Imit Duo Plus Instruction Manual
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Imit Duo Plus Instruction Manual

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DUO PLUS
Instruction manual

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Summary of Contents for Imit Duo Plus

  • Page 1 DUO PLUS Instruction manual...

  • Page 2: Table Of Contents

    SUMMARY 1. Introduction pag. 3 2. Technical data 3. Display readings key 4. Thermostat controls key 5. Dimensions 6. Installation and connections 7. Thermostat start-up 8. Clock setting 9. Program setting 10. Temperature setting 11. Normal operation conditions 12. Override mode 13.

  • Page 3: Introduction

    1. INTRODUCTION Thank you for your confidence in our company and for choosing our products. This is an easy programming, high-styling design, 24-HOUR electronic THERMOSTAT. It allows an extremely accurate room temperature adjustment in the hosting room; thus meeting any users' needs as far as room COMFORT. IN ACCORDANCE WITH THE STANDARDS: IN ACCORDANCE WITH GUIDELINES: •...

  • Page 4: Technical Data

    2. TECHNICAL DATA POWER SUPPLY= N°2 1.5V alkaline batteries, type LR6 NORMAL TEMPERATURE RANGE “T1” = 5°÷30°C REDUCED TEMPERATURE RANGE “T2” = 6°C/16°C (winter mode) 23°C/26°C (summer mode) ROOM TEMPERATURE RANGE ON DISPLAY= 0/40°C (accuracy 0.1°C) TEMPERATURE UPDATING= once a minute TEMPERATURE DIFFERENTIAL= 0.2÷0.4K SENSING ELEMENT = NTC 2% DEGREE OF PROTECTION= IP 20...
  • Page 5 ANTIFROST= 6°C fixed PROGRAMMING= daily PROGRAM SETTING = by micro-switches MINIMUM PROGRAMMING RANGE= 1 hour SOFTWARE CLASS A SET-TEMPERATURE OVERRIDE MODE DISPLAY LCD WINTER/SUMMER SWITCHING (heating/ air conditioning) UNIT RESET KNOB LOCK MOUNTING= to the wall...

  • Page 6: Display Readings Key

    3. DISPLAY READINGS KEY Operating Reduced On display: current time system and room temperature. temperature “T2” Summer (air conditioning) Winter (heating) Low batteries Antifrost function Proper set confirmation Operating program activated “Override” mode Time/temperature chart activated of the activated program...

  • Page 7: Thermostat Controls Key

    4. THERMOSTAT CONTROLS KEY Reset button Knob for normal temperature “T1” setting “Override” button Reduced temperature “T2” selector Microswitches for current time Summer ( ) or winter ( ) and operating program setting mode selector...

  • Page 8: Dimensions

    5. DIMENSIONS 60 mm 130 mm 1,5 mm 27 mm 83,5 mm...

  • Page 9: Installation And Connections

    6. INSTALLATION AND CONNECTIONS SAFETY INSTRUCTIONS Before connecting the thermostat, 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 inside the thermostat base (250V~ max).
  • Page 10 INSTALLATION C) Remove the screw inside the battery compartment... A) Open the front cover by lifting its left side ...remove the base from the frontal part of the thermostat... B) Remove the battery-compartment lid by pressing along the arrow...
  • Page 11 ... then fix it to the wall according to the installation require- ments, as shown in the figures. Mounting on three module buit-in std box. Wall mounting Distance between center lines of 83,5 mm. Mounting on round box. Distance between center lines of 60 mm.
  • Page 12 D) Connect the wires to the terminals as per wiring diagram (see next paragraph “wiring connections”), snap the unit back to its base and tighten it with the provided screw. E) Insert n°2 1.5V alkaline batteries, type LR6 into the battery compartment, making sure that the proper polarities are maintained.
  • Page 13 F) Close the battery compartment by matching the two top tabs in their slots (1) and then pressing on the bottom ones (2). BATTERY REPLACEMENT When the display shows a blinking “ ”(low batteries), the thermostat will still work properly for another month, after that it will stop working and four “EEEE”...
  • Page 14 Once the batteries are replaced, close the battery compartment lid, press the reset button (R) and reset the time as described in chapter 8 (clock setting). WIRING CONNECTIONS Connect the wires of UNIT TO BE CONTROLLED to terminal 1 and 2 of the thermostat (see wiring diagram). WARNING: We strongly recommend that, while installing the thermostat, all safety instructions and laws in force be strictly followed.

  • Page 15: Thermostat Start-Up

    7. THERMOSTAT START-UP After inserting the batteries, thus powering the thermostat, press the reset button (R) for 2-3 seconds with a pencil point. All the available cursors and symbols will then be displayed for a few seconds (self-test). The thermostat is then ready for CLOCK SETTING.
  • Page 16 blink) (fig.3). • Switch the micro-switch “5” to set the third digit on the display (the fourth digit will blink) (fig.4). (fig. 2) • Switch again the micro-switch “5” to set the fourth digit on the display, thus completing the MINUTE setting. The current time (fig.

  • Page 17: Program Setting

    - The CLOCK SETTING procedure may be start again at any given time by pressing the reset button (R). (fig. 5) 9. PROGRAM SETTING Only after the clock is set, the program can be set. The thermostat is equipped with a series of micro-switches, with 24 little switches, one for each hour of the day. Therefore, the program is the same for every day of the week.

  • Page 18: Temperature Setting

    10. TEMPERATURE SETTING • To set the NORMAL temperature “T1”, simply turn the knob “sun ” until the little reference triangle on the front of the ther- mostat points to the desired temperature on the temperature scale. • REDUCED temperature “T2” may be chosen between (fig.

  • Page 19: Normal Operation Conditions

    11. NORMAL OPERATION CONDITIONS During “normal operation” the room temperature is displayed for 20 seconds (indicated by °C TA), alternating with the display of current time for 10 seconds. The following values are displayed as well (see chapter 3): The REDUCED temperature value (indicated by °C T2) The operational program chart with its temperature levels T1 and T2 The symbol “clock”...

  • Page 20: Summer/Winter Setting

    display (fig.8). NOTE:Pressing the F button when the thermostat is in “override” at NORMAL temperature “T1”, it takes the unit back to normal operation under the ACTIVE program, indi- cated by the symbol “clock” ( ) and by the reading “OK- OK”...

  • Page 21: Knob Lock

    14. KNOB LOCK The “sun” knob, which sets the NORMAL temperature “T1”, may be locked, making it possible for the thermostat to be used in public places, without possibility to change the set temperature. How to do it: After removing the HOLE-CAP inside the base (fig. 10), remove the knob from its seat and replace it with the HOLE-CAP itself (figs.11 e 12).

  • Page 22: Troubleshooting

    16. TROUBLESHOOTING PROBLEM POSSIBILE CAUSE SOLUTION The thermostat does not turn on 1. Replace batteries 1. Low batteries 2. Check for proper polarities 2. Batteries improperly installed 3. Press reset (R) 3. False contact The system does not start/does not 4.
  • Page 23 PROBLEM POSSIBILE CAUSE SOLUTION The displayed room temperature 9. Wrong location of the thermostat 9. Follow the instructions in chapter 6, does not correspond to the real one in the installation room paragraph “placement”. 10.Air draft coming from the wire 10.Seal the conduit to prevent hot or conduit cold air drafts...

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