Como OT
Open Therm Room Temperature Controller
Installation and Operating Manual
Please observe the safety instructions and read through this manual carefully before commissioning the equipment.
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Page 1: ...Como OT Open Therm Room Temperature Controller Installation and Operating Manual Please observe the safety instructions and read through this manual carefully before commissioning the equipment 12 47...
Page 2: ...rous situations Installation Information on installation and starting the equipment up as well as a connection diagram are provided in Part 3 of this manual Description Declaration of conformity This...
Page 3: ...ages 10 Enter time and weekday 11 Enter heating programs 12 Timer heating program adjustment 12 Enter holiday program 14 Overview of expert values 15 Overview of code protected valued 16 TSP Transpare...
Page 4: ...selected operating mode is represented by a symbol in the display It takes effect when the selected setting remains unchanged for 5 sec The following operating modes are available for selection i Sta...
Page 5: ...rt setting display set duration of heating time interruption press 1 hour for each actuation press 1 hour for each actuation press 3 seconds Heating circuit switches to economy mode for the rest of th...
Page 6: ...mperature set on the controller is not affected Turn clockwise Warmer 1 C 2 F per dot Turn counterclockwise Colder 1 C 2 F per dot A Current time B Set room temperature represented in degrees Celsius...
Page 7: ...elect the level in which the value to be changed is located Overview on the following pages Press the Prog key Open Select the level Use the Plus Minus keys to locate the value Overview on the followi...
Page 8: ...the 1st heating program e g for working day HTG PROG 2 Set the 2nd heating program e g for holiday HOTW PROG Set the hot water program HOLIDAY Set the start and duration of the holiday period EXPERT...
Page 9: ...F C Value RETURN T ROOM DES 1 3 Set room temperature for the 1 2 or 3 heating period T REDUCED Set room temperature for the night T ABSENCE Set room temperature for the holiday period T DHW 1 Set hot...
Page 10: ...ure C F Current set temperature RETURN T FLOW Only with 2nd heating circuit Displays the current flow temperature of the 2nd heating cir cuit C F calculated value RETURN MODULATION Display of the curr...
Page 11: ...r USER in the display 2x Plus key TIME DATE Press the Prog key Time and E Use the Plus Minus keys to change the value Press and hold the key to scroll the value From the minute 00 15 30 or 45 in steps...
Page 12: ...pen weekday block see left I ON 20 C 68 F First switch on time set value I 20 C 68 F Set first switch on time for example 6 00 hrs Confirm first switch on time I OFF 20 C 68 F First switch off time se...
Page 13: ...ing time 3 Mo Tu We Th Fr Sa Su Heating program 2 Factory setting Mo to Fr 06 00 to 08 00 16 00 to 22 00 Sa and So 07 00 to 23 00 Heating time 1 Heating time 2 Heating time 3 Mo Tu We Th Fr Sa Su Hot...
Page 14: ...y HOLIDAY and remaining days e g 00 Prog key Display SART HOLID and E Enter the number of days in which the holiday starts The start is always assumed at 12 00 pm Please do not enter the day of travel...
Page 15: ...the start of the heating time MAX OPT TIME Maximum time advance see Pg 19 Heating starts in advance maximally the amount of time set here N OPTI TIME Required time advance see Pg 19 Heating will start...
Page 16: ...ime heating only with tank operation When the function is activated the hot water tank is heated to 65 C 149 F with every heat up operation or at least once a week on Saturdays at 1 00 a m to kill off...
Page 17: ...the first boiler parameter Scroll through the individual values in the level A description of the values displayed and their significance is provided in the boiler documents To change the values Selec...
Page 18: ...e only with outdoor sensor connected Terminals 5 6 The adaptation is only activated at outside temperatures below 8 C 46 F when the room temperature is below 18 C 64 F During the adaptation warm up of...
Page 19: ...eating has been advanced for today display only Adaptation of room sensor This value can reduce the following disturbance variables for measuring the room temperature Production related deviation of t...
Page 20: ...ton simultaneously release Reset button and keep Prog key pressed until EEPROM appears All set values are reset to their default values except heating programs and hot water program Error numbers A Er...
Page 21: ...er to the boiler documents for their respective significance Communication with the boiler When the communication symbol appears in the display data exchange with the boiler is possible If this symbol...
Page 22: ...remote telephone switch Terminals 3 4 if required 4 Connect the outdoor sensor Terminals 5 6 if required 5 Snap on the top part of the controller position and hook in at the center of the top edge us...
Page 23: ...before starting up the equipment 2 Install the controller and switch on the boiler 3 Wait until the display appears in the operating unit 4 Wait until communication to the boiler is established 5 Set...
Page 24: ...s according to the set mode of operation or the set heating program Technical data Supply voltage OT 15 V DC with current limitation 13 mA Current consumption 5mA Type of protection complying to EN 60...
