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Viessmann T0E-ze, Installation And Service Instructions For Contractors

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Viessmann T0E-ze Installation And Service Instructions For Contractors Download Page 13

13

Fitting the outdoor air adaptor

Danger

Hot surfaces can cause burns.

■

Switch off the appliance before carrying out
maintenance and service work. Allow the
appliance to cool down.

■

Never touch hot surfaces on the appliance, fit-
tings or pipework.

Installation sequence

Conversion to outdoor air mode

 (cont.)

6136003

Installation

 

Summary of Contents for T0E-ze

Page 1: ...ions for contractors VIESMANN Vitocal 060 A Type T0E ze DHW heat pump with dry immersion heater Type T0S ze DHW heat pump with connection for external heat generator or solar collectors VITOCAL 060 A 6136003 GB 3 2020 Please keep safe ...

Page 2: ...ied contractors Work on the refrigerant circuit may only be carried out by authorised refrigera tion engineers Work on electrical equipment may only be carried out by a qualified electrician The system must be commissioned by the system installer or a qualified per son authorised by the installer Regulations to be observed National installation regulations Statutory regulations for the prevention ...

Page 3: ...or pipework Please note Electronic assemblies can be dam aged by electrostatic discharge Before beginning work touch earthed objects such as heating or water pipes to discharge any static Work on the refrigerant circuit Refrigerant R1234ze is a colourless odourless gas that displaces air R1234ze is mildly flammable safety class A2L according to ISO 817 R1234ze belongs to fluid group 2 according to...

Page 4: ...nd secondary sides Repair work Please note Repairing components that fulfil a safety function can compromise the safe operation of the system Replace faulty components only with genuine Viessmann spare parts Auxiliary components spare and wearing parts Please note Spare and wearing parts that have not been tested together with the system can compromise its func tion Installing non authorised com p...

Page 5: ...20 Fitting the temperature sensor 20 Adjusting the draw off rate 21 Electrical connections 22 Type T0S ze with external heat generator 22 Connecting to the power supply 23 Power cable 24 4 Commissioning inspec tion maintenance Steps commissioning inspection and maintenance 25 5 Diagnosis and service checks Installation menu 33 Programming unit 33 Setting parameters in the installation menu INST 33...

Page 6: ...s follows Symbol Meaning Steps required during commissioning Not required during commissioning Steps required during inspection Not required during inspection Steps required during maintenance Not required during maintenance Intended use The appliance is only intended to be installed and operated in sealed unvented heating systems that comply with EN 12828 with due attention paid to the associated...

Page 7: ...al heat generator e g oil gas boiler can be connected The heat pump is available for recirculation air mode outdoor air mode and recirculation air mode with air discharge to the outside Recirculation air mode In recirculation air mode the ambient temperature indoor air in the installation room is used for DHW heating When DHW is being heated the installation room is cooled and dehumidified Recircu...

Page 8: ...sion heater accessories With type T0S ze an external heat generator can be connected Permissible air intake temperatures For DHW heating in recirculation air mode and recir culation air mode with air discharge to the outside temperature in the installation room 3 C to 35 C For DHW heating in outdoor air mode outside tem perature 5 C to 35 C System examples Available system examples See www viessma...

Page 9: ...safety cut out for DHW heat pump F Sensor well for draw off profile XL G Inspection port Protective magnesium anode Impressed current anode accessories Immersion heater accessory for type T0S ze part of standard delivery for type T0E ze H Cold water drain R K Type T0S ze only External heat generator Return G 1 Solar collector Return G 1 and threaded elbow accessories for lower cylinder temperature...

Page 10: ...e from the risk of frost The intake air must be kept free from dust grease and contamination through halogenated hydrocar bons e g as contained in sprays paints solvents and cleaning agents To prevent the transmission of structure borne noise never site the appliance above ceilings with wooden joists e g in the attic A separately fused standard power socket must be available A condensate drain pip...

