IBC SL 20-160 G3 Installation And Operating Instructions Manual
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IBC SL 20-160 G3 Installation And Operating Instructions Manual

Modulating gas boiler
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SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3
WARNING: If the information in this manual is not followed exactly, a fire or
explosion may result causing property damage, personal injury, or loss of life.
Do not store or use gasoline or other flammable 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 fire department.
• Installation and service must be performed by a qualified installer, service
agency or the gas supplier.
This Manual is also available in French - contact IBC or visit our web site www.ibcboiler.com
MODULATING GAS BOILERS
(Natural Gas or Propane)
www.ibcboiler.com

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  • Page 1 • If you cannot reach your gas supplier, call the fire department. • Installation and service must be performed by a qualified installer, service agency or the gas supplier. This Manual is also available in French - contact IBC or visit our web site www.ibcboiler.com www.ibcboiler.com...
  • Page 2 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS SAFETY CONSIDERATIONS Installation, start-up and servicing of IBC boilers must be done with due care and WARNING attention, and should only be performed by competent, qualified, licensed and trained heating technicians.
  • Page 3 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS SPECIFICATIONS SPECIFICATION SL 10-85 G3 SL 14-115 G3 SL 20-160 G3 SL 30-199 G3 10.6 - 85 CSA Input (Natural Gas or Propane*) - MBH...
  • Page 4 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS THIS PAGE IS INTENTIONALLY LEFT BLANK INSTALLATION AND OPERATION INSTRUCTIONS...

  • Page 5: Table Of Contents

    2.0 IBC BOILER CONTROLLER ........
  • Page 6 3.4.3 Installing the burner ..........3-7 3.4.3.1 Installing the burner - SL 10-85 G3, SL 14-115 G3, SL 20-160 G3 ..3-7 3.4.3.2 Installing the burner - SL 30-199 G3 .
  • Page 7 SL 20-115 G2 MODULATING GAS BOILER SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS The Installer must carefully read this manual to ensure that all installation details can be adhered to. Special attention is to be paid to clearances and access, vent travel and termination, gas supply, condensate removal and combustion air supply.
  • Page 8 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS THIS PAGE IS INTENTIONALLY LEFT BLANK INSTALLATION AND OPERATION INSTRUCTIONS...

  • Page 9: Installation

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS 1.0 INSTALLATION 1.1 GENERAL SL Series gas-fired modulating boilers are low pressure, fully condensing units having variable input ranges (see specification chart - inside, front cover). Approved as “Category IV”...
  • Page 10 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS Figure 2: Dimensions / Connections for SL 20-160 G3 - Front view, side view, top view and bottom view Figure 3: Dimensions / Connections for SL 30-199 G3 - Front view, side view, top view and bottom view...

  • Page 11: Code Requirements

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS 1.2 CODE REQUIREMENTS The SL models were tested to and certified under CSA 4.9-2014 / ANSI Z21.13-2014.

  • Page 12: Exhaust Venting & Air Intake

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS DISTANCE FROM RECOMMENDED DISTANCE WARNING SURFACE COMBUSTIBLE FOR INSTALLATION AND...
  • Page 13 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS system is likely to be too large for the proper venting of the appliances that remain WARNING connected to it.

  • Page 14: Applications

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS 1.4.1 Applications All SL series boilers are approved with alternative venting options: either 2-pipe Direct Vent or Vent pipe with Indoor Air, offering flexibility to meet the specific requirements of the installation.

  • Page 15: Vent Travel

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS 1.4.3 Vent Travel WARNING PVC, CPVC or PPs (Rigid Single Wall) piping is the standard venting option; the SL...

  • Page 16: Venting Passage Through Ceiling And Floor

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS Figure 5 : Pipe and fitting beveling Follow all installation instructions supplied by the pipe and fitting manufacturer.

