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INSTALLATION INSTRUCTIONS AND HOMEOWNER'S MANUAL:
Outdoor temperature below -8°F (-22°C) could cause blockage of the exhaust. Refer to section 7.2 for more
details.
INSTALLER / SERVICE TECHNICIAN:
Use the information in this manual for the installation/servicing of the furnace and keep the document near the unit for future
reference.
Caution:
Do not tamper with the unit or its controls. Call a qualified service technician.
HOMEOWNER: Please keep this manual near the furnace for future reference.
Manufactured by: Dettson Industries Inc. Sherbrooke, Qc, Canada www.dettson.com
Gas furnace manufactured on or after May 1, 2017 are not permitted to be used in Canada for heating of buildings or structures under construction
Printed in Canada on
100% recycled paper
MODULATING GAS FIRED FURNACE
CAUTION
2023-05
MODULATING GAS FURNACE
MULTIPOSITION
Models:
C15-M-V & C15-M-S
C30-M-V & C30-M-S
C45-M-V & C45-M-S
C60-M-V
C75-M-V
C105-M-V
C120-M-V
X40225 rev.X

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Sommaire des Matières pour Dettson Chinook C15-M-V

  • Page 1 HOMEOWNER: Please keep this manual near the furnace for future reference. Manufactured by: Dettson Industries Inc. Sherbrooke, Qc, Canada www.dettson.com Gas furnace manufactured on or after May 1, 2017 are not permitted to be used in Canada for heating of buildings or structures under construction...
  • Page 2 Table of content 5.1 GENERAL ..... . . 14 1 SAFETY 5.2 PROPANE CONVERSION ... 14 1.1 SAFETY LABELING AND WARNING 5.3 GAS PIPE GROMMET .
  • Page 3 9.3 STEPPER GAS VALVE CONTROL ..30 Figure 19: side panel combustion air ..22 Figure 20: Roof concentric termination ..23 9.4 CONNECTOR 15-PINS ... . . 30 Figure 21: Sidewall concentric termination .
  • Page 4 1. It is the homeowner’s responsibility to engage a qualified technician for the installation and subsequent servicing of this furnace; 1 SAFETY 2. Do not use this furnace if any part of it was under water. Call a qualified service technician 1.1 SAFETY LABELING AND immediately to assess the damage and to replace all critical parts that were in contact with water;...
  • Page 5 1.3 SAFETY CONSIDERATION are not permitted to be used in Canada for heating of buildings or structures under construction. Untrained personnel can perform basic maintenance 9. A gas-fired furnace for installation in a residential functions such as cleaning and replacing air filters. All garage must be installed as specified in the other operations must be performed by trained service WARNING box below:...
  • Page 6 DETECTION SYSTEMS WARNING It is recommended that carbon monoxide detectors be installed wherever oil or gas fired heaters are used. CARBON MONOXIDE POISONING HAZARD Carbon monoxide can cause bodily harm or death. Failure to follow the steps outlined below for For this reason, agency approved carbon monoxide each appliance connected to the venting system detectors should be installed in your residence and...
  • Page 7 Table 1 – Codes and Standards TOPIC CANADA 2 INTRODUCTION Safety National Fuel Gas Code National Standard (NFGC) NFPA Canada, Natural Gas and 2009/ANSI Z223.1 Propane Installation Code the Installation Standards, (NSCNGPIC) CAN/CSA This multiposition Category IV condensing furnace is Warm Heating B149.1...
  • Page 8 2.2 ELECTROSTATIC DISCHARGE airflow through the coil. The cooling coil base can be purchased through your local distributor. See table 24 for the appropriate item number. CAUTION Table 2 – Minimum clearance FURNACE RELIABILITY HAZARD Failure to follow this caution may result in unit Position Clearance in (mm) component damage.
  • Page 9 Figure 2 – Left side connection 3.1.1 Right side condensate drain trap connection Figure 1 – Right side connection 1. Remove the oblong knock-out from the left side of the casing. See figure 1 and read the following instructions: 2. Place the drain trap gasket on the drain trap. 1.
  • Page 10 9. On the remaining 3 outlet stub, connect caps 3. Place the drain trap gasket on the drain trap. (1x5/8” and 2x1/2”). These caps are provided in 4. Install the drain trap. the parts bag. 5. Screw the drain trap in place with two head tapping 3.2 DOWNFLOW screws on the side of the furnace.
