Thermo Pride Thermo Pace Downflow/Horizontal Furnace Installer'S Information Manual Download | Manualshive

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Installer’s Information Manual

Page 9

Left Vent

Top Vent

Right Vent

Downflow Position

Top Vent

Right Vent

Horizontal Air-Left Position

Top Vent

Left Vent

Horizontal Air-Right Position

Figure 9. Venting Options. Dashed lines show optional combustion a ir pipes for direct venting.

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Summary of Contents for Thermo Pace Downflow/Horizontal Furnace

Page 1: ...tion may arise For more information solutions to particular problems or clarification contact your local distributor or the manufacturer ATTENTION USER Your furnace installer should give you the docum...

Page 2: ...o situations that could cause or result in minor or moderate injury or property damage For a safe and reliable installation be sure to read and follow all warnings and cautions We also use the words m...

Page 3: ...e Figure 1 Figure 1 Furnace Installation Positions CAUTION Do not install furnace in an area subject to freezing temperatures Doing so could cause condensate to freeze This furnace operates best when...

Page 4: ...rnace room When a cooling unit is installed with this furnace the furnace must be installed parallel with or on the upstream side of the cooling unit to avoid condensation in furnace heat exchanger Wi...

Page 5: ...5 15 16 15 3 4 0 1 0 1 18 0 2 OR 3 72 000 3 4 20 1 2 18 15 16 18 3 4 0 1 0 1 18 0 2 OR 3 90 000 1 2 17 1 2 15 15 16 15 3 4 0 1 0 1 18 0 2 OR 3 90 000 3 4 20 1 2 18 15 16 18 3 4 0 1 0 1 18 0 2 OR 3 108...

Page 6: ...right and maintain clearances as described previously Figure 7 Suspending Using Threaded Rod SECTION 4 PROVIDING VENTING AND COMBUSTION AIR This furnace must be connected to a plastic venting system...

Page 7: ...thin 10 feet of an adjacent building Do not locate termination underneath a veranda porch or deck IN THE UNITED STATES Allow a minimum clearance of 4 feet from electric meters gas meters regulators an...

Page 8: ...ON DIRECT VENTING instructions A non direct vented furnace takes all air for combustion from the room in which furnace is installed Non direct venting requires only one pipe for venting the flue gases...

Page 9: ...Left Vent Top Vent Right Vent Downflow Position Top Vent Right Vent Horizontal Air Left Position Top Vent Left Vent Horizontal Air Right Position Figure 9 Venting Options Dashed lines show optional co...

Page 10: ...reducer bushing in flue outlet See Table 1 or Table 2 for correct vent diameter for your application 11 Complete installation of venting system with field supplied parts 12 Support vent pipe at furna...

Page 11: ...pending on altitude elevation of the installation gas input rating of furnace diameter of the air and vent pipes number of elbows Note that some of the larger furnace models may require a high altitud...

Page 12: ...5 20 15 108 000 3 40 40 40 40 40 40 40 40 See Note 2 below 126 000 3 40 40 40 40 35 30 25 20 54 000 2 40 40 40 40 40 40 40 40 72 000 2 21 18 14 11 72 000 3 40 40 40 40 40 40 40 40 5001 6000 90 000 3 4...

Page 13: ...burner enclosure Seal air pipe to collar with RTV silicone caulk See Figure 14 Note When venting with 3 inch pipe a 3 X 2 reducer must be used Locate reducer as close as possible to combustion air in...

Page 14: ...60 55 50 108 000 3 85 80 75 70 65 60 55 50 See Note 2 126 000 3 55 50 45 40 35 30 25 20 54 000 2 43 40 37 33 30 27 24 20 72 000 2 21 18 14 11 72 000 3 150 150 150 150 150 150 150 150 5001 6000 90 000...

Page 15: ...54 or Sections 7 2 7 3 or 7 4 of CAN CGA B149 Installation Codes or applicable provisions of local building codes WARNING Furnaces and any other fuel burning appliances must have enough fresh air for...

Page 16: ...of the spaces meet the criteria above for an unconfined space not of unusually tight construction The total input of all gas appliances within the combined space must be considered in making this dete...

Page 17: ...7 76 000 90 000 45 8 100 000 108 000 54 9 127 000 126 000 63 9 127 000 144 000 72 10 157 000 Example Furnace is 90 000 Btu per hour input and is to be installed in a confined space that contains no o...

Page 18: ...TAL AIR LEFT POSITION 1 See Figure 22 for drain trap location for your installation In horizontal positions condensate drain trap must be mounted through bottom side of furnace 2 From parts package fi...

Page 19: ...n furnace gas supply piping so it will not interfere with removal of burner assembly front door or blower door for servicing Make sure gas piping is large enough for all appliances connected to it to...

Page 20: ...rounding by attaching grounding source to green wire in furnace junction box Follow local codes or in the absence of local codes the current National Electrical Code ANSI NFPA 70 or Canadian Electrica...

Page 21: ...G terminals connected Fan Timer energizes main blower on heating speed A call for cooling while in constant fan mode causes main blower to change from heating to cooling speed Sixty seconds after the...

Page 22: ...Page 22 Installer s Information Manual Figure 26 Furnace Wiring Diagram...

Page 23: ...it passes through End ductwork outside furnace space See Figure 27 for floor cutout dimensions for combustible floor base Figure 27 Floor Cutout Dimensions Note A combustible floor base available from...

Page 24: ...cooling system operation FILTER MOUNTING Use a downflow filter kit field fabricated filter cabinet or a return air filter grille Field fabricated filter cabinets should allow spacing between filter a...

Page 25: ...as explained above NOTE Pilot flame adjustment was checked at the factory and should not require adjustment However pilot adjustment is possible if necessary 1 Remove three screws holding burner acces...

Page 26: ...heck obtain gas heating value at your location from local supplier You will need a stopwatch to measure actual gas input 1 Gas supply pressure must be between 5 and 7 inches W C for natural gas See Se...

Page 27: ...ve 2 000 feet the furnace must be derated 4 for each 1 000 foot above sea level It is the installer s responsibility to see that the furnace input rate is adjusted properly Derating must be achieved b...

Page 28: ...urner carry overs Replace screws 9 Replace burner access panel using three screws removed in step 3 10 Open equipment shut off valve in gas supply line just ahead of furnace 11 Set room thermostat to...

Page 29: ...e poor cooling performance or air conditioning coil freeze up High duct system static pressure is an indication of an overly restrictive duct system Static pressure in excess of 0 5 inches W C indicat...

Page 30: ...instructions in Section 14 Checking Gas Input Rate If air temperature rise is still below temperature rise range specified less heating airflow is needed Change blower heating speed to a lower setting...

Page 31: ...ee Return air duct must be physically sound sealed to furnace casing and ending outside the space containing furnace Supply air ducts and return air ducts must be clear and free and without air leaks...

Page 32: ...ATURAL GAS CONVERSION KIT ABOVE 6000 FEET Includes natural gas regulator spring kit natural gas pilot orifice main burner orifices and high altitude pressure switch COMBUSTIBLE FLOOR BASE Required for...

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