Carrier 42 SERIES Standard Wiring Packages, Thermostatic Fan Control, 2-Pipe Systems Ð

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STANDARD WIRING PACKAGES

IMPORTANT: Wiring diagrams shown depict typical control functions. Refer to unit wiring label for spe- ci®c functions.

Manual Fan Control Ð On all Vertical Cabinet units, the standard fan-speed switch is furnished unit-mounted and wired. On all Vertical Furred-In units and all Horizontal units, the switch is shipped separately on a decorative wall plate for ®eld mounting and wiring.

The standard switch has LOW, MEDIUM, HIGH and OFF positions plus an auxilliary contact to energize thermostats, valves, dampers, etc.

NOTE: Wiring diagrams are for 120-v power supply. If other voltages for heaters or controls are speci®ed, wiring may dif- fer from that shown.

The standard 3-speed switches are illustrated on page 12 (unit mounted) and on page 10 (wall mounted).

For NOTES, see below.

Thermostatic Fan Control, 2-Pipe Systems Ð

UNIT

 

 

 

THERMOSTAT OR

The thermostat cycles the fan on and off from any selected

 

LOCATION

 

WIRING PACKAGE*

TYPE

 

 

Heating or

Heating and Cooling

speed setting to maintain selected room temperature. Con-

 

 

 

 

 

 

Cooling Only

Plus Changeover²

trols can be wired for heating-only, cooling-only or for heating/

 

 

 

Vertical

 

Unit Mounted

 

N/A

N/A

cooling by the addition of an automatic changeover device

 

 

Vertical

 

 

 

 

 

that senses water temperature and changes the action of the

 

 

 

22-C, 22-D

 

or

 

Wall Mounted

 

22-A, 22-B

thermostat as required.

 

 

22-E, 22-F

Horizontal

 

 

 

 

For control package descriptions, see control components

 

 

 

 

 

 

*Packages

listed on current

price pages. First 2 digits are item

sections entitled Remote-Mounted Controls and Unit-

numbers.

 

 

 

 

 

Mounted Controls, pages 10-13.

²For alternate thermostat with manual changeover. Refer to current

 

price pages.

 

 

NOTES:

1.Motors are thermally protected.

2.Use copper conductors only.

3.See unit nameplate for power supply. Provide disconnect means and overload protection as required.

4.Unit-mounted thermostats are not recommended for fan control because of poor temperature sensing. Fan control not available on 42VC,VE Loboy units.

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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 Fan Switch Thermostat and Fan Switch Electrical RatingsAlternate Wall Thermostats 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 ValveSYMBOL/SKETCH Description CV Factor Rating Steam USEWAY Motorized Valve Electric 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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