MHG Heating 98.30000-6324 Instructions To Assembly-Startup-Maintenance Download Page 36 | Manualshive

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6. Assembly

ThermiStar L .. SP 01/03/10

36

Welding work

NOTE!
If any welding work is scheduled on the refrigerant
line, a protective gas (i.e. nitrogen) will need to be
passed through the pipe in order to prevent scale
formation. Scale and other contamination can impair
the proper operation of the device leading to disor-
ders.

Assembly of the split evaporator

CAUTION!
Risk of injury due to refrigerant!
Refrigerant is corrosive and causes cold burns upon
contact with skin.
Therefore:

-

Wear chemical-resistant protective gloves when
handling refrigerant at any time.

-

Wear protective glasses to avoid contact with eyes.

-

The location of the evaporator must always be higher than the
heat pump unit (ensure proper gradient when installing cooling
lines).

NOTE!
Install the split evaporator in flow direction parallel to
the property boundary (not towards the neighbouring
plot) in order to reduce noise transmission to neigh-
bouring properties.

NOTE!
Ensure that no plants or objects are located in flow
direction in order to guarantee efficient operation.

CAUTION!
Device damage due to improper installation of cool-
ing lines or improper positioning of the evaporator.
Mechanical damage to the device can occur due to
insufficient lubrication.
Therefore:

-

Dimensioning and installation of cooling lines must
be carried out by technicians authorised by MHG.

-

The length of the cooling line may not exceed 15m
single distance.

-

The gradient of the cooling line from the split
evaporator to the heating pump may not exceed
1.5 m.

-

The line dimensions are matched exactly to the capacity of the
heat pump (line length between heat pump and split evaporator up
to max. 20 m). Altered line routing and clearances between heat
pump and split evaporator must be agreed upon with MHG since
the pipe dimensioning changes. Long line paths extend the thaw-
ing process and are to be avoided.

-

The lines are insulated with diffusion-proof material. The gaps of
the insulation must be glued.

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Summary of Contents for 98.30000-6324

Page 1: ...ThermiStar L SP 01 03 10 ...

Page 2: ... 3 4 Handling of packaging material 13 3 5 Disposal of packaging 13 3 6 Disposal of the device 13 4 General 14 4 1 Product Description 14 4 2 Scope of delivery 14 4 3 Accessories 14 5 Technical Data 16 5 1 Dimensions and connection ratings 16 5 2 Type plate 18 5 3 Technical data 20 5 4 Electrical data 22 6 Assembly 32 6 1 Safety during assembly 32 6 2 Requirements on the erection location of the h...

Page 3: ...61 8 Maintenance 62 8 1 Maintenance 62 8 2 Components relevant to safety 63 8 3 Work activities to be performed 64 8 4 Spare part drawing and legend 68 9 Troubleshooting 69 9 1 Troubleshooting 69 10 Warranty 72 10 1 Warranty 72 10 2 Manufacturer Certificate EU Design Conformity Declaration 75 10 3 Proof of Service 77 11 Hydraulic diagrams 82 11 1 Hydraulic diagrams 82 12 Index 91 ...

Page 4: ...al heating systems and for central warm water preparation Any other or additional use is considered not in compliance with the intended use MHG Heiztechnik does not assume any liability for consequential damages The risk will be borne by the owner of the equipment alone MHG devices have been built in accordance with the applicable standards and guidelines as well as the valid safety rules However ...

Page 5: ...sonal injuries and property damages DANGER alerts to life threatening situations through electrical current WARNING alerts to a possibly dangerous situation which may cause death or serious injuries if not avoided CAUTION alerts to a possibly dangerous situation which may cause minor or light injuries if not avoided CAUTION alerts to a possibly dangerous situation which can lead to property damage...

Page 6: ...ce The necessity of regular service of the devices must be pointed out Technical personnel is able because of their technical training know how and experience as well as knowledge of the relevant regulations to carry out the work activities assigned to him and to detect possible dangers on his own Cooling systems technician must provide certification in accordance with Article 5 of the Commission ...

Page 7: ...hat all components have cooled down to the ambient temperature before commencing any work Do not touch the compressor and hot gas line during operation Refrigerant The safety datasheet concerning refrigerant R 410A is available for download at www mhg de Download Sicherheitsdatenblätter NOTE In case of emergencies ring the telephone number below 44 0 208 762 83 22 CareChem 24 Europe WARNING Danger...