Page 11: ...imum room height When using ductwork made from EPP accessories the height of the room must be at least 2060 mm Outdoor air mode 500 kg 2000 5 C 35 C 650 100 Fig 6 A DHW heat pump B Condensate drain pipe Minimum room height When using ductwork made from EPP accessories the height of the room must be at least 2060 mm Preparing for installation Preparing for installation cont 6136003 Installation ...

Page 12: ...h can be removed for this Align the DHW heat pump horizontally 35 3x Fig 7 Conversion to outdoor air mode Note In outdoor air mode at outside temperatures below 6 C the maximum DHW tem perature of 62 C is not achieved in the operating programs ECO and SMART 5 30 0 10 20 30 40 50 60 70 Air intake temperature in C DHW temperature in C A 6 62 Fig 8 A Maximum DHW temperature achievable by the heat pum...

Page 13: ...cause burns Switch off the appliance before carrying out maintenance and service work Allow the appliance to cool down Never touch hot surfaces on the appliance fit tings or pipework Installation sequence Conversion to outdoor air mode cont 6136003 Installation ...

Page 14: ...rotective clothing Note The air discharge aperture is converted for recircula tion air mode with air discharge to the outside 4 2 1 5 6 3 Fig 9 A Air discharge B Air intake Installation sequence Conversion to outdoor air mode cont 6136003 Installation ...

Page 15: ...le pipe EPP pipe Length 3 0 m 160 3 Outdoor air intake grille as air discharge duct wall outlet 160 4 Exhaust air roof outlet Round with protective grille and insu lation sleeve for air discharge duct 160 5 Supply air vent Wall external connection for air in take duct 160 Check valve on site Installation sequence Conversion to outdoor air mode cont 6136003 Installation ...

Page 16: ... and installation options which are not per missible Connection of kitchen extractor hoods to the duct work Installation of a DHW heat pump with recirculation air mode in a heated room Connection of the air intake duct to a mechanical ventilation system Connection of the air intake duct to an air geothermal heat exchanger Connection of the air intake duct to a tumble dryer Reversed connections air...

Page 17: ... heating DHW condensate forms on the inside of the heat pump module This condensate needs to be routed via the condensate drain to a sewer 1 Secure the condensate drain hose to the conden sate drain connector with a hose clip Please note Mechanical stress will damage the conden sate connection and may cause leaks Never twist the condensate drain connector on the appliance 2 Route the condensate ho...

Page 18: ...rap Ø 20 60 Fig 14 Condensate drain via water seal Ø 20 60 Fig 15 Connections on the DHW side The DHW heat pump is designed to be connected per manently to the water supply For connecting the DHW side observe DIN 1988 DIN 4753 and EN 806 Furthermore observe the following Connect all pipework with detachable fittings Equip the DHW circulation pipe with a DHW circula tion pump check valve and time s...

Page 19: ...can heat drinking water to above 60 C Therefore an automatic thermostatic mixing valve must be fitted in the DHW pipe to protect against scalding Information on the safety valve Install a safety assembly to DIN 1988 DN 15 R 1 MPa at the cold water connection If no safety assembly to DIN 1988 is installed equip the system with a type tested diaphragm safety valve as protection against excess pressu...

Page 20: ...ote In outdoor air mode the immersion heater accesso ries is essential Type T0S ze External heat generator For connections to the DHW heat pump see pages 9 and 22 Fitting the temperature sensor Please note Damage to the connecting cables and sensor leads capillaries causes malfunctions The connecting cables and sensor leads must not come into contact with hot components When routing and securing c...

Page 21: ... profile from L to XL To do this the cylinder temperature sensor fitted at the factory is removed from sensor well A and fitted in sensor well B see Fig 18 Note The high limit safety cut out for the DHW heat pump must also be refitted Installation sequence Type T0S ze External heat generator cont 6136003 Installation ...

