IBC INTERGAS SFT 199 User Manual

INSTALLATION AND OPERATING INSTRUCTIONS
www.ibcboiler.com
SFT 199 Tankless Water Heater
(Natural Gas or Propane)
WARNING: If the information in this manual is not followed exactly, a  re or
explosion may result causing property damage, personal injury, or loss of life.
Do not store or use gasoline or other fl ammable vapours and liquids or other
combustible materials in the vicinity of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS:
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any phone in your building.
• Immediately call your gas supplier from a nearby phone. Follow the gas
supplier’s instructions.
• If you cannot reach your gas supplier, call the  re department.
Installation and service must be performed by a quali ed installer, service
agency or the gas supplier.
Ce manuel est également disponible en français sur notre site Web, au www.ibcboiler.com/TIPortal.

IBC INTERGAS SFT 199 Specifications

General

Brand	IBC
Model	INTERGAS SFT 199
Category	Water Heater
Language	English

Summary

SAFETY CONSIDERATIONS

HAZARDS & PRECAUTIONS

Explains DANGER, WARNING, CAUTION, and NOTE classifications for hazards.

PRE-INSTALLATION CHECK

Consider the following:

Lists factors to consider for pre-installation checks of the unit.

1.0 INSTALLATION

1.1 GENERAL

1.2 CODE REQUIREMENTS

Conditions for safe installations

Water heater clearance

1.3 LOCATION

1.4 EXHAUST VENTING AND AIR INTAKE

1.4.2 Exhaust Vent Material

Exhaust Vent Material - Other

1.4.3 Vent Travel

1.4.4 Venting Passage Through Ceiling and Floor

Rooftop Vent Termination

Provides instructions for terminating vents on a rooftop.

1.4.6 Sidewall Vent Termination

DIRECT VENT SIDE WALL TERMINATION KITS

1.4.7 “Direct Vent” Combustion Air Intake Unit's Piping

1.5 CONDENSATE REMOVAL

1.5.1 Condensate Trap

Explains the function and placement of the condensate trap.

1.5.2 Installing the Condensate Trap

Provides step-by-step instructions for installing the condensate trap.

1.5.3 Cleaning the Condensate Trap

1.5.4 Further Installation Details

1.7 DOMESTIC HOT WATER SYSTEM

WATER HEATER INSTALLATION GUIDELINES

1.7.2 Domestic Hot Water Piping

1.8 GAS PIPING

1.9 ELECTRICAL CONNECTIONS

1.9.1 120VAC Line Voltage Hook-up

Explains how to connect the unit to 120VAC power.

1.9.2 Power Quality and Electrical Protection

Advises on protecting the unit from power quality issues.

2.0 UNIT SYSTEM OPERATION

2.1 GENERAL

Introduces the SFT unit's capabilities and controller functions.

DANGER

Warns about severe burns from hot water temperatures over 125°F.

2.2 CONTROL

2.3 INSTALLER INTERFACE

Details the interface for installers.

2.3.1 Turning Appliance ON/OFF

2.3.2 Programming Mode

2.4 TANKLESS DOMESTIC HOT WATER MODES

2.4.1 Tankless Domestic Hot Water - Standard and ECO Comfort Modes

2.5 ADDING DOMESTIC HOT WATER STORAGE

2.6 SEQUENCE OF OPERATION

Describes the step-by-step operational sequence of the unit.

3.0 STARTUP & COMMISSIONING

3.1 LIGHTING & SHUTTING DOWN THE UNIT

Provides instructions for starting up and shutting down the unit.

FOR YOUR SAFETY READ BEFORE OPERATING

Crucial safety instructions before operating the appliance.

OPERATING INSTRUCTIONS

Step-by-step guide for operating the water heater.

TO TURN OFF GAS APPLIANCE

3.2 PRIOR TO START-UP

3.2.1 Pre-Ignition Checks

Details pre-ignition checks for safety and readiness.

3.2.2 Test Ignition Safety Shutoff

Explains how to test the ignition safety shutoff feature.

3.3 COMMISSIONING

3.4 FUEL CONVERSION

WARNING

Warns about hazards of incorrect fuel conversion.

4.0 MAINTENANCE

4.1 WATER HEATER MAINTENANCE

Details routine maintenance tasks for the water heater.

4.1.1 General Care

4.1.2 Inspection

Outlines annual inspection requirements by a qualified technician.

4.1.3 Venting

Details checks and maintenance for the venting system.

4.1.4 Condensate Trap

Specifies maintenance for the condensate trap.

4.1.5 Burner

Covers inspection, cleaning, and maintenance of the burner.

4.1.6 Heat Exchanger

Details inspection and cleaning of the heat exchanger.

4.1.7 Gas Piping

4.1.8 Control Module

4.1.9 Freeze Protection

4.1.10 Relief Valve - Maintenance and Testing

Details procedures for testing and maintaining the relief valve.

4.1.11 Domestic Hot Water System

4.1.12 Fan and gas valve removal instructions

4.1.13 Fan and gas valve re-assembly instructions

5.0 TROUBLESHOOTING

5.1 Preliminary Checks

Guides users through initial troubleshooting steps.

5.2 ELECTRONIC COMPONENTS

Details troubleshooting for electronic components like sensors.

5.2.1 Temperature Sensors

5.2.2 Fan/Blower

5.2.3 Flue Gas Temperature Sensor

5.2.4 Domestic Hot Water Flow Sensor

5.2.5 Domestic Hot Water Sensor

5.3 WARNINGS AND FAULTS

Lists and explains warning and fault codes displayed by the unit.

5.3.1 Warning Codes

Details specific warning codes and their causes/solutions.

5.4 OTHER FAULTS

Addresses faults not covered by specific warning codes.

5.4.1 No heat (central heating) fault codes

5.4.2 No domestic hot water (DHW)

5.4.3 Domestic hot tap water does not reach the correct temperature

5.4.4 Burner ignites loudly

5.4.5 Burner resonates

INSTALLATION & COMMISSIONING REPORT