  • Page 11 Figure 5 – Connecting pressure switch in downflow When installing the furnace in horizontal right position, position make sure the furnace is tilted foward to make it drain properly. Refer to figure 7. Plan your installation and make sure you have sufficient space for the drain trap and exhaust pipe drainage.
  • Page 12 3.3.2 Horizontal right multiposition 3.4 HORIZONTAL LEFT pressure switch connection Figure 10 – Horizontal left position Figure 8 – Horizontal right pressure switch connection 3.4.1 Horizontal left condensate drain trap Figure 9 – Horizontal right pressure switch tubing connection REFER TO FIGURE 10 FOR INSTALLATION DETAILS. 1.
  • Page 13 3.4.3 Horizontal left multiposition tubing at the appropriate length to reach the drain trap. pressure switch connection Figure 12 – Horizontal left pressure switch connection 9. Connect the outlet from the drain trap to the condensate drain piping using a ½” PVC tee. If a condensate pump is used, make sure it is approved for acidic condensate.
  • Page 14 Secure ductwork with proper fasteners for type of Dettson Industries also offers the Smart Duct System. ductwork used. Seal supply and return duct connections Please refer to the Smart Duct Manual (X40240) for to the furnace with code approved tape or duct sealer.
  • Page 15 SUPPLY AIR DUCTS Install a union between the manual shut off gas and the gas valve in order to remove it easily. The supply air duct must be connected to the furnace Install a union between the manual shut off gas and the supply outlet air duct flanges.
  • Page 16 SETTING GAS PRESSURE 5. Turn clockwise increase pressure counterclockwise to decrease pressure. Gas valve is very sensible to outlet pressure adjustment. 6. Shut off gas to the unit and place the regulator cap Thus, it should be done slowly and only allows for slight and the manifold pressure tap.
  • Page 17 as describe in table 7 below. See table 8 for configuration details. 6 ELECTRICAL CONNECTION Figure 13 – Wiring Diagram Modulating t-stat 120V WIRING Furnace must have a 120 V power supply properly connected and grounded. Proper polarity must be maintained for 120 V wiring.
  • Page 18 V/W2 – This terminal is used to connect the modulating signal (V) from a non-communicating, fully modulating Dettson doesn’t recommend to operate the furnace on a thermostat specified for use with this furnace. It is used generator or other alternate power supply. If so it must to transmit the firing rate (determined by the thermostat)
  • Page 19 Figure 15 – Wiring Diagram...
  • Page 20 7.1 GENERAL less, this section should be thoroughly considered before final installation of the furnace. Dettson is proud to offer If this furnace replaces a furnace that was connected to one of the most efficient furnaces (+97% AFUE) on the...
  • Page 21 Figure 16 – Suggested heating cable insertion in vent All fire stop and roof flashing used with this system must termination be UL listed material. Acceptability under Canadian standard CAN/CSA B149 requires full compliance with all installation instructions. authority having jurisdiction (gas inspection...
  • Page 22 Table 14 – Deduction for fittings The maximum allowable vent length for the vent and combustion air pipe (when used) is listed in table 13 and depends on the furnace input. The maximum length Type of elbow Equivalent Length (ft) must include straight pipe and any fitting and termination.
  • Page 23 Figure 17 – Combustion air moisture trap and fitting socket (over primer). Apply cement in a light, uniform coat on the inside of socket to prevent build-up of excess cement. Apply second coat. 11. While cement is still wet, twist pipe into the socket with 1/4”...
  • Page 24 Figure 21 – Sidewall concentric termination A vent for this appliance shall not terminate: -over public walkways; -near soffit vents or crawl space vents or other areas where condensate or vapor could create a nuisance or hazard; -near regulators, relief valves, or other equipment where condensate or vapor could be detrimental to their operation;...
  • Page 25 Figure 23 – Straight termination with a Tee Figure 25 – Snorkel termination Figure 26 – Sorkel termination with a Tee Figure 24 – Straight termination...
  • Page 26 Figure 27 – Venting gasket...
  • Page 27 Figure 28 – Direct vent clearance...
  • Page 28 Figure 29 – Other than Direct vent clearance...
  • Page 29 4. Turn the gas control knob on the «on» position. 5. Replace de burner compartement control access 8 START UP, ADJUSTEMENT door. AND SAFETY CHECK WARNING TO START FURNACE Failure to replace the burner door can cause products of combustion to be released into •...
