Thermo Pride CHB1-50N Installation And Operation Manual
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Thermo Pride CHB1-50N Installation And Operation Manual

Condensing gas furnace
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CONDENSING GAS FURNACE
INSTALLATION AND OPERATION MANUAL
: IF YOU DO NOT FOLLOW THE SAFETY PRECAUTIONS BELOW AND IN THIS MANUAL, 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 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.
•
LEAVE THE BUILDING IMMEDIATELY.
•
IMMEDIATELY CALL YOUR GAS SUPPLIER FROM A NEIGHBOR'S 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. (REFERRED TO IN THESE INSTRUCTIONS AS A QUALIFIED HEATING
CONTRACTOR).
PLEASE READ THESE INSTRUCTIONS PRIOR TO INSTALLATION, INITIAL FIRING, AND BEFORE
PERFORMING ANY SERVICE OR MAINTENANCE. THESE INSTRUCTIONS MUST BE LEFT WITH THE
HOMEOWNER AND SHOULD BE RETAINED FOR FUTURE REFERENCE BY QUALIFIED SERVICE
PERSONNEL.
MG-1006
ECN4488-MA
MODELS:
CHB1-50N
CHB1-75N
CHB1-100N
CHB1-125N
THERMO PRODUCTS, LLC.
BOX 217
NORTH JUDSON, IN 46366
PHONE: (574) 896-2133
CDB1-50N
CDB1-75N
CDB1-100N
CDB1-125N
MADE IN USA

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Summary of Contents for Thermo Pride CHB1-50N

  • Page 1 CONDENSING GAS FURNACE INSTALLATION AND OPERATION MANUAL MODELS: CHB1-50N CDB1-50N CHB1-75N CDB1-75N CHB1-100N CDB1-100N CHB1-125N CDB1-125N : IF YOU DO NOT FOLLOW THE SAFETY PRECAUTIONS BELOW AND IN THIS MANUAL, A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY, OR LOSS OF LIFE.

  • Page 2: Safety Information

    I. SAFETY INFORMATION This and the following page contain reproductions of the various warning and instruction labels placed on the Thermo Pride Condensing Gas Furnaces. Please read and comply with the contents of these labels.
  • Page 3 All installations and services must be performed by qualified service personnel. This and the previous page contain reproductions of the various warning and instruction labels placed on the Thermo Pride Condensing Gas Furnaces. Please read and comply with the contents of these labels.
  • Page 4 2. Connect this furnace to an approved vent system only. Combustion products must be carried outdoors. Refer to Section III, D thru H, of this manual. The following pages contain various warnings and cautions found throughout the Thermo Pride Highboy and Dual Poise Condensing Gas Furnace Manual. Please read and comply with the statements below.
  • Page 5 All installations and services must be performed by qualified service personnel. : The CHB1/CDB1 furnace models are sealed combustion design, which does not require an air shutter adjustment (air shutters are not used) for proper flame characteristics. Burner box access cover must always be secured with all screws in place and tightened before operating furnace.

  • Page 6: Table Of Contents

    All installations and services must be performed by qualified service personnel. INDEX SECTION BEGINNING PAGE SAFETY INFORMATION FURNACE SPECIFICATIONS III. GENERAL INSTALLATION A. CODES AND CLEARANCES B. FURNACE LOCATION B1.CDB1 HORIZONTAL APPLICATION C. REPLACING EXISTING FURNACE FROM A COMMON VENT D.

