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Honeywell R7426A, R7426B, R7426C , button leads back to standard display mode. , , ,

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

15 EN1B-0203GE51 R0507C

• To release the manual override (fixed) of the output, select the output, enter output adjustment mode and push the + and - button simultaneously. Pushing the

SEL

button leads back to standard display mode.

R7426B

AND

R7426C,

ONLY

WITHOUT :

CONTROL LOOP

IS ACTIVE

WITH :

MANUAL OVERRIDE

IS ACTIVE

Fig. 11. Output Selection Mode

% %

AND

TO ADJUST

OUTPUT

VALUE

OUTPUT

VALUE

DJUSTMENT

OUTPUT

VALUE

ADJUSTMENT

AUTOMATIC

DISPLAY

FOR APPROX.

1 SEC

OUTPUT

SELECTION

OUTPUT

SELECTION

OUTPUT

SELECTION

RELEASE OF

MANUAL OVERRIDE

NO MANUAL OVERRIDEMANUAL OVERRIDE

OR

Fig. 12. Output value adjustment for manual override

Contents

Main HONEYWELL R7426A,B,C TEMPERATURE CONTROLLER WITH AND WITHOUT REAL-TIME CLOCK MicroniK 200 INSTALLATION & START-UP INSTRUCTIONS Contents WIRING POWER SUPPLY AND GROUNDING CONFIGURATION AND CONTROL PARAMETERS Page Page R7426A,B,C TEMPERATURE CONTROLLER WITH AND WITHOUT REAL-TIME CLOCK CONFIGURATION SETTINGS Direct - Reverse Action Dir/Revx, x = Y1, Y2 or Y3 (C.01...C.03) Operating Range Selection Ctrltyp (C.04) Control Point / Setpoint Adjustment CPATYP (C.05) Output Control Range Selection YRange (C.06) Output Signal Mode YMode (C.11) Sequence Operation Multistage ON/OFF Function Supply of Temperature Signal T2 T2ext (C.12) Limit Type LimTyp (C.13) PARAMETER SETTINGS AND ADJUSTMENT Main Setpoint W1 (P.01) High/Low Limit Setpoint W (P.02) Submaster Setpoint W Throttling Range Xpc / Xph (P.10 / P11) Setting Guidelines for Proportional Band of P and P+I Control Reset Time tr1 / tr2 (P.12 / P13) Setting Guidelines for Reset Time of P+I Control Start Point Y (P.15) Compensation Changeover Point W (P.03) Summer / Winter Compensation Authority Su / Wi (P.04 / P.05) OPERATING OVERVIEW Display and Operation Elements PUSH BUTTONS DISPLAY Changing Operating Modes OUTPUT ADJUSTMENT STANDARD DISPLAY CLOCK / SCHEDULE PARAM./CONFIG. A A B A B Displaying Actual Values Selecting Parameters Adjusting Configuration / Parameter Values Resetting Param. Values to Default Values Selecting Output Values AND SEL button leads back to standard display mode. R7426B AND R7426C, ONLY RELEASE OF MANUAL OVERRIDE OR Fig. 12. Output value adjustment for manual override Using the Schedules (with RTC, only) Selecting Clock and Schedules (with RTC, only) Adjusting Date and Time (with RTC, only) Programming Standard Schedule (with RTC, only) Programming Holiday Schedule (with RTC, only) Interpreting Error Messages B A A B R7426A,B,C TEMPERATURE CONTROLLER WITH AND WITHOUT REAL-TIME CLOCK NOTES (WITH RTC, ONLY) 11. 10. 9. 8.