  • Page 17: Sidewall Vent Termination

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS b) For Rooftop Direct Vent systems: WARNING • Rooftop, two pipe, direct vent configurations, including typical clearance requirements, Condensate can cause corrosion are shown in Figure 6.
  • Page 18 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS • Clearance to a mechanical air supply inlet: - 6’ (1.82m) (USA - 3’ (0.91m) above if within 10’...
  • Page 19 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS b) Sidewall vent termination for indoor combustion air applications shall be as...
  • Page 20 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS Figure 14: Sidewall vent termination - multiple vent piping configuration...
  • Page 21 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS • 2 “ IBC part number 180-148 • 3 “ IBC part number 180-149 Figure 15: Allowed SST installation orientations Figure 16: Pipes extend completely through the wall (Vertical orientation shown).

  • Page 22: Direct Vent" Combustion Air Intake Piping

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS 1.4.7 “Direct Vent” Combustion Air Intake Piping WARNING There are two basic methods of supplying combustion air to an IBC boiler.

  • Page 23: Indoor Air" Combustion Air Intake

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS Combustion air piping - if used - is inserted directly into the 3” female stainless steel fitting on the top, right side of the boiler and run horizontally or vertically to the outdoors.

  • Page 24: Combustion Air Filtration

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS 1.4.9 Combustion Air Filtration NOTE If combustion air contamination from ingested particulate matter is a concern in any Combustion fan blockages installation, an optional air intake filter may be installed.

  • Page 25: Condensate Removal

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS 1.5 CONDENSATE REMOVAL WARNING IBC’s specified vent configuration promotes the safe drainage of moisture from the boiler...

  • Page 26: Condensate Trap Assembly - Cleaning Procedure

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS NOTE It is the responsibility of the installing and/or service...
  • Page 27 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS Figure 23: Condensate trap disassembly for cleaning WARNING Figure 24: Condensate trap drainage...

  • Page 28: Water Piping

    The extremely low pressure drop through the SL Series heat exchanger allows many options not available in other designs. In short – IBC has built a boiler that will allow you to pipe the system the way you prefer, rather than try and dictate your piping practices from boiler to radiator.
  • Page 29 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS WARNING During operation, the relief valve may discharge large amounts of steam and/or hot water.
  • Page 30 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS Figure 28: Relief piping with single side piping connections Figure 29: Relief piping with dual side connections 1-22 INSTALLATION AND OPERATION INSTRUCTIONS...
  • Page 31 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS System piping is connected to the boiler using the 1” NPT Male threaded fittings on the right or left side connection ports. Unions and gate or ball valves at the boilers supply and return water connections are recommended to simplify servicing.
  • Page 32 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS The SL series modulating boilers are designed to supply three different heating loads with WARNING temperatures within the range 34°F to 180°F - to meet three separately piped loads. Use closely spaced tees to connect each pumped “load”...

  • Page 33: Basic System Piping Arrangements

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS Figure 31: Important primary-secondary piping details with closely-spaced tees WARNING The SL series modulating boilers offer exceptional matching of heat generation to radiation. The low minimum firing is better suited to low thermal loads presented in a Do not use automotive-type typical multi-zoned radiation system.
  • Page 34 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS Figure 32: One-temperature space heating piping concept - tees on secondary piping Figure 33: Typical one-temperature space heating piping concept 1-26 INSTALLATION AND OPERATION INSTRUCTIONS...
  • Page 35 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS NOTE Load Combining is now available to operate 2 compatible water temperature loads at the same time.
  • Page 36 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS NOTE The piping drawings in this manual are simple schematic guides to a successful installation.
  • Page 37 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS Parallel load piping - Benefits and installation rules Compared with the Primary/Secondary approach, the design below saves one pump. Lost is the simplicity of constant head and flow at the boiler.
  • Page 38 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS Check valves or thermal traps should be used to isolate both the supply and return piping NOTE for each load - to avoid thermal siphoning and reverse flow.

  • Page 39: Gas Piping

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS NOTE It is essential to check gas supply pressure to each boiler with a manometer or other high-quality precision measuring device. Pressure should be monitored before...

  • Page 40: Electrical Connections

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS Gas piping must have a sediment trap ahead of the boiler’s gas valve (see Figure 44). A manual shutoff valve must be located outside the boiler, in accordance with local codes/ standards.

