IBC DC Series Installation And Operating Instructions Manual
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IBC DC Series Installation And Operating Instructions Manual

Boilers / water heaters
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See also: User's Information Manual
DC Series Boilers / Water Heaters
DC 15-95, DC 15-96, DC 20-125, DC 33-160
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
(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: Safety Considerations

    DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 SAFETY CONSIDERATIONS WARNING If the information in this Installation, start-up and servicing of IBC boilers / water heaters must manual is not followed exactly, a fire or explosion...

  • Page 3: Specifications

    DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 SPECIFICATIONS SPECIFICATION DC 15-95 DC 15-96 DC 20-125 DC 33-160 CSA Input (Natural Gas or Propane) – MBH 15 - 95 15 - 96 20 - 125 33 - 160 CSA Input (Natural Gas or Propane) –...
  • Page 4 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 DANGER BURN ° Water temperture over 125°F (52°C) can cause severe burns instantly or death from scalds. ° Children, disabled, and elderly are at highest risk of being scalded.
  • Page 5 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 CONTENTS INSTALLATION........... . 1-1 GENERAL .
  • Page 6 • Ensure the domestic hot water demands are considered before purchasing the DC Series boiler / water heater. The addition of a storage tank or an IBC Indirect Water Heater may be required in some cases. INSTALLATION AND OPERATION INSTRUCTIONS...
  • Page 7 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 INSTALLATION GENERAL DC Series gas-fired modulating boilers / water heaters are low pressure, fully condensing units having variable input ranges (see specification chart - page 3).

  • Page 8: Code Requirements

    DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 CODE REQUIREMENTS The DC 15-95, DC 15-96, DC 20-125, DC 33-160 models were tested to and certified under CSA 4.9 / ANSI Z21.13 and Water Heater CSA 4.3 / ANSI Z21.10.3.
  • Page 9 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 DISTANCE FROM RECOMMENDED DISTANCE WARNING SURFACE COMBUSTIBLE FOR INSTALLATION AND SURFACES SERVICE Exposed water piping and associated components Front 2" 24" (relief valves, circulators, etc.) Rear 0"...
  • Page 10 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 All venting must be installed in accordance with the requirements of the WARNING jurisdiction having authority: in Canada, Part 8, Venting Systems of the B149.1- 10 Code and any other local building codes are to be followed. In the USA Venting, condensate drainage, the National Fuel Gas Code, ANSI 223.1, latest edition, prevails.
  • Page 11 CGA - B149.1 Installation Code and/or local codes. 1.4.1 Applications All DC Series boilers / water heaters must be installed as a Direct Vent venting system. The combustion air must be piped in from the outdoors and connected directly to the boilers / water heaters combustion air connection. See section 1.4.7 for air intake piping requirements.
  • Page 12 CPVC or PPs (Rigid Single Wall) piping is the standard venting option; with this, the DC Series boilers / water heaters, for example, can be vented up to 120 equivalent feet from the vent termination using 3". The actual vent travel allowance is reduced for fittings in accordance with Table 3.
  • Page 13 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 Figure 4 Exhaust piping is inserted directly into the 3" female stainless steel fitting on the top, left side of the boiler / water heater and run horizontally or vertically to the outdoors.
  • Page 14 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 1.4.5 Rooftop Vent Termination CAUTION Vent termination clearances DIRECT VENT - TWO PIPE in this section are Rooftop vents must terminate as follows: code minimum, or IBC •...
  • Page 15 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 Figure 6: Vertical Concentric Termination - Two Kits Figure 7: Vertical Concentric Termination - Single Kit 1.4.6 Sidewall Vent Termination DIRECT VENT - TWO PIPE Sidewall direct vent applications shall be vented as follows: •...
  • Page 16 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 • Use a 45° elbow on the exhaust termination to launch the plume up and off WARNING the sidewall, for protection of wall. It is extremely important to •...
  • Page 17 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 Figure 9a: Horizontal Concentric Termination - Two Kits Figure 9b: Horizontal Concentric Termination - Single Kit Figure 10: Ipex #196984 2" PVC and #196985 3" PVC For side venting of multiple boiler / water heater sets, group all intake terminals together with 6"...
  • Page 18 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 Figure 13: Sidewall vent termination - multiple vent piping configuration CONCENTRIC SIDE WALL TERMINATION KITS: Must be installed on the same horizontal line (not stacked) Must be installed with a min separation of 12” center to center Use caution when installing Concentric Side Wall Termination Kits when the outdoor design temperature is below 5°F / -15°C.
  • Page 19 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 CANADIAN WARNING INSTALLATIONS INSTALLATIONS In addition to preventing A= Clearance above grade, 12 in (30 cm) 12 in (30 cm) ingestion of chemical veranda, porch, deck, or...
  • Page 20 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 INSIDE CORNER DETAIL FIXED CLOSED OPERABLE FIXED CLOSED OPERABLE V VENT TERMINAL X AIR SUPPLY INLET AREA WHERE TERMINAL IS NOT PERMITTED Figure 14A: Vent Terminal Clearance Figure 14B: Distance Inside / outside minimums 1.4.7 “Direct Vent”...
  • Page 21 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 Figure 15: Direct vent combustion air intake For 3" Flexible PPs, up to 35 actual lineal feet are allowed in a nominally vertical orientation (>45°). The equivalent length of 3" Flexible PPs shall be computed using a multiple of 1.4:1, e.g.

