Gebruiksaanwijzing /service van het product R7426A van de fabrikant Honeywell
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HONEYWELL Copyright © 2007 Honeyw ell GmbH All Rights Reserved EN1B-0203GE51 R0507C R7426A,B,C TEMPERA TURE CONTROLLER WITH AND WITHOUT REAL-TIME CLOCK INST ALLA TION & ST ART -UP INSTRUCTIONS Fig. 1. T emperature Controller Contents General .
R7426A,B,C TEMPERATURE CONTROLLER WI TH AND WITHOUT REAL-TIME CLOCK EN1B-0203GE51 R0507C 2 WIRING Screwless ty pe, spring loaded terminals are provided on the controllers for panel and field w iring. These terminals are suitable for solid conductors as w ell as tinned or with multicore cable end, stranded wires up to 1.
R7426A,B,C TEMPERATURE CONTROLLER WITH AND WITHOUT REAL-TIME CLOCK 3 EN1B-0203GE51 R0507C CONFIGURATION AND CONTROL PARAMETERS The controllers R7426A,B,C include two groups of settings *) (I and II) for control and confi guration parameters that are automatically selected during programming.
R7426A,B,C TEMPERATURE CONTROLLER WI TH AND WITHOUT REAL-TIME CLOCK EN1B-0203GE51 R0507C 4 config. par. R7426 no. name description default setting I / II A B C actual val ue C.12 T2ext Enable / Disables the T1 sensor input to be used for both T1 and T2 inputs.
R7426A,B,C TEMPERATURE CONTROLLER WITH AND WITHOUT REAL-TIME CLOCK 5 EN1B-0203GE51 R0507C control par. setting I / setting II R7426 no. name description low high def. reso- lution unit A B C actual val ue P.01 W1 Main setpoint for input T1 0 50 / 130 21 / 70 0.
R7426A,B,C TEMPERATURE CONTROLLER WITH AND WITHOUT REAL-TIME CLOCK EN1B-0203GE51 R0507C 6 CONFIGURATION SETTINGS The controllers R7426A,B are supplied with unconfigured outputs to avoid damage of installed final control devices by supply of not applicable output signals if the controller pow er supply is turned on.
R7426A,B,C TEMPERATURE CONTROLLER WITH AND WITHOUT REAL TIME CLOCK 7 EN1B-0203GE51 R0507C Output Signal Mode YMode (C.11) Sequence Operation The controllers R7426B,C are supplied from the factory configured for sequence operation of heating, mixed air , and cooling control.
R7426A,B,C TEMPERATURE CONTROLLER WI TH AND WITHOUT REAL TIME CLOCK EN1B-0203GE51 R0507C 8 Summer / Winter Time Change AddHour / SubHour (C.16 / C.17) These configuration parameters are only available on controllers with R TC.
R7426A,B,C TEMPERATURE CONTROLLER WITH AND WITHOUT REAL TIME CLOCK 9 EN1B-0203GE51 R0507C limit or cascade sensor (T2) to operate the output device from full open (100%) to full closed (0%) or vice versa.
R7426A,B,C TEMPERATURE CONTROLLER WI TH AND WITHOUT REAL TIME CLOCK EN1B-0203GE51 R0507C 10 Setting Guidelines for Reset Time of P+I Control The reset time tr should be adjusted to 2...3 times of the response time T u , which is the time interval betw een the beginning of a sustained disturbance (e.
R7426A,B,C TEMPERATURE CONTROLLER WITH AND WITHOUT REAL TIME CLOCK 11 EN1B-0203GE51 R0507C Y (% ) 100 T ( ) ° C SOFFS SOFFS CTRPH CTRPC Xph Xpc OCCUPIED UNOCCUPIED Fig.
R7426A,B,C TEMPERATURE CONTROLLER WI TH AND WITHOUT REAL TIME CLOCK EN1B-0203GE51 R0507C 12 Changing Operating Modes Fig. 7 shows the six operati ng modes. After power-up the controller version is displayed and the controller enters the standard display mode.
R7426A,B,C TEMPERATURE CONTROLLER WITH AND WITHOUT REAL-TIME CLOCK 13 EN1B-0203GE51 R0507C Time Out After approximately 10 min of inactivity (no button has been pressed: time out), each m ode returns automatically to standard display mode.
R7426A,B,C TEMPERATURE CONTROLLER WI TH AND WITHOUT REAL-TIME CLOCK EN1B-0203GE51 R0507C 14 Displaying Actual Values In the standard display mode, one of nine actual values, the actual time, or the date can be selected and displayed by pushing the SEL button.
R7426A,B,C TEMPERATURE CONTROLLER WITH AND WITHOUT REAL-TIME CLOCK 15 EN1B-0203GE51 R0507C • T o release the manual override (fixed) of the output, select the output, enter output adj ustment mode and push the + and - button simultaneously . Pushing the SEL button leads back to standard display mode.
R7426A,B,C TEMPERATURE CONTROLLER WITH AND WITHOUT REAL-TIME CLOCK EN1B-0203GE51 R0507C 16 Using the Schedules (with RTC, only) T wo schedules, one for programming the schedule points and one for holiday programming, are available.
R7426A,B,C TEMPERATURE CONTROLLER WITH AND WITHOUT REAL-TIME CLOCK 17 EN1B-0203GE51 R0507C Selecting Clock and Sche dules (with RTC, only) DA TE & TIME SELECTION ST ANDARD SCHEDULE SELECTION HOLIDA Y SCHEDULE SELECTION STA NDARD SCHEDULE PROGRAMMING DATE & TIME ADJUSTMENT HOLIDA Y SCHEDULE PROGRAMMING Fig.
R7426A,B,C TEMPERATURE CONTROLLER WI TH AND WITHOUT REAL-TIME CLOCK EN1B-0203GE51 R0507C 18 Programming Holiday Schedule (with RTC, only) The holiday schedule programming is used to program each day of the year (01.01 ... 31.12.) as a holiday (day type = H1, H2 or H3) or as a normal day (day ty pe = H0 is default).
R7426A,B,C TEMPERATURE CONTROLLER WITH AND WITHOUT REAL-TIME CLOCK 19 EN1B-0203GE51 R0507C NOTES (WITH RTC, ONLY) day Jan. Feb. March Ap r i l ) May June July A ugust Sept. Oct. Nov . Dec. 1 . 2 . 3 . 4 . 5 . 6. 7. 8. 9. 10. 11 . 1 2 . 1 3 . 1 4 . 1 5 .
R7426A,B,C TEMPERATURE CONTROLLER WI TH AND WITHOUT REAL-TIME CLOCK Manufactured for and on behalf of the Environment al and Combustion Controls Division of Honeywell Technologies Sàrl, Ecublens, Rou.
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