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22

16. TROUBLESHOOTING

PROBLEM                     POSSIBILE CAUSE

SOLUTION

The thermostat does not turn on

The system does not start/does not
start at the preset time

1. Low batteries
2. Batteries improperly installed
3. False contact

4. Wrong wiring
5. Wrong program setting
6. OVERRIDE mode is on
7. Wrong summer/winter setting
8. Wrong current time setting

1. Replace batteries
2. Check for proper polarities
3. Press reset (R)

4. Check the wiring of the load with 

the terminals of the thermostat 
(#1 and #2)

5. Check the proper time setting in the

program (ex: micro-switch #7 
activates the boiler from 7:00 to 
7:59 a.m.)

6. Disable the mode at issue
7. Make sure that the display shows 

the symbol “igloo” (if connected to a
boiler) or the symbol “sun” (if 
connected to an air-conditioner) 

8. Check the current time and, if 

wrong, reset it

LIBR. DUO PLUS INGLESE standard  24-01-2000 14:46  Pagina 23

Содержание Duo Plus

Страница 1: ...DUO PLUS Instruction manual LIBR DUO PLUS italiano 24 01 2000 11 57 Pagina 2...

Страница 2: ...Installation and connections 9 7 Thermostat start up 15 8 Clock setting 15 9 Program setting 17 10 Temperature setting 18 11 Normal operation conditions 19 12 Override mode 19 13 Summer winter setting...

Страница 3: ...It allows an extremely accurate 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 updating EN 607...

Страница 4: ...E 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 OUTPUT switching relay CONTACTS RATING 5...

Страница 5: ...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 5...

Страница 6: ...splay current time and room temperature Summer air conditioning Winter heating Reduced temperature T2 Antifrost Proper set confirmation Time temperature chart of the activated program Operating system...

Страница 7: ...on Knob for normal temperature T1 setting Reduced temperature T2 selector Summer or winter mode selector Override button Microswitches for current time and operating program setting LIBR DUO PLUS INGL...

Страница 8: ...5 DIMENSIONS 8 60 mm 83 5 mm 27 mm 1 5 mm 130 mm 88 mm LIBR DUO PLUS INGLESE standard 24 01 2000 14 46 Pagina 9...

Страница 9: ...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 PLACEMENT OF THE THERMOSTAT Install the thermostat aw...

Страница 10: ...ing its left side B Remove the battery compartment lid by pressing along the arrow remove the base from the frontal part of the thermostat C Remove the screw inside the battery compartment LIBR DUO PL...

Страница 11: ...n require ments 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 LIB...

Страница 12: ...nsert 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 compartment...

Страница 13: ...tteries the thermostat will still work properly for 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...

Страница 14: ...nnect 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...

Страница 15: ...E 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 By switching down or up the micro switches positio...

Страница 16: ...g The current time is now displayed NOTE When the CLOCK SETTING procedure is completed or in case it is not completed within 10 minutes from start up the thermostat will automatically start the OVERRI...

Страница 17: ...is very simple move up the switches position T1 for the amount of hours you want the temperature set with the sun knob NORMAL temperature On the contrary lower the swit ches position T2 for the amount...

Страница 18: ...oints to the desired temperature on the temperature scale REDUCED temperature T2 may be chosen between 6 C 16 C when in winter mode and between 23 C 26 C when in summer mode using the selector on the...

Страница 19: ...t the boiler or the air conditioner are on 12 OVERRIDE MODE This function allows the OVERRIDE of the running program so that the thermostat keeps CONSTANTLY one of the two tem perature levels NORMAL T...

Страница 20: ...ing OK OK on the display 13 SUMMER WINTER SETTING The thermostat can be programmed for summer or winter operation whether is connected to the air conditioner or to the boiler Switch the selector on th...

Страница 21: ...he HOLE CAP itself figs 11 e 12 WARNING THE REPLACEMENT OFTHE KNOB WITHTHE HOLE CAP MUST BE CARRIED OUT ONLY BY QUALIFIED PERSON NEL 15 UNIT RESET When the reset key R is pressed the thermostat runs a...

Страница 22: ...e setting 1 Replace batteries 2 Check for proper polarities 3 Press reset R 4 Check the wiring of the load with the terminals of the thermostat 1 and 2 5 Check the proper time setting in the program e...

Страница 23: ...e thermostat 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 alkaline batteries...

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