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COSMOGAS AGUADENS H Instructions For Installation, Use And Maintenance Manual

Gas wall-mounted condensing hot water heater
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GAS WALL-MOUNTED
CONDENSING HOT WATER
HEATER
a
INSTALLATION, USE
AND MAINTENANCE
MANUAL
AGUADENS H
62403968 - R02 17-03-2025_UK - INGHILTERRA - COSMOGAS
CAUTION!!! Read these instructions
carefully before installing, starting,
using or maintaining this appliance.

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Summary of Contents for COSMOGAS AGUADENS H

  • Page 1 CAUTION!!! Read these instructions carefully before installing, starting, using or maintaining this appliance. INSTALLATION, USE AND MAINTENANCE MANUAL AGUADENS H GAS WALL-MOUNTED CONDENSING HOT WATER HEATER 62403968 - R02 17-03-2025_UK - INGHILTERRA - COSMOGAS...

  • Page 2: Table Of Contents

    6.6 - Controlling the supply gas pressure and any adjustments ..................43 6.7 - Checking the level of CO2 and making any adjustments ..................44 6.8 - Adjusting the domestic hot water flow rate ......................45 6.9 - Checking the maximum heat input ......................... 45 AGUADENS H COSMOGAS...
  • Page 3 8.22 - Wiring diagram ..............................70 9 - TECHNICAL DATA ............................72 10 - PRODUCT FILE ............................74 11 - COMMAND MENU DIAGRAM ........................75 12 - ADVANCED SETTINGS MENU ........................76 13 - NOTES ................................80 14 - EU DECLARATION OF COMPLIANCE ......................83 COSMOGAS AGUADENS H...

  • Page 4: General Safety Warnings

    Do not leave parts of the packaging and any instructions given by the manufacturer or with replaced parts within the reach of children. applicable national and/or local laws. AGUADENS H COSMOGAS...

  • Page 5: National Installation Laws

    This means that the content of dissolved salts (responsible for the formation of scale inside the heat exchanger), can continuously vary in an uncontrolled manner. For this reason, damage caused by scale deposits, inside the heat exchanger, is not covered by the product warranty. COSMOGAS AGUADENS H...

  • Page 6: General Information

    Congratulations! You have chosen an outstanding product, among the most innovative and reliable currently available on the market. Each unit is the result of COSMOGAS’s expertise and experience, designed, manufactured, and tested with the utmost care in our own facilities.

  • Page 7: Meaning Of Symbols Used

    This manual uses the following acronyms: terms of Community Directive 2012/19/EU. N/A: Not applicable. For further information regarding correct decommissioning DHW: Domestic hot water. of these appliances, users can contact the public service in charge or retailers. COSMOGAS AGUADENS H...

  • Page 8: Main Components

    26 - Gas valve 27 - Front casing 1002 28 - Safety valve 12 - ---------- 29 - Display 13 - ---------- 30 - Control panel 14 - Pump 31 - ---------- Figure 3-1 – AGUADENS 16H and 22H models AGUADENS H COSMOGAS...
  • Page 9 39 - Air/gas mixing group 40 - Condensate drain siphon 41 - Safety valve drain pipe 42 - ---------- 43 - Condensate collection tank 44 - ---------- 45 - Flue thermal fuse Figure 3-2 – AGUADENS 16H and 22H models COSMOGAS AGUADENS H...
  • Page 10 25 - Air inlet manifold 26 - Gas valve 1002 27 - Front casing 12 - ---------- 28 - Safety valve 13 - ---------- 29 - Display 30 - Control panel 31 - ---------- Figure 3-3 – AGUADENS 37H models AGUADENS H COSMOGAS...
  • Page 11 38 - Burner 39 - Air/gas mixing group 40 - Condensate drain siphon 41 - Safety valve drain pipe 42 - ---------- 43 - Condensate collection tank 44 - ---------- Figure 3-4 – AGUADENS 37H models COSMOGAS AGUADENS H...

  • Page 12: Operation

    27 = Domestic cold water inlet 28 = Collector for condensate drain and safety valve 29 = Domestic hot water outlet 1004 30 = DHW temperature sensor (Par. 31 = Primary heat exchanger thermal fuse Figure 4-1 – Hydraulic diagram AGUADENS H COSMOGAS...

  • Page 13: Operation And Intended Use Of The Appliance

    Key of Figure 4-2 A = AGUADENS 16H B = AGUADENS 22H C = AGUADENS 37H Water flow rate (l/min) Figure 4-2 – Domestic hot water head losses curve COSMOGAS AGUADENS H...

