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6.2.3 - Thermoregulation - Choosing the operating modes

The MODO FUNZ parameter is one of the most important to be adjusted. On the basis of the setting of this
parameter, the type of thermoregulation to be used in the system is chosen. Therefore, it is indispensable to
choose the type of thermoregulation carefully, in relation to the type of system owned, in order to achieve the best
degree of comfort envisaged.
Pressing key KM down for more than 10 seconds, then key K2 (IMP), and subsequently key K4 (>>) until MODO
FUNZ is displayed, it is possible to select, using keys K+ e K-, one of the 4 types of thermoregulation available:
1 · room thermoregulation with set supply temperature
2 · room thermoregulation in relation to the room temperature
3 · room thermoregulation in relation to the external temperature, with or without room temperature
4 · thermoregulation with exclusion of the room temperature and two-point adjustment

Room thermoregulation with set supply temperature (MODO FUNZ = 1)

The user sets the room temperature desired and the remote control generates a heat request  to the boiler (pump
comes on), every time the room temperature falls below the temperature requested. Vice versa, every time the
room temperature rises above that set, the remote control interrupts the heat request to the boiler (pump switches
off). In this operating mode, the supply temperature to the radiators is set at the value set on the REG RISCALD
parameter (see section 6.2).
This type of thermoregulation is recommended for a system with radiators or convector fans

Room thermoregulation in relation to the room temperature (MODO FUNZ = 2)

The heating supply temperature is calculated using a PID type algorithm so that the room temperature, read by
the remote control, corresponds with that set by the user; the value calculated corresponds to the value of the
heating supply temperature (TEMP CALC parameter, see section 6.1). This value however is always limited to the
value set on the REG RISCALD parameter (see section 6.2.8).
This type of thermoregulation is recommended for systems with radiators, convector fans or radiant panels where
the temperature of the room where the remote time control is located is characteristic of all the rooms heated.

Room thermoregulation in relation to the external temperature, with or without
room temperature (MODO FUNZ = 3)

The heating supply temperature is calculated using a formula which takes into account the CURVA EST  selected
(see section 6.2.1); the value calculated (TEMP CALC parameter, see section 6.1) corresponds with the setting of
the heating supply temperature. This value however is always limited to the value of  the REG RISCALD parameter
set (see section  6.2.8).
In this operating mode, if the COMPENS AMB parameter (see section 6.2.2) is set at zero, the adjustment of the
supply temperature is made without considering the room temperature read by the remote control. Therefore, the
installer will have to find the right angle of the line, adjusting the CURVA EST parameter as per section 6.2.1 and
the right parallelism, adjusting the room temperature as per sections 5.2 and 5.8.
This type of thermoregulation is recommended for a system with radiant panels where the rooms heated are
served by room thermostats which act on the area valves, or in systems where it is not possible to install the
remote control in a place where the room temperature registered is characteristic of the building. In such cases,
the supply temperature is adjusted exclusively in relation to the external temperature according to the ratio shown
in the graphs as per figures 4 and 5.

If the COMPENS AMB parameter (see section 6.2.2) is set at a value other than zero, the room temperature
registered by the remote time control intervenes to correct the supply temperature on the basis of the matters
already illustrated in section 6.2.2 and figures 6 and 7.
This type of thermoregulation is recommended for a system with radiant panels where the temperature of the
room in which the remote time control is located is characteristic of all the rooms heated.

In all the afore-mentioned cases, when the external temperature is greater than the calculated supply temperature
(parameter TEMP CALC as per section 6.1), the heating is shutdown.

Thermoregulation with exclusion of the room temperature and two-point

Summary of Contents for CR04

Page 1: ...TRUCTIONS FOR THE INSTALLATION AND USE OF THE CR04 REMOTE CONTROL 62403440 R01 17 01 2008_GB IE PLEASE READ THE MANUAL CAREFULLY IT CONTAINS IMPORTANT INFORMATION REGARDING SAFETY INSTALLATION USE AND MAINTENANCE OF THE APPLIANCE ...

