COSMOGAS ECOTOWER 13 Installation, Use And Maintenance Manua Download Page 78

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COSMOGAS

Ecotower

10 - MAINTENANCE
10.26 - Wiring diagram

Figura 10-3 - GB wiring diagram

1 - Main electrical supply 230Vac - 24Vdc

2 - Terminals block (Figure 6-22)

3 - Safety thermostat for overheating

4 - Electrical heater (6kW)

5 - PWM pump

6 - Pump

7 - Digital thermostat max 75°C

8 - Control panel

9 - Control board

10 - 3 way valve

11 - Circuit 2 temperature sensor (TV2)

12 - Circuit 1 temperature sensor (TV1)

13 - Room temperature sensor (Tr)

14 - Heating/Cooling temperature sensor (Tc)

Summary of Contents for ECOTOWER 13

Page 1: ...62403834 R00 08 06 2021_UK INSTALLATION USE AND MAINTENANCE MANUAL Split air to water heat pump with buffer tank ECOTOWER...

Page 2: ...ation of GB indoor unit 29 6 8 Choosing the installation location of STM outdoor unit 29 6 8 1 Mounting the appliance 30 6 8 2 STM outdoor unit condensate drain installation 30 6 8 3 Installation in c...

Page 3: ...conditions of the electrical system 75 10 8 Check the operation of the main switch 75 10 9 Check the temperature adjustment in heating and DHW 75 10 10 Check the good conditions and operation of the v...

Page 4: ...te collection centres R410A refrigerant This appliance contains fluorinated greenhouse gases covered by the Kyoto Protocol the installation must be carried out by an installer company authorized in ac...

Page 5: ...98 and 6 2 kW 9 Heat pump with modulating heat output between 4 33 and 10 1 kW 13 Heat pump with modulating heat output between 4 2 and 12 6 kW STM Heat pump for outdoor installation central heating c...

Page 6: ...emperature sensor Tc N 1 TV1 sensor heating cooling circuit N 1 TV2 sensor heating cooling circuit N 1 Indoor and outdoor unit connection cable N 4 Sensor extension cables N 1 Safety kit N 1 10 bar ai...

Page 7: ...ency and manage the central heating system economically with low fuel consumption to achieve a high level of safety operation to maintain a high level of environmental compatibility Offer your custome...

Page 8: ...3 Control panel 4 Digital thermostat 5 Decorative front panel 6 Front panel 7 Safety kit supplied with the accessories G1 female 8 Buffer tank cold water inlet G1 male 9 Filling cold water inlet G3 4...

Page 9: ...and connection diameters of the STM06 STM09 unit Electrical connections cover Refrigerant connection liquid line STM 06 1 4 STM 09 3 8 Refrigerant connection gas line 1 2 Valve cover Valve cover Refri...

Page 10: ...igh limit temperature protection N of pieces 3 13 6 kW electrical heater 3 3 kW 14 Pump P0 15 3 way valve 16 Safety kit section 2 2 17 Buffer tank 18 5 L expansion tank 19 3 sensors buffer tank temper...

Page 11: ...Angle 9 4 way valve 10 Electrical box 11 Electrical box cover 12 Upper cover 13 Bottom cover 14 Evapo condensing battery 15 Partition 16 Right panel 17 Floor heater wire 18 Junction box cover 19 Parti...

Page 12: ...13 Partition 14 Junction box cover 15 Liquid separator 16 Suction temperature sensor 17 Compressor discharge temperature sensor 18 Compressor 19 Lower panel 20 Valve plate 21 Refrigerant connection 2...

Page 13: ...g system and to a domestic hot water net system compatibly with the characteristics performance and power of the appliance itself Before installation it is necessary to thoroughly wash the hydronic sy...

Page 14: ...sor 13 High pressure switch 14 Compressor discharge temperature sensor 15 High pressure sensor 16 Low pressure sensor 17 Suction temperature sensor 18 Refrigerant temperature sensor TUP 19 Tc sensor i...

