REMKO RBW PV Series Operating And Installation Instructions
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REMKO RBW PV Series Operating And Installation Instructions

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Operating and
installation instructions
REMKO RBW PV series
Hot-water heat pumps
Air/water system for hot-water preparation
RBW 301 PV, RBW 301 PV-S
Instructions for Technicians
0179-2021-08 Edition 3, en_GB
Read the instructions prior to performing any task!

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Summary of Contents for REMKO RBW PV Series

  • Page 1 Operating and installation instructions REMKO RBW PV series Hot-water heat pumps Air/water system for hot-water preparation RBW 301 PV, RBW 301 PV-S Instructions for Technicians 0179-2021-08 Edition 3, en_GB Read the instructions prior to performing any task!
  • Page 2 Read these operating instructions carefully before commis- sioning / using this device! These instructions are an integral part of the system and must R134A always be kept near or on the device. Subject to modifications; No liability accepted for errors or mis- Refrigerant prints! Translation of the original...

  • Page 3: Table Of Contents

    Table of contents Safety and usage instructions......................4 1.1 General safety notes........................4 1.2 Identification of notes........................4 1.3 Personnel qualifications........................4 1.4 Dangers of failure to observe the safety notes................4 1.5 Safety-conscious working....................... 4 1.6 Safety notes for the operator......................5 1.7 Safety notes for installation, maintenance and inspection..............

  • Page 4: Safety And Usage Instructions

    REMKO RBW PV series Safety and usage instructions CAUTION! This combination of symbol and signal word 1.1 General safety notes warns of a potentially hazardous situation, which if not avoided may cause injury or mate- Carefully read the operating manual before com- rial and environmental damage.

  • Page 5: Safety Notes For The Operator

    "certificate of warranty" to with all applicable regional regulations. REMKO GmbH & Co. KG at the time when the Local regulations and laws such as Water units are purchased and commissioned.

  • Page 6: Transport And Packaging

    REMKO RBW PV series 1.11 Transport and packaging The devices are supplied in a sturdy shipping con- tainer. Please check the equipment immediately upon delivery and note any damage or missing parts on the delivery and inform the shipper and your contractual partner.

  • Page 7: Technical Data

    Technical data 2.1 Unit data Series RBW 301 PV RBW 301 PV-S Function Domestic hot-water heating System Air/water heat pump Drinking water tank enamelled, gross volume Series 300 Drinking water tank enamelled, net volume Auxiliary heater/rated output Series/1.5 Usable limits, heating °C -7 to +40 Min./max.
  • Page 8 REMKO RBW PV series Contains greenhouse gas according to Kyoto protocol, GWP 1430 Integrated heat exchanger Series RBW 301 PV RBW 301 PV-S Solar heat exchanger Heat exchanger connection Inches (mm) G 3/4" (19.05) Information provided without guarantee! We reserve the right to make technical changes within the frame-...

  • Page 9: Product Data

    Factory temperature setting °C Inside sound power level dB(A) 57,9 Product data for water heaters with heat pump according to delegated regulation (EU) 812/2013 REMKO Name of supplier: GmbH & Co. KG RBW 301 RBW 301 Supplier model identifier: PV-S...

  • Page 10: Unit Dimensions And Designations Of The Pipe Connections

    REMKO RBW PV series 2.3 Unit dimensions and designations of the pipe connections RBW 301 PV 16,5 Fig. 1: Dimensions and designations of the pipe connections (data in mm) 1: Condensate drain Rp 1/2 5: Safety valve connection 2: Hot water outlet G 3/4"...
  • Page 11 RBW 301 PV-S 16,5 Fig. 2: Dimensions and designations of the pipe connections (data in mm) Condensate drain Rp 1/2 Heating-inlet heat exchanger G 3/4" Hot water outlet G 3/4" Immersion sleeve for temperature probe False anode Heating-return flow heat exchanger G 3/4" Circulation G 3/4"...
  • Page 12 REMKO RBW PV series Air connections Fig. 3: Air connections NOTICE! Ensure that the cold air that is expelled is not taken in directly again!