  • Page 14: Examples Of Installation

    Figure 4-3 - Example of system without recirculation Figure 4-4 - Example of system with recirculation and external pump (see section 5.12) Figure 4-5 - Example of system with storage tank (section 5.13) AGUADENS H COSMOGAS...
  • Page 15 Figure 4-6 – Example of system with solar panels and storage tank (Section 5.13) Figure 4-7 – Example of system with solar panel Figure 4-8 – Example of incorrect installation with natural circulation (maximum temperature of the appliance water is 85°C). COSMOGAS AGUADENS H...

  • Page 16: Installation

    3 - 3/4" gas inlet 4 - 3/4" cold water inlet Figure 5-2 – Dimensions and attachments centre-to- 5 - Flue gas outlet / Air intake 6 - Support attachments centre distances 7 - Ø20 condensate drain Models 16H and 22H AGUADENS H COSMOGAS...

  • Page 17: Choosing Where To Install The Appliance

    (Figure 5-4). Choose a place sheltered from the weather and from frost. It must not be exposed to temperatures below 0.5°C and above 50°C. AGUADENS H Combustion air flow rate G20 m3/h Combustion air flow rate G31 m3/h Figure 5-4 key –...

  • Page 18: Appliance Assembly

    4.- remove the paper template (where present); 5.- make holes “A” and insert the wall plugs “B”; 6.- make the appliance hydraulic and gas connections; 7.- hang the appliance on the plugs “C”; 8.- make the hydraulic connections. Figure 5-5 – Support plugs AGUADENS H COSMOGAS...

  • Page 19: Domestic Hot And Cold Water

    There is no input for stopping the burner for this purpose; the main power supply to the appliance must be cut. Insert a closing cock before the cold water inlet, useful for maintenance work. COSMOGAS AGUADENS H...

  • Page 20: Condensate Drain

    It is prohibited to drain into gutters or rainwater drainpipes. CAUTION!!! The condensate drain must slope continuously towards the drain point; avoid high points, which could pressurise the pipe. 020002.01.017 Figure 5-6 – Condensate drain pipe AGUADENS H COSMOGAS...

  • Page 21: Hydraulic And Gas Connections, And Mounting Of The Lower Cover

    Figure 5-8 – Water and gas connections for AGUADENS 37H (on request) min10 mm max 30 mm 020002.01.028 Figure 5-9 – F = Condensate drain pipe G = anti-odour syphon (on request) Figure 5-10 – Example of typical full installation COSMOGAS AGUADENS H...

  • Page 22: Electrical Connections: Details

    3249; EP = External pump (where present) (Figure 12-1); DNC = Not used; L1 = Appliance power supply line; N = Appliance power supply neutral; EARTH SYMBOL = Earth contacts. 020025.01.009 62408335_per_manuale Figure 5-11 – Electrical connections AGUADENS H COSMOGAS...

  • Page 23: Connecting The Power Supply Cable

    Key for Figure 5-12 A = AGUADENS 16H and 22H B = AGUADENS 37H Water flow rate (l/hr) Figure 5-12 – Residual head of recirculation circuit with internal pump curve COSMOGAS AGUADENS H...

  • Page 24: Connecting The Appliance To Storage Tank With Coil

    13 - Check valve 14 - Recirculation pump (where present) 15 - Expansion tank 16 - Polyphosphate softener (on request); * The recirculation line is not compulsory. Figure 5-13 – Hydraulic connection to storage tank AGUADENS H COSMOGAS...

  • Page 25: Exhaust Gases Outlet And Combustion Agent Air Intake Pipe

    CAUTION!!! The appliances installed in type C43 must only be connected to natural-draught flues. CAUTION!!! With C43 exhausts, the condensate coming from the chimney cannot be conveyed into the appliance. Figure 5-14 – Outlet/intake systems COSMOGAS AGUADENS H...

  • Page 26: Type Of Intake/Exhaust B23 And B23P

    - Be constructed in such a way that the opening inlets both inside and outside the wall cannot be blocked; - Be protected, for example with grids, mesh, etc. The net passage cross-section must not be reduced by these systems; AGUADENS H COSMOGAS...

  • Page 27: Split 80/80Pp" System (Polypropylene) (Type C43; C53; C83; C93) Aguadens 16H And 22H

    Figure 5-16 – Overall dimensions sheath. CAUTION!!! If the air intake and flue gas outlet terminals are positioned on the same wall, they must remain at a minimum distance of 1 metre. Figure 5-17 – Fixing the outlet and intake pipes COSMOGAS AGUADENS H...