Page 15: ...d with accessories 23 Domestic hot water outlet 24 Cold water inlet 25 Heating cooling system filling 26 Plate heat exchanger Figure 5 3 ECOTOWER Hydraulic diagram 5 OPERATION 27 Pump P0 inside the un...

Page 16: ...and must be left inside the appliance 18 Heating Cooling thermoregulation sensor Tc 19 Indoor unit 20 DHW integrative electrical heater 1 5kW section 8 2 10 2 21 Oudoor unit power supply 22 Safety ki...

Page 17: ...and if previously enabled also enable P1 for cooling operation pump P1 is not present but for ECOTOWER work it must in any case be enabled 9 Exit from WATER PUMPS and select DHW section 8 2 3 10 Set...

Page 18: ...nnected and must be left inside the appliance 18 Heating Cooling thermoregulation sensor Tc 19 Indoor unit 20 DHW integrative electrical heater 1 5kW 21 Oudoor unit power supply 22 Safety kit hydromet...

Page 19: ...UMPS and select DHW 10 Set the DHW setpoint temperature in Setpoint DHW parameter 11 Exit this men and enter to ZONE 1 men a If the cooling function is enabled select Set temp for cooling fix flow wat...

Page 20: ...left inside the appliance 18 Heating Cooling thermoregulation sensor Tc 19 Indoor unit 20 DHW integrative electrical heater 1 5kW 21 Oudoor unit power supply 22 Safety kit hydrometer safety valve and...

Page 21: ...ER PUMPS and select DHW men 10 Set the DHW setpoint temperature in Setpoint DHW parameter 11 Exit this men and enter in ZONE 1 men a If the cooling function is enabled select Set temp for cooling fix...

Page 22: ...m temperature sensor Tr It must always be connected and must be left inside the appliance 18 Heating Cooling thermoregulation sensor Tc 19 Indoor unit 20 DHW integrative electrical heater 1 5kW 21 Out...

Page 23: ...tpoint temperature in Setpoint DHW parameter 11 Exit this men and select ZONE 1 men a If the cooling function is enabled select Set temp for cooling fix flow water temperature and set the setpoint tem...

Page 24: ...witch between heat pump and boiler when the outside temperature drops below a certain value The closure of input 14 alone is unable to start Zone 1 Since it is necessary to close both the room thermos...

Page 25: ...traps remove the packaging upwards and detach the appliance from the pallet by unscrewing the fixing screws 6 2 GB indoor unit dimensions Figure 6 1 shows the overall dimensions of the indoor unit use...

Page 26: ...2 Minimum clearances of GB indoor unit 6 3 Minimum clearances of GB indoor unit For installation and maintenance it is necessary to leave free spaces around the appliance as shown in the Figure 6 2 6...

Page 27: ...installation observe the instructions highlighted in section 6 8 For installation maintenance and especially for proper ventilation it is necessary to leave free spaces around the outdoor unit as sho...

Page 28: ...Figure 6 5 STM 06 and 09 outdoor unit dimensions Figure 6 6 STM 13 outdoor unit dimensions 6 5 STM outdoor unit dimensions Figures 6 5 and 6 6 show the overall dimensions of the outdoor units useful f...

Page 29: ...ct to its vicinity as it is a source of noise For the installation of the outdoor unit it is good to keep in mind some first information No obstacles must prevent the free circulation of air around th...

Page 30: ...he drainage of rainwater Convey the condensate drain connection to a suitable drain with siphon see Figure 6 9 Figure 6 8 Mounting the drainage fitting A 020031 01 003 6 8 1 Mounting the appliance Obs...

Page 31: ...t be installed with a sash greater than 30 m The safety drain valve must be conveyed to an anti odor siphon This drain must be designed to avoid overpressure in the event of opening the valves and all...

Page 32: ...de parts of the hot water heater shortening its life WARNING The acidity of the water must have a pH value between 6 5 and 8 5 A value outside this range is corrosive it can cause damage to the heat e...

Page 33: ...rant connection of at least 2 m making one or two horizontal rings to limit these disturbances Figure 6 10 Distances between outdoor and indoor unit A Indoor unit B Outdoor unit C Curves max number of...