Page 2: ...d operating mode 12 5 12 Indication of boiler with burner on 12 5 13 Indication of presence of anomalies 12 6 Installers menu 13 6 1 Displaying the system parameters 13 6 2 Displaying and changing the system parameters 14 6 2 1 Thermoregulation Setting the gradient 15 6 2 2 Thermoregulation Correction with room temperature 16 6 2 3 Thermoregulation Choosing the operating modes 18 6 2 4 Hour type d...

Page 3: ...This device must be installed by a professionally qualified technician observing national and local legislation as well as the instructions contained in this manual 1 Main features The CR04 series remote control acts as a time programmable thermostat a thermoregulator and a remote control It can be used as an initial installation device or as an optional extra connecting it to COSMOGAS boilers app...

Page 4: ...mode the remote control display shows a two letter code in the field used to indicate the current day which identifies the menu displayed 5 Users menu It is possible to carry out the following operations in User mode selection of the operating mode off domestic hot water with heating only domestic hot water only heating automatic or manual operation of time programmable thermostat adjustment of do...

Page 5: ...r and minutes the value of the room temperature the tap symbol the timer bar if related function enabled Only heating The domestic hot water function is disabled and the functions relating to the heating are enabled in this operating mode The display shows current day hour and minutes the value of the room temperature the radiator symbol the timer bar if related function enabled 5 2 Automatic or m...

Page 6: ... has been selected it is possible to make the following choice TIMER Return to the operating mode takes place automatically after 2 minutes or manually using the KM key By pressing key K4 TIMER the TIMER heating mode function is enabled effectively the manual functioning of the time programmable thermostat is forced for a given period of time set on DURATION using the K e K keys at a room temperat...

Page 7: ...on the display when the TIMER SAN wording lights up or in the event that the heating timer function is also active the TIMERS wording is shown Once the timing has elapsed the domestic hot water mode returns to that active before the setting of the TIMER domestic hot water mode It is possible to interrupt the function in question at any given moment In order to do so after having selected the domes...

Page 8: ...repeat the above procedure selecting a new T0 T1 or T2 temperature level Once the programming of the day has been carried out just press key K3 COP in order to copy the same programming to the next day then press key K1 GIO in order to select the following day whose time will have the same programming made above then press K3 COP once again so as to copy the programming to the next day and so on f...

Page 9: ...ramme loaded in the memory Having loaded and possibly customized the pre set programme just press key KM to save it and return to the main page If the display shows the histogram bar 11 as per figure 3 it means that the programme set above is already active If this is not so follow the instructions in section 5 2 to activate it The pre set programmes are as follows Programme 1 ...

Page 10: ... operating timeband So as to shift from one part of the timer to another over 24 hours without changing the setting made previously proceed as follows press key K2 IMP then press key K1 the display returns to the clock display thus move between the hours using the keys K e K until reaching the desired time repeat the above procedure selecting a new ON or OFF operating timeband Once the programming...

Page 11: ...hroughout the entire day if set at 2 it means that the operating time programme for the domestic hot water is independent from the heating time programme if set at 3 it means that the operating time programme for the domestic hot water is linked to the heating time programme All the parameters can be changed using the keys K o K Return to the operating mode takes place automatically after 2 minute...

Page 12: ...5 hours on start up said remote control positions itself automatically in day and hour programming mode see section 3 for re setting 5 12 Indication of boiler with burner on The display shows the flame symbol indicating that the boiler s burner is on 5 13 Indication of presence of anomalies In the presence of anomalies the display shows the flashing alarm symbol and the wording ANOMALY If the anom...

Page 13: ...y KM for about 10 seconds and then using key K1 INFO the menu for the display of the operating parameters of the remote time control is selected Using keys K1 and K4 it is possible to display the information listed below TMP ESTERNA external temperature PRESSIONE data not available TMPMANDATA boiler temperature BRUCIATORE data not available TMP SAN domestic hot water temperature only with water he...