  • Page 22: Closet Installations

    Support should be provided for intake piping, particularly so for horizontal runs (follow local code). 1.4.8 “Indoor Air” Combustion Air Intake WARNING Using Indoor Combustion Air is not approved for use with the DC series boilers / Fill trap with water before water heaters. boiler / water heater is first fired to prevent exhaust fumes from entering room.

  • Page 23: Condensate Trap

    DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 Figure 18: Condensate trap installation 1.5.1 Condensate Trap NOTE A condensate trap must be installed on the drain connection at the base of the It is the responsibility of boiler / water heater as shown in Figure 18.
  • Page 24 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 1.5.3 Condensate Trap Assembly - cleaning procedure Turn off the power to the boiler / water heater and allow it to cool down. Remove the trap from the boiler / water heater (reverse the installation procedure above).
  • Page 25 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 Figure 20: Condensate trap drainage Figure 19: Condensate trap 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 26 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 WATER PIPING - SPACE HEATING 1.6.1 General Piping Considerations The DC series boilers / water heaters include a factory installed, integral Grundfos UP 15/58 heating pump. The pump is designed to provide adequate flow through the boiler / water heater and near boiler / water heater piping.
  • Page 27 A Relief Valve and Air Vent Piping Kit is also included with each of steam and/or hot water. DC series boiler / water heater to aid in the proper installation of the relief valve Therefore, to reduce the potential and air vent.
  • Page 28 For best results, use a Primary: Secondary piping system, with a boiler loop a hot water boiler connected using 1" (1-1/4" for the DC 33-160) piping for the DC Series Boilers / Water to heating coils located in Heaters. The boiler / water heater comes with the boiler (primary) pump installed...
  • Page 29 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 WARNING Water quality has a significant impact on the lifetime and performance of an IBC Boiler / Water Heater heat exchanger. Improperly prepared water in a heating circuit may cause damage to the heat exchanger through corrosion or fouling.
  • Page 30 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 1.6.2 Basic Heating Piping Arrangements PRIMARY / SECONDARY PIPING - BENEFITS AND INSTALLATION RULES Good circulating water flow through the boiler irrespective of load or radiation system head Allows flexible ΔT°...
  • Page 31 MULTIPLE BOILER PIPING - BENEFITS AND INSTALLATION RULES NOTE Multiple IBC DC Series boilers / water heaters can be installed in a single heating The piping drawings in this system to provide redundancy, increased output, and greater heating plant turn- manual are simple schematic down capabilities.
  • Page 32 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 Figure 26a: Closely-spaced tees on secondary piping concept drawing. Figure 27: Typical two temperature space heating piping concept with direct domestic hot water – concept drawing. This drawing is only a simple schematic guide.
  • Page 33 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 Figure 28: Typical two temperature space heating piping concept with indirect domestic hot water – concept drawing. This drawing is only a simple schematic guide. Figure 29a: Air handler and direct domestic hot water – parallel Figure 29b: Air handler and direct domestic hot water –...
  • Page 34 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 DOMESTIC HOT WATER SYSTEM DANGER BURN ° Water temperture over 125°F (52°C) can cause severe burns instantly or death from scalds. ° Children, disabled, and elderly are at highest risk of being scalded.
  • Page 35 Domestic Hot Water. When a faucet is opened to draw hot which can cause serious injury water, water flow is detected with a flow sensor and the DC Series boiler / water or death, can exist if the un-used domestic water connections are heater fires up to begin generating domestic hot water.
  • Page 36 If required by local code, a field-supplied Domestic Hot Water Thermostatic Mixing Valve can be installed on the outlet of the DC Series boiler / water heater to prevent excessively hot water from reaching a faucet if the boiler / water heater is used in a high temperature heating system.
  • Page 37 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 CAUTION The field supplied thermostatic mixing valve may be installed on the direct domestic hot water piping connections at the boiler / water heater or at the outlet of...
  • Page 38 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 GAS PIPING The boiler / water heater should normally have an inlet gas pressure of at least WARNING 7.0" w.c. for natural gas and 11" w.c. for propane gas. For either fuel, the inlet pressure shall be no greater than 14.0"...

