Honeywell R7426C, R7426B Weekly schedule and holiday types, Automation and Control Solutions

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R7426A,B,C TEMPERATURE CONTROLLER WITH AND WITHOUT REAL-TIME CLOCK

day1)

point 1

point 2

point 3

point 4

point 5

point 6

time

SMode2)

time

SMode2)

time

SMode2)

time

SMode2)

time

SMode2)

time

SMode2)

1)Weekday or holiday type; 2)Programmed controller mode (schedule mode)

Table 17. Weekly schedule and holiday types

Manufactured for and on behalf of the Environmental and Combustion Controls Division of Honeywell Technologies Sàrl, Ecublens, Route du Bois 37, Switzerland by its Authorized Representative:

Automation and Control Solutions

Honeywell GmbH

Böblinger Straße 17

D-71101 Schönaich

Phone: (49) 7031 63701

Fax: (49) 7031 637493

http://europe.hbc.honeywell.com

Subject to change without notice. Printed in Germany	Manufacturing location certified to
EN1B-0203GE51 R0507C

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Contents Mounting Before Installation NoteGeneral Wiring Power Supply and GroundingTerminal Connection Controller to CPA/SPA potentiometer TerminalConfiguration and Control Parameters Y1CTRF Noffs MinposSoffs Configuration Settings Control Point / Setpoint Adjustment Cpatyp C.05Operating Range Selection Ctrltyp C.04 Output Control Range Selection YRange C.06Output Signal Mode YMode C.11 Supply of Temperature Signal T2 T2ext C.12Limit Type LimTyp C.13 Sensor Type Senstyp C.14Parameter Settings Adjustment Reset Time tr1 / tr2 P.12 / P13 Throttling range and reset time reference Application SensThrottling Range Xpc / Xph P.10 / P11 Tr1 Tr2Night Mode Offset Noffs P.26 Controller with RTC only Start Point Ystart P.15Compensation Changeover Point Wcomp P.03 Summer / Winter Compensation Authority Su / Wi P.04 / P.05Operating Overview Return Air Offset RetOffs P.20Minimum Position Minpos P.14 Runtimex, x = Y1, Y2, or Y3 P.21...P.23Changing Operating Modes Operating overviewStandard display mode Time OutAdjusting Configuration / Parameter Values Resetting Param. Values to Default ValuesDisplaying Actual Values Selecting ParametersOutput Selection Mode Day1 Point Using the Schedules with RTC, onlyExample of annual schedule no default Programming Standard Schedule with RTC, only Adjusting Date and Time with RTC, onlySelecting Clock and Schedules with RTC, only Interpreting Error Messages Programming Holiday Schedule with RTC, onlyAnnual schedule Automation and Control Solutions Weekly schedule and holiday types

R7426C, R7426A, R7426B specifications

Honeywell's R7426 series comprises three advanced models: R7426B, R7426A, and R7426C. These devices are designed to optimize control for HVAC applications, emphasizing energy efficiency, ease of use, and superior control capabilities. Each model incorporates unique features and technologies catering to specific system requirements while maintaining common foundational characteristics.

The R7426B is engineered with a microprocessor-based control system, allowing for precise temperature management across varied environments. It supports a range of heating and cooling applications, making it versatile in both residential and commercial settings. The unit boasts dual-stage heating and cooling capabilities, ensuring optimal comfort by allowing for gradual temperature changes. It also includes an easy-to-read LCD display for user-friendly navigation and parameter adjustments.

R7426A enhances functionality with additional communication technologies. This model incorporates Honeywell's proprietary communication protocols, enabling seamless connection with smart thermostats and home automation systems. This ensures users can monitor and control their HVAC systems remotely, leading to enhanced energy management and convenience. R7426A also includes advanced diagnostic capabilities that simplify troubleshooting and maintenance processes.

R7426C further extends the capabilities of the series by integrating state-of-the-art sensors for real-time environmental monitoring. These sensors continuously track indoor air quality parameters such as humidity and particulate matter levels, allowing for immediate adjustments to maintain optimal indoor conditions. The model is also equipped with smart algorithms that learn user preferences over time, automatically adjusting settings to enhance comfort and efficiency.

Common features across the R7426 series include robust construction for long-lasting performance and compatibility with a wide range of HVAC systems, including heat pumps and conventional heating systems. Each model supports programmable settings, enabling users to create schedules that align with their unique lifestyle or business needs. Safety features, including freeze protection and delay timers, are integrated to safeguard against potential system failures.

Overall, the Honeywell R7426B, R7426A, and R7426C models represent a significant advancement in HVAC control technology. With their focus on efficiency, automation, and user-centric design, these devices help users achieve optimal climate management in their spaces while minimizing energy consumption. Whether for residential comfort or commercial efficiency, these models stand out as reliable solutions in the HVAC market.