Page 8: ...n the lines for water and electrical power On the safety valve and the drain line for the heating water On structural elements which might impact the operational safety of the device Opening and or repairing original parts e g drive controller Heating water WARNING Risk of poisoning through heating water The use of heating water leads to poisoning Therefore Never use heating water as drinking wate...

Page 9: ...heating systems DIN EN 60335 Part 1 2004 Safety of electrical appliances for household and similar purposes DIN EN 12056 01 2001 Drainage systems DIN 1986 Materials drainage system Property drainage DIN 1988 12 1988 Technical rules for drinking water installations TRWI DIN 4726 01 2001 Plastic pipes for warm water floor heating DIN 4753 03 1988 Water heaters and water heating systems for drinking ...

Page 10: ...noise protection TRGS 521 Part 4 Technical rules for hazardous substances VDI 2035 12 2006 Guidelines for the prevention of damages in warm water heating systems calcification in drinking water heating systems and warm water heating systems VDE Stipulations and special requirements of the public utility companies Additional Standards Regulations for Austria In Austria the local building regulation...

Page 11: ... installations must be followed especially Directives Guidelines by LRV Swiss air purification directive VKF Association of cantonal fire insurances SVGW Swiss association of gas and water subjects SEV Swiss association for electrical energy and information technology PROCAL Supplier association for heating materials PROCAL Technical Bulletins Corrosion damages through oxygen in heating water oxyg...

Page 12: ...ctive equipment Wear safety boots and protective gloves during handling and trans port NOTE The heat pump may only be transported standing and never horizontally CAUTION Device damage through improper handling The copper pipes can be easily bent Therefore Do not hold on to the insulated pipe hot gas line Apply force only to the base plate or the frame 3 2 Inspection of the delivery Inspect the del...

Page 13: ...hildren 3 5 Disposal of packaging Recycling The entire packaging material carton material routing sheets plastic foils and pouches are completely recyclable 3 6 Disposal of the device NOTES FOR DISPOSAL The device contains electrical and electronic components Please do not dispose of device or replaced parts in household waste Proper disposal of hazardous waste is required End of life devices must...

Page 14: ... 407 C for heating water temperatures up to 55 C at outside temperatures up to 7 C Min outside temperature 15 C Outer part Air evaporator with enlarged lamella spacing and whisper ventilator with electric motor Weather resistant design with snow protection roof Color Light grey RAL 7035 Condensate drainage on gravel bed 4 2 Scope of delivery Heat pump with inner and outer part incl heat pump contr...

Page 15: ...evice for receiving and forwarding signals Contact temperature probe QAD 36 101 94 19314 5015 NTC 10 kOhm Service water sensor QAZ 36 94 19314 5013 2 m 94 19314 5012 6 m Service water sensor to record the warm water reservoir temperature for Boiler Management Unit LMU and RVS with power cable 2 x 0 5 mm NTC 10 kOhm 10000 Ohm at 25 C Collector sensor QAZ 36 481 101 94 19314 5018 1 5 m For RVS or LM...

Page 16: ...0 121 Stand 06 11 09 5 Technical Data 5 1 Dimensions and connection ratings Connections at rear wall of heat pump Sk09 6200 023_a Stand 06 11 09 Fig 1 Connections at rear wall of heat pump L05 to L15 Fig 2 Connections at rear wall of heat pump L19 to L41 ...

Page 17: ... walls and obstacles 200 mm D Min distance to walls and obstacles 500 mm EAL Electrical connection of fan split evaporator 3x0 75 mm supply line for 0 10 V signal 2x0 75 mm FA Foundation Take note of the following information KB Gravel bed at least 250 mm deep KRS Refrigerant pipe connection STR Direction of flow ZAF Supply line for temperature sensor 2x2x0 75 mm see also page 30 Electrical data c...

Page 18: ...5 Technical Data ThermiStar L SP 01 03 10 18 5 2 Type plate Fig 4 Sample type plate ...