Page 34: ...on the 1 fitting item 1 in Figure 3 1 located on the upper side of the indoor unit step 2 of Figure 6 12 2 Mount the safety kit item 1 Figure 6 12 on the 1 fitting in accordance with the identificatio...

Page 35: ...e of R410A gas b Perfectly insulate the pipe before connection c Check the joints to avoid leaks d Avoid excessive bending of the pipe to ensure smooth circulation of the refrigerant Figure 6 13 e Dry...

Page 36: ...ected as in Figure 6 17 6 Proceed to check the tightness of the refrigerant circuit as per section 6 15 2 62403796 01 006 Figure 6 15 Refrigerant circuit connections Figure 6 16 Tightening torque of r...

Page 37: ...door unit and vacuum pump connection LEGEND of Figure 6 18 D Tap cap C Outdoor unit charging port E Vacuum pump F Vacuum gauge 6 INSTALLATION Figure 6 17 Refrigerant connection between indoor and outd...

Page 38: ...sure reached 2 Turn on the vacuum pump and let it act for about an hour Check that the vacuum degree reached is less than 0 5 mbar 3 Close the vacuum pump valve and check that the residual pressure on...

Page 39: ...to add more fluid in the quantity of 40g for each meter exceeding 5m WARNING The maximum recommended length of the refrigerant line between the indoor and outdoor module is 15m Length pipe line m Refr...

Page 40: ...n back side These decorative panels allow further coverage of all connections at the rear of the unit To do this proceed as follows 1 Take the two L type 2 decorative panel in back side and and mount...

Page 41: ...t regulations must be provided in the vicinity of the appliance Respect the polarity between phase and neutral when connecting the appliance Make sure that the pipes of the water and heating systems a...

Page 42: ...n 9 Enable mixing valve M51 circuit 1 via the parameter Mixing valve in ZONE 1 men section 8 2 1 When the mixing valve is active also connect the relative TV1 sensor item 15 WARNING Use only mixing va...

Page 43: ...external signals 12 and 13 are closed the appliance has no priority and stops 14 Double setpoint demand see section 8 2 11 WATER PUMPS 15 Circuit 1 temperature sensor TV1 16 Circuit 2 temperature sen...

Page 44: ...on of STM outdoor unit The electrical supply to the STM outdoor unit must be given by passing through the GB indoor unit To do this proceed as follows refer to Figure 6 24 1 Remove the casing of the i...

Page 45: ...he cable to terminals A and B of the indoor unit item E 7 Access the terminal block of the outdoor unit Figure 6 23 8 Strip the cable 9 Connect the cable to terminals A and B of the indoor unit respec...

Page 46: ...not subject to sudden changes in temperature away from windows or doors that give directly to the outside see Figure 6 25 To connect the room thermostat cable proceed as follows 1 The first thermosta...

Page 47: ...e digital thermostat of Figure 3 1 To manually activate the digital thermostat proceed as follows 1 Press the button for 3 seconds to start the digital thermostat When the thermostat is off appears 2...

Page 48: ...heater KM1 item 33 Figure 6 22 2 DHW with 1 5 kW integrative electrical heater KM2 item 20 Figure 6 22 C Functions is the symbol of the current functioning mode Symbol Mode Description Economy mode Ap...

Page 49: ...hot water always has priority over heating or cooling and the latter follow the logics according to the relative parameters in section 8 2 9 By clicking on the I icon the display switches as shown in...

Page 50: ...he bottom right and left see Figure 8 3 On each page there are different icons pressing above each icon will access a group of parameters related to the selected icon To return to the home page press...

Page 51: ...urve HC1 Enabling or disabling the heating outdoor reset End user Selected Not selected Not selected Outdoor temp 1 HC Winter End user C 25 25 5 Outdoor temp 2 HC Spring End user C 25 25 20 Outdoor te...

