Ochsner 288800V Design And Installation Manual Download Page 43

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PIA-982027-AIR 85-td-EN | www.ochsner.com 43

Limits of use for heating

Temperature

Resistance

°C

-10

27649,70

16325,50

9951,80

6246,70

5000,00

4028,00

2662,40

1800,50

1243,50

875,80

628,10

458,10

100

339,30

110

255,00

120

194,30

130

149,90

140

117,00

150

92,40

14. Limits of use for heating

X Outdoor temperature [°C]

Y Flow temperature [°C]

Maximum design flow temperature

15. Limits of use for cooling

X Outdoor temperature [°C]

Y Flow temperature [°C]

16. Performance diagram for

heating

X Outdoor air temperature [°C]

Y Heating output [kW]

Summary of Contents for 288800V

Page 1: ...TRANSLATION OF THE ORIGINAL MANUAL HIGH EFFICIENCY AIR WATER HEAT PUMPS DESIGN AND INSTALLATION MANUAL AIR 85 ...

Page 2: ......

Page 3: ...or to outdoor unit 22 8 4 5 Temperature sensor 22 8 4 6 Pumps and servomotors 230 VAC 23 8 4 7 PSU signal contact 23 8 4 8 Smart grid 23 8 4 9 High limit safety cut out 23 INSTALLATION 9 Appliance installation 24 9 1 Installation of indoor unit 24 9 1 1 Delivery and transportation 24 9 1 2 Removing the transport packaging 24 9 1 3 Fitting the adjustable feet 25 9 1 4 Positioning the appliance 25 9...

Page 4: ...perational reliability only if the original accessories and spare parts intended for the appliance are used Observe all applicable national and regional regula tions and provisions 1 Information on documentation This documentation is aimed at qualified contractors and specialist design engineers It is not intended for use by appliance user Unless otherwise stated all content of this documentation ...

Page 5: ...ents are available and must be used 1 3 Units of measurement Information In these documents unless otherwise specified all lengths e g in tables and illustrations are given in millimetres 1 4 Specified performance figures The performance figures of the appliance indicated in these documents text tables and diagrams have been calculated according to standardised measurement con ditions However thes...

Page 6: ...ernal switching of the safety devic es in use must comply with local regulations In the case of upgrades or updates to the controller soft ware all function parameters of the heat pump must be checked Before commencing electrical connection and instal lation work the heat pump system must be isolated from the power supply The appliance must not be used as a step or plat form Do not climb on the ap...

Page 7: ...PIA 982027 AIR 85 sh EN www ochsner com 7 ...

Page 8: ...it system consists of an indoor unit and a separately installed outdoor unit The outdoor air is routed through the outdoor unit by means of a fan The indoor and outdoor units are connected through refrigerant lines Due to the defrosting mode integrated into OCHSNER air water heat pumps the system also operates flawlessly at temperatures below 15 C For air water heat pumps the most efficient and th...

Page 9: ...00_400_200_202_01_split_Funktionsweise EN www ochsner com 9 How split systems work ...

Page 10: ...as line 2 Liquid line 3 Heating water flow 4 Heating water return 5 Heat exchanger heat sink side 4 3 Appliance components 4 3 1 Indoor unit The indoor unit is intended to be installed inside the build ing only The indoor unit contains the compressor which is acoustically decoupled from casing at multiple points The casing is acoustically optimised and allows particularly quiet operation Compresso...

Page 11: ...mp heating systems with a cooling function as well as DHW heating In its standard version the heat pump control unit consists of the OTE controller and the master controller both of which are in stalled in the indoor unit The OTE controller can control the following system circuits and heat generators 1x direct circuit heating and or cooling 1x mixed circuit heating and or cooling 1x directly heat...

Page 12: ...cause problems with defrosting in defrosting mode Avoid installation in an open and exposed location with high expected wind loads e g flat roof of a house in a raised location Select an installation location where the appliance is on the side of the building facing away from the wind leeward side Material damage The air flow through the evaporator must not be obstructed by surrounding buildings A...

Page 13: ...and the wall conduits are not installed cor rectly structure borne sounds can be transmitted to the building Ensure that the refrigerant lines are in stalled in a way that ensures insulation from structure borne noise The system installer carrying out the work is responsible for this Never lay the refrigerant lines in a bricked in sleeve tube Noise transmission to the living space is unavoidable w...

Page 14: ...ction 4 Reinforced strip foundation 5 Drainage pipe frostproof 6 Foundation Information All solder joints on the refrigerant copper pipework must be accessible all year round for mainte nance purposes according to Regulation EU No 517 2014 Run the refrigerant pipes between the indoor and out door units Allow some surplus length in the refrigerant pipes between the connections at the indoor and out...