  • Page 7: Furnace Specifications

    All installations and services must be performed by qualified service personnel. II. FURNACE SPECIFICATIONS CHB1 SERIES MODEL NO. CHB1-50 CHB1-75 CHB1-100 CHB1-125 BTU/HR INPUT 50,000 75,000 100,000 125,000 BTU/HR OUTPUT 46,650 68,550 92,500 115,375 HT. OF CASING 44-1/4” 44-1/4” 44-1/4” 44-1/4”...
  • Page 8 All installations and services must be performed by qualified service personnel. CDB1 SERIES MODEL NO. CDB1-50 CDB1-75 CDB1-100 CDB1-125 BTU/HR INPUT 50,000 75,000 100,000 125,000 BTU/HR OUTPUT 45,700 67,725 90,700 113,250 46-1/4” 46-1/4” 46-1/4” 46-1/4” HT. OF CASING WIDTH OF CASING 17”...
  • Page 9 All installations and services must be performed by qualified service personnel. INSTALLATION PARTS PACKAGES - CHB1-50/75 PARTS PACKAGE DESCRIPTION PART # QUANTITY #S00S4405/4406 2-3/8” ID radiator hose 410017 Thermostat lead bushing 350750 PVC trap assembly 320816 #8 x ¾ coated TEK screws for 300283 mounting trap &...
  • Page 10 All installations and services must be performed by qualified service personnel. Installation notice MG-987 PVC tee assembly, 2 x 3” dia. 320817 Orifice, Propane 380039 Conversion Kit, Propane 380605 INSTALLATION PARTS PACKAGES - CDB1-50/75 PARTS PACKAGE DESCRIPTION PART # QUANTITY #S00S4409/4410 2-3/8”...

  • Page 11: General Installation

    All installations and services must be performed by qualified service personnel. #10-32 x ½ green ground screw 300109 #10-32 hex nut 300110 3/16” dia. star washer 300270 Grounding instructions MG-966 Wire nut 300132 3” stainless steel hose clamp 300276 J-box wire bushing 350016 Drain hose grommet 350446...

  • Page 12: Furnace Location

    All installations and services must be performed by qualified service personnel. CHB1-75 0 IN. 6 IN. 0 IN. 0 IN. 1 IN. CHB1-100 0 IN. 6 IN. 0 IN. 0 IN. 1 IN. CHB1-125 0 IN. 6 IN. 0 IN. 0 IN.
  • Page 13 All installations and services must be performed by qualified service personnel. For left or right horizontal applications of the CDB1 series units, the rollout switch located on the burner box must be moved to the pre-punched mounting holes on the side of the burner box. Screws are provided in pre-punched holes at the required limit location.

  • Page 14: Replacing Existing Furnace From A Common Vent

    All installations and services must be performed by qualified service personnel. Figure 1 The horizontal furnace installation should be on a service platform large enough to allow for proper clearances on all sides and service access to the front of the furnace (See Table 1). If the furnace is suspended, it must be supported at both ends and in the middle with clearance allowed for removal of both access doors.

  • Page 15: General Requirements For Venting Chb1/Cdb1

    All installations and services must be performed by qualified service personnel. D. General Requirements For Venting Models CHB1 / CDB1 The CHB1 / CDB1 furnace venting system must be installed by a qualified service person in accordance with local installation codes and these instructions. In the absence of applicable local codes, conform to the National Fuel Gas Code, NFPA 54 /ANSI Z223.1-1999, or latest edition thereof.
  • Page 16 All installations and services must be performed by qualified service personnel. 8. The maximum quantity of schedule 40, type DWV thermoplastic pipe elbows allowed in each system is listed in Table 2. When counting pipe elbows, all elbows used in the exhaust vent or combustion air intake systems must be considered.

  • Page 17: Sidewall Venting

    All installations and services must be performed by qualified service personnel. 12. No clearance is required from the outer surface of the thermoplastic piping to combustible materials for fire hazard prevention. 13. Thermo Products does not require screens be installed in the exhaust vent and air intake piping. However, optional stainless steel screens are available from Thermo Products, should the homeowner request them.
  • Page 18 All installations and services must be performed by qualified service personnel. d. The vent and intake systems should utilize the same numbers of elbows and approximately the same length of straight pipe to reach the outside termination. Figure 3: Typical Relative Locations of Direct Vent Terminations When Sidewall Venting 3.

  • Page 19: E1. Single Pipe (Sidewall) Venting Option

    All installations and services must be performed by qualified service personnel. Figure 4: Minimum Clearances Between the Vent Terminal and Various Objects or Features 4. Vent Terminal Location Guidelines : Bushes, shrubs, or any vegetation that may restrict the flow of flue products must be kept away from vent and air intake terminations.