  • Page 28: Split 80/80Pp" System (Polypropylene) (Type C43; C53; C83; C93) Aguadens 37H

    CAUTION!!! If the air intake and flue gas outlet terminals are positioned on the same wall, they must remain at a minimum distance of 1 metre. Figure 5-20 – Fixing the outlet and intake pipes AGUADENS H COSMOGAS...

  • Page 29: Split 80/80Pp" System (Type C43; C53; C83; C93): Accessories Available

    62617249 - N°18 PP anti-slip bands for extensions 62617240 - N° 14 M.F. PP L=20m hose 62617241 - N°16 spacer for hose 62617238 - N° 17 PP telescopic joint 62617242 - N° 15 PP T-fitting 62617246 - N° 13 M/F PP 45° bend COSMOGAS AGUADENS H...

  • Page 30: Split 80/80Pp" System (Type C43; C53; C83; C93): Installation Examples

    - outlet on the outside, directly via the appliance pipes with condensate collection inside the appliance itself. The intake must slope towards the outside to prevent rain water entering. Figure 5-21 – Example of “80/80 PP system” installation Figure 5-22 – Example of “80/80 PP system” installation AGUADENS H COSMOGAS...

  • Page 31: 60/100Pp Vertical Coaxial" System (Polypropylene) (Type C13; C33) Aguadens 16H And 22H

    9. Every 45° bend has a loss equivalent to the value in section 9. Figure 5-24 – Measurements and centre space distances for coaxial outlet preinstallation hole Figure 5-25 – Positioning the coaxial pipe COSMOGAS AGUADENS H...

  • Page 32: 60/100Pp Horizontal Coaxial" System (Polypropylene) (Type C13; C33) Aguadens 16H And 22H

    9. Every 45° bend has a loss equivalent to the value in section 9. Figure 5-27 – Measurements and centre space distances for coaxial outlet preinstallation hole Figure 5-28 – Positioning the coaxial pipe AGUADENS H COSMOGAS...

  • Page 33: 60/100Pp Coaxial" System: Accessories Available

    62617234 - N° 1 M/F PP 90° coaxial bend 62617252 - N° 6 M/F PP 45° coaxial bend 62617231 - N° 7 L 1m PP coaxial extension 62617304 - N° 3 PP coaxial roof terminal 62617232 - N° 5 PP coaxial wall terminal COSMOGAS AGUADENS H...

  • Page 34: 60/100Pp Coaxial" System: Installation Examples

    To this end, it must be installed under sloping roofs (or ledges, balconies or other suitable protection) with the minimum dimensions shown in Figure 5-29. Figure 5-29 – Examples of coaxial pipe installation AGUADENS H COSMOGAS...

  • Page 35: 80/125Pp Vertical Coaxial" System (Polypropylene) (Type C13; C33) Aguadens 37H

    9. Every 45° bend has a loss equivalent to the value in section 9. Figure 5-31 – Measurements and centre space distances for coaxial outlet preinstallation hole Figure 5-32 – Positioning the coaxial pipe COSMOGAS AGUADENS H...

  • Page 36: 80/125Pp Coaxial" System: Accessories Available

    62617322 - N° 6 M/F PP 45° coaxial bend 62617323 - N° 7 L 1m PP coaxial extension 62617255 62617325 - N° 3 PP coaxial roof terminal 62617324 - N° 5 PP coaxial wall terminal 62617321 62617322 62617323 62617324 62617325 AGUADENS H COSMOGAS...

  • Page 37: 80/125Pp Coaxial" System: Installation Examples

    To this end, it must be installed under sloping roofs (or ledges, balconies or other suitable protection) with the minimum dimensions shown in Figure 5-33. Figure 5-33 – Examples of coaxial pipe installation COSMOGAS AGUADENS H...

  • Page 38: 80Pp Single" System (Polypropylene) (Type B23 Or B23P) Aguadens 16H And 22H

    CAUTION!!! The temperature of the outlet pipe can reach 90°C during operation. If the pipe passes through walls that are sensitive to these temperatures, insert a protective heat-insulating sheath. Figure 5-35 – Measurements and centre space distances for single exhaust preinstallation hole AGUADENS H COSMOGAS...

  • Page 39: Start-Up

    CAUTION!!! If the appliance remains off for more than 3 months, the siphon must be filled again as explained above. Figure 6-1 – Filling the condensate drain siphon Models 16 and 22. 020008.01.023 Figure 6-2 – Filling the condensate drain siphon Model COSMOGAS AGUADENS H...