  • Page 13: Design And Function

    Large-area finned evaporator. 3.2 Product description The air connections enable a simple supply/ The Remko RBW 301 PV is a domestic hot water exhaust air installation at the assembly site. heat pump with integrated enamelled hot water Environmentally friendly and non-flammable storage tank.

  • Page 14: Corrosion Protection (Only Rbw 301 Pv-S)

    REMKO RBW PV series 3.3 Corrosion protection Scope of application of VDI 2035: (only RBW 301 PV-S) Domestic hot-water heating systems as per DIN 4753 (sheet 1 only) Oxygen always plays a role if metal materials in a Water heating systems as per DIN EN 12828 heating system corrode.
  • Page 15 Replacement NOTICE! Replace as follows: The hot water tank is produced from enamelled Switch the REMKO RBW hot water heat steel. This is designed for standard quality pump off. drinking water. If drinking water with above- Drain the storage tank to the relevant height.
  • Page 16 Filling with completely deionised water NOTICE! Heat pump systems and components from REMKO must be filled and operated with deionised water (completely desalinated). We also recommend the use of the complete heating protection unit available from us. Full protection with glycol should be used in cooling systems. The system water should be tested each time the plant is serviced, but at least once a year.

  • Page 17: Assembly

    Assembly 4.1 System layout Fig. 6: System layout 1: Cold water inlet B: Condenser 2: Ambient air C: Thermal expansion valve 3: Storage tank D: Evaporator 4: Hot water a: Low refrigerant temperature A: Compressor b: High refrigerant temperature 4.2 General installation notes These instructions are to be observed when installing the heat pump.

  • Page 18: Set-Up

    REMKO RBW PV series 4.3 Set-up WARNING! The set-up of the heat pump may only be car- ried out by trained specialists. The heat pump must be set up indoors. A condensate drain must be available. The heat pump must be set up vertically.
  • Page 19 Air connections length for the intake and exhaust air should not be more than 12 m, whereby the installation of no The air take-off point should be selected with con- more than 3 right-angled elbows is permitted. The sideration to a high average air temperature and entire tube length must be reduced by 1 m with the requisite air volume of 350 m /h.
  • Page 20 REMKO RBW PV series Air duct lines Suction and blow-out lines from smooth tube, Ø 150 mm. The max. overall length of the pipe (suction and exhaust air) is 12 m with a max. of 3 x 90° elbows The entire tube length must be reduced by 1 m for every additional elbow! The pipes incl.

  • Page 21: Installation

    Installation Pressure reducer Always install a pressure reducer in the cold water General notes supply line! The hot water heat pump is a factory-tested unit. Once the water connections have been professio- nally established, the storage tank has been filled Safety valve and the electrical connection (230 V/ 50 Hz) has The safety valve prevents positive pressure from...
  • Page 22 REMKO RBW PV series NOTICE! When connecting the hot water heat pump with a boiler: When operating the circulation pump, the pow- erful boiler circulation can result in the transport of heat from the hot water heat pump into the boiler.

  • Page 23: Hydraulic Connection

    Hydraulic connection Hydraulic connection drawings All components and safety devices must be provided by the customer. Fig. 11: Hydraulic connection drawings Series RBW 301 PV Flap valve Series RBW 301 PV-S Immersion sleeve (for oil, gas or solar) Cold water inlet Storage tank emptying Inlet 2nd heat generator Electric heating coil...
  • Page 24 REMKO RBW PV series Hydraulic circuit diagram 1 for REMKO RBW heat pump Functions: Heating and hot water This hydraulic circuit diagram serves merely to assist in planning activities; the customer-provided hydraulic system on site must be planned and laid out by the installer! 40°...
  • Page 25 Hydraulic circuit diagram 2 for REMKO RBW heat pump Functions: Heating and hot water This hydraulic circuit diagram serves merely to assist in planning activities; the customer-provided hydraulic system on site must be planned and laid out by the installer! 40°...

