Honeywell R7426A manuals
Household Appliance > Thermostat
When we buy new device such as Honeywell R7426A we often through away most of the documentation but the warranty.
Very often issues with Honeywell R7426A begin only after the warranty period ends and you may want to find how to repair it or just do some service work.
Even oftener it is hard to remember what does each function in Thermostat Honeywell R7426A is responsible for and what options to choose for expected result.
Fortunately you can find all manuals for Thermostat on our side using links below.
Honeywell R7426A Dimensions
20 pages 624.99 Kb
HONEYWELL R7426A,B,C TEMPERATURE CONTROLLER WITH AND WITHOUT REAL-TIME CLOCK MicroniK 200 INSTALLATION & START-UP INSTRUCTIONS Contents GENERAL BEFORE INSTALLATION NOTE MOUNTING R7426A,B,C TEMPERATURE CONTROLLER WITH AND WITHOUT REAL-TIME CLOCK 2 WIRING POWER SUPPLY AND GROUNDING 3 CONFIGURATION AND CONTROL PARAMETERS R7426A,B,C TEMPERATURE CONTROLLER WITH AND WITHOUT REAL-TIME CLOCK 6 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) Enabling the Start-up Routine (C.07) Individual Output Function Selection YxMode, x = 1, 2, or 3 (C.08...C.10) R7426A,B,C TEMPERATURE CONTROLLER WITH AND WITHOUT REAL TIME CLOCK 7 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) Sensor Type Senstyp (C.14) Output Control Function Y1CTRF (C.15) Summer / Winter Time Change AddHour / SubHour (C.16 / C.17) Prestart Gradients PSTG_H / PSTG_C (C.18 / C.19) Optimum Start Self Adaption Speed Adapt (C.21: Controller with RTC only) Damper Prestart Time tvd (C.20: Controller with RTC only) Serial Communication Address Adr (C.22) Default Programming DefProg (C.23) 8 PARAMETER SETTINGS AND ADJUSTMENT Main Setpoint W1 (P.01) High/Low Limit Setpoint W (P.02) Submaster Setpoint W (P.06) Reset Span Adjustment R (P.07) Throttling Range Xp1 / Xp2 (P.08 / P09) 9 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 10 Start Point Y (P.15) Compensation Changeover Point W (P.03) Summer / Winter Compensation Authority Su / Wi (P.04 / P.05) Occupied/Unoccupied Function SOFFS (P.16) Night Mode Offset NOFFS (P.26: Controller with RTC only) Night Cycle NightLow and NightHigh (P.24 and P.25: with RTC, only) Calibration of Temperature Sensors T1CAL, T2CAL, or T3CAL (P.17...P.19) Return Air Offset RetOffs (P.20) Minimum Position MINPOS (P.14) Runtimex, x = Y1, Y2, or Y3 (P.21...P.23) 11 OPERATING OVERVIEW Display and Operation Elements PUSH BUTTONS DISPLAY12 Changing Operating Modes OUTPUT ADJUSTMENT STANDARD DISPLAY CLOCK / SCHEDULE PARAM./CONFIG. PARAM./CONFIG. ADJUSTMENT OUTPUT Time Out Fig. 8. Standard display mode SET by the button are ignored by the controller and old parameter values will be retained. 13 AB A B 14 Displaying Actual Values Selecting Parameters Adjusting Configuration / Parameter Values Resetting Param. Values to Default Values Selecting Output Values Manually Overriding Output Values 15 EN1B-0203GE51 R0507C NO MANUAL OVERRIDEMANUAL OVERRIDE 15 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 RELEASE OF MANUAL OVERRIDE OR Fig. 12. Output value adjustment for manual override 16 Using the Schedules (with RTC, only) 18 Interpreting Error Messages B A A BR7426A,B,C TEMPERATURE CONTROLLER WITH AND WITHOUT REAL-TIME CLOCK 19 NOTES (WITH RTC, ONLY)
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