Page 14: ...Pre setting of T2 room temperature see section 6 2 9 REG SAN Pre setting of domestic hot water temperature see section 6 2 10 RIEMPIMENTO Pre setting of system supply type see section 6 2 11 CORR TAMB Correcting the room temperature read see section 6 2 12 IMP FABBRIC Factory settings see section 6 2 13 The change of each parameter can be carried out by using the keys K o K within the range permit...

Page 15: ...mperature Normally the adjustment of just the CURVAEST gradient as per the graph in figure 4 is not enough to adjust the supply temperature exactly in relation to the external temperature For this purpose it is possible to adjust the parallelism of this line as well taking action directly on the remote time control requesting a room temperature other than 20 C Figure 5 shows how the line in this c...

Page 16: ...ct setting of the room compensation value COMPENS AMB are the compensation of the room temperature makes it possible to put the heating system in steady state much faster and automatically compensate the imperfect selection of the CURVA EST the higher its value the quicker the putting of the heating system in steady state is too high a value may cause the system to react too quickly involving the ...

Page 17: ...B 8 COMPENS AMB 4 COMPENS AMB 0 Delta calculated by the compensation of the room temperature CURVAEST without influence of room compensation COMPENS AMB 0 Calculated supply temperature TEMP CALC C External temperature TMP ESTERN C Delta on calculated supply temperature C Current room temperature C COMPENS AMB 20 COMPENS AMB 10 COMPENS AMB 6 COMPENS AMB 4 COMPENS AMB 2 Reference conditions CURVA ES...

Page 18: ...tems with radiators convector fans or radiant panels where the temperature of the room where the remote time control is located is characteristic of all the rooms heated Room thermoregulation in relation to the external temperature with or without room temperature MODO FUNZ 3 The heating supply temperature is calculated using a formula which takes into account the CURVA EST selected see section 6 ...

Page 19: ...r at 1 one obtains the 24 hour display whilst setting it at 2 the 12 hour display is shown 6 2 5 Domestic hot water programme type Pressing the KM key down for more than 10 seconds and then key K2 IMP followed by key K4 until PROGR SAN is displayed it is possible to select using keys K e K the operating of the domestic hot water function in the following manner 1 domestic hot water service always ...

Page 20: ...e heating function see section 5 8 The operation for adjusting TMP AMB T0 TMP AMB T1 and TMP AMB T2 corresponds with the same regulation as per section 5 9 If the MODO FUNZ parameter has been set at 4 see section 6 2 3 the adjustment of TMP AMB T0 TMP AMB T1 and TMP AMB T2 is disabled 6 2 10 Pre setting of domestic hot water temperature Pressing the KM key down for more than 10 seconds and then ke...

Page 21: ...n section 6 2 6 3 Diagnostics 6 3 1 models AXIA Ei BMS Ei and BME Ei Pressing the KM key down for more than 10 seconds and then key K3 ERR a menu of diagnostic faults is selected The menu permits the display of the last functioning anomaly of the boiler and or the remote control according to the following scheme Description of operating error Error number Domestic hot water sensor or water heater ...

Page 22: ...han 10 seconds and then key K4 it is possible to access page 2 of the menus Using key K1 LING the menu for selecting the user language is selected The wording corresponding to the set language Italian French or English is shown on the display Using keys K o K it is possible to select the desired language from among those available ITALIANO Italian FRANCAIS French ENGLISH By pressing key K4 OK the ...

Page 23: ...he terminal board from its housing and connect the two wires see figure 10 Then replace the terminal board in its housing and close the remote control see figure 11 Figure 8 Removal of front part 6 7 Installation The remote control is connected to the boiler by means of the connection of two unpolarized wires which must run in ducts other than those containing the 230 Vac power lines The remote co...

Page 24: ...COSMOGAS s r l Via L da Vinci 16 47014 MELDOLA FC ITALY info cosmogas com www cosmogas com ...

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