  • Page 41: Power Quality And Electrical Protection

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS The boiler (primary) pump is connected to the White/Yellow pair labeled Primary Pump. NOTE This lead is factory wired to the controller (and its 120 VAC supply) at the upper right backside of the controller board.

  • Page 42: Other Wiring

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS 1.8.5 Other Wiring Other optional low voltage connections to the control board include: • Two auxiliary interlocks - for external safety devices as may be required by some jurisdictions, such as a low water cut-off or a low gas pressure cut-out (for off-grid propane).
  • Page 43 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS Figure 43: Electrical Wiring Connections (full page ladder diagram at back of this manual)
  • Page 44 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS THIS PAGE IS INTENTIONALLY LEFT BLANK 1-36 INSTALLATION AND OPERATION INSTRUCTIONS...

  • Page 45: Ibc Boiler Controller

    Load Combining – simultaneous operation of 2 similar water temperature loads • The control can manage and/or operate in a network of up to 24 IBC VFC or SL boilers Some of the new features available in the touch screen control include: •...

  • Page 46: Control Interface

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS Operational and historical data may be accessed at any time using the System Status and Load Profiles sections of the control. Error logs are available in the Diagnostics section and the controller is capable of recording any or all errors since original power-up complete with the date and time of the error.

  • Page 47: Startup & Commissioning

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS 3.0 STARTUP & COMMISSIONING 3.1 LIGHTING & BOILER SHUTDOWN STARTUP AND COMMISSIONING...

  • Page 48: Prior To Start-Up

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS 3.2 PRIOR TO START-UP WARNING 3.2.1 Pre-Ignition Checks Fill trap with water before boiler is first fired to prevent exhaust fumes Ensure venting system is complete and seal tested. Confirm any common venting from entering room.
  • Page 49 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS To verify the proper operation of the gas valve in the field, the following procedure must DANGER be carried out by a qualified technician (see Figure 44 for details of the gas valve and pressure system ).

  • Page 50: Fuel Conversion

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS 3.4 FUEL CONVERSION DANGER The SL modulating boilers are factory fire-tested to operate with natural gas, or propane Operating any IBC boiler using as ordered. The rating plate will be marked to indicate which fuel the particular boiler a fuel other than the fuel listed has been set up with.

  • Page 51: Gaining Access To The Combustion Chamber

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS Figure 44: Gas Valve and Pressure Reference System 3.4.1 Gaining access to the combustion chamber Remove the fan and gas valve assembly. See “Fan and gas valve removal instructions”...

  • Page 52: Removing The Burner

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS Re-assembly NOTE Inspect the refractory for cracks, degradation and flatness. If in doubt, replace with a The safety warning regarding new one. burner refractory on page 4-2 of If installing a new refractory, first place it onto the lid, aligning it at the igniter hole, this manual must be observed.

  • Page 53: Installing The Burner

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS cracking. 12. Place the lid with the burner attached, on a clean dry area. 13. With a permanent marker or equivalent, make an alignment mark on the refractory, lining it up with the same mark made earlier between the lid and heat exchanger.
  • Page 54 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS THIS PAGE IS INTENTIONALLY LEFT BLANK INSTALLATION AND OPERATION INSTRUCTIONS...

  • Page 55: Maintenance

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS 4.0 MAINTENANCE 4.1 BOILER MAINTENANCE 4.1.1 General Care • Keep combustible materials and flammable liquids and vapors away from the boiler. CAUTION • Keep vent terminals clear of obstructions (snow, dirt, etc.).

  • Page 56: Pump

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS 4.1.7 Pump CAUTION Check that the pump is on in normal operation and that the water Δ°T is reasonable for a The heat exchanger has a small given firing rate (e.g.

  • Page 57: Relief Valve - Maintenance And Testing

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS 4.1.13 Relief Valve - Maintenance and Testing CAUTION The relief valve manufacturer requires that under normal operating conditions a “try Before testing the relief valve, lever test”...