Page 15: ...ble as a sealant for the pipe liner 7 Indoor unit 7 1 Installation location Material damage The indoor unit is intended to be installed inside the building only It must not be installed in rooms with high levels of humidity permanently above 70 The installation room for the indoor unit must meet the following requirements A dry and frost free room Sound optimised environment A horizontal floor wit...

Page 16: ...ion location The outdoor unit must not be surrounded by walls objects on all four sides The outdoor unit must not be surrounded by walls objects on three sides The outdoor unit must not be positioned immediately adjacent to walls objects on two sides The outdoor unit may be positioned adjacent to walls objects on two sides provided the machine specific minimum clearances are observed It is permiss...

Page 17: ...side facing away from the sea 8 1 4 Foundation for the outdoor unit Spot foundation 1 Gravel bed 2 Drainage pipe frostproof 3 Spot foundation with underground sewer pipe A B C D AIR 85 1870 250 935 2045 Use underground sewer pipes when installing spot foun dations When installing spot foundations we recommend the fol lowing approach Dig out the foundation trench Lay the underground sewer pipes in ...

Page 18: ...ise transmission Loads and stresses on roof structure Do not install the outdoor unit on a roof structure of lightweight construction Note that when outdoor temperatures are very low ice can form beneath the outdoor unit In terms of roof structure loads allow for an ice load of 400 kg m in addition to the dead weight of the outdoor unit 1 Flat roof 2 Refrigerant lines in open air enclosed in therm...

Page 19: ...tioned higher A B C sum of line lengths D max height differ ential AIR 85 16 m 5 m Outdoor unit positioned lower A max height differential AIR 85 0 5 m Maximum connection line height 8 2 2 Material requirements The pipe diameter data for refrigerant lines shown below applies provided the following is observed Maximum 8x90 bending radii Use suitable fittings for bends Bending radii of 1 m are treat...

Page 20: ...m Information The minimum area of clear floor space in the in stallation room varies depending on the country Observe all applicable national and regional regulations and provisions Information If the installation area is too small the following measures may help Enlarging the space by creating a network of rooms Mechanical ventilation WARNING Refrigerant escaping into spaces that are too small po...

Page 21: ... series Material damage Protect the main electrical circuit compressor the control circuit controller and the optional electric auxiliary heater separately from one another For the electrical connection use the system principle schematic appropriate to your heat pump system Ensure there is equipotential bonding of the refrig erant lines via an equipotential bonding connector min 10 mm Insulate the...

Page 22: ...ight hand half of the outdoor unit Material damage Protect the cables between the indoor and outdoor units against UV radiation Use a UV resistant ca ble or a cable in a UV resistant hose Material damage Protect the cables between the indoor and outdoor units against damage from rodents The outdoor unit supply must not be any more lightweight than a rubber hose cable with a pol ychloroprene sheath...

Page 23: ...pared for commissioning The hydraulics must be fully connected 8 4 7 PSU signal contact Voltage present at the PSU signal contact Status 230 V Heat pump enabled 0 V PSU shutdown active Tariff switching on the heat pump system In the case of tariff switching with interrupted power sup ply the heat pump is temporarily shut down by the power supply utility PSU Uninterrupted tariff In the case of tari...

Page 24: ...ws to a one way pallet and packaged ready for transportation The transport packaging or one way pallet is suitable for transportation using a forklift truck For level transportation to the installation location the appliance may remain in the transport packaging Leave the appliance in the transport packaging or on the one way pallet for lifting and moving by crane or forklift The standard packagin...

Page 25: ... nuts Material damage If the height differential of the individual adjustable feet is too great this may result in damage to the threads of the adjustable feet when the heat pump is set down Ensure that the height differential between the adjustable feet is no greater than 5 turns 9 1 4 Positioning the appliance Position the appliance at the intended installation location Observe minimum clearance...

Page 26: ... appliance casing panel inside the control box Undo and remove the 2 fixing screws for the left hand appliance casing panel at the back of the appliance Lift the left hand appliance casing panel up and away Undo and remove the 3 fixing screws for the front ap pliance casing panel inside the control box Lift the front appliance casing panel up and away ...

Page 27: ...xing screws for the right hand appliance casing panel at the back of the appliance Lift the right hand appliance casing panel up and away Dismounting the bottom casing sections Undo and remove the fixing screw for the left hand appliance casing panel inside the appliance Undo and remove the 2 fixing screws for the left hand appliance casing panel at the back of the appliance Lift the left hand app...

Page 28: ...ight hand appliance casing panel at the back of the appliance Lift the right hand appliance casing panel up and away 9 1 6 Assembling the appliance casing Slide the right hand appliance casing panel down from the top along the frame of the appliance until the panel clicks into place at the bottom Install the appliance casing sections in reverse order For each appliance casing section ensure that i...