Page 19: ...ity 7 Output A2 W35 8 Output B0 W35 9 Output W10 W35 10 Output W7 W35 11 Rated thermal output 12 max positive operating pressure 13 max flow temperature 14 Pressure limiter 15 Electric connection 16 Power consumption 17 Power current 18 Control current 19 Nominal current 20 Operating current 21 Starting current compressor 22 Protection class 23 Manufacturer 24 CAUTION HIGH VOLTAGE ...

Page 20: ...ow A 3x10 3x16 3x20 3x25 3x32 3x40 3x63 Recommended wire gauge mm 1 5 2 5 4 0 6 0 10 0 Electrical connection Compressor Control current 3NPE 400 V 1NPE 230 V Protection class heat pump IP 40 according to EN 60529 Protection class split evaporator IP 54 according to EN 60529 Evaporated air flow rate nominal m h 2645 2570 3330 5220 5220 6670 10820 16010 14800 Sound pressure at 5 m dB A 32 32 38 35 3...

Page 21: ...ThermiStar L SP 01 03 10 5 Technical Data 21 ...

Page 22: ...diagram for ThermiStar L 05 SP L 07 SP with expansion set up to 7 kW QAA75 611 AVS37 294 209 RVS 61 843 KP MV A Stand 09 02 2010 Sk09 6200 018_c VER M1 LG NOT HS EW S STf NTf V SP MV Hz MV FLL Fig 5 Wiring diagram for ThermiStar L 05 SP L 07 SP with expansion set up to 7 kW ...

Page 23: ...as line normally closed MV Hz Solenoid refrigerant circulation heating normally closed N N1 Neutral lead A1 Relay coil L ND Pressure switch low pressure A2 Relay coil N NOT Control switch for emergency switch if needed AF Outside sensor AVS 37 Control unit NTf Normal tariff EW S Mains supply lock PKZM Motor protection switch F1 Fine wire fuse condenser pump Ventilator split evaporator 4 AT QAA 75 ...

Page 24: ...rmiStar L 10 SP L 19 SP with expansion set 10 20 kW QAA75 611 AVS37 294 209 RVS 61 843 KP Stand 09 02 2010 Sk09 6200 019_c VER M1 S1 LG NOT HS EW S STf NTf INT V SP Tr MV A MV Hz MV FLL L19 Fig 6 Wiring diagram for ThermiStar L 10 SP L 19 SP with expansion set 10 20 kW ...

Page 25: ...lay coil L NOT Control switch for emergency switch if needed A2 Relay coil N A3 Supply line control voltage motor control unit NTf Normal tariff A4 Supply line control voltage motor control unit QAA 75 Room device AF Outside sensor QE Source intake sensor AVS 37 Control unit RVS 61 Heat pump controller EW S Mains supply lock RL WP Return heat pump sensor F1 Fine wire fuse condenser pump Ventilator...

Page 26: ...or ThermiStar L 28 SP L 41 SP with expansion set 25 kW QAA75 611 AVS37 294 209 RVS 61 843 KP Stand 09 02 2010 Sk09 6200 020_c VER M1 S1 LG NOT HS EW S STf NTf INT V SP MV A MV Hz MV FLL Fig 7 Wiring diagram for ThermiStar L 28 SP L 41 SP with expansion set 25 kW ...

Page 27: ...line normally closed MV Hz Solenoid refrigerant circulation heating normally closed N N1 Neutral lead A1 Relay coil L ND Pressure switch low pressure A2 Relay coil N NOT Control switch for emergency switch if needed AF Outside sensor AVS 37 Control unit NTf Normal tariff EW S Mains supply lock PKZM Motor protection switch F1 Fine wire fuse condenser pump Ventilator split evaporator 4 AT QAA 75 Roo...

Page 28: ...x2 Sensor refrigerant liquid B83 48 1 B84 Sensor evaporator VDF 49 0 B91 Sensor source intake QE Terminal assignment on the heat pump controller RVS 61 Z Y X W V U T S R Q P K N L z y x w u t s r q p n k h f e b b b a N VD1 BWL HK1P HK1M WQP S PLP MFA1 RG2 RG1 BW AT VLWP MFE1 MFE2 MFE3 MFE4 LPB ND HD MFE A MFE B MFE C MFE D MFE E MFE F MFE G MFA2 MFA3 MFA4 MFA5 MFA6 BSB H1 H2 VL1 RLWP WQE WQA MFE5...