  • Page 26: Electrical Wiring

    REMKO RBW PV series Electrical wiring 7.1 General notes DANGER! Attention DANGER! In order to avoid electric shocks and damage to All electrical installation work must be done by the unit, ensure that the electrical installation an electrician. has been carried out professionally prior to...

  • Page 27: Circuit Diagrams

    7.3 Circuit diagrams C2(2uF) RBW 301PV COMP AI06 OUT3 6.8K OUT1 OUT2 AI05 OUT4 HW200 AI04 OUT5 AI03 AC-N AI02 AI01 RESET Controller RED BLU BRN BLU Y/G 230V~/50Hz PV input 1: Contact photovoltaic (potential-free) Contact PV Input closed = PV-operation ON Contact PV Input open = PV-operation OFF RBW 301PV-S C2(2uF)

  • Page 28: Commissioning

    REMKO RBW PV series Commissioning Control logic Before you switch on the domestic hot water Compressor heat pump, ensure that 1) Minimum switch-off time t=2 minutes the storage tank is filled with water. Following the request by the controller, the stand- the electrical wiring exhibits 230V/50Hz.

  • Page 29: Operation

    Defrosting 1) Defrosting start a) Run-time compressor min. parameter d03. b) Min. temperature at the evaporator under d01. 2) Defrosting end a) Evaporator temperature > d02 or max. defrosting period d04 exceeded. 3) Evaporator fan off, 4-way changeover valve off. Fig.
  • Page 30 REMKO RBW PV series Key functions - "ON/OFF" key - "Electric heating element" key This key switches the domestic hot water heat Press this key to switch on the electric heating coil. pump on or off Activate the ventilation function by holding down (Press and hold the key for approx.
  • Page 31 Symbol functions Operation - Heating mode compressor and heating coil Commissioning preparation After switching on the power supply the con- - Economic heating mode, only compressor troller uploads the parameters for approx. 15 - Automatic mode seconds. - Holiday mode Ensure that the storage tank is filled with water.
  • Page 32 REMKO RBW PV series Setting mode 4: Holiday mode 4 operating modes are available: Hybrid mode, It is possible to select this mode in order to go on Economic mode, Automatic mode and Holiday holiday for a certain period of time. The heat pump mode.
  • Page 33 Operation Setting the setpoint (domestic hot water tem- perature) In the main menu (default screen) tap on the "Up" (E) or "Down" (F) arrow keys. Once the setpoint temperature has been reached, press the "Mode" key (B) in order to save the set- point temperature, or press the "On/Off"...
  • Page 34 REMKO RBW PV series NOTES If the "On/Off" key is pressed after the values have been changed then the values are not saved. If no key is pressed for 5 seconds after changing the values, the controller jumps to the main view and the settings are saved.
  • Page 35 Electric heating element (heating coil) NOTES Irrespective of which operating mode has been set, The auxiliary heater must also be sepa- the heating coil can be activated. In order to do so, rately enabled automatically as required in confirm the "Electric heating element" key (D). The parameter level "r"...
  • Page 36 REMKO RBW PV series Recirculation mode In recirculation mode, the RBW 301 PV unit has two fan stages available and the RBW 301 PV-S unit only has one (the middle) fan stage available. The recirculation operation can be used in order to ventilate the connected room, without the heat pump (compressor) being in operation.
  • Page 37 Setting the time In order to set the time, press the clock symbol. When the time flashes, set the time using the arrow keys. In order to save, press the "Mode" key (B). Then set the date. Fig. 31: Setting the time A: To set the year value proceed precisely as C: If no settings are implemented for 5 seconds, the described above.
  • Page 38 REMKO RBW PV series Time program Possibility 2 To set the daily program, proceed as follows: Possibility 1 2 sec. 2 sec. 2 sec. 2 sec. 2 sec. Fig. 33: Time program - setting possibility 2 Fig. 32: Time program - setting possibility 1...