Page 52: ...selected Outdoor temp 1 CC Don t change End user C 16 31 25 Outdoor temp 2 CC Spring End user C 26 37 32 Outdoor temp 3 CC Summer End user C 33 40 38 Water outdoor temp 1 CC1 Don t change End user C...

Page 53: ...ser C 20 55 37 Water Outdoor temp 3 HC2 Don t change End user C 20 55 22 Water Outdoor temp 4 HC2 Don t change End user C 20 55 21 Water Outdoor temp 5 HC2 Don t change End user C 20 55 20 High temper...

Page 54: ...ate modifications taking into account that Each parameter must be adjusted in small degrees After each variation wait at least 24 hours to see the result The more the adjustment parameter approaches t...

Page 55: ...COSMOGAS 8 USE Figure 8 7 Cooling outdoor reset 6 14 8 350012_b 16 18 20 22 24 10 12 26 28 30 32 34 36 38 40 42 Outdoor temperature C Supply temperature C Outdoor temp 2 Outdoor temp 3 Water temp C W...

Page 56: ...up of the DHW condi tioned priority Over this outdoor temperature value the DHW priority is total respect to the heating function End user C 15 20 15 Sanitary water min working time minutes Minimum D...

Page 57: ...g function Don t change End user Selected Not selected Not selected Reheating function timer Don t change End user Reheating set temp Don t change End user C 30 55 35 Reheating restart T setting Don t...

Page 58: ...ng or disabling of the quiet operation In this mode fans and compressor run at a reduced speed to limit noise at the expense of the overall efficiency of the system End user Selected Not selected Not...

Page 59: ...water temp drop during vacation Reduction of the domestic hot water temperature in the period set in the parameters Vacation start date and Vacation finish date of this men End user C 10 50 20 Heating...

Page 60: ...timer Enabling or disabling the timer for switching on and off the heating cooling This function has priority over the digital inputs 12 and 13 in Figure 6 22 End user Selected Not selected Not select...

Page 61: ...ot selected Not selected Basic operation mode Don t change Installer Selected Not selected Not selected Max duration for min compressor speed Installer Min 5 60 5 Heating cooling switch Installer OFF...

Page 62: ...heater demand algorithm 20 or 33 in Figure 6 22 The lower the value the external electrical heater is called sooner End user 0 600 240 Water temperature rise reading interval HWTBH Check interval of...

Page 63: ...event the heat pump from starting the heating elements when not desired The intervention speed of the electrical heaters can be set in the parameter Backup source start accumulating value HBH section...

Page 64: ...p OFF interval for P0 see Interval working mode of the para meter Working mode of circulation pump P0 Installer Min 5 60 15 Pump ON time for P0 see Interval working mode of the para meter Working mode...

Page 65: ...ing with the arrows it is possible to consult and modify all the parameters relating to the lock function Parameter Permission level U M Range Factory setting Costum value Electrical utility lock N A...

Page 66: ...activate first class anti freezing Outdoor temperature threshold for activating the anti freeze cycle which is carried out by switching on the pump only WARNING Should there be this risk we recommend...

Page 67: ...of performance unit Installer 90 100 100 Defrosting Logic Selection Don t change Installer 0 2 0 Activate Wifi module or not N A Installer Selected Not selected Not Selected Accept setting from Wifi m...

Page 68: ...of Figure 5 2 Installer C Cooling Heating water temp TC item 19 of Figure 5 2 Installer C Water flow rate N A Compressor working speed Installer Hz EEV opening number of opening steps of the expansio...

Page 69: ...o return to the home page 8 USE Figure 8 22 Info icon Figure 8 23 Page 1 Figure 8 24 Page 2 Figure 8 25 Page 3 Figure 8 26 Page 4 Figure 8 27 Home page icon Tuo Supply water temperature Tui Return wat...

Page 70: ...If necessary replace the sensor F04 Failure of the compressor suction temperature sensor Compressor stopped Check that the sensor is not shorted open and that it is not giving wrong values If necessar...

Page 71: ...he circulator is not broken F29 Error on mixing valve 1 Active unit mixing valve 1 blocked at 0 Check the wiring of mixing valve 1 check the output signal voltage from the PCB board check that the val...

