Honeywell R7426A, R7426B, R7426C dimensions Annual schedule

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

NOTES (WITH RTC, ONLY)

day	Jan.	Feb.	March	April)	May	June	July	August	Sept.	Oct.	Nov.	Dec.
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29.		1)
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31.

1)If the 29th of February is programmed to be a H1 or H2 holiday and the current year is not a leap year, this holiday will be deleted on March 1.

Table 16. Annual schedule

19	EN1B-0203GE51 R0507C

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Contents General Before Installation NoteMounting Terminal WiringPower Supply and Grounding Terminal Connection Controller to CPA/SPA potentiometerConfiguration and Control Parameters Y1CTRF Soffs MinposNoffs Output Control Range Selection YRange C.06 Configuration SettingsControl Point / Setpoint Adjustment Cpatyp C.05 Operating Range Selection Ctrltyp C.04Sensor Type Senstyp C.14 Output Signal Mode YMode C.11Supply of Temperature Signal T2 T2ext C.12 Limit Type LimTyp C.13Parameter Settings Adjustment Tr1 Tr2 Reset Time tr1 / tr2 P.12 / P13Throttling range and reset time reference Application Sens Throttling Range Xpc / Xph P.10 / P11Summer / Winter Compensation Authority Su / Wi P.04 / P.05 Night Mode Offset Noffs P.26 Controller with RTC onlyStart Point Ystart P.15 Compensation Changeover Point Wcomp P.03Runtimex, x = Y1, Y2, or Y3 P.21...P.23 Operating OverviewReturn Air Offset RetOffs P.20 Minimum Position Minpos P.14Operating overview Changing Operating ModesTime Out Standard display modeSelecting Parameters Adjusting Configuration / Parameter ValuesResetting Param. Values to Default Values Displaying Actual ValuesOutput Selection Mode Example of annual schedule no default Using the Schedules with RTC, onlyDay1 Point Selecting Clock and Schedules with RTC, only Adjusting Date and Time with RTC, onlyProgramming Standard Schedule with RTC, only Programming Holiday Schedule with RTC, only Interpreting Error MessagesAnnual schedule Weekly schedule and holiday types Automation and Control Solutions

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.