  • Page 39: Electrical Connections

    DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 ELECTRICAL CONNECTIONS All Electrical wiring to the boiler / water heater (including grounding) must NOTE conform to local electrical codes and/or National Electrical Code, ANS/NFPA No.
  • Page 40 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 EXTERNAL PROBE TYPE LOW WATER CUT OFF DEVICE An external low water cut-off device is never required if the boiler / water heater is only being used as a direct domestic hot water unit.
  • Page 41 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 1.9.2 Power Quality and Electrical Protection In areas of unreliable power, appropriate surge protectors and or power conditioning equipment should be installed to protect the boiler / water heater.
  • Page 42 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 Figure 35: Electrical Wiring Connections (full page ladder diagram at back of this manual) 1-36 INSTALLATION AND OPERATION INSTRUCTIONS...
  • Page 43 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 Figure 36: Suggested Field Wiring for Space Heating 1-37 BOILER SYSTEMS AND OPERATION...
  • Page 44 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 Figure 37: Suggested Field Wiring for Space Heating and priority DHW (for indirect DHW tank applications only) 1-38 INSTALLATION AND OPERATION INSTRUCTIONS...
  • Page 45 The DC series boiler / water heater can generate domestic hot water in several ways. The DC series boiler / water heater can be used as a tankless water heater with or without a storage tank and also with an IBC indirect water heater.

  • Page 46: Installer Interface

    DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 CONTROL Power Indicator Power - ON / OFF Space Heating Space Heating / DHW Toggle Domestic Hot Water Minus Main Display Plus Fahrenheit and PSI Fahrenheit/Celsius...
  • Page 47 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 2.3.2 PSI and Fahrenheit / Bar and Celsius PSI and Fahrenheit are the default setting as shipped from the factory. To change to Bar and Celsius simply press the to toggle Fahrenheit and Celsius.
  • Page 48 2.5.1 Tankless Domestic Hot Water with a Storage Tank The DC series boiler / water heater has the ability to connect a domestic hot water storage tank to the boiler / water heater to provide larger volumes of domestic hot water during peak demands.

  • Page 49: Space Heating

    WARNING Heater The correct 10KΩ temperature The DC series boiler / water heater can be connected to an IBC indirect water sensor (or aquastat) must be heater. Connect the IBC indirect water heater’s boiler / water heater supply and used to operate the indirect boiler / water heater return connections to the boiler’s primary loop (see Figure...

  • Page 50: Sequence Of Operation

    DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 SEQUENCE OF OPERATION The boiler / water heater will operate in a similar way for both a space heating NOTE and a domestic hot water call for heat. When the boiler / water heater is powered...