  • Page 58: Geography & Components

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS 4.2 GEOGRAPHY & COMPONENTS Safety Ignition Module Gas Valve Supply Water Pipe Ignitor Air pressure switch (behind Combustion Test Port bracket) Site Glass Touchscreen controller...

  • Page 59: Fan And Gas Valve Removal Instructions

    SL 20-115 G2 MODULATING GAS BOILER SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS 4.2.1 Fan and gas valve removal instructions DANGER Turn off the power and the gas supply to the boiler.
  • Page 60 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS THIS PAGE IS INTENTIONALLY LEFT BLANK INSTALLATION AND OPERATION INSTRUCTIONS...

  • Page 61: Troubleshooting

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS 5.0 TROUBLESHOOTING The troubleshooting section is divided into 3 sections: NOTE • 5.1 Preliminary Checks This boiler is equipped with a • 5.2 Electronic Components blocked vent shutoff system, •...

  • Page 62: Electronic Components

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS 5.2 ELECTRONIC COMPONENTS This section details the method for troubleshooting the non-standard electronic components on the boiler including the electronic differential air pressure sensor and the temperature sensors.

  • Page 63: Fan

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS 5.2.2 Fan The fan is controlled by the SIM , and powered via one cable. 5.2.3 Water Pressure Sensor The water pressure sensor ensures that there is adequate pressure in the heating system for safe operation.

  • Page 64: Low Water Cutoff Function: Reset And Test

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS The SIM’s two status LEDs indicate the operating status as shown in the table below. Status Indicators DESCRIPTION, LED STATUS LED 1 LED 2 STATE...

  • Page 65: Hi-Limit Temperature Manual Reset Function: Reset And Test

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS Tap the SIM Module button. Tap the LWCO Test button. Disconnect the yellow wire from the LWCO function. A message on the screen indicates that the boiler is in lockout mode.

  • Page 66: Troubleshooting

    SL 20-115 G2 MODULATING GAS BOILER SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS 5.3 TROUBLESHOOTING 5.3.1 Using Control Module Errors Displayed WARNING Never attempt to repair the control module (circuit board). If the control module is defective, replace it immediately.
  • Page 67 SL 20-115 G2 MODULATING GAS BOILER SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS SYMPTOM DIAGNOSIS REMEDY TEMPERATURE SENSOR Current outlet • Check water flow. ERROR temperature exceeds operating limit. Touch Screen Message: Defective or •...

  • Page 68: Ignition Problems

    SL 20-115 G2 MODULATING GAS BOILER SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS 5.3.2 Ignition Problems SYMPTOM DIAGNOSIS REMEDY NOISY SPARK WHEN Ignition lead is not firmly Reconnect ignition lead. IGNITING connected.

  • Page 69: Cycling Problems

    SL 20-115 G2 MODULATING GAS BOILER SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS 5.3.3 Cycling Problems SYMPTOM DIAGNOSIS REMEDY RAPID CYCLING Improper values entered Check load maximum temps are above target temps, via keypad.

  • Page 70: Temperature Problems

    SL 20-115 G2 MODULATING GAS BOILER SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS 5.3.4 Temperature Problems SYMPTOM DIAGNOSIS REMEDY INSUFFICIENT HEAT Operating temperature Increase temperature target. too low. Priority parameters Review load configuration parameters.

  • Page 71: Miscellaneous

    SL 20-115 G2 MODULATING GAS BOILER SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS 5.3.5 Miscellaneous SYMPTOM DIAGNOSIS REMEDY FUMES AND HIGH HUMIDITY Improperly installed Refer to installation/operation instructions condensate trap Leak in vent piping...
  • Page 72 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS THIS PAGE IS INTENTIONALLY LEFT BLANK 5-12 INSTALLATION AND OPERATION INSTRUCTIONS...

  • Page 73: Diagrams

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS 6.0 DIAGRAMS This section includes: • Parts diagrams • Wiring diagrams • Sequence of operation DIAGRAMS...