Page 29: ... valve connector W terminals QX1 N MFE F Multifunctional input F functions see MFE A connector P terminal EX6 MFA2 Multifunctional output 2 functions see MFA1 connector W terminals QX2 N MHE G Multifunctional input G functions see MFE A connector P terminal EX7 MFA3 Multifunctional output 3 functions see MFA1 connector X terminals QX3 N N Line input connector N L terminal N L ND Low pressure press...

Page 30: ...range DC 0 10 V Internal resistance 100 kΩ Line inputs EX1 EX7 E9 E11 AC 230 V 10 Internal resistance 100 kΩ Sensor input B9 Sensor inputs B1 B3 B4 B21 B41 B71 B81 B82 B91 und B92 Sensor inputs BX1 BX5 NTC1k QAC34 NTC10k QAZ36 QAD36 NTC10K QAZ36 QAD36 PT 1000 Permitted sensor lines Cu At wire gauge Max length 0 25 0 5 0 75 1 0 1 5 mm2 20 40 60 80 120 m Outputs Relay outputs Q2 Q3 Q8 Q9 QX1 QX6 Y1 ...

Page 31: ...m Max cable capacity 60 nF 0 5 mm2 LPB with controller bus feed per controller with central bus feed bus load number Cu cable 1 5 mm2 2 wire not interchangeable 250 m 460 m E 3 Standards Safety EMC etc CE conformity according to EMC guideline Electromagnetic immunity Emissions Low voltage guideline electrical safety 2004 108 EC EN 61000 6 2 EN 61000 6 3 2006 95 EC EN 60730 1 EN 60730 2 9 ...

Page 32: ...serious injuries Therefore Work on electrical systems may only be performed by professional electricians Turn off electric power before beginning the work activities and secure against turning on again 6 2 Requirements on the erec tion location of the heat pump Before doing the installation make sure that the erection location meets the following requirements Operating temperature 5 C to 45 C Dry ...

Page 33: ... structure borne sound transmission create a separate pedestal e g heavy concrete in mounted in floating fashion e g on rubber A pedestal is recommended for easier maintenance and care NOTE MHG Heiztechnik recommends the installation of an oil sump pump especially if the condenser is located shut off in a room for several hours below 12 C and it becomes colder than the evaporator This condition ca...

Page 34: ...llected stored and transported in suitable containers and be disposed off The regulations of the heating and plumbing trade DVGW DIN etc and of electrotechnics potential equalization utility company connection conditions DIN VDE etc must be followed in particular Transport NOTE The heat pump may only be transported standing and never horizontally The heat pump is delivered standing on a wooden pal...

Page 35: ...as its products of decomposition in the lit cigarette act as an irritant and a poison CAUTION Risk of injury due to refrigerant Refrigerant is corrosive and causes cold burns upon contact with skin Therefore Wear chemical resistant protective gloves when handling refrigerant at any time Wear protective glasses to avoid contact with eyes NOTE For operators of equipment containing 3kg or more of ref...

Page 36: ...o reduce noise transmission to neigh bouring properties NOTE Ensure that no plants or objects are located in flow direction in order to guarantee efficient operation CAUTION Device damage due to improper installation of cool ing lines or improper positioning of the evaporator Mechanical damage to the device can occur due to insufficient lubrication Therefore Dimensioning and installation of coolin...

Page 37: ...ty enters the pipes while installing them For underground installation the depth of the pipes must be a min of 25 cm for areas exposed to traf fic a min of 50 cm The installation of the pipelines must be carried out using a protective DN 100 pipe The ends of the protective pipe must be sealed and waterproofed The wall duct must be watertight Do not let clipping particles get into the refrigerant l...

Page 38: ... L SP 01 03 10 38 NOTE Ball valves must remain shut delivery condition Fig 10 Connection split evaporator Legend for Fig 10 Abbr Meaning 1 Fluid line 2 Suction gas line 3 Hot gas line 4 Sensor cable heat source evaporation ...

Page 39: ...ThermiStar L SP 01 03 10 6 Assembly 39 Fig 11 Sensor cable heat source intake 5 ...

Page 40: ... the foil packaging and install the heating pump in accor dance with the following steps Fig 12 Heating pump without enclosure Fig 13 Place the heat pump with the pallet next to the actual erection location Loosen the transport braces 1 marked in red on the base plate of the heat pump and lift the latter to the final erection site ...

