IBC SL 40-399 G3 Installation And Operating Instructions Manual
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IBC SL 40-399 G3 Installation And Operating Instructions Manual

Modulating gas boilers natural gas or propane
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SL 26-260 G3, SL 40-399 G3
MODULATING GAS BOILERS
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 vapors 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
SL 40-399 G3
(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 SL 40-399 G3 www.ibcboiler.com...

  • Page 2: Safety Considerations

    Supplied with the boiler - The IBC boiler is shipped with an accessory parts kit consisting of the following items: • Installation and Operating Instructions •...

  • Page 3: Specifications

    SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS SPECIFICATIONS SPECIFICATION SL 26-260 G3 SL 40-399 G3 26 - 260 CSA Input (Natural Gas or Propane) - MBH 40 - 399 7.6 - 76.2 CSA Input (Natural Gas or Propane) - kW 11.7 - 117...
  • Page 4 SL 26-260 G3, SL 40-399 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 SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 4.0 MAINTENANCE ........... 4-1 4.1 BOILER MAINTENANCE .
  • Page 7 SL 80-399 MODULATING GAS BOILER SL 26-260 G3, SL 40-399 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 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS THIS PAGE IS INTENTIONALLY LEFT BLANK INSTALLATION AND OPERATION INSTRUCTIONS...

  • Page 9: Installation

    SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 1.0 INSTALLATION 1.1 GENERAL The gas-fired modulating boilers are low pressure, fully condensing units having a variable input range. Approved as “Category IV” vented appliances, the boilers use either Direct Vent (sealed combustion) or indoor combustion air, providing a great degree of installation flexibility.
  • Page 10 SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS Figure 1A: Dimensions / Connections for SL 26-260 G3 9.7in [246mm] Figure 1B: Dimensions / Connections for SL 40-399 G3 INSTALLATION AND OPERATION INSTRUCTIONS...

  • Page 11: Code Requirements

    SL 80-399 MODULATING GAS BOILER SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 1.2 CODE REQUIREMENTS The boilers are tested and certified under CSA 4.9-2014 / ANSI Z21.13-2014. Installation must conform to local codes, or in the absence of these, with the latest editions of CAN/CGA B149.1 and the Canadian Electrical Code Part 1 CSA C22.2 No.

  • Page 12: Exhaust Venting And Air Intake

    SL 80-399 MODULATING GAS BOILER SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS • At a new construction site, or during renovations, action must be taken to protect WARNING the boiler from drywall dust or other construction related contaminants; combustion air should be drawn from a CLEAN source (e.g.
  • Page 13 SL 80-399 MODULATING GAS BOILER SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS All venting must be installed in accordance with the requirements of the jurisdiction having WARNING authority: in Canada, Part 8, Venting Systems of the B149.1-10 Code and any other local building codes are to be followed.

  • Page 14: Applications

    SL 80-399 MODULATING GAS BOILER SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS • Place in operation the appliance being inspected. Follow the lighting instructions. Adjust the thermostat so that the appliance operates continuously. • After it has been determined that each appliance remaining connected to the common...

  • Page 15: Vent Travel

    The actual vent travel allowance is reduced for fittings in accordance with the outlet and tighten clamp to ensure following tables. For example, for an SL 40-399 G3 using 6 x 90º CPVC vent elbows, the the venting connection is locked maximum lineal measure of pipe allowed is 152 feet (200' –...
  • Page 16 4" PPs Flexible 160' max, using 1.2 x for equivalent length Table 3B: Maximum Exhaust Venting Length for SL 40-399 G3 For Flexible PPs, up to 160 actual lineal feet are allowed in a nominally vertical orientation (>45°). The equivalent length of 4” Flex PPs shall be computed using a multiple of 1.2:1, e.g.80' x 1.2 = 96’...

  • Page 17: Venting Passage Through Ceiling And Floor

    36", or more, apart). Use the same 12" (minimum) vertical expansion noise, allow a 1/4” gap separation for all termination options. For alternate group terminations, contact the IBC around the exhaust and air intake Factory for written guidance.