Page 29: ...th screws The transport packaging or one way pallet is suitable for transportation using a forklift truck For level transportation to the installation location the appliance may remain in the transport packaging Leave the appliance in the transport packaging or on the one way pallet for lifting and moving by crane or forklift The standard packaging of the appliance does not provide protection agai...

Page 30: ...d correctly during instal lation 9 2 4 Positioning the appliance Position the appliance on the prepared foundations Secure the legs of the outdoor unit on the foundations using 4 fixing screws 9 2 5 Dismantling the appliance casing By removing the side appliance casing panels on the out door unit you can gain access to the connection points for the refrigerant lines and to the terminal boxes for t...

Page 31: ...ilter is easy to clean for maintenance purposes Information Ensure that the flow velocity in the pipework does not exceed 0 8 m s as this can cause increased noise emissions 9 3 1 Flow rate Material damage An insufficient flow rate can cause damage to the heat pump system The flow rate is measured via the flow sensor and shown on the OTE controller display Install the supplied flow sensor When siz...

Page 32: ...ations re garding the design of the drain and prescribed regular operational tests Size the safety valve drain so that the water can drain freely via an open and readily visible waste water drain Install the hose with a consistent fall to the drain Avoid kinking the hose WARNING Burns The water that escapes when it is triggered is hot and can cause scalding on contact with skin Implement the safet...

Page 33: ...ng the control box cover Undo and remove the 4 nuts on the two metal plates at the cable entries Remove the two metal plates at the cable entries Information When fitting the cables in the indoor unit ensure that subsequent connection work and soldering on the refrigerant pipes will not be obstructed by the cables Information For the shielded cables between the outdoor and indoor units use the shi...

Page 34: ...me Description VD Main electrical circuit Compressor and fan supply Connection name Description OTE Control circuit PSU PSU signal contact HGP Heat generator pump 1 TK Fault message fans 1 1 2 compressor fan Power supply heat source sys tem outdoor unit 2 TK Fault message fans 2 ...

Page 35: ...ansion valve 2 Yellow YE 2 Brown BR 3 White WH 4 Connections used Description Sensor 42 Controller eBus 43 Mixer sensor NTC5k 44 Outdoor temperature sensor NTC5k 45 Top buffer sensor TPO NTC5k 52 Bottom buffer sensor TPM NTC5k 54 Flow sensor Vortex flow sensor Connections used Description 7 N PE Heating circuit pump 1 direct HCP 1 8 N PE Heating circuit pump 2 mixed HCP 2 Power supply via high lim...

Page 36: ...t N 5 Right hand half of outdoor unit Connection name Conductor colour Connec tions used Description OTE cable 1 40 Fan speed GND OTE cable 2 50 Defrost sensor 2 GND Cable X3 S2 Suction gas sen sor 2 GND Cable X4 Green GN 1 Stepper motor ex pansion valve 2 Yellow YE 2 Brown BR 3 White WH 4 TK Fault message fans 2 TK PE Power supply heat source system out door unit N 5 11 Initial start up Material ...

Page 37: ...or an OCHSNER special hydraulic system The minimum area of clear floor space in the installa tion room for the indoor unit has been observed For heat pumps with OTE controller The system datasheet is available and has been fully and correctly completed For air water heat pumps The outdoor unit has been correctly installed and bolted to the foundation If there is a snow cover it has been correctly ...

Page 38: ...refrigerant lines via the equipotential bonding connection The three phase supply has been checked to en sure a clockwise rotating field For air water heat pumps The outdoor unit is correctly wired The outdoor unit is correctly earthed outdoor unit supply 4 On site requirements An authorised and technically competent repre sentative of the system installer the heating or electrical contractor is p...

Page 39: ...rate settings Responsibility for the system remains with the system installer Checking the flow rates Checking that all shut off valves are open Checking the electrical connections to the system components including all required safety devices Switching on the main power circuit 3 phase supply to heat pump Switching on the power supply to the control circuit System configuration Checking the senso...

Page 40: ...940 Weight excl packaging kg 360 Standard colour Grey RAL 7016 Casing type Stainless steel coated Number of fans pce 4 Sound power level EN12102 Sound pressure level at 3 m dB A 67 49 6 Nominal Sound power level EN12102 Sound pressure level at 3 m dB A 64 46 6 Silent mode Evaporator type Finned tube Evaporator material WQA Copper aluminium REFRIGERANT CIRCUIT AIR 85 C14A Refrigerant R410A Refriger...