  • Page 39 Example of a daily program setting - switch on at 16:30 hrs 2 sec. Fig. 34: Time program - example A: Press the "CLOCK" key (C) in order to access C: If the "Hours/minutes" display flashes and the time program 1, settings are implemented as "On/Off"...
  • Page 40 REMKO RBW PV series Deactivating the set time program 2 sec. Fig. 35: Deactivating the time program NOTE: Order to deactivate the time program, the “clock” icon must be used to restart the “Settings” level. After the time program is activated, the “ON” indicator on the LCD flashes and the " " key is used to deacti-...
  • Page 41 Setting the holiday program Press the "Mode" key (B) until the "Holiday mode" symbol (3) appears. Example: Start the program on the 27th September. 2 sec. 5 sec. Fig. 36: Holiday mode A: Press the "Clock" key (C) in order to save your C: Press the "On/Off"...
  • Page 42 REMKO RBW PV series Parameter configuration Main menu Main display: In order to access the parameter level, proceed as follows: 10 sec. Fig. 37: Configuration of the parameters - expert level A: The steps for changing other parameter values are the same as with the parameter "d02".
  • Page 43 Reset to factory condition Main menu Main display: To start the reset function, proceed as follows: 10 sec. 2 sec. 10 sec. Fig. 38: Reset to factory condition W: Then wait until the start screen appears After the number combination "888" appears, the controller is reset with the exception of the stored time pro- gram to factory settings.
  • Page 44 REMKO RBW PV series Activating the legionella function Main display: In order to access the parameter level, proceed as follows: 10 sec. Fig. 39: Activating the legionella function g03: The steps for changing other parameter values are the same as with the parameter "g02".
  • Page 45 Activating the solar function If the REMKO RBW domestic hot water heat pump is operated in conjunction with a thermal solar plant, please note the following: To operate the heat pump in conjunction with max.7.5 m² solar collector surface, once the hydraulic con- nection is established, it is also necessary to connect the collector probe supplied as standard.
  • Page 46 REMKO RBW PV series RBW 301 PV / RBW 301 PV-S C2(2uF) COMP 230V 230V AI06 OUT3 OUT1 OUT2 AI05 OUT4 HW200 AI04 OUT5 AI03 AC-N AI02 AI01 RESET RED BLU Controller BRN BLU Y/G 230V~/50Hz PV input Fig. 40: Electrical drawings for domestic hot water heat pump with solar connection...
  • Page 47 Activating the PV function To operate the REMKO RBW domestic hot water heat pump in conjunction with a photovoltaic system, you have the option to use the potential-free contact (Fig. 40), terminal 1. To optimise the installed system, the following parameters must also be adjusted on your system.
  • Page 48 REMKO RBW PV series Parameter Parameter list (expert level) Para- Description Code Value Range meter Factory setting Factory setting Factory setting Factory setting 5°C Factory setting 0.8 °C Factory setting 15 °C Start defrost temperature (evaporator) -3°C -30~0 °C End defrost temperature (evaporator) 13°C...
  • Page 49 Parameter list (expert level) - continued Para- Description Code Value Range meter Used storage tank probe solar 0-bottom/1-top Min. run-time solar pump 15 min 1-30 min Start temperature difference solar 5° C 0~20 °C Night reduction 0/no 0-no/1-yes Start time night reduction 00 h 00~23 h End time night reduction...
  • Page 50 REMKO RBW PV series Parameter list (expert level) - continued Para- Description Code Value Range meter Removes on/off switch status Status CL/OP OHP switch (over heat protection) condenser Status CL/OP No function Status CL/OP Error output high pressure alarm switch status...
  • Page 51 Parameter list (operator level) Para- Description Value Range meter Start defrost temperature (evaporator) -3°C -30°C~0°C End defrost temperature (evaporator) 13°C 2~30°C Time between defrosts 45 min 30~90 min Max. defrosting period 8 min 1~12 min Duration of legionella function 0 min 0~90 min Time start of legionella function 0~23 h...