  • Page 18: Sidewall Vent Termination

    • Clearance under veranda, porch, deck or balcony: - 12” (0.3m) IBC strongly recommends a minimum of 24” with the boilers to avoid damage to the structure. Note: Prohibited unless fully open on a minimum of two sides below the floor.
  • Page 19 SL 80-399 MODULATING GAS BOILER SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS Figure 10: Vent terminal clearances Figure 9: Sidewall vent termination - indoor combustion air applications CAUTION Vent termination clearances in this section are code minimum, or IBC recommended minimum requirements, and may be inadequate for your installation.
  • Page 20 SL 80-399 MODULATING GAS BOILER SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS • WARNING It is extremely important to maintain at least the minimum separation of exhaust vent termination from boiler intake air as illustrated in figures 12 and 13.
  • Page 21 The Stainless Sidewall Terminal (SST) 3 inch IBC part number 180-149 (sold In areas of high snowfall, users separately included with the IBC kit P-257 ), is the only direct vent sidewall terminal must be advised to check approved for use with the IBC boiler model.
  • Page 22 SL 80-399 MODULATING GAS BOILER SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS Figure 14: Allowed SST installation orientations Figure 15: Pipes extend completely through the wall (Vertical orientation shown). Figure 16: Minimum separation for multiple vent installation - vertical orientation...

  • Page 23: Direct Vent" Combustion Air Intake Piping

    SL 80-399 MODULATING GAS BOILER SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 1.4.7 “Direct Vent” Combustion Air Intake Piping WARNING The direct vent option uses piping from the outside to supply combustion air directly to the In addition to preventing boiler’s combustion air connection.

  • Page 24: Indoor Air" Combustion Air Intake

    4" PPs Flexible 160' max, using 1.2 x for equivalent length Table 4B: Maximum Intake Pipe Venting Length for SL 40-399 G3 NOTE For the inlet air – 4" Schedule 40 PVC, CPVC, ABS, or PPs piping of any type is Combustion air piping - if used - is permitted.

  • Page 25: Combustion Air Filtration

    IMPORTANT: Under no circumstances should a third-party air filter be installed on an IBC boiler without proper evaluation and written approval of the IBC Engineering Department. Figure 20: Air Intake Filter...

  • Page 26: Condensate Removal

    SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 1.5 CONDENSATE REMOVAL WARNING IBC’s specified vent configuration promotes the safe drainage of moisture from the boiler Fill trap with water before boiler and exhaust venting without flowing liquids back through the heat exchanger (as done by is first fired to prevent exhaust some other condensing boilers).

  • Page 27: Condensate Trap Assembly - Cleaning Procedure

    SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS NOTE It is the responsibility of the installing and/or service Contractor to advise and instruct the end User in how to perform the Trap cleaning procedure, and to advise that the Trap be checked at least every two months and cleaned as required.
  • Page 28 SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS Figure 23: Condensate trap Figure 24 Condensate trap drainage disassembly for cleaning WARNING If condensates are to be discharged into building drain piping materials that are subject to corrosion, a neutralization package must be used.

  • Page 29: Water Piping

    The extremely low pressure drop through the SL Series heat exchanger be installed that it: 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 1.
  • Page 30 SL 80-399 MODULATING GAS BOILER SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS Fluid fill is most often accomplished by using a boiler regulator & fill valve set at 12 psig WARNING or more, with the appropriate backflow prevention device as required by local code. This...
  • Page 31 SL 80-399 MODULATING GAS BOILER SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS BOILER HEAD LOSS WARNING Water quality has a significant BOILER HEAD LOSS SL 26-260 G3 impact on the lifetime and Flow rate (gpm) performance of an IBC Boiler heat exchanger.

  • Page 32: Installation Rules

    SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 1.6.2 Installation Rules WARNING If the installation involves small loads, as in typical zoned baseboard heating applications, Do not use automotive-type use of a buffer tank is recommended. To aid in temperature transition from hot to cool...
  • Page 33 SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS Compared with the Primary/Secondary approach, the above design saves one pump. Lost is the simplicity of constant head and flow at the boiler. Check valves or thermal traps should be used to isolate both the supply and return piping for each load - to avoid thermal siphoning and reverse flow.
  • Page 34 SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS NOTE The piping drawings in this manual are simple schematic guides to a successful installation. There are many necessary components not shown, and details such as thermal traps are left out so the drawings have greater clarity.
  • Page 35 SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS NOTE When using the sequential load feature of the IBC boiler, attention must be paid to the operation of system components in order to ensure they are compatible. Many air handlers (fan coils)

  • Page 36: Gas Piping

    SL 80-399 MODULATING GAS BOILER SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 1.7 GAS PIPING NOTE The boilers require an inlet gas supply pressure of at least 4.0" w.c. for natural gas or Due to the precision of modern propane during high fire operation.