  • Page 51: Startup And Commissioning

    DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 STARTUP AND COMMISSIONING 3.1 LIGHTING AND SHUTTING DOWN THE BOILER STARTUP AND COMMISSIONING...
  • Page 52 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 3.2 PRIOR TO START-UP 3.2.1 Pre-Ignition Checks DANGER Fill condensation trap. Ensure venting system is complete and seal tested. Fill trap with water before Confirm any common venting system at the installation site is isolated and...
  • Page 53 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 The gas valve will automatically de-rate the maximum input in accordance with WARNING the density altitude, by approximately 2% per 1,000' above sea level. The gas valve’s zero governor will ensure that the gas:air mixture is not be affected at...

  • Page 54: Fuel Conversion

    DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 FUEL CONVERSION The DC Series modulating boiler / water heater is factory fire-tested to operate DANGER with natural gas. The rating plate will be marked to indicate which fuel the particular boiler / water heater has been set up with.
  • Page 55 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 Figure 36A: Blower (Torin) and Gas Valve Assembly Figure 36B: Blower (EBM) and Gas Valve Assembly (all models except HC/DC 15-95) (HC/DC 15-95 only) Back Flow Insert.
  • Page 56 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 Disconnect the flue pipe from the condensate tray by rotating the nut NOTE counter-clockwise about 1/4 turn. Slide the flue pipe up and dis-engage the bottom of the flue pipe from the condensate tray and slide down to remove.

  • Page 57: General Care

    DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 MAINTENANCE BOILER / WATER HEATER MAINTENANCE CAUTION The owner is responsible 4.1.1 General Care for general care of the boiler / water heater. Improper • Keep combustible materials and flammable liquids and vapours away from the boiler maintenance of the boiler / / water heater.

  • Page 58: Heat Exchanger

    DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 4.1.6 Heat Exchanger CAUTION The heat exchanger has a During annual inspection (with the heat exchanger cover removed), examine the small amount of combustion heat exchanger for signs of contamination and clean if necessary. In areas of...
  • Page 59 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 4.1.12 Boiler / Water Heater Treatment WARNING • Check consistency of any boiler / water heater treatment used, for appropriate Do not use automotive- mixture. Chemical inhibitors are consumed over time, lowering their density.
  • Page 60 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 4.1.15 Fan and gas valve removal instructions DANGER Turn off the power and the gas supply to the boiler / water heater. When servicing or replacing Remove the front cover and allow the boiler / water heater to cool down.

  • Page 61: Troubleshooting

    DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 5.0 TROUBLESHOOTING The troubleshooting section is divided into 4 sections: NOTE 5.1 Preliminary Checks This boiler / water heater 5.2 Electronic Components is equipped with a blocked 5.3 Warnings and Faults...

  • Page 62: Electronic Components

    DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 ELECTRONIC COMPONENTS This section details the method for troubleshooting the non-standard electronic components on the boiler / water heater including the electronic water pressure sensor – type LWCO and the temperature sensors.
  • Page 63 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 5.2.2 Fan/Blower Operating power is provided by means of a separate 120 VAC connector at the upper right side of the fan (white/black/green). Control of the fan is provided via a four lead connector at the bottom of the fan.
  • Page 64 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 Connect the electrical connector to the sensor. Reinstall the vent stack. Restore water pressure to the boiler / water heater. Restore power to the boiler / water heater.
  • Page 65 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 5.2.9 DHW Tank Sensor The DC and HC Series boilers / water heaters allow the use of a tank sensor for controlling the domestic hot water tank temperature. IBC Indirect water tanks come with a 10KΩ...
  • Page 66 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 5.3 WARNINGS AND FAULTS 5.3.1 Warning Codes During operation the controller can detect unusual situations and can take action to avoid damage to the heat exchanger or other unsafe operations. During these situations the controller will limit the temperature and power output of the burner, or temporarily disable operation entirely.

  • Page 67: Fault Codes

    DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 5.3.2 Fault codes If the fault LED is flashing, the controller has detected a fault. A fault code will be displayed on the main display. Once the fault has been corrected the burner controller can be restarted.