  • Page 40: General Recommendations Regarding The Gas Supply

    2. - Ventilate the room; 3 - From another room, or from a neighbour’s property, immediately call a professionally qualified technician or the gas supply company. Call the Fire Service if the former are not available. AGUADENS H COSMOGAS...

  • Page 41: Conversion Of The Appliance From One Type Of Gas To Another

    3 - From another room, or from a neighbour’s property, immediately call a professionally qualified technician or the gas supply company. Call the Fire Service if the former are not available. 020022.01.008 020002.01.042 Figure 6-5 – Replacing the gas nozzle and checking correct OR position COSMOGAS AGUADENS H...
  • Page 42 8.3 ± 0.1 5.4 ± 0.5 6.1 ± 0.2 G20Y20 5.4 ± 0.5 6.1 ± 0.2 10.1 ± 0.3 9.5± 0.1 5.5 ± 0.5 6.4 ± 0.2 Figure 6-7 – Correspondence table for parameter 3002 and the operating values AGUADENS H COSMOGAS...

  • Page 43: Ignition

    12.- check for any gas leaks at the pressure point using suitable tools. WARNING!!! Test the gas seal using a soap and water solution only. Strictly no open flames. 020003.01.023 A- Gas inlet tapping point. Figure 6-9 – Gas valve COSMOGAS AGUADENS H...

  • Page 44: Checking The Level Of Co2 And Making Any Adjustments

    17.- once the check has been completed, seal screw “B” (Figure 6-12) with red paint or a similar method; 18.- go into the “installer” menu (Section 7.8); 2010 19.- set parameter 020002.01.045 Figure 6-12 – Labels certifying the new appliance status AGUADENS H COSMOGAS...

  • Page 45: Adjusting The Domestic Hot Water Flow Rate

    “Technical Data” section, in Section 9; c) check that the heat exchanger and the burner are clean (Section 8.5). 020003.01.055 Figure 6-13 – Domestic hot water flow rate selector switch (“A”) COSMOGAS AGUADENS H...

  • Page 46: Use

    U - Indicator of number of lockouts occurred in last 15 minutes V - Fan (fan is on when icon showing) X - Sparks (icon shows when burner ignition sparks switch on) Y - Valve (valve powered when icon showing) AGUADENS H COSMOGAS...

  • Page 47: General Information

    40°C to 60°C. By pressing and holding the key down even below 40°C, the message “ ” appears to indicate that the domestic hot water service is being switched off. The icon “F” (Figure 7-1) also switches off. COSMOGAS AGUADENS H...

  • Page 48: User" Menu

    1055 Number of failed ignition attempts Value 1056 Time between last two lockouts (Loc) 1: mins 2: hours 3: days 4: weeks 1057 Time between last two errors (Err) 1: mins 2: hours 3: days 4: weeks AGUADENS H COSMOGAS...
  • Page 49 * How to read the values of parameters 1056 and 1057: E.g. If it shows 1:29, it means 29 minutes; E.g. If it shows 2:12, it means 12 hours; E.g. If it shows 3:15, it means 15 days; E.g. If it shows 4:26, it means 26 weeks. COSMOGAS AGUADENS H...

  • Page 50: Installer" Menu

    Pressing the RESET OFF = Inactive; button again returns the display to normal operation. 2020 Climatic - Heating stop spring temperature °C 0-35 2021 Climate - Outside winter temperature °C -30-25 2022 Climate - Winter heating temperature °C 20-93 AGUADENS H COSMOGAS...
  • Page 51 Drying temperature holding time Hours 24-120 2107 (N/A) (N/A) (N/A) (N/A) 2108 (N/A) (N/A) (N/A) (N/A) 2109 (N/A) (N/A) (N/A) (N/A) 2110 (N/A) (N/A) (N/A) (N/A) 2111 DHW maximum continuous drawing time 0-24 N/A = Not applicable; COSMOGAS AGUADENS H...

  • Page 52: Diagnostics

    Bleed the air if necessary. Loc 06 Flue gas overheat Check for any residue in the combustion chamber In the event of any residues, see section 8.5. If the issue is not solved, replace the primary heat exchanger. AGUADENS H COSMOGAS...
  • Page 53 In the event of any residues, see Section 8.5. detected during normal Check detection electrode integrity Replace if necessary. operation Check the spark generator is not short-circuited Check that there are no leaks from the gas valve COSMOGAS AGUADENS H...
  • Page 54 Check parameter 3001 is set to 0 Restore if necessary. cascade parameters Loc 54 Invalid delivery Check parameter 3001 is set to 0 and 3231 is set to 1 Restore if necessary. configuration N/A = Not applicable. AGUADENS H COSMOGAS...