  • Page 37: Electrical Connections

    SL 80-399 MODULATING GAS BOILER SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 1.8 ELECTRICAL CONNECTIONS All electrical wiring to the boiler (including grounding) must conform to local electrical codes and/or to the National Electrical Code, ANS/NFPA No. 70 – latest edition, or to the Canadian Electrical Code, C22.1 - Part 1.

  • Page 38: Power Quality And Electrical Protection

    SL 80-399 MODULATING GAS BOILER SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 1.8.2 Power Quality and Electrical Protection NOTE In areas of unreliable power, appropriate surge protectors and or power conditioning The IBC boiler (like any modern equipment should be installed in powers supply wiring circuits.

  • Page 39: Thermostat Heat Anticipator

    SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 1.8.6 Thermostat Heat Anticipator IBC “Therm.” contacts draw no power, so an anticipator setting for the thermostat is not applicable with the SL modulating series boilers. In the case of a single temperature / heat load where zone valves are used to manage individual thermostatically controlled zones, each room thermostat’s heat anticipator should be adjusted to the current draw of its...
  • Page 40 SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS THIS PAGE IS INTENTIONALLY LEFT BLANK. 1-32 INSTALLATION AND OPERATION INSTRUCTIONS...

  • Page 41: 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 touchscreen control include: •...

  • Page 42: Control Interface

    SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 2.3 CONTROL INTERFACE The control interface is provided through a 2-1/4 x 4 inch, color touchscreen display. The touchscreen responds to a light finger touch on the screen. You can also use a stylus or similar device to operate the touch controls.

  • Page 43: Startup & Commissioning

    SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 3.0 STARTUP & COMMISSIONING 3.1 BOILER SHUTDOWN & LIGHTING STARTUP AND COMMISSIONING...

  • Page 44: Prior To Start-Up

    The controller will automatically detect the installation's altitude and make the appropriate adjustments to operate the boiler up to 12,000 feet in elevation without de-ration. The boiler will automatically de-rate at altitudes above 12,000 feet. Refer to the IBC Altitude tables for further information.
  • Page 45 SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS Turn off the gas supply. With a small (1/8” or 3 mm) flat screwdriver, open the inlet gas DANGER supply pressure test port by turning its center-screw one full turn counterclockwise.

  • Page 46: Gas Valve And Fan Diagrams

    SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 3.3.1 Gas Valve and Fan Diagrams Figure 37A: Gas Valve and Pressure Reference System - SL 26-260 G3 Figure 37B: Gas Valve and Pressure Reference System - SL 40-399 G3 INSTALLATION AND OPERATION INSTRUCTIONS...

  • Page 47: Fuel Conversion

    SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 3.4 FUEL CONVERSION WARNING The SL boilers are factory fire-tested to operate with natural gas or propane as ordered. Check the rating plate of the The rating plate will be marked to indicate which fuel the particular boiler has been set boiler to ensure it is configured up with.

  • Page 48: Gaining Access To Combustion Chamber And Burner Removal Instructions

    SL 80-399 MODULATING GAS BOILER SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 3.4.1 Gaining access to combustion chamber and NOTE burner removal instructions The safety warning regarding SL 26-260 G3 burner refractory on page 4-2 of this manual must be observed.
  • Page 49 SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 11. 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. 12. Carefully remove the refractory, and place in a clean dry area.
  • Page 50 SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS Ensure that the lid (orange) gasket is in place and level. Carefully insert the lid-burner assembly straight down. Ensure that there is limited contact between the burner and refractory, and observe the alignment markings.

  • Page 51: Maintenance

    SL 26-260 G3, SL 40-399 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 52: Pump

    SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 4.1.7 Pump WARNING Check that the pump is on in normal operation and that the water Δ°T is reasonable for a given firing rate. The IBC heat exchanger has a small amount of combustion chamber insulation (refractory), 4.1.8 Gas Piping...