  • Page 74: Parts Diagrams

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS 6.1 PARTS DIAGRAMS SL 10-85 G3/ SL 14-115 G3 Modulating Boiler - Parts assembly Diagram 6.1-1: Boiler assembly parts INSTALLATION AND OPERATION INSTRUCTIONS...
  • Page 75 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS DIAGRAMS...
  • Page 76 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS SL 20-160 G3 Modulating Boiler - Parts assembly Diagram 6.1-2: Boiler assembly parts INSTALLATION AND OPERATION INSTRUCTIONS...
  • Page 77 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS DIAGRAMS...
  • Page 78 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS SL 30-199 G3 Modulating Boiler - Parts assembly Diagram 6.1-3: Boiler assembly parts INSTALLATION AND OPERATION INSTRUCTIONS...
  • Page 79 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS DIAGRAMS...

  • Page 80: Wiring Diagrams

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS 6.2 WIRING DIAGRAMS Diagram 6.2-1: Ladder wiring diagram INSTALLATION AND OPERATION INSTRUCTIONS...
  • Page 81 SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS Better SL 14-115G3, SL 20-160G3, SL 20-199G3 INTERNAL WIRING DIAGRAM Boilers P303 brown white NRG130 Combustion green black P 101 green orange brown blue Valve...

  • Page 82: Sequence Of Operation

    SL 10-85 G3, SL 14-115 G3, SL 20-160 G3, SL 30-199 G3 MODULATING GAS BOILERS 6.3 SEQUENCE OF OPERATION Diagram 6.3: Sequence of operation diagram 6-10 INSTALLATION AND OPERATION INSTRUCTIONS...

  • Page 83: Installation & Commissioning Report

    INSTALLATION & COMMISSIONING REPORT Boiler Details: Model Number _____________________ Serial Number ______________________________________________ Date of Installation ______________ Address of installation __________________________________________ _____________________________________________________________________________________________ User contact information _______________________________________________________________________ Installer Information Company ___________________________________________________________________ Address ______________________________________________________________________________________ Phone/Fax/E mail ______________________________________________________________________________ Fuel Natural Gas Propane Gas Supply Pressure (high fire) _______ Inches w.c. Measured Rate of Input (high fire) ____________ Btu/hr Installation instructions have been followed and completed (Section 1 of Installation and Operating Instructions).

  • Page 84: Installer Setup

    INSTALLER SETUP Load Definition - Load #1 _______________________________________________________________________ Load Configuration - Load #1 _____________________________________________________________________________________________ Load Definition - Load #2 _______________________________________________________________________ Load Configuration - Load #2 _____________________________________________________________________________________________ Load Definition - Load #3 _______________________________________________________________________ Load Configuration - Load #3 _____________________________________________________________________________________________ Load Definition - Load #4 _______________________________________________________________________ Load Configuration - Load #4 _____________________________________________________________________________________________...

  • Page 85: Service Record

    SERVICE RECORD DATE LICENSED CONTRACTOR DESCRIPTION OF WORK DONE...

  • Page 86: Notes

    NOTES...
  • Page 87 NOTES...
  • Page 88 • This boiler is part of a modular or multiple boiler system having a total input 300,000 BTU/hr or greater. • This boiler is equipped with a tankless coil (not applicable to IBC’s SL boilers). US installers should contact IBC for any further information required.

  • Page 89: Revision History

    REVISION HISTORY R1 (MARCH 2017) Initial release R2 (APRIL 2017) Revision of Figures 33 and 34. Corrections to text (Specifications table and part numbers). R3 (MAY 2017) Corrections to tables and part numbers. R4 (July 2017) Inclusion of information relating to the SL 30-199 G3 boiler. R5 (September 2017) Inclusion of information relating to the SL 10-85 G3 boiler.
  • Page 90 IBC Technologies Inc. 8015 North Fraser Way Burnaby, BC Canada V5J 5M8 Tel: 604.877.0277 Fax: 604.877.0295 Toll Free: 1-844-432-8422 www.ibcboiler.com September 2017 © IBC Technologies Inc. 2017...

This manual is also suitable for:

Sl 14-115 g3Sl 10-85 g3Sl 30-199 g3

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