Honeywell R7426B - Manuals

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 power suppl...

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. The sequence operation can...

R7426A,B,C TEMPERATURE CONTROLLER WITH 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 RTC. The configuration parameter AddHour or SubHour are required to adjust the m...

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. Xp1 is the throttling range for the main control loop, Xp2 is used if limitation or cascade con...

R7426A,B,C TEMPERATURE CONTROLLER WITH 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 between the beginning of a sustained disturbance (e.g....

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. 5. Night cycle NightLow and NightHigh The night cycle program automatically cycles between the user selected upper and lower limits ...

R7426A,B,C TEMPERATURE CONTROLLER WITH AND WITHOUT REAL TIME CLOCK EN1B-0203GE51 R0507C 12 Changing Operating Modes Fig. 7 shows the six operating modes. After power-up the controller version is displayed and the controller enters the standard display mode. In this mode, selected input or output val...

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 mode returns automatically to standard display mode. Inputs that have not been confirmed by the SET button are ign...

R7426A,B,C TEMPERATURE CONTROLLER WITH 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 type = H...

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