  • Page 53: Relief Valve - Maintenance And Testing

    SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 4.1.13 Relief Valve - Maintenance and Testing WARNING The relief valve manufacturer requires that under normal operating conditions a “try Do not use automotive-type lever test” must be performed every two months. Under severe service conditions, or if...

  • Page 54: Geography & Components

    SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 4.2 GEOGRAPHY & COMPONENTS Components of the SL 26-260 G3 ITEM NO. COMPONENT ITEM NO. COMPONENT Pressure Relief Valve Low Water Cutoff Probe Combustion Test Port Site Glass Safety Ignition Module...
  • Page 55 SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS Components of the SL 40-399 G3 ITEM NO. COMPONENT ITEM NO. COMPONENT Venturi Mixing Device Water Pressure Sensor Return Water Temperature Sensor Supply Water Temperature Sensor Return Water Pipe Air Intake Pipe...

  • Page 56: Fan And Gas Valve Removal Instructions

    SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 4.2.1 Fan and gas valve removal instructions SL 26-260 G3 Turn off the electric power and gas supply to the boiler. Ensure the boiler cools down to the surrounding temperature. Do not drain the boiler unless freezing conditions are expected during this procedure.

  • Page 57: Fan And Gas Valve Re-Installation

    SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 10. With the venturi mixing device still attached, remove the fan by pulling straight up ensuring that no wires are caught and that the gas line remains in place. Place the removed components in a clean, dry area.

  • Page 58: Replacing The Gas Valve

    SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 4.2.3 Replacing the gas valve SL 26-260 G3 Turn off the electric power and gas supply to the boiler. Remove the electrical connection from the gas valve. Ensure the boiler cools to the surrounding temperature. Do not drain the boiler unless freezing conditions are expected during this procedure.

  • Page 59: Troubleshooting

    SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 5.0 TROUBLESHOOTING NOTE This boiler is equipped with a blocked vent shutoff system, which closes the gas supply The troubleshooting section is divided into 3 sections: upon detection of an irregular •...

  • Page 60: Electronic Components

    SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 5.2 ELECTRONIC COMPONENTS This section details the method for troubleshooting the non-standard electronic components on the boiler. 5.2.1 Temperature Sensors The resistance of the temperature sensors varies inversely with temperature. To test,...

  • Page 61: Fan

    SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 5.2.2 Fan Operating power is provided by means of a separate 120 VAC connector (white/black/ green). Control of the fan is provided via a four lead connector. This connector feeds a PWM control signal (black wire) from the controller and provides a tachometer signal (white wire) back from the fan.

  • Page 62: Low Water Cutoff Function: Reset And Test

    SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS The SIM’s two status LEDs indicate the operating status as shown in the table below. Status Indicators DESCRIPTION, LED LED 1 LED 2 STATE STATUS INDICATION Rapid Flash Rapid Flash Power up or Resetting...

  • Page 63: Water Temperature Function: Reset And Test

    SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 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. To reset the boiler, reconnect the yellow wire to the LWCO function.

  • Page 64: Troubleshooting

    SL 80-399 MODULATING GAS BOILER SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 5.3 TROUBLESHOOTING 5.3.1 Using Control Module Errors Displayed WARNING The bottom line of the touchscreen is reserved for displaying the boiler's error status. The Never attempt to repair the boiler status bar will normally be Green, but can change color to Yellow or Red.
  • Page 65 SL 80-399 MODULATING GAS BOILER SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS SYMPTOM DIAGNOSIS REMEDY LOW WATER CUTOFF ERROR The Safety and Ignition See Section 5.2.4. module has detected a Touchscreen message: low water condition. Error - Low Water Cutoff...

  • Page 66: Ignition Problems

    SL 80-399 MODULATING GAS BOILER SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS SYMPTOM DIAGNOSIS REMEDY TEMPERATURE SENSOR Current outlet • Check water flow. ERROR temperature exceeds operating limit. Touchscreen Message: Defective or • Check wiring to temperature sensor and control Error - Max.

  • Page 67: Cycling Problems

    SL 80-399 MODULATING GAS BOILER SL 26-260 G3, SL 40-399 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. by 1/2 of the selected boiler differential. Ensure boiler differential is OK (16-30°F is generally adequate)

  • Page 68: Temperature Problems

    SL 80-399 MODULATING GAS BOILER SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 5.3.4 Temperature Problems SYMPTOM DIAGNOSIS REMEDY LOW HEAT Operating temperature Increase temperature target. too low. Priority parameters Review load configuration parameters. or load configuration improperly set up.