Page 22: ...installed it must be controlled via the switching contact of the heat pump control unit In this case the external heat gen erator is controlled manually e g via the contactor relay accessories This means the cylinder tempera ture can also be influenced by the external heat gener ator Operating mode Electrical connection of the external heat generator System with immersion heater System without imm...

Page 23: ...ar separation from the mains for all active conductors corresponding to overvoltage category III 3 mm for full isolation This isolator must be fitted in the permanent electrical installation in line with installation requirements e g mains isolator or upstream circuit breaker We additionally recommend installing an AC DC sensitive RCD RCD class B for DC fault currents that can occur with energy ef...

Page 24: ... electrical current and result in appliance dam age Route extra low voltage ELV leads 42 V separately from cables 42 V 230 V Strip as little of the insulation as possible directly before the terminals and bundle close to the corresponding terminals Secure cables with cable ties Power cable 230 V 50 Hz A B 1500 Fig 20 A DHW heat pump B Power supply The DHW heat pump is fully wired with a 3 core pow...

Page 25: ... the refrigerant circuit for tightness 28 8 Cleaning the interior of the DHW cylinder 29 9 Checking and replacing the protective magnesium anode 30 10 Type T0S ze Checking the connections on the heat generator or the solar thermal system for leaks 11 Checking the fan for free rotation 30 12 Cleaning the evaporator 31 13 Closing the DHW heat pump 31 14 Starting the DHW heat pump 31 15 Commissioning...

Page 26: ...ng work Be aware that the fan may run on Opening the DHW heat pump Danger Hot surfaces can cause burns Switch off the appliance before carrying out maintenance and service work Allow the appliance to cool down Never touch hot surfaces on the appliance fit tings or pipework Commissioning inspection maintenance Shutting down the DHW heat pump 6136003 ...

Page 27: ...pletely fill the DHW cylinder Open the highest hot water draw off point Leave it open under supervision until only water is flowing out 2 Check the fittings for leaks and tighten if neces sary Commissioning inspection maintenance Opening the DHW heat pump cont 6136003 ...

Page 28: ...s Checking the refrigerant circuit for tightness Danger The refrigerant is a non poisonous gas that dis places air Unregulated escape of refrigerant in enclosed spaces can lead to breathing difficul ties and suffocation Ensure adequate ventilation in enclosed spaces Always observe regulations and guidelines on handling this type of refrigerant Danger Direct contact with refrigerant can be harmful ...

Page 29: ...ly or use a high pressure cleaner Please note Pointed sharp and hard objects can dam age the interior Only use plastic cleaning equipment for manual cleaning 06 Use a chemical cleaning agent to remove hard deposits that cannot be removed with a high pres sure cleaner Danger Cleaning agent residues can lead to poi soning Observe the cleaning agent manufacturer s instructions Please note Cleaning ag...

Page 30: ...nesium anode 4 If a visual inspection is necessary drain the DHW cylinder down to the installation height of the pro tective magnesium anode via the drain outlet see page 40 Note Replace the protective magnesium anode if the visual inspection indicates that it has been reduced to a diameter of 10 to 15 mm New protective magnesium anodes are 500 mm long and have a diameter of 26 mm Type T0S ze Chec...

Page 31: ...pliance to cool down Never touch hot surfaces on the appliance fit tings or pipework Check that the evaporator fins are clean Danger Sharp edged fins can cause injury If necessary clean the fins carefully Please note Incorrect cleaning of the fins can cause damage to the fins Never clean the fins with compressed air Closing the DHW heat pump See page 26 reverse order Starting the DHW heat pump Ple...

Page 32: ...olled manually Set the flow temperature to 70 C Outside temperature 7 C Set the flow temperature higher than the set DHW temperature of the DHW heat pump Outside temperature 7 C Set the flow temperature lower than the set DHW temperature of the DHW heat pump Selecting the set flow temperature External heat generator installation and service instructions Commissioning inspection maintenance Commiss...