  • Page 55: Diagnostics: Errors "Err

    Low flow rate in heating circuit (N/A) Err 115 DHW sensor circuit open Check that the electrical resistance of the sensor Replace if necessary. matches the graph in Section 8.21. Check the sensor is connected correctly Restore if necessary. COSMOGAS AGUADENS H...
  • Page 56 Restore if necessary. switch divider on master board Err 130 Flapper blocked open Check that 3006 = 1 Restore if necessary. Err 131 Flapper blocked closed Check that 3006 = 1 Restore if necessary. N/A = Not applicable; AGUADENS H COSMOGAS...

  • Page 57: Maintenance

    WARNING!!! Before any maintenance work, disconnect the appliance from the electrical power supply, using the relevant switch nearby. WARNING!!! Before any maintenance operation turn off the gas cock. COSMOGAS AGUADENS H...

  • Page 58: Maintenance Protocol

    2.- in the event of obstructions in the drain pipe, clean the pipe; 3.- visually check that the component does not have any signs of corrosion, physical damage, water marks or signs of rust; 4.- in the event of damage as indicated above, replace the component; AGUADENS H COSMOGAS...

  • Page 59: Checking The Condition Of The Safety And Control Devices

    1.- check that after attempts to start the appliance, with the gas shut-off valve closed, the appliance goes into lockout Loc 07 mode and the message appears on the display; 2.- if the lockout message does not appear, replace the command and control board; COSMOGAS AGUADENS H...

  • Page 60: Removing The Casing And Accessing The Internal Components

    To access the electrical connections board: 1.- turn the control panel “D” towards the front; 2.- slide cover “E” out using the closing flaps “F”. 020003.01.018 Figure 8-1 – Removing the casing and opening the control panel AGUADENS H COSMOGAS...

  • Page 61: Dismantling The Burner Fan Assembly

    3.- disconnect cables “B” and the detection cable from the ignition electrodes (ref. “35” Figure 3-2) and the detection electrodes (ref. “15” Figure 3-1); 4.- unscrew the four nuts “E”; 5.- extract the assembly “F”; 020002.01.024 Figure 8-2 – Removing the burner-fan unit COSMOGAS AGUADENS H...

  • Page 62: Cleaning The Burner And The Primary Heat Exchanger (Flue Gas Side)

    Figure 8-3 - Burner assembly CAUTION!!! Gasket “M” in Figure 8-3 seals the combustion chamber. If the gasket is damaged DO NOT reuse it; it must be replaced along with the burner unit. Consult the manufacturer for information on replacing it. AGUADENS H COSMOGAS...

  • Page 63: Correctly Positioning The Ignition And Detection Electrodes

    8.- check for any gas leaks using the relevant tools; WARNING!!! Test the gas seal using a soap and water solution only. Strictly no open flames. Figure 8-4 – Positioning the electrodes on the burner 020025.01.004 Figure 8-5 – Removing the electrodes COSMOGAS AGUADENS H...

  • Page 64: Dismantling And Replacing The Gas Valve

    “H” (supplied in the kit) correctly in the kit; the one removed previously can be disposed of; 10.- fit the appliance back together by performing the operations above in reverse order; 11.- open the gas cock; 020003.01.072 020025.01.040 Figure 8-6 – Removing the gas valve AGUADENS H COSMOGAS...

  • Page 65: Cleaning The Condensate Conveyor Siphon

    10.- restore the level of liquid inside the siphon, following the procedure in Section 6.1.2. 020003.01.054 Figure 8-8 – Removing the condensate collection siphon 020002.01.030 020003.01.053 Figure 8-7 – Removing the condensate collection siphon Figure 8-9 – Condensate collection siphon COSMOGAS AGUADENS H...

  • Page 66: Replacing The Pump

    3.- disconnect the exhaust pipe from the valve to be replaced “A”; 4.- unscrew the side nut “B” from the hydraulic unit, thus freeing valve “A”; 5.- remove safety valve “A” and replace it. 020003.01.067 Figure 8-12 – Removing the safety valve AGUADENS H COSMOGAS...