Page 41: ...t the refrigerant lines lead to condensation or humidity in the air and can cause water damage Therefore The heat source lines are lined with diffusion resistant insulation which must not be damaged Any damage at the time of installation must be sealed to ensure diffusion resistance Avoid contact of heat source lines carrying refrig erant with ambient air by ensuring insulation is sealed without a...

Page 42: ...6 Assembly ThermiStar L SP 01 03 10 42 Fig 15 Place the counter nut into the insulation and screw in the cable gland ...

Page 43: ...tools Take note of bending radius to avoid bending or breaking of pipes To avoid brittle or cracking pipes do not bend the pipes repeatedly In order to reduce loss of pressure and to ensure return of compressor oil avoid unnecessary bending of the pipes Use appropriate fastening and insulation during refrigerant line installation Use only non cutting tools special pipe cutting tools to shorten ref...

Page 44: ...ction gas line 3 Hot gas line Evacuate the suction liquid and hot gas lines Connect the devices to the Schrader valves for evacuation see Fig 10 After the evacuation has been completed open the ball valves to allow the refrigerant to distribute The system is operational after the electrical installation has been made ...

Page 45: ...er to protect the plate heat exchanger Do not use any chemical additives Fig 17 Hydraulic connections Legend for Fig 17 Abbr Meaning 1 Flow 2 Return Verify correct flow direction when connecting the hydraulic line At the condenser the in flow is at the bottom heating water return to heat pump It is important with the hydraulic connection to observe the correct directions of flow For the condenser ...

Page 46: ...t The applicable VDE and utility company regulations as well as the respective regulations and guidelines of the country of destinations must be complied with The electrical connections must be inspected by a responsible technician before establishing the connection with the line supply CAUTION Interferences through electrical fields Supply lines 230 V may interfere with sensor lines electrical lo...

Page 47: ...rmal tariff N Solenoid liquid line N Solenoid heater N Solenoid thawing N 3 6 9 12 15 18 21 24 27 30 Condenser pump PE Heat source pump ventilator PE Special tariff PE Special tariff L3 Pressure switch low pressure L Pressure switch low pressure Normal tariff PE Solenoid liquid line PE Solenoid heater PE Solenoid thawing PE The electrical connection is made according to the wiring diagram in chapt...

Page 48: ...Fig 20 Place the control unit on the heat pump Electrical connections RVS control ler Component Connection to Line on site Sensor outside RVS controller slot k terminal B9 M Cable interchange able Sensor source in take 49 0 RVS controller slot r terminal B91 M Cable interchange able Sensor evaporator 48 1 RVS controller slot s terminal B84 M Cable interchange able Control signal 0 10 V RVS control...

Page 49: ...1 L2 L3 L1 N PE 230V 50 60 Hz 1 R2 R1 2 0 10V PWM out RSA RSB RSA RSB GND 0 10V PWM 0 10V PWM 4 20mA 20V 10V GND OUT NO COM NC N L L1 L1 N PE 230V 50 60 Hz 1 R2 2 RSA RSB RSA RSB GND 0 10V PWM 0 10V PWM 4 20mA 20V 10V GND OUT NO COM NC N L L1 L1 N PE 230V 50 60 Hz 1 R2 2 Sk09 6200 125 Stand 19 11 09 R1 R1 L2 L3 L2 L3 3 Fig 21 Connection terminals ventilator s ...

Page 50: ...6 Assembly ThermiStar L SP 01 03 10 50 Enclosure assembly Fig 22 Snap the catches of the side panel of the enclosure into the rear panel Fig 23 Fix side panels on the rear panel of the enclosure ...

Page 51: ...ThermiStar L SP 01 03 10 6 Assembly 51 Fig 24 Insert the spring plates in the side enclosures Fig 25 Snap the front panel onto the catches of the side panel ...

Page 52: ...6 Assembly ThermiStar L SP 01 03 10 52 Fig 26 Screw the closing journals into the lid of the enclosure Fig 27 Position the lid Fig 28 Insert the bracket ...

Page 53: ... 10 6 Assembly 53 Fig 29 Screw in the upper wing nut of the bracket Fig 30 Screw in the lower wing nut of the bracket Fig 31 Reach through the opening of the bracket to remove the control unit and attach it from the outside ...