  • Page 20: Installation Of Outside Vent/Air Intake Terms

    All installations and services must be performed by qualified service personnel. When indoor air is used for combustion, measures should be taken to prevent drawing in corrosive chemicals vapors or gases with the combustion air supply. Such chemicals include, but are not limited to, chlorinated and/or fluorinated hydrocarbons such as found in refrigerants, aerosol propellants, dry cleaning fluids, degreasers and removers.
  • Page 21 All installations and services must be performed by qualified service personnel. 3. Finish the vent installation by caulking the annulus to seal around the two (2) holes where the thermoplastic pipes pass through the wall. 4. To prevent foreign material, insects, or small animals from entering the pipes, an optional vent or intake terminal (stainless steel) screen is available from Thermo Products under part no.

  • Page 22: Connecting Furnace To Vent/Air Intake Terms

    All installations and services must be performed by qualified service personnel. G. Exhaust / Intake Piping And Condensate Drain Connections At Furnace 1. Figures 6, 7, and 8 follow depicting typical exhaust vent and air intake connections for the furnace model series CHB1 and the CDB1, respectively, as well as a list of required parts to correctly install each system.
  • Page 23 All installations and services must be performed by qualified service personnel. Figure 7: Required Exhaust Vent and Air Intake Piping for CDB1 Furnace in Downflow Applications...
  • Page 24 All installations and services must be performed by qualified service personnel. Figure 8: Required Exhaust Vent and Air Intake Piping for CDB1 Furnace in Horizontal Applications. 2. Connecting The Exhaust Vent To The Inducer a. Slip the end of the 2-inch diameter PVC elbow (for the model CDX1 in horizontal applications, the 2-inch diameter PVC tee assembly) over the outlet of the inducer blower assembly.
  • Page 25 All installations and services must be performed by qualified service personnel. NOTICE: For models CDB1-100 and CDB1-125 used in horizontal applications, immediately transition from 2-inch to 3-inch diameter pipe by installing the 3-inch x 2-inch diameter PVC reducer just outside the furnace casing. The remainder of the venting system leading away from the furnace must be composed of 3-inch diameter PVC pipe and pipefittings only.
  • Page 26 All installations and services must be performed by qualified service personnel. c. Using PVC cement, glue the pre-cut 2-inch diameter thermoplastic pipe, from step (a) above, to the 2-inch diameter PVC elbow (for the model series CDB1 in horizontal applications, the 2- inch diameter PVC tee).

  • Page 27: Connecting Furnace To Roof Vent/Air Terms

    All installations and services must be performed by qualified service personnel. DO NOT! SILICONE OR SEAL THIS CONNECTION IN ANYWAY. MUST BE LOOSE FIT WITH LEAKAGE BETWEEN PVC AND METAL COLLAR. Figure 12: Typical Internal Air Intake Piping Arrangement for All Furnace Models d.

  • Page 28: Condensate Drain Line & Trap Assy

    All installations and services must be performed by qualified service personnel. Figure 13: Typical Rooftop Vent and Air Intake Termination Construction Details Condensate Drain Line And Trap Assembly 1. The following diagrams depict typical condensate drain and trap connections for the furnace models series CHB1 and CDB1, refer to the illustrations in Figures 14, 15, and 16.
  • Page 29 All installations and services must be performed by qualified service personnel. Figure 15. Condensate Trap Assembly Mounted On the Model Series CDB1 In a Downflow Application Figure 16. Condensate Trap Assembly Mounted On The Model Series CDB1 In RH Side Horizontal Application...
  • Page 30 All installations and services must be performed by qualified service personnel. 2. Determine from which side of the furnace the condensate disposal line will be run. NOTICE: On the model series CHB1 / CDB1 the condensate disposal line must be on the same side as the flue outlet or, in the case of a horizontal application, the bottom of unit.

  • Page 31: General Gas Piping

    All installations and services must be performed by qualified service personnel. NOTICE: If an air conditioning condensate drain line is combined with the furnace condensate drain line, the air conditioning evaporator coil must have a separate trap installed ahead of the connection joint. 6.

