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Summary of Contents for Vemer VE312500
- Page 1 Cronotermostato Digitale Mithos Manuale d’Uso User Manual DIGITAL PROGRAMMABLE THERMOSTAT...
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Page 3: Table Of Contents
■ Assembly Page ■ Dimensions Page ■ Connection diagrams Page ■ Safety warnings Page ■ Technical characteristics Page ■ Control elements / display indications Page ■ Initial start-up / Reset Page ■ Clock setting Page ■ Programs setting Page ■ Temperatures setting Page ■... - Page 4 winter and in summer (heating/air conditioning) - 32 - Mithos Programmable Thermostat User Manual...
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Page 5: Assembly
It is advisable to place the programmable thermostat in an area that mirrors, as much as possible, the conditions of average temperature of the entire environment. Avoid installing too close to doors, windows, heat sources, direct sunlight radiation, and positions with excess or total lack of air inlet. It is moreover advised to install the environment programmable thermostat at about 150 cm from the floor. -
Page 6: Dimensions
DIMENSIONS CONNECTION DIAGRAM X.Temp X.Code - 34 - Mithos Programmable Thermostat User Manual... -
Page 7: Technical Characteristics
■ Mithos is an electronic wall-mounting weekly programmable thermostat that executes B1 type actions with a class A software and is suitable for environments with a pollution degree of 2 and overvoltage category III (EN 60730-1). Mithos Black Wall-mounting weekly programmable thermostat Mithos White Wall-mounting weekly programmable thermostat FR.Mithos... - Page 8 - ON/OFF with differential setting between 0.1°C and 1°C - PROPORTIONAL with proportional band and regulation period setting – 0°C ÷ +50°C (internal probe) – -40°C ÷ +60°C (external probe) - Output: 3 poles 1.5mm for bistable relay - Input: 2 poles 1.5mm for external probe 2 poles 1.5mm...
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Page 9: Control Elements / Display Indications Page
Control elements ■ " manual operation increases the selected field or displays the daily maximum temperature decreases the selected field or displays the daily minimum temperature 4) " confirms the set data activation and deactivation of the programmable thermostat 6) " selects temperature 7) "... - Page 10 display indications ■ Field Field Field Field Field Field Field Field Field Field Field (not used) Field Field - 38 - Mithos Programmable Thermostat User Manual...
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Page 11: Initial Start-Up / Reset
INITIAL START-UP / RESET Insert the battery and press the "R" key using a point. All the display segments will turn on and the relay will be activated for 3 seconds; after this, the clock field will start at 12:00 and will flash until the clock is set. Attention will not adjust;... - Page 12 At this point, the minutes digit will start flashing. Use the " " and " " keys to increase or decrease the field and press " " to confirm. Repeat the procedure to set the hours. Once the value for the hours is set, field will display a flashing value of the year, field the value of the month and field...
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Page 13: Programs Setting
PROGRAMS SETTING Pressing the "PRG" key on field will display the indication regarding Monday, field will display the selected program flashing (in the example: P1), field will display "Pro", field will display the graphic trend of the corresponding program and will activate symbol depending on the set operation (summer or winter). - Page 14 With the keys, it is possible to modify the temperature selected for that hour and, at the same time, move on to the next one. Using the " " and " " keys, it is possible to move from one hour to the next without modifying the set temperature.
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Page 15: Temperatures Setting
TEMPERATURES SETTING In any of the operation modes, pressing keys will bring field to display the writing corresponding to the temperature that is being modified; on field the value of the aforementioned temperature will flash. With the " " and " "... -
Page 16: Manual Operation
MANUAL OPERATION During automatic operation, when pressing the " " key, the system will act as a normal thermostat with operating temperature Tm. Field will show the current time. Field will show the current date. Field will display the writing "SEt". The symbol will appear. - Page 17 To move from winter to summer operation (or vice versa), press the " " key with a point On field the writing "rISC" (or "Cond") will flash and the symbol " " (or " ") will appear. With the " "...
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Page 18: Timing
To deactivate the programmable thermostat press the " " key. The display will show the " " symbol. Once deactivated, during winter operation the programmable thermostat will activate the antifreeze function to ensure that the temperature does not decrease below a certain threshold. Such temperature value is set in advanced programming (see "Antifreeze temperature"... - Page 19 the end of the timing; operation will then switch to automatic. If, during the timing, operation is switched to manual or off, the timing ends. Timed deactivation If in off status you set a timing, such off status will be maintained until the end of the timing;...
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Page 20: Regulation Type
parameters: - regulation type - parameters for regulation type - antifreeze temperature - temperature measurement unit - external probe presence - regulation probe selection - keypad lock password - system operation hours - battery charge status the "PRG" key for more than 3 seconds. The parameter to be modified will flash;... - Page 21 " " and " " keys, choose the desired regulation mode and press " " to confirm and move to the setting of the next parameter. (only for winter operation) regulation type, the only parameter to be set is the differential.
- Page 22 (only for winter operation) maintained in case the programmable thermostat is deactivated. Field will display the writing and on field the antifreeze temperature value currently set will flash. Press the ” and ” keys to increase or decrease the temperature value.
- Page 23 Field will display the writing and on field the selected option will flash. Choose or "nO" to enable or disable the display of the temperature measured by the external probe. If you choose when you exit the menu, field will display the writing followed by the value of the temperature measured by the probe.
- Page 24 It is possible to choose a three digit value to be used to unlock the keypad. Field will display the writing and on field the password value currently set will flash (the default set value is ). Using the " "...
- Page 25 It is possible to view the battery charge status. Field will display the writing and field will show the percentage value of the charge level. Since this is the last parameter of the sequence, pressing the " " key will exit the menu and return to automatic operation.
- Page 26 To modify the set values, press the "PRG" key. The parameter corresponding to the modification will start flashing. Press the ” and ” keys to modify the values and ” to confirm. The settings for both menus are, in order: - week of the month first, second,...
- Page 27 In case you want to install the programmable thermostat in public environments, it is possible to lock the keypad simply by simultaneously holding keys for 3 seconds. The display will show the writing "BLOC". To unlock the keypad, press the keys again for 3 seconds and input, using the "...
- Page 28 During winter operation, in case of sensor failure, in order to avoid problems regarding freezing, the programmable thermostat activates the relay for 10 minutes every 4 hours and field will display the "---" symbol. Simply pressing the "R" key will not cause a total reset of the instrument. To do so and allow the loading of the default values, it is necessary to press the "R"...
- Page 29 Half the desired regulation band is set in the device. The range for this parameter is 0.5 ÷ 5.0°C with 0.1°C resolution The regulation period represents the duration of the regulation cycle (activation period + deactivation period) The value of this parameter is selectable between 10', 20' and 30' Choose the regulation period value as follows: Choose the regulation band value as follows: When the battery is almost...
- Page 30 The replacement of batteries must take place within maximum time of one minute in conditions of flashing display. Beyond this time, date and time will be lost and must be reset upon next activation. However, the executed programs will remain memorized. The use of strictly alkaline batteries is recommended.
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Page 32: Summer Programs
SUMMER PROGRAMS - 60 - Mithos Programmable Thermostat User Manual... - Page 34 Vemer S.p.A. I - 32032 Feltre (BL) Via Camp Lonc, 16 Tel +39 0439 80638 Fax +39 0439 80619 e-mail: info@vemer.it - web site: www.vemer.it...
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