Page 54: ...01 03 10 54 Motor control unitRSHL 4818 for ThermiStar L 10 bis L 19 Fig 32 Operational diagram RSHL 4818 Legend for Fig 32 Abbr Meaning 1 LED indication 2 Push button 3 Setting to 1 4 Current settings 5 Multiplier Current Limit ...

Page 55: ...vailable Auto Class 10 Protec tion Class 20 Protec tion Phase sequence alarm disabled Phase sequence alarm enabled Will flash simultaneously in case of fault Push button Default MANUELL Hold Button RESET Default 10 Hold Button TEST ENABLE or DISABLE Default ENABLE Current settings ThermiStar L 10 8 2 A ThermiStar L 13 10 1 A ThermiStar L 15 11 8 A ThermiStar L 19 16 0 A Multiplier Current Limit Mu...

Page 56: ...ON LED yellow flashing Ramping LED yellow continuous Bypass relay ON LED red flashing LED red continuous Over temperature alarm Device alarm Motor alarm PTC sensor LED red flashing Wrong phase sequence LED red flashing at 4Hz LED red flashing at 1 3Hz Phase loss Phase loss alarm Under voltage alarm Detection of these alarm conditions is made during power up of the device Controller and control uni...

Page 57: ...nd hydraulic lines are shut off and secured against inadvertent opening Use only suitable tools 7 2 Inspection before startup Make sure of the following after proper assembly the electrical connection was performed correctly the polarity of the line connection is correct electrical voltage is applied the heating system and the possibly available reservoir are correctly filled and vented the correc...

Page 58: ... presented to the relevant authorities and the commission upon re quest CAUTION Risk of injury due to refrigerant Refrigerant leakage damages the environment 100 24 000 times more than carbon dioxide CO2 Therefore Hermetically sealed systems that contain 6 kg of re frigerant or more must not exceed a leakage rate of 1 CAUTION Device damage through wrong direction of rotation of the condenser Rever...

Page 59: ...he amount of refrigerant is established through the measurement and comparison of the refrigerant condensation temperature and heating pump flow temperature The heat pump compressor must be activated for min of 10 min and a flow temperature of approx 50 C must be reached before measurement or the results will not be reliable and the amount of refrigerant indicated will not be cor rect The differen...

Page 60: ...ation 6 Accept settings 7 Adjusting the room comfort setpoint Navigation and settings Symbol Display options Heating in constant mode day comfort mode Heating in constant mode night reduced mode Heating on standby freeze protection mode Process running please wait Replace battery Holiday function active Reference to heating circuit Maintenance Special functions Error messages Info level activated ...

Page 61: ...HG refers to the Assembly Operation Maintenance manual RVS 61 843 AVS 37 QAA 75 QAA 78 Part No 98 18803 6105 The factory parameters can be taken from the table on the pages 86 87 7 6 Startup protocol NOTE The work activities performed are to be entered in the separate startup protocol ...

Page 62: ...nction and any defects encountered shall be repaired without delay NOTE Professional annual maintenance is stipulated according to the warranty conditions of MHG Heiztechnik DANGER Danger of life through electric current Contact with live components represents a risk to life Activated electrical components can perform uncontrolled movements and cause serious injuries Therefore Work on electrical s...

Page 63: ...ing cycles can usually read on a display indicator In cases where the switching cycle cannot be read the time is relevant for the replacement Nominal service life of heat generator components Components relevant to safety Time a Switching cycles Regulation 10 250 000 Pressure relief valves 10 n a List of typical wearing parts The wearing parts are regularly inspected by the trained technician duri...

Page 64: ...rtup maintenance or final disposal Details identifying the company or technical per sonnel that carried out the installation startup or any maintenance work Dates and results of all inspections The recorded information must be presented to the relevant authorities and the commission upon re quest CAUTION Risk of injury due to refrigerant Refrigerant leakage damages the environment 100 24 000 times...

Page 65: ...ure function of expansion vessel venting rotation direction of pump and capacity setting Check the controller settings CAUTION Environmental damage through substances hazardous to groundwater Substances hazardous to groundwater such as greases oils refrigerants solvent based cleaning agents and the like can burden the ground or get into the sewage system Therefore These substances must be collecte...