Page 72: ...mount of refrigerant is not enough and this results in too low a pressure Check that the fan and pump motor work correctly Check that the evapo condensing battery or the plate heat exchanger are not b...

Page 73: ...to error S2 water flow too low 3 times in a certain period of time it will re lock and S10 will appear Remove and restore the electrical supply to reset the error Check the hydraulic circuit especial...

Page 74: ...DOOR UNIT Check the water pressure in the system and there are no leaks Follow section 10 3 Check the good condition of the safety valve Follow section 10 4 Check and clean the safety exhaust valve sy...

Page 75: ...e switch 10 9 Check the temperature adjustment in heating and DHW 1 Check the relationship between the regulated temperature and the actual one obtained in heating and DHW mode 2 If the temperatures d...

Page 76: ...the water from the heating circuit 2 Access the internal components of the device following section 10 24 3 Extract the pump towards the outside 4 Disconnect the electrical wires from the pump body 1...

Page 77: ...1 10 MAINTENANCE Figure 10 1 Dismantling the casing and access to the internal components 10 25 Remove the casing and access to the internal components of the STM To remove the casing proceed as follo...

Page 78: ...Terminals block Figure 6 22 3 Safety thermostat for overheating 4 Electrical heater 6kW 5 PWM pump 6 Pump 7 Digital thermostat max 75 C 8 Control panel 9 Control board 10 3 way valve 11 Circuit 2 tem...

Page 79: ...ure sensor Tw 16 Water flow switch 17 Supply temperature sensor TUO 18 Return temperature sensor TUI 19 Liquid line temperature sensor TUP 20 Microswitches 21 Electrical heater for DHW 1 5 kW Figura 1...

Page 80: ...Compressor wire heater 8 4 way valve 10 Fan 11 High pressure switch 13 Gas side control board 14 Low pressure sensor 15 High pressure sensor 16 Compressor discharge temperature sensor 17 Evapo conden...

Page 81: ...ressure switch 13 Gas side control board 14 Low pressure sensor 15 High pressure sensor 16 Compressor discharge temperature sensor 17 Evapo condensing battery temperature sensor 18 Outdoor temperature...

Page 82: ...uantity 1 1 2 Air flow m h 3000 3000 4200 Nominal power W 60 60 120 Noise level Internal external dB A 35 56 35 56 35 59 Refrigerant connection Liquid Gas 1 4 1 2 3 8 1 2 3 8 5 8 Net size L D H Outdoo...

Page 83: ...Water inlet outlet 50 55 C 6 9 13 Te Heating heat output COP Heating heat output COP Heating heat output COP 7 3 40 1 90 5 50 1 50 7 10 1 90 2 4 70 2 29 6 90 1 90 9 40 2 30 7 4 80 2 39 8 40 2 20 9 80...

Page 84: ...n compliance with Energy Related Products directive 2009 125 CE Electromagnetic compatibility directive 2014 30 UE Low Voltage Directive 2014 35 UE Regulation UE N 2017 1369 Ecodesign requirements reg...

Page 85: ...Tj operating limit temperature Pdh 4 711 kW Tj operating limit temperature COPd 2 39 for air water heat pump Tj 15 C se TOL 20 C Pdh kW for air water heat pump Tj 15 C se TOL 20 C COPd Bivalent tempe...

Page 86: ...j operating limit temperature Pdh 5 15 kW Tj operating limit temperature COPd 2 27 for air water heat pump Tj 15 C se TOL 20 C Pdh kW for air water heat pump Tj 15 C se TOL 20 C COPd Bivalent temperat...

Page 87: ...4 Tj operating limit temperature Pdh 7 164 kW Tj operating limit temperature COPd 2 5 for air water heat pump Tj 15 C se TOL 20 C Pdh kW for air water heat pump Tj 15 C se TOL 20 C COPd Bivalent tempe...

Page 88: ...COSMOGAS s r l Via L da Vinci 16 47014 MELDOLA FC ITALY info cosmogas com www cosmogas com...

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