Page 33: ...ncreased DHW hygiene or in the PROGRAM operating program 1 and OK Press and hold simultaneously for 3 s RST is displayed 2 Confirm with OK dONE appears The factory settings have been restored Note Time and date need to be set again 3 Exit RST with Overview of parameters Parame ter Delivered condi tion Setting range Unit Function I1 1 1 or 2 1 Operating mode recirculation air mode 2 Operating mode ...

Page 34: ...e set temperature is 55 to 65 C Note In emergency mode the DHW is heated solely by the immersion heater I6 OFF OFF or ON Option for the PROGRAM operating program OFF Standard DHW heating within the set time program ON NIGHT mode Optimised DHW heating be tween 23 00 h and 05 00 h The start is delayed in such a manner that the set DHW temperature is achieved at 05 00 h Checking the actuators Parame ...

Page 35: ...ator temperature sensor Safety high pressure switch Connecting the safety high pressure switch See page 43 Parameter Display range Unit Information PR 0 or 1 0 Safety high pressure switch not connected 1 Safety high pressure switch connected Diagnosis and service checks Installation menu cont 6136003 Diagnosis ...

Page 36: ...in the heat pump circuit Switch power supply OFF and ON again Or Acknowledge message See the following chapter ER 2 High limit safety cut out has responded Overheating of the DHW cylinder Ensure DHW is being drawn Reset high limit safety cut out see page 39 ER 3 Short circuit lead break top cylinder temperature sensor NTC1 Check resistance value and replace sensor if necessary see page 41 ER 4 Sho...

Page 37: ...nusually long Check heat pump and immersion heater check for leaks ER 10 No changeover between premium and economy tariff during past 24 hours Check input for premium economy tariff see page 43 Acknowledging messages Press and hold and OK simultaneously for 3 s to clear a message and resume standard operation Troubleshooting Messages cont 6136003 Diagnosis ...

Page 38: ... the immersion heater 1 Switch OFF the power supply to the system e g at a separate fuse or mains isolator 2 Disconnect the water supply 3 Remove the front cover See Fig 26 4 Remove the thermal insulation from the immersion heater Maintenance Maintenance 6136003 Maintenance ...

Page 39: ...front cover with an earth cable 14 Switch ON the power supply Resetting the DHW heat pump high limit safety cut out The DHW heat pump high limit safety cut out shuts the appliance down at a temperature of 90 5 C For this reason select a maximum value of 85 C for the set temperature of the external heat generator If an immersion heater has been installed this is also shut down Maintenance Maintenan...

Page 40: ...row replace heat pump control unit A Replacing the heat pump control unit 1 Switch OFF the power supply to the system e g at a separate fuse or mains isolator 2 Remove the front cover See Fig 26 page 38 4 5 3 6 A B Fig 30 3 Disconnect all cables B from heat pump control unit A 5 Fit the new heat pump control unit 6 Connect the cables to the heat pump control unit 7 Fit the front cover with an eart...

Page 41: ...sor M Evaporator N Safety high pressure switch O Condensate pan EPP base with integral drip tray P Compressor Note For cylinder temperature sensor positioning see Overview of connections on page 9 Checking the temperature sensors Sensor Test element Top cylinder temperature sensor L or XL profile NTC 50 kΩ Cylinder temperature sensor external heat generator only for type T0S ze NTC 10 kΩ Bottom cy...

Page 42: ...e is considerable deviation check the instal lation Replace sensor if required NTC 10 kΩ marked blue 10 1 10 Temperature in C 0 4 0 6 0 8 2 4 6 8 Resistance in kΩ 30 50 70 90 110 20 Fig 32 NTC 50 kΩ 10 30 50 70 90 110 Temperature in C 2 5 Resistance in kΩ 5 10 20 50 100 Fig 33 Maintenance Maintenance cont 6136003 Maintenance ...