Page 66: ...n dismantling the control unit Fig 36 Insert a screw driver according to the above illustration into the right and than into the left upper recess push the catch down and the screw driver forward at the same time Fig 37 Insert a screw driver first into the right and then into the left lower recess push the catch down and the screw driver forward at the same time ...

Page 67: ...ThermiStar L SP 01 03 10 8 Maintenance 67 Fig 38 Remove the control unit from the bracket Fig 39 Reach the control unit through the opening of the bracket an d store inside ...

Page 68: ...8 Maintenance ThermiStar L SP 01 03 10 68 8 4 Spare part drawing and legend Fig 40 ...

Page 69: ... the condenser due to excessive wear Therefore Find out why the high pressure safety limiter was triggered and remove the cause Another possible reason for triggering this high pressure safety limiter may also be related to the local conditions of the heat pump s installation site which may necessitate the installation of an oil sump heater strip heater on the condenser or a pump down function App...

Page 70: ... parameter set incorrectly Set parameters according to guide Wrong position of sensor or insufficient mounting Manual unlocking may possibly be necessary if the low pressure monitor triggers Faults on output side HP fault Heating pump is not running Check fuse check relay contactor K4 Check running wheel for dirt build up Water circulation interrupted or insufficient possibly not enough heating ci...

Page 71: ...t factory service Operation with incorrect refrigerant Request factory service Compressed gas temperature too high Request factory service Fault current FI circuit breaker activates Wrong allocation of neutral lead for special normal tariff Check device wiring heating pump locked Special tariff supply line interrupted off time preset by utility company bivalence point undercut Check special tariff...

Page 72: ... due to special designs additional ordering options or latest technical changes Copyright protection These instructions are copyright protected by MHG Heiztechnik Copying in any type and format even in excerpts as well as the use and or publication of the content or parts thereof are not permitted without written release authorization by MHG Heiztechnik Infringements are liable to damage compensat...

Page 73: ...pare parts that must be replaced when the device is used as intended within the warranty period The warranty periods have been extended by law makers however this does not preclude possible wear and tear from operation It is known that a device may operate up to 8 760 hours a year when used as intended if this is a permanent operation system According to customary commercial treatment the costs in...

Page 74: ...d are delivers as new at their own costs and risk MHG provides warranty for replaced parts to the same extent as for the original delivery item The following warranty periods apply for the Thermistar heat pump 5 years Material warranty for theheat pump function 2 years Material warranty for all electrical and other components The ordering party can only assert warranty claims from MHG if the start...

Page 75: ...he heat pump The high pressure guard safety limit switch shuts off the condenser automatically if the pressure of the medium in the refrigerant cycle exceeds 26 bar The refrigerants R407C or R134A and the cooling equipment machine oil diester oil are environmentally compatible According to the EU safety data sheet the refrigerant R407C consists of 23 difluoromethane HFKW 32 25 pentafluoroethane HF...

Page 76: ... heat pumps Safety and environmentally relevant requirements DIN EN 378 01 2000 Aircon liquid chilling unit and heat pumps with electrical powered compressors heating DIN EN 255 07 1997 DIN EN 14511 02 2008 Safety switching mechanism for the pressure limitation in cooling systems and heat pumps Requirements and testing DIN 32733 1989 01 Cooling systems and heat pumps Protection of soil groundwater...

Page 77: ...nt recycled g 5 Cooling cycle functionality check F 6 Refrigerant circuit leak tightness verification F 7 Electric connections check F 8 Inspection of seals and replacement where necessary F 9 Leak tightness verification in operation mode F 10 Pump functionality check F 11 Mixer Mixer engine functionality check if applicable F 12 Parameter Room unit control F 13 Electric meter reading kWh 14 Heat ...

Page 78: ...eat meter reading Heat meter reading Leak tightness verification completed Date Leak tightness verification completed Date Leaks repaired yes no Leaks repaired yes no Inspection due after 4 weeks Date Inspection due after 4 weeks Date Inspection carried out Date Inspection carried out Date Next maintenance due Date Next maintenance due Date Address of Certified Company Address of Certified Company...

Page 79: ...eat meter reading Heat meter reading Leak tightness verification completed Date Leak tightness verification completed Date Leaks repaired yes no Leaks repaired yes no Inspection due after 4 weeks Date Inspection due after 4 weeks Date Inspection carried out Date Inspection carried out Date Next maintenance due Date Next maintenance due Date Address of Certified Company Address of Certified Company...

