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CRX/E PLUS

Instruction manual

LIBR. CRX/E ITALIANO 24-01-2000 16:26 Pagina 2

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Summary of Contents for CRX/E Plus

Page 1: ...CRX E PLUS Instruction manual LIBR CRX E ITALIANO 24 01 2000 16 26 Pagina 2...

Page 2: ...ation and connections 9 7 Chronothermostat start up 16 8 Clock setting 16 9 Program setting 19 10 Temperature setting 21 11 Normal operation conditions 22 12 Override mode 22 13 Summer winter setting...

Page 3: ...MOSTAT It allows an extremely accura te room temperature adjustment in the hosting room thus meeting any users needs as far as room COMFORT IN ACCORDANCE WITHTHE STANDARDS EN 60730 1 and later updatin...

Page 4: ...URE RANGE ON DISPLAY 0 40 C accuracy 0 1 C TEMPERATURE UPDATING once a minute ADJUSTABLE TEMPERATURE DIFFERENTIAL 0 2K or 0 8K SENSING ELEMENT NTC 2 DEGREE OF PROTECTION IP 20 OUTPUT switching relay C...

Page 5: ...TING by micro switches buttons MINIMUM PROGRAMMING RANGE 1 hour SOFTWARE CLASS A SET TEMPERATURE OVERRIDE MODE DISPLAY LCD WINTER SUMMER SWITCHING heating air conditioning UNIT RESET MOUNTING to the w...

Page 6: ...y current time and room temperature Days of the week Summer air conditioning Winter heating Reduced temperature T2 Antifrost Proper set confirmation Time temperature chart of the activated program Ope...

Page 7: ...n Programming confirmation button Knob for normal temperature T1 setting Differential selector Summer or winter mode selector Override button Microswitches for current time and operating setting Acces...

Page 8: ...5 DIMENSIONS 8 60 mm 83 5 mm 27 mm 1 5 mm 130 mm 88 mm LIBR CRX E INGLESE 24 01 2000 16 42 Pagina 9...

Page 9: ...at make sure that the UNIT TO BE CONTROLLED boiler pump air conditioning system etc is NOT CONNECTED from the electrical source Make also sure that the power supply is the same as the one specified in...

Page 10: ...E CHRONOTHERMOSTAT Place the chronothermostat away from heat sources radiators sunrays kitchens and away from doors windows etc Install the thermostat 1 5 Mt from the floor 10 LIBR CRX E INGLESE 24 01...

Page 11: ...ifting its left side B Remove the battery compartment lid by pressing along the arrow remove the base from the frontal part of the chronothermostat C Remove the screw inside the battery compartment LI...

Page 12: ...lation requirements as shown in the figures Mounting on round box Distance between center lines of 60 mm Mounting on three module buit in std box Distance between center lines of 83 5 mm Wall mounting...

Page 13: ...ew E Insert n 2 1 5V alkaline batteries type LR6 into the battery compartment making sure that the proper polarities are maintained N B Insert the first battery into the left side of the battery compa...

Page 14: ...another month after that it will stop working and four EEEE will appear on the display battery life 1 year To replace batteries follow the steps A B E and F of the previous paragraph WARNING We recom...

Page 15: ...2 of the chronothermostat see wiring diagram WARNING We strongly recommend that while installing the chronohermostat all safety instructions and laws in force be strictly followed U load 1 common cont...

Page 16: ...n SEQUENCE as per manual 8 CLOCK SETTING During this step the display shows two hour digits and two minute digits The first digit on the left will blink fig 1 Switching down or up the micro switches p...

Page 17: ...it on the display thus completing the MINUTE setting now the day of the week little triangles will be blinking 1 Monday 2 Tuesday 7 Sunday fig 5 Switch the micro switch 3 to set on the display the lit...

Page 18: ...tat will automatically start the OVERRI DE mode shown by a blinking F T1 and the hours temperature chart on the display assuring the working at NORMAL temperature T1 sun knob fig 6 The CLOCK SETTING p...

Page 19: ...e REDU CED temperature T2 button Press OK to CONFIRM and DISPLAY Monday s setting fig 8 If changes are to be made just set the new settings by micro switches and then press OK to confirm them Press th...

Page 20: ...y fig 11 NOTE During PROGRAM SETTING if there are no operations for about one minute the unit will automatically go back to the starting mode When first installed the weekly program is set on T1 NORMA...

Page 21: ...EDUCED temperature T2 may be chosen among 6 C 14 C 16 C or 18 C in winter mode and among 38 C 30 C 28 C or 26 C in summer mode by pressing the T2 button in sequence fig 12 The chosen value of the REDU...

Page 22: ...symbol clock The reading OK OK The symbol sun or the symbol igloo for summer or winter operation The symbol flame indicating that the boiler or the air conditioner are on 12 OVERRIDE MODE This functio...

Page 23: ...erature T1 it takes the unit back to normal operation under the ACTIVE program indicated by the symbol clock and by the reading OK OK on the display 13 SUMMER WINTER SETTING The chronothermostat can b...

Page 24: ...circulating systems for example radiators or 0 8 C advisable for air circulating systems for example convectors Switch the selector on the desired position fig 15 15 KNOB LOCK The sun knob which sets...

Page 25: ...d the T2 REDUCED temperature back to 16 C winter mode or 26 C summer mode When the reset button R is pressed the chronothermostat runs a self test lighting up all the segments on the display for a few...

Page 26: ...setting 1 Replace batteries 2 Check for proper polarities 3 Press reset button R 4 Check the wiring of the load with the terminals of the chronothermo stat 1 and 2 5 Check the proper time setting in...

Page 27: ...of the chronother mostat in the installation room 10 Air draft coming from the wire conduit 11 Low batteries 12 Wrong opening procedure 13 The reset button R got stuck under the plastic 14 Non alkalin...

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