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Operating Instructions/Installation Instructions OCHSNER AQUA OCHSNER TERRA Brine/Water Heat pump Heating/Cooling/Hot Water BA OCHSNER AQUA TERRA_EN_V01.1.docx Page 1 of 72...
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12.5 Performance curves TERRA 76 C ....36 Tariff without interruption ........ 9 12.6 Performance curves AQUA 54 C ....36 Switching off via tariff relay: ......9 12.7 Performance curves AQUA 83 C ....37 Off-peak tariff ..........9 12.8...
These pointers must be heeded adapted to the local instructions (for instance, by without fail. additional external switching of the safety appli- Attention - danger to life and limb ances used. Page BA OCHSNER AQUA TERRA_EN_V01.1.docx...
• chlorine-free, non-flammable safety refriger- ing. The compressors used by OCHSNER have the ant and bio-degradable special compressor oil highest performance and are the most durable. The SCROLL compressors have only a few moving parts and have no dynamic suction or pressure valves.
3.4 Select the place of instillation The heat pump TERRA can be installed in any dry and frost free room. Installation must take place on an even, horizontal surface. Page BA OCHSNER AQUA TERRA_EN_V01.1.docx...
C13A circuit breaker. • The supply cable must be protected against overload and short circuiting. • The regulations of the responsible energy utility and the relevant EN-standards are to be strictly adhered to. BA OCHSNER AQUA TERRA_EN_V01.1.docx Page 7 of 72...
The sheath connection to safety measures is the sole responsibility of the the heat pump is on Termi- electrician connecting the heat pump. nal PE OCHSNER recom- mends the following con- OCHNSER provides no guarantee in cases of sys- ventional cables:...
Utility on site) the power supply to the heat Ochsner hot water tanks are fitted with corre- pump compressor is switched off. In this case, the sponding sleeves for the installation.
(Legionella protec- tion). See El.-diagram in Annex. This function is op- tional and thus not in the heat pump's scope of de- livery. Page BA OCHSNER AQUA TERRA_EN_V01.1.docx...
Temperature sensor Pin.10 TA (outside tempera- ture) Pin.44/GND Heating circuit pump 2 Temperature sensor Pin.8/N/PE TMK (Mixing circuit) Pin.43/GND Heating circuit pump 1 Pin.7/N/PE Fig. 6: Control panel wiring TERRA basic wiring BA OCHSNER AQUA TERRA_EN_V01.1.docx Page 11 of 72...
3.0 bar. tem has to be drained off and refilled, this must be See ENISO 4126-1:2013-10-15 Part 1: Safety valves carried out in the presence of the OCHSNER works customer service / OCHSNER authorised partner A sufficient sizing of the hydraulic...
The heating system pipework is to be sized ac- cording to the technical data of the heat pump. Fig. 7: Hydraulic heat pump connection BA OCHSNER AQUA TERRA_EN_V01.1.docx Page 13 of 72...
5.5.2 Flow rate measurement heating sys- The flow rate meter is part of the heat pump and must be installed by the system installer according to the OCHSNER installation guidelines. Please ob- serve the instructions in the installation manual for flow rate measuring meters.
Flow rate heat Operational data 21-090 Thermal energy Settings 23-001 Relais test Thermal energy 50.1 l/min 23-010 ENTER ENTER 21-002 HEAT PUMP Flow rate heat source 55.4 l/min Fig. 11: Reading flow rate BA OCHSNER AQUA TERRA_EN_V01.1.docx Page 15 of 72...
+8°C and +22°C = the material has normally good resistance = not recommended for use = corrosion can occur if several OCHSNER accepts no liability for the correctness factors are evaluated with 0 of the analyses resp. changes in water quality. Notes: 5.8.1 Water quality...
OCHSNER accepts no liability for possi- must be installed by the system installer according ble damage which may occur if the flow to the OCHSNER installation guidelines. Please ob- rate meter is either not installed, incor- serve the instructions in the installation manual rectly installed, sized or wired up.
Commissioning must be carried out by Ochsner 6 Commissioning Customer Service or a service partner authorised by Ochsner. The Ochsner commissioning guide- 6.1 Before you switch on lines must be adhered to. Operating the system without a correct commissioning will lead to a for- The heat pump has no separate main switch.
The brine system must be filled and bled of air. ditional instruction etc., that do not fall within the realm of the OCHSNER firm’s Work that needs to be carried out by OCHSNER: duties will be invoiced separately • Check the refrigerant circuit •...
The circuit breakers must be so reachable as to ensure a switching off at any time. 7.1 Menus: The operation of the OCHSNER TERRA takes place via the master operation panel in the heat pump's inside unit. The user has 2 buttons at his disposal (A and B), as well as a lit graphic display showing the functions.
Please note that the emergency operation During the first heating season, higher running cannot be activated during the drying out pro- costs can generally be expected, depending on the gram. residual moisture in the building - up to 50%. Page BA OCHSNER AQUA TERRA_EN_V01.1.docx...
(e.g. reconstruction work or after burst piping), a by the user. OCHSNER can, if desired, offer a ser- current water test report is to be made and, if nec- vice contract in order to carry out any necessary...
Buffer charge pump defect, Changeover valve defect No hot water or heating Loss of power Check the reason system remains cold. Switch fuses/circuit breakers back on. Table 2: Trouble shooting 9.1 Error Codes OTE Page BA OCHSNER AQUA TERRA_EN_V01.1.docx...