Page 80: ...eat meter reading Heat meter reading Leak tightness verification completed Date Leak tightness verification completed Date Leaks repaired yes no Leaks repaired yes no Inspection due after 4 weeks Date Inspection due after 4 weeks Date Inspection carried out Date Inspection carried out Date Next maintenance due Date Next maintenance due Date Address of Certified Company Address of Certified Company...

Page 81: ...eat meter reading Heat meter reading Leak tightness verification completed Date Leak tightness verification completed Date Leaks repaired yes no Leaks repaired yes no Inspection due after 4 weeks Date Inspection due after 4 weeks Date Inspection carried out Date Inspection carried out Date Next maintenance due Date Next maintenance due Date Address of Certified Company Address of Certified Company...

Page 82: ... 021 Air Water heat pump ThermiStar L with change over valve heating warm water Legend for Fig 41 Abbr Meaning Abbr Meaning 22 0 Ventilator 1 FIL Filter 41 0 Sensor outside 1 terminal B9 FL Fluid line 42 2 Sensor heat pump flow terminal B21 HG Hot gas line 42 3 Sensor heat pump return terminal B71 HK Heating circuit 43 0 Sensor service water up terminal B3 KW Cooling circuit 48 0 Sensor refrigeran...

Page 83: ...sel Heating Design of the MAG on site Fresh water connection To be provided on site Electrical connections Component Connection to Line on site Sensor outside 1 41 0 RVS controller slot k terminal B9 M Cable interchangeable Sensor service water up 43 0 RVS controller slot h terminal B3 M Cable interchangeable Position sensor in the upper area of the reservoir Sensor evaporator 48 1 RVS controller ...

Page 84: ...p ThermiStar L with change over valve heating warm water and buffer reservoir Legend for Fig 42 Abbr Meaning Abbr Meaning 22 0 Ventilator 1 FIL Filter 41 0 Sensor outside 1 terminal B9 FL Fluid line 42 2 Sensor heat pump flow terminal B21 HG Hot gas line 42 3 Sensor heat pump return terminal B71 HK Heating circuit 43 0 Sensor service water up terminal B3 KW Cooling circuit 48 0 Sensor refrigerant ...

Page 85: ...71000 5651 Overflow valve To be provided on site Expansion vessel Heating Design of the MAG on site Fresh water connection To be provided on site Electrical connections Component Connection to Line on site Sensor outside 1 41 0 RVS controller slot k terminal B9 M Cable interchangeable Sensor service water up 43 0 RVS controller slot h terminal B3 M Cable interchangeable Position sensor in the uppe...

Page 86: ...porator temp Thawing end 5 2963 I Time up to forced defrost 180 2964 I Defrosting time max 20 2971 O Thawing ventilator above 7 3010 O Max speed V lator Q pump 40 60 5093 F With solar integration No Yes No 5731 I DHW controlling element Q3 None Charging pump Diverting valve Diverting valve 5800 I Heat source Brine Water Air External Air 5890 I Relay output QX1 None Condenser stage 2 K2 Process rev...

Page 87: ...rature sensor 2 Refrigerant liquid B83 5981 O Control direction input EX1 Break contact Working contact Break contact 5999 O Control direction LP guard E9 Break contact Working contact Break contact 6000 O Control direction HP guard E10 Break contact Working contact Break contact 6001 O Cntrl dir Evap1 overload E11 Break contact Working contact Working contact Break contact 6070 I Function output ...

Page 88: ...Your notes ThermiStar L SP 01 03 10 88 ...

Page 89: ...ThermiStar L SP 01 03 10 Your notes 89 ...

Page 90: ...Your notes ThermiStar L SP 01 03 10 90 ...

Page 91: ... water 8 45 70 Hot surfaces 7 I Installation clearances 33 Installation of the heat pump 40 L Limit of liability 72 M Maintenance protocol 77 Modifications on the device 8 Motor control unit 54 56 P Pump control 59 R Refrigerant 7 14 33 35 37 43 58 59 64 Refrigerant dosage 20 37 43 59 72 S Sensor positions 28 Spart parts 73 74 Split evaporator 17 Standards Regulations for Austria 10 Standards Regu...

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