  • Page 67: Emptying The Appliance On The Domestic Hot Water Side

    2010 in the “installer” menu (section 7.8). To appliance as possible. Check whether the system 2010 return to normal operating conditions, set downstream of the appliance can support this temperature. COSMOGAS AGUADENS H...

  • Page 68: Replacing The Command Board

    RESET. All parameters are now synchronised from du-bic until appears, confirm by pressing the command board to the display reset to the previous RESET. All parameters are now synchronised from the values. display to the command board reset to the previous values. AGUADENS H COSMOGAS...

  • Page 69: Saving And Restoring Default Settings

    2.- check the combustion efficiency at full load with maximum delivery temperature for the type of system in which it is used; 3.- check that the detected value exceeds regulatory requirements; Figure 8-13 – Water sensors curve COSMOGAS AGUADENS H...

  • Page 70: Wiring Diagram

    8 - MAINTENANCE 8.22 - Wiring diagram Figure 8-14 – Wiring diagram AGUADENS H COSMOGAS...
  • Page 71 21 - 24V power supply followed by a number (see example above). 22 - Not used This is to identify the correct follow-on of 23 - ON/OFF enabling the cables on the next page. 24 - Not used COSMOGAS AGUADENS H...

  • Page 72: Technical Data

    Max. length of flue gas outlet duct (split) (60) Max. length of flue gas outlet duct (split) (50) Flue gas pipe max. length (coaxial) 80/125 Equivalent length of a bend 45° bend = 0.5 m, 90° bend = 1 m AGUADENS H COSMOGAS...
  • Page 73 Condensate maximum flow rate Condensate average acidity Operating room temperature °C 0.5 ; +50 0.5 ; +50 0.5 ; +50 Appliance dimensions (WxDxH) 445x305x770 445x305x770 445x484x685 Appliance weight (empty) Packaged appliance dimensions (WxDxH) 520x345x915 520x345x915 530x520x915 Packaged appliance weight COSMOGAS AGUADENS H...

  • Page 74: Product File

    (l) Smart control factor Emissions of nitrogen oxides mg/kWh In agreement with European Ruling (EU) No 812/2013 and No 814/2013; * Related to other load profile (g); N/A = Not applicable; AGUADENS H COSMOGAS...

  • Page 75: Command Menu Diagram

    7 - Access to the “installer” menu (section 7.8); 8 - Example of “installer” menu parameters; 9 - Button to enter and confirm editing parameters; 10 - Editing parameters; 2004 11 - Example adjustment field of parameter COSMOGAS AGUADENS H...

  • Page 76: Advanced Settings Menu

    6 = Hot water heater with flowmeter (N/A); 7 = Hot water heater with flowmeter; 8 = Micro tank without flow switch (N/A); 9 = Instant DHW with flow switch (N/A); 10 = Micro tank with flow switch (N/A); AGUADENS H COSMOGAS...
  • Page 77 Instant DHW PID D 0-255 3044 Minimum operating flow rate in l/min 0.1-20 instant DHW mode 3045 Parameter 3044 hysteresis value 0.1-5 3046 Maximum DHW temperature with °C 80-93 storage tank 3047 Parameter 3046 hysteresis value 0-20 COSMOGAS AGUADENS H...
  • Page 78 1 = External alarm supply; * “MF” contacts are powered when 2 = “MF” contacts are managed via external the instant DHW preheat function is Modbus parameters; active (3014 other than 0). 3 = Recirculation pump power supply; * AGUADENS H COSMOGAS...
  • Page 79 3254 Autoconfiguration procedure EnAb = Enabled; EnAb dISA = Disabled; 3255 (N/A) (N/A) (N/A) (N/A) N/A = Not applicable. Parameter 3011 Request Pump External pump “DN” contacts “NC” contacts symbol Figure 12-1 - Auxiliary power supply management COSMOGAS AGUADENS H...

  • Page 80: Notes

    13 - NOTES AGUADENS H COSMOGAS...
  • Page 81 13 - NOTES COSMOGAS AGUADENS H...
  • Page 82 13 - NOTES AGUADENS H COSMOGAS...

  • Page 83: Eu Declaration Of Compliance

    14 - EU DECLARATION OF COMPLIANCE The undersigned sole director of company COSMOGAS s.r.l., with registered office in Via Leonardo Da Vinci no. 16 - 47014 Meldola (FC) Italy, DECLARES under its own responsibility that the instant hot water heater: SERIAL No.
  • Page 84 COSMOGAS s.r.l. Via L. da Vinci 16 - 47014 MELDOLA (FC) ITALY info@cosmogas.com www.cosmogas.com...

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