Page 43: ...gnal lead for the photovoltaic system multifunc tional relay G Top cylinder temperature sensor NTC 50 kΩ L 750 mm NTC1 H Air intake temperature sensor NTC 50 kΩ L 1500 mm NTC2 I Bottom cylinder temperature sensor NTC 50 kΩ L 1150 mm NTC3 K Evaporator temperature sensor NTC 50 kΩ L 1000 mm NTC4 L Programming unit connection M Switching output for safety high pressure switch N Premium economy tariff...

Page 44: ...er supply R MCB 16 A S RCD T Mains isolator U Connection for tariff changeover on electricity meter V MCB 2 A Power supply without premium economy tariff signal F 16 A 30 mA 3 x 1 5 mm R S T L N O Fig 36 O Internal power supply R MCB 16 A S RCD T Mains isolator Connection and wiring diagram Connection and wiring diagram cont 6136003 Appendix ...

Page 45: ... Maintenance service Maintenance service Date By Maintenance service Maintenance service Maintenance service Date By Maintenance service Maintenance service Maintenance service Date By Maintenance service Maintenance service Maintenance service Date By Reports Reports 6136003 Appendix ...

Page 46: ...5 0 Performance data for recirculation air mode and re circulation air mode with air discharge to the out side to EN 16147 2011 at A15 W10 53 air intake tem perature 15 C room temperature 15 C Coefficient of performance ε COPDHW 3 33 3 50 3 33 3 50 Heat up time h min 07 39 08 15 07 39 08 15 Standby loss Pes W 22 24 22 24 Max available amount of water 40 C l 335 0 362 0 335 0 362 0 Application limi...

Page 47: ...mode Max air flow rate free blowing Speed 1 slow m3 h 331 331 331 331 Speed 2 fast m3 h 375 375 375 375 Integral DHW cylinder Material Enamelled steel Capacity l 254 254 246 246 Capacity of lower internal indirect coil l 6 5 6 5 Max permissible DHW temperature C 65 65 65 65 Max permissible DHW temperature with immersion heater C 65 65 65 65 Max achievable DHW temperature in conjunction with photov...

Page 48: ...und pressure level LW in recirculation air mode and recirculation air mode with air discharge to the outside with directivity Q 2 and distance 3 m dB A 38 38 38 38 Sound power level LW in outdoor air mode tested with reference to EN 12102 EN ISO 9614 2 ac curacy category 2 Maximum A weighted total sound power level inside the installation room Internal dB A 50 50 50 50 External dB A 64 64 64 64 So...

Page 49: ...s from the system are not part of ordinary household waste For decommissioning isolate the system from the power supply and allow components to cool down where appropriate Dispose of all components correctly Final decommissioning and disposal 6136003 Appendix ...

Page 50: ...h the European directives and supplementary national requirements in terms of its design and operational characteristics Using the serial number the full Declaration of Con formity can be found on the following website www viessmann co uk eu conformity Declaration of Conformity Declaration of Conformity 6136003 Appendix ...

Page 51: ...ections 22 Expansion vessel 19 Exterior wall duct 16 External heat generator 20 Extractor hood 16 F Factory settings 33 Fan 30 31 Faults 37 Overview 36 Filling DHW cylinder 27 Solar thermal system 28 Fireplace 16 Flexible pipe 16 Front cover removing 38 H Heat generator external 20 Heating element in the immersion heater 38 Heat pump commissioning 31 Heat pump opening 26 Heat pump starting 31 Heat...

Page 52: ...ture sensor for external heat generator 20 Temperature sensors 41 Testing Magnesium anode 30 Thermostatic mixing valve automatic 19 Tightness 28 Total pressure drop 16 Transport 10 Trap 18 W Water seal 18 Wiring diagram 43 Viessmann Limited Hortonwood 30 Telford Shropshire TF1 7YP GB Telephone 44 1952 675000 Fax 44 1952 675040 E mail info uk viessmann com Viessmann Werke GmbH Co KG D 35107 Allendo...

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