  • Page 69: Miscellaneous

    SL 80-399 MODULATING GAS BOILER SL 26-260 G3, SL 40-399 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 Inspect using soap solution Flue gas leak within boiler...
  • Page 70 SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS THIS PAGE IS INTENTIONALLY LEFT BLANK. 5-12 INSTALLATION AND OPERATION INSTRUCTIONS...

  • Page 71: Diagrams

    SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 6.0 DIAGRAMS This section includes: • Parts diagrams • Wiring diagrams • The sequence of operation DIAGRAMS...

  • Page 72: Parts Diagrams

    SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 6.1 PARTS DIAGRAMS SL 26-260 G3 Boiler - Parts assembly Diagram 6.1-1: Boiler assembly parts - SL 26-260 G3 INSTALLATION AND OPERATION INSTRUCTIONS...
  • Page 73 SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS ITEM PART NUMBER DESCRIPTION 240-113 150-073 MIXER O-RING 180-161 FUEL MIXER, NG 180-162 FUEL MIXER, LP 250-742 GASKET, GAS VALVE COUPLER 250-768 GAS VALVE COUPLER 250-741 NUT, GAS VALVE COUPLER 180-166...
  • Page 74 SL 80-399 MODULATING GAS BOILER ITEM PART NUMBER DESCRIPTION BRACKET, BLOCKED VENT PRESS. 250-867 SWITCH 240-138 BLOCKED VENT PRESSURE SWITCH 240-008 TRANSFORMER 500-105 IGNITION MODULE 240-132 FLUE TEMPERATURE SENSOR 250-855 FLUE TEMPERATURE SENSOR FITTING 250-804 EXHAUST DUCT 250-856 INTAKE DUCT 250-800 ACCESS COVER INSTALLATION AND OPERATION INSTRUCTIONS...
  • Page 75 SL 80-399 MODULATING GAS BOILER THIS PAGE IS INTENTIONALLY LEFT BLANK. TROUBLESHOOTING...
  • Page 76 SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS SL 40-399 G3 Boiler - Parts assembly Diagram 6.1-2: Boiler assembly parts - SL 40-399 G3 INSTALLATION AND OPERATION INSTRUCTIONS...
  • Page 77 SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS ITEM PART # DESCRIPTION 240-113 150-073 MIXER, NG 180-164 MIXER, LP 150-232 MIXER O-RING 190-160 GAS VALVE ELBOW 150-259 GAS VALVE ELBOW O-RING 250-869 NATURAL GAS ORIFICE 12.0 250-865 PROPANE ORIFICE 11.2...
  • Page 78 SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS ITEM PART # DESCRIPTION 80 PSI CAPACITY, 316Ti STAINLESS 170-028 STEEL 170-029 80 PSI CAPACITY, 439 STAINLESS STEEL 250-853 SUPPLY WATER PIPE ASSEMBLY 180-189 TRIDICATOR 240-010 LOW WATER CUT-OFF SENSOR 180-005...

  • Page 79: Wiring Diagrams

    SL 80-399 MODULATING GAS BOILER SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 6.2 WIRING DIAGRAMS Diagram 6.2-1: Ladder wiring diagram DIAGRAMS...
  • Page 80 SL 80-399 MODULATING GAS BOILER SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS Better SL 40-399 G3 and SL 26-260 G3 Boilers INTERNAL WIRING DIAGRAM NG150 Combustion white white Outlet Water P 101 Temperature blue blue 5 x plug...

  • Page 81: Sequence Of Operation

    SL 80-399 MODULATING GAS BOILER SL 26-260 G3, SL 40-399 G3 MODULATING GAS BOILERS 6.3 SEQUENCE OF OPERATION Diagram 6.3: Sequence of operation diagram 6-11 DIAGRAMS...

  • Page 82: 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 83: Installer Set-Up

    INSTALLER SET-UP 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 84: Service Record

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

  • Page 85: Notes

    NOTES...
  • Page 86 • 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 87: Revision History

    REVISION HISTORY R1 (March 2017) Initial release R2 (AVRIL 2017) Corrections to text (Specifications table and part number tables)
  • Page 88 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 April 2017 © IBC Technologies Inc. 2017...

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