  • Page 68: Burner Does Not Ignite

    DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 5.4 OTHER FAULTS 5.4.1 Burner Does Not Ignite POSSIBLE CAUSES SOLUTION Gas valve is closed. Open gas valve. Air in gas line. Remove air form gas line.
  • Page 69 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 5.4.5 No Space Heating POSSIBLE CAUSES SOLUTION Room thermostat (end switches or zone • Room thermostat must be a DRY CONTACT style thermostat controller) / Outdoor sensor faulty.
  • Page 70 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 5.4.8 Hot Water Does Not Reach Temperature POSSIBLE CAUSES SOLUTION DHW flow too high. Adjust the inlet assembly, insert a flow restrictor. Temperature setting for water circuit too low.
  • Page 71 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 6.0 DIAGRAMS 6.1 - PARTS DIAGRAMS 6.2 - WIRING DIAGRAMS DIAGRAMS...

  • Page 72: Parts Diagrams

    DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 6.1 PARTS DIAGRAMS DC 15-95 Modulating Boiler / Water Heater – Parts Assembly Diagram 6.1-1: Boiler / water heater assembly parts INSTALLATION AND OPERATION INSTRUCTIONS...
  • Page 73 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 ITEM NO. PART NO. DESCRIPTION 240-067 IGNITOR 250-622 GASKET, IGNITOR 250-623 VIEWPORT HOLDER 250-624 GASKET, VIEWPORT HOLDER 250-625 GASKET, VIEWPORT GLASS 250-626 VIEWPORT GLASS 170-017 HEAT EXCHANGER DC 95 250-688 GASKET, H.Ex.
  • Page 74 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 DC 15-96, 20-125, and 33-160 Modulating Boilers / Water Heaters – Parts Assembly Diagram 6.2-1: Boiler / water heater assembly parts INSTALLATION AND OPERATION INSTRUCTIONS...
  • Page 75 DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 ITEM NO. PART NO. DESCRIPTION 240-067 IGNITOR 250-622 GASKET, IGNITOR 250-623 VIEWPORT HOLDER 250-624 GASKET, VIEWPORT HOLDER 250-625 GASKET, VIEWPORT GLASS 250-626 VIEWPORT GLASS 170-018 HEAT EXCHANGER DC 96, 125...

  • Page 76: Wiring Diagrams

    DC SERIES BOILERS / WATER HEATERS DC 15-95, DC 15-96, DC 20-125, DC 33-160 6.2 WIRING DIAGRAMS Diagram 6.2-1: Pictorial wiring diagram INSTALLATION AND OPERATION INSTRUCTIONS...
  • Page 77 INSTALLATION & COMMISSIONING REPORT Boiler / Water Heater 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.
  • Page 78 NOTES...

  • Page 79: Service Record

    SERVICE RECORD DATE LICENSED CONTRACTOR DESCRIPTION OF WORK DONE...
  • Page 80 • This boiler / water heater is part of a modular or multiple boiler / water heater system having a total input 300,000 BTU/hr or greater. • This boiler / water heater is equipped with a tankless coil. US installers should contact IBC for any further information required.
  • Page 81 REVISION HISTORY R1 (JULY 2014) Initial release R2 (SEPTEMBER 2014) Minor updates R3 (MARCH 2015) Minor Updates, Change DHW Tank Sensor to 10KΩ R4 (AUGUST 2015) Address Update R5 (OCTOBER 2015) Addition of new model – DC 20-125 R6 (FEBRUARY 2016) Updated Parameters R7 (JULY 2016) New Propane Back Flow Flapper, Revision to Exhaust Vent Material - USA...
  • Page 82 IBC Technologies Inc. 8015 North Fraser Way Burnaby, BC Canada V5J 5M8 Toll Free: 1.844.432.8422 Tel: 604.877.0277 Fax: 604.877.0295 www.ibcboiler.com 120-183-A-R10 88396710 May 2018 © IBC Technologies Inc. 2018...

This manual is also suitable for:

Dc 15-96Dc 33-160Dc 20-125Dc 15-95

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