Carrier Comprehensive Guide to 42 Series Manual and Sunne Thermostat Features
Page 10

REMOTE-MOUNTED CONTROLS

Standard 3-Speed Switch Ð This standard switch has 4 positions: OFF, HIGH, MEDIUM, and LOW. Switch has auxiliary contact that is energized when switch is in HIGH, MEDIUM or LOW position.

Some of the options common with the 3-speed switch are:

1.Unit-mounted switch on Furred-In Vertical Model. (Avail- able as special order on Horizontal Models)

2.Switch without OFF position.

3.Key-operated switch.

Combination Thermostat/3-Speed Switch

(Packages 22-B, 22-D, 22-F, 22-H, 22-K*) Ð Thermostat and standard switch are mounted on a common decorative wall plate, suitable for installation in a 411¤16-in. square junc- tion box. Packages 22-A and 22-B include Model TC-126 2-pipe heating and cooling thermostat and automatic change- over switch (shipped separately for ®eld wiring and mount- ing).

Packages 22-C and 22-D include Model TC-126 thermo- stat less automatic changeover switch wired for cooling only.

Packages 22-E and 22-F include Model TC-126 thermo- stat, less automatic changeover, wired for heating only.

Package 22-G includes Model TH-126 4-pipe thermostat for sequenced heating and cooling, plus 3-speed switch. (For 4-pipe or total electric heat systems.)

Package 22-J is the same as 22-G except that 2 automatic changeover switches are shipped with package. (For auxil- iary electric heat systems.)

Wall Thermostat, 2-Pipe (Packages 22-A through 22-F*) Ð Model TC-126 thermostat for heating and cool- ing, operates on line voltage. Action is SPDT. Temperature range is 50-90 F.

Packages 22-A and 22-B Ð Heating and cooling, in- cludes one automatic changeover switch (shipped separately for ®eld wiring and mounting).

Wall Thermostat, 4-Pipe (Packages 22-G through 22-K*) Ð Model TH-126 thermostat is also used on 2-pipe system with electric heat. Heating and cooling are se- quenced (automatic changeover) with 6 degree separation be- tween HEATING ON and COOLING ON. Temperature range is 50 - 90 F.

Packages 22-G and 22-H Ð For 4-pipe and total electric heat systems.

Packages 22-J and 22-K Ð For auxiliary electric heat sys- tems, includes 2 automatic changeover switches (shipped sepa- rately for ®eld wiring and mounting).

* Packages listed on current price pages.

 

60

70

 

80

 

 

50

 

90

 

 

60

70

80

50

90

 

Thermostat Electrical Data

(Pilot Duty Ð 125 VA)

VOLTS

HEATING

COOLING

FLA

LRA

FLA

LRA

 

120

5.8

34.8

5.8

34.8

240

4.9

29.4

4.9

29.4

277

4.1

24.6

4.1

24.6

 

 

 

 

 

10

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Contents Application Data Contents Control Selection Guide PipeStandard Wiring Packages Thermostatic Fan Control, 2-Pipe Systems ÐThermostatic Electric Valve Control, 2-Pipe Ð OnlyUnit Location Wiring Package Electric Type Unit Location Wiring Package Electric Type Unit Type Location Wiring Package Electric Heater Construction Electric HeatHeater Electrical Data REMOTE-MOUNTED Controls Combination Thermostat/3-Speed SwitchThermostat Electrical Data Pilot Duty Ð 125 VA Alternate Wall Thermostats Fan SwitchThermostat and Fan Switch Electrical Ratings Thermostat Electrical Ratings Amperes Thermostat Valve LoadUNIT-MOUNTED Controls Combination Thermostat/ON-OFF Toggle SwitchMED Thermostat Electrical Data Pilot Duty Ð 125 VA at 120-277 Basic Definitions Standard 2-pipe units will be the same end connectionHydronic Coil Arrangement Field Piping ConnectionsSymbol And Placement Of Valves Valve PackagesPage Valve Packages Two-Way Motorized Control Valve Three-Way Motorized Control Valve No Motorized Control ValveValve Package Arrangements Page Valve Package Arrangements DescriptionAcceptable Field-Furnished Pneumatic Valves CapacitySYMBOL/SKETCH Description CV Factor Rating Steam PSI USE Piping ComponentsHayes Piping Components Compression Stop ValveWAY Motorized Valve Electric SYMBOL/SKETCH Description CV Factor Rating SteamUSE WAY Pneumatic ValveGraph Example CV Factor vs Water Pressure DropFormula Example Page Copper Water Tube and Joint Material Pressure Ratings Joint MaterialsEquivalent water ¯ow method for all 42 Series Models Correction Factors for GlycolExample Standard Accessories and Options Cabinet Changes

42 SERIES specifications

The Carrier 42 SERIES represents a cutting-edge solution in the realm of HVAC systems, meticulously designed to provide efficient heating, cooling, and ventilation for residential and commercial spaces. Known for their reliability and superior performance, these units combine advanced technologies with user-friendly features, catering to diverse climate needs.

One of the standout features of the Carrier 42 SERIES is its energy efficiency. These units are equipped with high Seasonal Energy Efficiency Ratings (SEER) and Heating Seasonal Performance Factor (HSPF) ratings, which translate to reduced energy consumption and lower utility bills. The use of advanced inverter technology allows the compressor to adjust its speed and output according to the precise heating or cooling needs of a space, ensuring optimal comfort while minimizing energy waste.

In terms of operation, the Carrier 42 SERIES includes a variable speed compressor that not only enhances comfort but also ensures quieter operation. Unlike traditional systems, these units can run at lower speeds for longer periods, resulting in a more consistent indoor climate without the disruptive noise typically associated with HVAC systems.

Another significant aspect of the Carrier 42 SERIES is its robust construction and advanced materials. Built with durability in mind, these units feature weather-resistant cabinets and enhanced corrosion protection, ensuring a longer lifespan and reliable performance even in harsh environmental conditions.

Smart connectivity is also a hallmark of the Carrier 42 SERIES. Many models come with integrated Wi-Fi capabilities, allowing users to control their heating and cooling systems remotely via mobile apps. This feature enables homeowners to manage their indoor climate settings from anywhere, enhancing convenience and energy savings.

Furthermore, the Carrier 42 SERIES incorporates advanced air filtration systems designed to improve indoor air quality. These systems capture dust, allergens, and other airborne pollutants, contributing to a healthier living environment.

Overall, the Carrier 42 SERIES emerges as an exceptional choice for anyone seeking a reliable, efficient, and technologically advanced HVAC system. With its focus on energy efficiency, quiet operation, durability, smart home integration, and air quality improvement, it meets the demands of modern users while ensuring comfort throughout the year.
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