  • Page 32: Filters

    All installations and services must be performed by qualified service personnel. Figure 18 2. A drip leg must be used on both LP and natural gas installations prior to the furnace in order to trap oil, condensate and other impurities which might otherwise lodge in the gas valve or plug the burner orifice.
  • Page 33 AOPS7375 for CHB1-125) is available which is sized for the filter provided. If an optional Thermo Pride filter rack AOPS7547 (figure 19) is used with the furnace, it will serve as a template to scribe a mark for the return air opening on the casing. Place the filter rack on the casing one inch up from the bottom of the furnace and centered from side to side.
  • Page 34 3. USE OF NON-THERMO PRIDE FILTER RETENTION MEANS If a method other than the Thermo Pride filter rack is selected for retention of the filter and/or use of a different filter type is desired, see Table 3 for minimum size guidelines for selecting a filter system for the CHB1 or CDB1 furnaces.

  • Page 35: Wiring

    All installations and services must be performed by qualified service personnel. FORMULA: (tons of cooling) x (400 CFM per ton) (144 square inches per foot) = filter area sq.inches (max. air velocity of filter from table 3 for the filter type) = length x width of filter in inches EXAMPLE: If you had a CHB1-100 furnace and 4 tons of cooling and a standard permanent filter.
  • Page 36 All installations and services must be performed by qualified service personnel. The proper thermostat heat anticipator setting is 0.8 AMPS for furnace operation only. To increase length of cycle, increase setting of heat scale; to decrease length of cycle, decrease setting of heat scale. Anticipators for the cooling operation are generally pre-set by the thermostat manufacturer and require no adjustment.
  • Page 37 All installations and services must be performed by qualified service personnel. BLOWER DELAY SETTINGS To delay fan Set Switch turn-on by: 15 sec. 30 sec. *45 sec. 60 sec, To delay fan Set Switch turn-off by: 60 sec. 90 sec. *120 sec.

  • Page 38: Natural/Propane Gas Conversion

    All installations and services must be performed by qualified service personnel. IV. NATURAL/PROPANE GAS CONVERSION INSTRUCTION This conversion shall be installed by a qualified service agency in accordance with the manufacturer's instructions and all applicable codes and requirements of the authority having jurisdiction. If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life.
  • Page 39 All installations and services must be performed by qualified service personnel. 3. Remove the burner box cover by removing the outer row of screws holding the cover. (See figure 1). : The regulator of the gas valve will not function properly if the hose connection between the gas valve and burner box is not made.
  • Page 40 All installations and services must be performed by qualified service personnel. 12. Proceed to Section V, Starting The Unit. Figure 2.

  • Page 41: Starting The Unit

    All installations and services must be performed by qualified service personnel. V. STARTING THE UNIT A. SEQUENCE OF OPERATIONS AT ANY TIME THE CONTINUOUS SAFE OPERATION CHECK GAS VALVE IS IF FLAME SIMULATION CONDITION NOT ENERGIZED PRESENT OR ROLL-OUT SWITCH OPENS, SYSTEM ENERGIZES INDUCER FAN FOR 15 SECONDS AND CIRCULATOR BLOWER AT HEATING SPEED UNTIL SITUATION CORRECTION START...
  • Page 42 All installations and services must be performed by qualified service personnel. AFTER DELAY-TO-FAN-ON THE RETRY SEQUENCE MAIN PERIOD ENDS, CIRCULATING PROVIDES A 60 SECOND BURNER AIR FAN IS ENERGIZED AT WAIT BEFORE IGNITION OPERATION HEATING SPEED. THE (OPTIONAL) RETRY. RETRY IS ELECTRONIC AIR CLEANER ATTEMPTED WITH AN AND HUMIDIFIER ARE...

  • Page 43: Initial Start-Up

    All installations and services must be performed by qualified service personnel. B. INITIAL START UP: This furnace does not have a pilot. It is equipped with a hot surface igniter, which automatically lights the burner. Do not attempt to light the burner by hand. Check the following items before the initial start-up. 1.

  • Page 44: Burner Adjustment

    All installations and services must be performed by qualified service personnel. b. With all other gas appliances turned off and using a stopwatch, clock the time required for the (small) dial on the gas meter to make one full revolution. The meter will state how many cubic feet is flowed for one revolution usually one, two or five.

  • Page 45: Furnace Checkout Procedure

    All installations and services must be performed by qualified service personnel. Figure 22 : The CHB1/CDB1 furnace models are an in-shot burner design, which does not require an air shutter adjustment (air shutters are not used) for proper flame characteristics. Burner box access cover must always be secured with all screws in place and tightened before operating furnace.

