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

Modifications to ECM blower speed settings are done using the S3 and S4 dip switch controls. (Labeled 1 to 8 in Figure 21). Thermo Pride two-stage furnaces are factory shipped at the CFM settings listed below in Table 4.

2-Stage Blower Settings (from factory)

Table 4

 

Control Board

Heating

Heating

Constant Fan

Cooling

Unit

Dip Switch

CFM

CFM

CFM

CFM

 

Settings

(low fire)

(high fire)

 

 

 

CDX1-75

1-7 Off

885

1012

500

1000

8 On

 

 

 

 

 

 

 

 

 

 

 

CHX1-75

1-8 Off

760

931

500

1000

 

 

 

 

 

 

CDX1-100

1-7 Off

1094

1340

600

1200

8 On

 

 

 

 

 

 

 

 

 

 

 

CHX1-100

1-8 Off

1015

1243

600

1200

 

 

 

 

 

 

CDX1-125

1-7 Off

1366

1673

700

1400

8 On

 

 

 

 

 

 

 

 

 

 

 

CHX1-125

1-8 Off

1270

1556

700

1400

 

 

 

 

 

 

For adjustments to the Cooling CFM settings, as well as all additional CFM changes, please reference the dip switch tables listed in the ECM operation manual. (Included with every furnace.)

5. FIELD WIRING AND REPLACING WIRING

Field wiring between the furnace and devices not attached to the furnace shall conform with the temperature limitation for Type T wire[63°F rise (35°C)] when installed in accordance with the manufacturer’s instructions. If any of the original factory supplied furnace wiring is replaced or a separate device other than the thermostat is wired internal to the unit 105°C thermoplastic or equivalent wire must be used.

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Thermo Products CDX1-125N, CDX1-75N Cfm, Settings Low fire High fire CDX1-75, CHX1-75, Field Wiring and Replacing Wiring

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.