  • Page 52: Care And Maintenance

    REMKO RBW PV series Care and maintenance Temporary shutdown Regular care and maintenance guarantee trouble- The system may not be switched off at the mains free operation and a long service life of the heat power supply even if the heating system is not pump.

  • Page 53: Troubleshooting And Customer Service

    Troubleshooting and customer service 13.1 Troubleshooting and customer service The unit has been manufactured using state-of-the-art production methods and has been tested several times to ensure that it works properly. However, in the event that malfunctions should occur, the unit should be checked against the list below.
  • Page 54 REMKO RBW PV series Error codes and their meanings Code Error description Cause Remedial measures Probe, storage tank bottom, defective Probe, storage tank top, defec- tive Defective or short-circuited. Check probe resistance. P034 Probe, collector defective Plug-in contact not correct...

  • Page 55: Resistances Of The Temperature Sensors

    13.2 Resistances of the Temp. Resistance Temp. Resistance temperature sensors (°C) (KOhm) (°C) (KOhm) 3.8349 1.1771 NTC R-T Table (R25=5KW B25/50=3470K) 3.6955 1.1413 Temp. Resistance Temp. Resistance (°C) (KOhm) (°C) (KOhm) 3.5620 1.1068 63.7306 13.6017 3.4340 1.0734 60.3223 13.0057 3.3113 1.0412 57.1180 12.4393...
  • Page 56 REMKO RBW PV series Temp. Resistance Temp. Resistance NTC R-T Table (R25=50.000KW B25/50=3950K) (°C) (KOhm) (°C) (KOhm) Temp. Resistance Temp. Resistance 43.818 11.182 (°C) (KOhm) (°C) (KOhm) 41.956 10.799 2009.2 232.60 40.185 10.431 1869.0 220.13 38.500 10.078 1739.6 208.40 36.896 9.7393...
  • Page 57 Temp. Resistance Temp. Resistance (°C) (KOhm) (°C) (KOhm) 3.6923 2.6457 3.5887 2.5756 3.4876 2.5077 3.3903 2.4420 3.2978 2.3783 3.2052 2.3166 3.1172 2.2568 3.0320 2.1989 2.9497 2.1427 2.8699 2.0882 2.7927 2.0354 2.7180...

  • Page 58: General View Of Unit And Spare Parts

    REMKO RBW PV series General view of unit and spare parts 14.1 Exploded view of the unit 16/16.1 Fig. 41: Exploded view of the unit We reserve the right to modify the dimensions and design as part of the ongoing technical development...

  • Page 59: Spare Parts List

    14.2 Spare parts list Designation RBW 301 PV RBW 301 PV-S From serial number: 1740N... 1741N... Casing, front 1110769 1110769 Casing, top (cover) 1110775 1110775 Complete operating unit including circuit board 1110800 1110800 Solenoid valve 1110740 1110740 High pressure switch 1110771 1110771 Compressor...
  • Page 60 REMKO RBW PV series Spare parts not illustrated Designation RBW 301 PV RBW 301 PV-S Operating unit panel 1110763 1110763 Fan motor capacitor 2 nF 1110773 1110773 Transformer 1110764 1110764 Magnesium anode 1110801 1110801 Probe, air suction T1 1110746 1110746...

  • Page 61: Index

    Index Air connections ..... . 12, 19 Pipe connections ..... 10, 11 Average condition .
  • Page 62 REMKO RBW PV series...
  • Page 64 REMKO QUALITY WITH SYSTEMS Air-Conditioning | Heating | New Energies Telephone +49 (0) 5232 606-0 REMKO GmbH & Co. KG Hotline within Germany +49 (0) 5232 606-0 Klima- und Wärmetechnik Telefax +49 (0) 5232 606-260 Im Seelenkamp 12 E-mail info@remko.de...

This manual is also suitable for:

Rbw 301 pvRbw 301 pv-s

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