  • Page 46: Installer's Instructions To User

    All installations and services must be performed by qualified service personnel. VI. INSTALLER'S INSTRUCTIONS TO USER: After completing the installation, the installer shall inform and/or demonstrate to the homeowner: 1. The location of all the instructions in the furnace and that these instructions and the users information manual must be kept along with instructions for any accessories in the plastic pouch on the inside of the furnace.

  • Page 47: Troubleshooting

    All installations and services must be performed by qualified service personnel. VII. TROUBLESHOOTING NOTICE: BEFORE TROUBLESHOOTING, FAMILIARIZE YOURSELF WITH THE START UP AND CHECKOUT PROCEDURE. ALL INSTALLATION AND SERVICES MUST BE PERFORMED BY QUALIFIED HEATING CONTRACTORS. To assist you in troubleshooting this furnace, it is equipped with an integrated ignition control with diagnostics.
  • Page 48 All installations and services must be performed by qualified service personnel. TROUBLESHOOTING GUIDE THE SYSTEM IS STARTED BY SETTING THE THERMOSTAT TO CALL FOR HEAT. THE FOLLOWING SHOULD HELP ESTABLISH THE TYPE OF MALFUNCTION OR DEVIATION FROM THE NORMAL OPERATION. TO USE THIS DIAGRAM, YOU JUST NEED TO FOLLOW THE INSTRUCTIONS IN THE BOXES.
  • Page 49 All installations and services must be performed by qualified service personnel. IS THERE LINE VOLTAGE CHECK THE INTEGRATED ACROSS INDUCER POWER CONTROL DIAGNOSTIC LED TERMINALS "IND" & "IND N" LAMP. RESET BY INTERRUPTING AT THE INTEGRATED CONTROL? POWER TO CONTROL FOR MORE THAN ONE SECOND.
  • Page 50 All installations and services must be performed by qualified service personnel. AFTER GAS VALVE CHECK FOR PROPER ADJUST TO 3.5" FOR NATURAL GAS OPENS, DO THE MANIFOLD PRESSURE. OR 10.0" WC FOR LP GAS BURNERS IGNITE? IS IGNITOR REPOSITION TO POSITIONED CORRECTLY? CORRECT LOCATION.
  • Page 51 All installations and services must be performed by qualified service personnel. DOES SYSTEM RUN UNTIL IS LED LIGHT CHECK ALL THERMOSTAT IS SATISFIED? ON INTEGRATED WIRING FOR CONTROL FLASHING? LOOSE CONNECTIONS. DOES BURNER SHUT OFF CHECK FOR SHORT IN WIRE TO WHEN THERMOSTAT IS THERMOSTAT AND CORRECT SATISFIED?
  • Page 52 All installations and services must be performed by qualified service personnel. IF LED LIGHT FLASHES: 1 FLASH, THEN PAUSE SYSTEM LOCKOUT 2 FLASHES, THEN PAUSE PRESSURE SWITCH STUCK CLOSED 3 FLASHES, THEN PAUSE PRESSURE SWITCH STUCK OPEN 4 FLASHES, THEN PAUSE OPEN LIMIT SWITCH OR ROLLOUT SWITCH 6 FLASHES, THEN PAUSE 115 VOLT AC POWER REVERSED...

  • Page 53: Appendix - Areplacement Parts List

    All installations and services must be performed by qualified service personnel. Appendix –A Replacement Parts List 1. Replacement parts list for CHB1-50, CHB1-75, CHB1-100 and CHB1-125.
  • Page 54 All installations and services must be performed by qualified service personnel.
  • Page 55 All installations and services must be performed by qualified service personnel. 2. Replacement parts list for CDB1-50, CDB1-75, CDB1-100 and CDB1-125.
  • Page 56 All installations and services must be performed by qualified service personnel.

  • Page 57: Appendix - Bwiring Diagrams

    All installations and services must be performed by qualified service personnel. Appendix – B Wiring Diagrams...
  • Page 58 All installations and services must be performed by qualified service personnel.

This manual is also suitable for:

Chb1-100nCdb1-100nChb1-125nCdb1-125nCdb1-50nChb1-75n ... Show all

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