  • Page 30 8.7 SETTING INPUT RATE the control will show error codes. Refer to table 20 for diagnostic. Checking furnace input is important to prevent over firing beyond its design-rated input. Prior to checking the SEQUENCE OF OPERATION furnace input, make certain that all other gas appliances are shut off, with the exception of pilot burners.
  • Page 31 performance and possibly causing problems. It is not recommended to leave this switch in the “ON” position 9 CONTROLS without a humidistat installed See both wiring methods in figure 31 and figure 30. WARNING 9.3 STEPPER GAS VALVE CONTROL Do not apply 24Vac to V/W2 at the furnace control (this is sometimes done during setup, The furnaces is equipped with a stepper modulating gas troubleshooting...
  • Page 32 9.9.1 Heat adjust indicate an attempt at communications. If the L.E.D. does not blink, communications cannot be established. DIP switch bank S1 is used to fine-tune the airflow in the heating mode. The switches of bank S1 can be 9.7 MEMORY CARD set to adjust either the minimum heat rate airflow or the maximum heat rate airflow or both.
  • Page 33 Refer to table 17. 2. Position Test Switches for the desired test mode. Table 17 – Heat Rise 3. Switch the 120 volt power to the furnace ON. S4-1 DESCRIPTION 4. Set the thermostat mode to HEAT; adjust the set 55°F HEAT RISE 60-65°F...
  • Page 34 Figure 31 – Dehum connection without humidistat...
  • Page 35 • Return air duct connection(s) is physically sound, sealed to the furnace casing, and 10 USER’S INFORMATION terminates outside the space containing the furnace. MANUAL • Physical support of the furnace is sound without sagging, cracks, gaps, etc. around the Do not store or use gasoline or other flammable vapors base as to provide a seal between the support and liquids in the vicinity of this or any other appliance.
  • Page 36 6. Wait 5 minutes to clear out any gas, then smell 8. Replace the burner compartment access panel. for gas (including at the bottom of the unit near 9. Turn on all electric power to the furnace. the ground). If you smell gas, stop and follow the directions in section 10.
  • Page 37 Table 20 – Fault Code CODE DESCRIPTION SOLUTION Stand-by No fault Gas Heating mode.The furnace is in heating mode. The digit displayed after in the input of the furnace. H"0" For example, H0 means the furnace is heating at 100%. H5 means the furnace is heating at approximately 50%.
  • Page 38 CODE DESCRIPTION SOLUTION (1) Replace high pressure control (switch). Remove bypass and restore correct operation. The high pressure control (or switch) should not be Determine reason for bypass (e.g. vent length too closed when the inducer is not running. If it is, this is a long) and correct issue.
  • Page 39 11 UNIT COMMISSIONING AND STARTUP CHECKLIST Furnace model: ........... . Serial number: .
  • Page 40 Table 21 – Legacy Cooling airflow S3-1:OFF S3-1:ON S3-1:OFF S3-1:ON S3-2:OFF S3-2:OFF S3-2:ON S3-2:ON MODEL C15-M-V 1200 1000 C30-M-V 1200 1000 C45-M-V 1200 1000 C60-M-V 1600 1250 1400 1100 1200 C75-M-V 1600 1200 1200 1000 C105-M-V 2000 1500 1600 1200 1400 1000 1200...
  • Page 41 Table 23 – Specifications for -MS 1- Maximum CFM in Regular ductwork 2- Maximum CFM using SmartDuct System...
  • Page 42 Figure 32 – Dimensional Drawing...
  • Page 43 12 PART LIST Figure 33 – Exploded view 1...
  • Page 44 Figure 34 – Exploded view 2...
  • Page 45 B40578-09 Top panel ass. B40512-01 B40512-01 B40512-01 B40512-02 B40512-02 B40512-03 B40512-03 Door switch L07H001 L07H001 L07H001 L07H001 L07H001 L07H001 L07H001 Dettson observation port B40565 B40565 B40565 B40565 B40565 B40565 B40565 Observation port L04Z022 L04Z022 L04Z022 L04Z022 L04Z022 L04Z022 L04Z022 Grommet...
  • Page 46 ID blower ass. B40578-06 B40578-06 B40578-06 B40578-09 Top panel ass. B40512-01 B40512-01 B40512-01 B40512-02 Door switch L07H001 L07H001 L07H001 L07H001 Dettson observation port B40565 B40565 B40565 B40565 Observation port L04Z022 L04Z022 L04Z022 L04Z022 Grommet G14F017 G14F017 G14F017 G14F017 Pressure switch (multi po.)