Specifications

High Altitude Operation

Guidance on how to de-rate boiler capacity for installations above 2000 ft.

Boiler Location

Wall Mounting Installations

Instructions and reference for wall mounting the boiler using integrated brackets.

General Venting

Mandatory Pre-commissioning for Plastic Venting

Required procedure for plastic venting systems before firing the boiler.

Venting Rules and Guidelines

Comprehensive rules and guidelines for boiler venting installation and operation.

Termination Clearances

Illustrations of Termination Clearances

Diagrams illustrating sidewall and roof termination clearances for venting.

Removing Boiler from Common Venting System

Condensate Drain

Condensate Trap Installation

Step-by-step instructions for installing the factory-supplied condensate trap.

Installing Gas Piping

Gas Piping Installation

Guidance on installing gas piping, including code compliance and materials.

Lighting the Boiler

Safety - Read Before Operating

Critical safety precautions to read and understand before attempting to light the boiler.

Boiler Lighting Operating Instructions

Step-by-step procedure for safely lighting and starting the boiler.

Initial Start-Up Procedure

Steps for the initial startup of the boiler after installation or servicing.

Gas Valve and Burner Set-up

Gas Line Pressure Measurement

Procedure for measuring gas line pressure to ensure correct operation.

Combustion Calibration

Procedure for calibrating burner operation using a combustion analyzer.

Boiler and Heating System Piping

Boiler Water Requirements

Parameters for boiler water chemistry, pressure, and oxygen elimination.

Near Boiler Plumbing (Central Heating)

Details on connecting central heating plumbing to the boiler.

Boiler System Plumbing

Guidance on system plumbing, flow rate, and circulator requirements.

Domestic Hot Water (DHW) Piping

VM110P DHW Plumbing and Set-up

Details on connecting and setting up the DHW system for VM110P models.

Safe Potable Water Temperatures

Health and safety considerations for domestic hot water temperatures.

Field Wiring

Wiring Connections

Details on making electrical connections to the boiler's control panel.

Cascade Instructions

Establishing the Managing Boiler

Procedure for designating one boiler as the managing unit in a cascade.

Wiring Schematics

Installation Checklist

Pre-Installation Checklist Items

Checklist items to verify before starting the boiler installation.

Operational Checklist

Items to check to ensure proper boiler operation after installation.

Annual Maintenance and Inspection

Annual Inspection Checklist

A list of items to inspect during the annual maintenance of the boiler.

Refractory Ceramic Fibers (RFC) Safety

Safety precautions and PPE recommendations when working with refractory ceramic fibers.

Display Menu Guide

Initial Power-Up Sequence

Describes the initial display sequence and de-air process upon boiler power-up.

User Menu Navigation

Details on navigating the User Menu to view boiler operating conditions.

Installer Menu Navigation

Guide to navigating the Installer Menu for adjusting boiler settings.

Lockout and Error History

Accessing and understanding boiler lockouts and blocking errors.

Fill - Low Water Pressure Error

Indicates low water pressure and the steps to resolve it.

Troubleshooting

Diagnosing an Inoperative Boiler

Steps to diagnose the cause of a boiler that is not operating.

Troubleshooting: Blank Display

Steps to take when the boiler display shows no output.

Troubleshooting: No Heat to Radiators

Steps to diagnose why radiators are not receiving heat.

Troubleshooting: No DHW

Steps to diagnose why domestic hot water is not being produced.

Parts List

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