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Replace sensor Er 49: TQA sensor defect Replace sensor Er 50: Expansion valve Check the function of the EEV (OCHSNER) Flow rate too low, lack of heat source energy, Er 56: Flow rate of heat source check source pump/filter Insufficient heat source energy, heat source...
Er 98: Electrical heating rod is only heat Check setting of heat pump operation selec- generator! tion Only for ELW or Air Eagle - Ochsner customer Er104: Buzzer malfunction heat pump service Er108: Communication malfunction Only for ELW - check wiring...
Please ensure that your heat pump system oper- We recommend an annual inspection (determina- tion of current condition) and, if required, servic- ates in an energy saving manner. The Ochsner Cus- tomer Service offers regular servicing for this. ing (establishment of correct condition) by a spe- cialist installer or the OCHSNER Customer Service.
The commis- cease to apply. sioning of the Ochsner machines must always be carried out by Ochsner or by a service part- Warranty conditions (excerpt from the ner authorised in writing by Ochsner. Commis- Standard Terms and Conditions of Supply)
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VDI 2035 must be if the system is commissioned by per- provided by the Customer. sons other than the Ochsner customer With regard to tanks, proof of maintenance of service or a service partner who has...
The Customer must comply strictly with the in- structions included in operating instructions, manuals and other product information docu- ments, in order to prevent potential damage. The Customer is expressly warned against any application going beyond the defined ar- eas of application. Page BA OCHSNER AQUA TERRA_EN_V01.1.docx...
Heat carrier flow volume 14.7 17.1 Residual head with recommended circulation pump mbar Cross-section connecting pipework 2“ Heat carrier temperature differential Range of application +8/+25 °C Heat carrier Water Testing pressure BA OCHSNER AQUA TERRA_EN_V01.1.docx Page 31 of 72...
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Sound pressure level in 1m 50.3 51.7 52.2 dB(A) 1) performance specifications with a component tolerance of ±10% 2) Performance specification to EN 14511 - ∆T 5K (EN255 - ∆T 10K) Table 3: Technical Data AQUA Page BA OCHSNER AQUA TERRA_EN_V01.1.docx...
Internal pressure differential mbar Heat carrier flow volume 10.7 16.0 20.0 Residual head with recommended circulation pump mbar Cross-section connecting pipework Heat carrier temperature differential Range of application °C Heat carrier Testing pressure BA OCHSNER AQUA TERRA_EN_V01.1.docx Page 33 of 72...
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Sound pressure level in 1m 50.6 52.1 52.7 dB(A) 1) performance specifications with a component tolerance of ±10% 2) Performance specification to EN 14511 - ∆T 5K (EN255 - ∆T 10K) Table 4: Technical Data TERRA Page BA OCHSNER AQUA TERRA_EN_V01.1.docx...
Wassertemperatur ( C) 35°C 45°C 50°C 60°C Wassertemperatur (°C) Wassertemperatur ( C) 12.8 Performance curves AQUA 97 C Leistungskurven AQUA 97 C Wassertemperatur ( C) 35°C 45°C 50°C 60°C Wassertemperatur (°C) Wassertemperatur ( C) BA OCHSNER AQUA TERRA_EN_V01.1.docx Page 37 of 72...
9) Flow sensor heat use All pipework, fittings and hoses are to be insulated on site with non-permeable insulating material. The flush fitting external thread screw connections are to be sealed with Teflon tape to prevent condensation entering. Page BA OCHSNER AQUA TERRA_EN_V01.1.docx...
Source pump ential ferential condenser Type [m³/h] [l/min] [mbar] [m³/h] [l/min] [mbar] 922651 Well pump SP AQUA 54 C 922347 Stratos 40/1-8 14-4 922651 Well pump SP AQUA 83 C 14.7 922462 Stratos 65/1-12 14.5 14-4 922651 Well pump SP...
13.1 Dismantling the top cover 2 screws according Remove image (4 mm Allen key) Cover slide a piece backwards and lift off upwards. BA OCHSNER AQUA TERRA_EN_V01.1.docx Page 49 of 72...
13.2 Disassembly of the upper cladding parts 3 screws according Remove image (4 mm Allen key) 2 screws according Remove image (4 mm Allen key) Page BA OCHSNER AQUA TERRA_EN_V01.1.docx...
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2 screws on the back remove (4 mm Allen key) BA OCHSNER AQUA TERRA_EN_V01.1.docx Page 51 of 72...
The upper side parts (left and right) can be lifted The front end plate can be lifted. !!! WATCH OUT!!! Note the wire to display!!! 13.3 Remove the back panel parts 2 screws at the front, according to the pictures removed (allen key 4mm) Page BA OCHSNER AQUA TERRA_EN_V01.1.docx...
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3 screws Left Front loud Remove image (4 mm Allen key) 2 screws on the back, according to the pictures removed (allen key 4mm) BA OCHSNER AQUA TERRA_EN_V01.1.docx Page 53 of 72...
13.5 Mounting the feet Mount the 4 leveling feet (Ochsner Art. No.: 916 431) with M16 nut !!! DANGER !!! Once the machine is on the feet, may the height difference of the individual feet not be too large (about 5 threads). →damage to the thread BA OCHSNER AQUA TERRA_EN_V01.1.docx...
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