FULTON Vantage VTG 4000DF - User Manual

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INSTALLATION AND

OPERATION MANUAL

Vantage (VTG)

Condensing Hydronic Boilers

Standard, Dual Fuel, and Low Emissions Models

2,000,000 - 6,000,000 BTU/HR

504k - 1.5 MM kCal/HR

Serial/ National

Board Number

Model

Fulton Order

Owner

Site Name

Date

VTG-IOM-2016-1214

Table of Contents

Questions and Answers

A
Ashley PruittAug 9, 2025
What to do if the pilot fails on my FULTON Boiler?
- M
  Mary OlsonAug 9, 2025
  If the pilot fails on your FULTON Boiler, several factors could be at play. Start by ensuring the manual shut-off valves are open, allowing gas to flow to the pilot tube. Then, adjust the incoming gas pressure and pilot gas pressure regulator to match the start-up report. If these steps don't resolve the issue, there may be air in the pilot gas line. In that case, allow the boiler to attempt lighting up to three times. If it still fails, it is recommended to call Fulton.
M
Matthew EdwardsAug 28, 2025
How to fix a FULTON Boiler when the control doesn't illuminate?
- T
  tbrownAug 28, 2025
  If the control panel on your FULTON Boiler isn't lighting up, it's likely a power supply issue. Check the fuse or circuit breaker and reset or replace it as needed.
N
nicole26Nov 18, 2025
Why won't the fan start on my FULTON Boiler?
- C
  Calvin MooreNov 18, 2025
  If the fan on your FULTON Boiler isn't starting, there are several potential causes: * A high temperature, low gas, or high gas trip may have occurred. In this case, try resetting the switch. If that doesn't work, the switch may need replacement. * The UT32A may be incorrectly set, preventing heat. Adjust the UT32A accordingly. * The flame detector may be detecting an extraneous light source. Identify and remove the light source. If the problem persists, replace the flame detector. * The air switch may be activated when the fan is off. Try resetting the switch, and if that doesn't work, replace it. * The blower contactor might be engaged when the fan is off. If so, replace the motor contactor. * A defective gas valve proof of closure can also prevent the fan from starting. Rep...

Summary

Operation

Perform Pre-Start-Up Inspection

Steps to Enter Parameters

Procedure for navigating and entering parameters on the boiler control.

Adjusting Fuel;Air Curve

Field adjustments for fuel/air curve points for optimal combustion.

Maintenance

Annual Maintenance and Inspection Schedule

Troubleshooting

Guide to diagnosing and resolving common boiler issues.

Operation

Sequence of Operations

How the ModSync sequences boilers for maximum hydronic loop efficiency.

BMS Configuration

Configuring communication settings for Building Management Systems.

Alarm Configuration

Setting up and understanding ModSync alarms for safety and monitoring.

Lead; Lag Configuration 1

Network

Network Parameter Configuration and Address Listings

Details on communication parameters and ModSync addresses for BMS integration.

Boiler Modbus Network (Port 3)

Maintenance

ModSync Alarms

Common Troubleshooting Issues

Resolutions for common problems encountered with the ModSync system.

FULTON Vantage VTG 4000DF Specifications

General

Brand	FULTON
Model	Vantage VTG 4000DF
Category	Boiler
Language	English

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