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IBC SFC-99 User Manual

IBC SFC-99
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IMPORTANT
This unit is equipped with a feature that saves energy by reducing the unit’s water
temperature as the heating load decreases. This feature is equipped with an override
which is provided primarily to permit the use of an external energy management system
that serves the same function. THIS OVERRIDE MUST NOT BE USED UNLESS AT
LEAST ONE OF THE FOLLOWING CONDITIONS IS TRUE:
• An external energy management system is installed that reduces the unit’s water
temperature as the heating load decreases.
• This unit is not used for any space heating.
• This unit is part of a modular or multiple unit system having a total input
of 300,000 BTU/hr or greater.
• This unit is equipped with a tankless coil.
US installers should contact IBC for any further information required.

Table of Contents

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IBC SFC-99 Specifications

General IconGeneral
Efficiency95% AFUE
Heat Exchanger MaterialStainless Steel
Fuel TypeNatural Gas
Control SystemElectronic
Heating Capacity99, 000 BTU/h

Summary

Safety and Preparation

General Safety Warnings

General warnings about fire, explosion, gas leaks, and immediate actions.

Hazards and Precautions

Installation Procedures

Code Requirements

Exhaust Venting and Air Intake

Planning for venting materials, travel, termination, and managing steam plume impact.

Condensate Removal

Domestic Hot Water System

Guidelines for installing the domestic hot water system, including pressure relief and temperature settings.

Gas Piping Installation

Requirements for gas supply pressure, piping size, sediment traps, and manual shutoff valves.

Electrical Connections

Conformance to electrical codes, line voltage hook-up, and wiring for pumps and controls.

Startup and Commissioning

Unit Startup and Shutdown

Safety procedures and step-by-step instructions for safely starting and stopping the appliance.

Pre-Startup Checks

Commissioning Procedures

Steps for verifying proper operation, including gas pressure, high/low fire adjustments, and combustion analysis.

Fuel Conversion Process

Procedures for converting the unit between natural gas and propane, including orifice changes and adjustments.

Troubleshooting Guide

Preliminary Diagnostic Checks

Electronic Component Diagnostics

Warning and Fault Code Resolution

Common Operational Faults

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