Page 41: ...t EN14511 kW 68 10 Power consumption EN14511 kW 13 97 Coefficient of performance COP EN14511 4 87 A2 W35 AIR 85 C14A Heating output EN14511 kW 50 17 Power consumption EN14511 kW 12 95 Coefficient of performance COP EN14511 3 87 A 7 W35 AIR 85 C14A Heating output EN14511 kW 47 90 Power consumption EN14511 kW 13 32 Coefficient of performance COP EN14511 3 60 A2 W55 AIR 85 C14A Heating output EN14825...

Page 42: ...istance C Ω 40 184025 00 30 109682 00 20 67170 00 10 42218 00 0 27197 00 10 17933 00 20 12087 00 25 10000 00 30 8315 00 40 5831 00 Temperature Resistance C Ω 50 4163 00 60 3023 00 70 2230 00 80 1669 00 90 1266 00 100 973 00 PT 1000 Article number 918422 Temperature Resistance C Ω 39 88 842 947 29 6 883 86 20 83 918 387 10 07 960 348 0 79 1002 897 10 04 1038 813 19 38 1075 154 25 08 1097 165 30 77 ...

Page 43: ...1800 50 60 1243 50 70 875 80 80 628 10 90 458 10 100 339 30 110 255 00 120 194 30 130 149 90 140 117 00 150 92 40 14 Limits of use for heating X Outdoor temperature C Y Flow temperature C 1 Maximum design flow temperature 15 Limits of use for cooling X Outdoor temperature C Y Flow temperature C 16 Performance diagram for heating X Outdoor air temperature C Y Heating output kW ...

Page 44: ...44 www ochsner com PIA 982027 AIR 85 td EN Performance diagram for cooling 17 Performance diagram for cooling X Outdoor air temperature C Y Cooling capacity kW ...

Page 45: ...PIA 982027 AIR 85 td EN www ochsner com 45 System principle schematic ...

Page 46: ...46 www ochsner com PIA 982027 AIR 85 td EN System principle schematic 18 System principle schematic 18 1 Heat consumption ...

Page 47: ... 2 Main electrical circuit compressor and fan 3 PSU signal contact 4 Outdoor temperature 5 Heat generator pump 6 Top buffer sensor TPO 7 Bottom buffer sensor TPM 8 Heating circuit pump 1 direct HCP 1 9 Mixer sensor TMK 10 Heating circuit pump 2 mixed HCP 2 Power supply via high limit safety cut out 11 Heating circuit mixing valve MVH 12 Control elements eBus 13 Flow sensor 14 2 Heat generator elec...

Page 48: ...rds apply Harmonic Maximum proportion 2 2 00 3 5 00 4 1 00 5 6 00 6 0 50 7 5 00 8 0 50 9 1 50 10 0 50 11 3 50 12 0 50 13 3 00 14 0 50 15 0 50 16 0 50 17 2 00 18 0 50 19 1 50 20 0 50 21 0 50 22 0 50 23 1 50 25 1 50 25 0 50 Total harmonic content THC 8 Frequency 49 5 Hz to 50 5 Hz Slow voltage changes 230 VAC 10 integration interval 10 min Rapid voltage changes 230 VAC 5 integration interval 10 ms V...

Page 49: ...27 AIR 85 td EN www ochsner com 49 Dimensions and connections 20 Dimensions and connections 20 1 Indoor unit 1 Liquid line refrigerant 2 Suction gas line refrigerant 3 Heating water flow 4 Heating water return ...

Page 50: ...www ochsner com PIA 982027 AIR 85 td EN Dimensions and connections 20 2 Outdoor unit 1 Suction gas line refrigerant 2 Liquid line refrigerant 3 Outdoor unit left 4 Outdoor unit right 5 Connecting elements ...

Page 51: ...PIA 982027 AIR 85 td EN www ochsner com 51 Dimensions and connections 20 2 1 Outdoor unit with Super Silent Package SSP 1 Cylindrical silencer 2 SSP snow cover ...

Page 52: ...ed Leave disposal of transport packaging to the qualified contractor or system installer who has installed the appliance Disposal of the appliance Dispose of the appliance properly and professionally at a regional waste collection facility Observe environmental regulations and standards applicable to your region Information The heat pump must not be disposed of with household waste Refrigerant R41...

Page 53: ...PIA 982027 AIR 85 EN01 www ochsner com 53 ...

Page 54: ...Notes ...

Page 55: ...Notes ...

Page 56: ...4 495 kontakt ochsner de www ochsner com OCHSNER Wärmepumpen GmbH Switzerland CH 8001 Zurich Uraniastrasse 18 Customer service hotline 41 0 800 100 911 kontakt ochsner com www ochsner com Head Office Factory A 3350 Haag Ochsner Strasse 1 Hotline for system partners 43 0 820 201020 Customer service hotline 43 0 5 04245 499 kontakt ochsner at www ochsner com OCHSNER East PL 31 302 Kraków ul Pod Fort...

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