Thermo Products CDX1-125N, CDX1-75N, CHX1-125N, CHX1-75N, CHX1-100N, CDX1-100N General GAS Piping

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All installations and services must be performed by qualified service personnel.

4.Measure the drain hose (11/16” o.d. clear tubing) provided and remove any extra length, making sure that the hose has sufficient length not to kink or otherwise be restricted once installed. Attach the drain hose (11/16” o.d. clear tubing) to the other side of the condensate trap tee. On CHX1/CDX1’s, this hose is shipped in the parts package and it will be necessary to attach the other end to the PVC drain tee assembly (see Figure 15). Use the silver clamp(s) provided in the parts package to secure all connections.

5.Install field supplied 1/2” CPVC drain pipe and elbows using CPVC cement to reach a nearby drain. A minimum 1/4” per foot downward slope toward the drain must be maintained. The drain line must be water tight, supported and secured so that it can’t be moved. The length of the drain must be kept as short as possible.

IMPORTANT: If an air conditioning condensate drain line is combined with the furnace condensate drain line, it must have a separate trap ahead of the joint connection.

6.If a drain is not readily available or is above the trap outlet level on the furnace or the drain line cannot be sloped downward its full length to the drain, then a condensate pump (part #350225) can be ordered from the factory. Follow the pump manufacturers installation instructions.

7.The furnace condensate is slightly acidic with a pH of 3.5. Cola drinks with a pH of 3.1 are actually more acidic. If local codes require a neutralizing kit, the kit may be ordered using part no. 320095. Instructions included with the neutralizing kit must be followed for its proper installation.

8.The condensate piping in the furnace and the drain system must be flushed out at the start of every heating season. This will assure trouble free operation and will keep the acidity level well above 3.4 pH.

To flush the condensate drain system, turn off power to the furnace at the electrical disconnect switch and turn the thermostat to the lowest setting.

Remove the 11/16” diameter clear tubing from the coil drain nipple and run tap water into the open end of the tubing. This should keep the drain system clean. Replace the tubing by pushing it firmly onto the nipple. Make sure the spring clamp is returned to the original position to prevent leaks. If any of the electrical controls are exposed to water, dry with a soft cloth and wait 24 hours before operating the furnace. Set the room thermostat to the desired temperature and restore electrical power to the furnace.

J. GENERAL GAS PIPING

: Because of the potential of odorant fade, a gas leak may not be detected by smell. If this furnace is installed below grade, contact your gas supplier for a gas detector.

1.Left and right gas supply piping - These furnaces are set-up to be gas piped through either the left or right side by using a street elbow and a straight pipe. For the purposes of service, it is recommended that the gas union be located inside the furnace, when possible.

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Contents TWO Stage Condensing GAS Furnace MG-1010Safety Information Page Iii Page Index Section Beginning II. Furnace Specifications CHX1 Series Model no Temperature Rise Blower Motor HP Power ChokesHeight of Casing Width of Casing Depth of CasingCDX1 Series Model no CDX1-75 CDX1-100 CDX1-125 BTU/HR Input High fire / Low fireBTU/HR Output High fire / Low fire @HEATING TAP C High fire / Low fire#S00S4378 Installation Parts Packages CHX1-75 Description Quantity#S00S4379 Installation Parts Packages CDX1-75 Description Quantity #S00S4380#S00S4381 Codes and Clearances III. General InstallationCHX1-75 CHX1-100 CHX1-125 CDX1-75 CDX1-100 CDX1-125 Furnace Location B1. CDX1 Horizontal ApplicationPage General Requirements for Venting CHX1/CDX1 Replacing AN Existing Furnace from a Common VentMaximum Vent Length Sidewall Venting Vent Terminal Location Requirements Vent Terminal Location Guidelines E1. Single Pipe Sidewall Venting OptionInstallation of Outside VENT/AIR Intake Terminations Optional TerminationsPage Page Connecting the Exhaust Vent to the Inducer Page Connecting the Combustion AIR Inlet Connecting the Furnace to Roof VENT/AIR Terminations Trap Assembly Mounted on CHX1 Trap Assembly Mounted on CDX1Page General GAS Piping Filters CHX1 Models Highboys CDX1 Models Counterflows Wiring USE of NON-THERMO Pride Filter Retention MeansRate AIR Velocity Furnace ModelElectronic AIR Cleaner EAC and Humidifier Installation Thermostat Connections and Anticipator SettingBlower and Control Panel Wiring Settings Low fire High fire CDX1-75 Field Wiring and Replacing WiringCFM CHX1-75Contacts Close Retry will be Made If System is in Lockout Initial Start UP Operating InstructionsGas flowrate by clocking gas meter Exploded View of CDX/CHX Gas Control System BTU CHX Low CDX Low CHX Low CDX Low Model SeriesNormal Manifold Pressure in. W.GChecking The Burner Flame Checkout Procedure Sketch of Typical Main Burner Flames During OperationConverting GAS Flow Rate Furnace Checkout Procedure Installers Instructions to UserVI. Troubleshooting Diagnostic Features Terminals IND HI to IND N or IND LO to Is the High Limit Page 50V61-143 Control AIR Blower Turn OFF Replacement parts list for CHX1-75, CHX1-100 and CHX1-125 Page Replacement parts list for CDX1-75, CDX1-100 and CDX1-125 Page Appendix B Wiring Diagrams
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CDX1-100N, CDX1-125N, CHX1-100N, CHX1-75N, CHX1-125N specifications

Thermo Products has established itself as a leader in the HVAC industry, providing innovative solutions for climate control with their latest product line, including the CHX1-125N, CDX1-75N, CDX1-100N, CHX1-75N, and CHX1-100N models. These units are designed for both efficiency and performance, catering to a wide range of heating and cooling needs.

One of the standout features of these models is their high energy efficiency ratings. Utilizing advanced inverter technology, these units dynamically adjust their operating frequency, optimizing energy consumption while maintaining consistent temperature control. This adaptability not only enhances comfort but also significantly lowers energy bills, making them an eco-friendly choice for both residential and commercial applications.

The CHX1 series, including the CHX1-125N, CHX1-75N, and CHX1-100N, is renowned for its robust build quality and superior performance in extreme conditions. They can operate effectively in varied environments, ensuring reliable heating during harsh winters and efficient cooling amid hot summers.

In contrast, the CDX1 series—featuring the CDX1-75N and CDX1-100N—focuses on delivering exceptional versatility. These models come equipped with advanced multi-zone capabilities, allowing users to control different areas or rooms with precision. This zoning capability not only enhances comfort but also optimizes energy efficiency by allowing users to heat or cool only the spaces that are occupied.

A common characteristic among all these models is their quiet operation. Designed with noise-reduction technologies, the units are engineered to operate with minimal sound, making them ideal for residential settings, offices, and other noise-sensitive environments.

Moreover, Thermo Products emphasizes user-friendly interfaces in their design. With intuitive controls and smart connectivity options, users can easily manage their HVAC systems through mobile applications, ensuring convenience and optimal temperature management from anywhere.

Overall, Thermo Products’ CHX1-125N, CDX1-75N, CDX1-100N, CHX1-75N, and CHX1-100N models exemplify the perfect blend of innovation, efficiency, and user-centered design. These heating and cooling solutions not only meet the demands of modern living but also contribute to sustainability efforts, making them a valuable addition to any climate control system.
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