Rotex HPSU compact 508 Instruction Manual
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Rotex HPSU compact 508 Instruction Manual

Solar tank with integrated interior heat pump unit hpsu compact series
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See also: Installation and Maintenance Manual
For the operator
ROTEX HPSU compact
Solar tank with integrated interior heat
pump unit
Instruction manual
Types
HPSU compact 508
HPSU compact 516
HPSU compact 508H
HPSU compact 516H
Serial number
Customer
GB
Edition 04/2011

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Summary of Contents for Rotex HPSU compact 508

  • Page 1 For the operator ROTEX HPSU compact Solar tank with integrated interior heat pump unit Instruction manual Types Edition 04/2011 HPSU compact 508 HPSU compact 516 HPSU compact 508H HPSU compact 516H Serial number Customer...

  • Page 2: Table Of Contents

    Technical data................60 BA ROTEX HPSU compact 2 - 04/2011...
  • Page 3 Index ................. . . 67 BA ROTEX HPSU compact 2 - 04/2011...

  • Page 4: Safety

    • Make a note of the preset values before you make any changes to the unit configuration. Relevant documents – ROTEX HPSU compact; the associated installation manual and the operating manual for the operator. – External unit for ROTEX HPSU compact; the associated installation and operating instructions.

  • Page 5: Avoid Danger

    Proper use The ROTEX HPSU compact may only be used for domestic hot water generation, as a room heating system and, depending on the version, as a cold water cooling system ( ).

  • Page 6: Instructions For Operating Safety

    Instructions for operating safety Work on the ROTEX HPSU compact (such as setup, servicing, connection and initial start-up) is only to be carried out by persons who are authorised and who have successfully completed qualifying technical or vocational training and who have taken part in advanced training sessions recognised by the appropriate responsible authorities.

  • Page 7: Product Description

    (cooling). The storage tank on the ROTEX HPSU compact is built in such a way to enable the heat pump system to be combined with a ROTEX Solaris solar installation without needing an additional hot water tank.

  • Page 8: Design And Components

    When the heat carrier medium water reaches a useable temperature, it is pumped by feed pumps in the control and pump unit (RPS3) through the solar panels. In the integrated storage tank of the ROTEX HPSU compact, the solar heat generated in this way is transferred into the heating and hot water circuit.

  • Page 9: Hpsu Compact

    Noise insulation Return temperature sensor Underfloor heating heat exchanger (PWT) Connection refrigerant liquid line Flow temperature sensors HPSU compact 508: CuT, Ø 6.4 mm (1/4"), V, BH1 V, BH2 HPSU compact 516: CuT, Ø 9.5 mm (3/8") Flow temperature sensors, backup-heater...
  • Page 10 Connection refrigerant liquid line Hot water (1" outer thread) Stainless steel corrugated pipe heat exchanger HPSU compact 508: CuT, Ø 6.4 mm (1/4"), Heating flow (1" outer thread)* for heating support HPSU compact 516: CuT, Ø 9.5 mm (3/8") Heating return flow (1"...

  • Page 11: Operation

    The black pointer must be in the green range. If it is to the left of the red pointer, the water pressure must be raised by topping up the system. If water needs to be filled frequently, please find out the reason for it and have the fault correct as soon as possible. BA ROTEX HPSU compact 2 - 04/2011...

  • Page 12: Main Control Unit (Hpr1)

    When connecting a booster or backup heater or a ROTEX solar installation to the HPSU compact, the main control (HPR1) must be configured in its parameter settings as appropriate.
  • Page 13 Additional settings for the booster heater (BOH) can be configured in parameters [8-xx]. If the hot water supply is being provided by an installed ROTEX Solaris installation, the symbol flashes. – Low-noise operation In this operating mode the output of the system is reduced so that the operating noise of the external heat pump unit (RRLQ) is reduced.
  • Page 14 Operation 10 - Display service technician required This icon shows that the system must be checked. Get in touch with your heating specialist or nearest ROTEX contractual partner. 11 - Display temperature set The display shows the current temperature set for the system.
  • Page 15 36 - PLUS / MINUS keys These keys are used for navigating in the function menu of the additional control unit and for making changes to values within the menu items. BA ROTEX HPSU compact 2 - 04/2011...

  • Page 16: Basic Functions And Operating Modes

    If a room thermostat or wireless room thermostat is connected to the HPSU compact, the icon is shown and the key is not ready for operation. In this case, the external room thermostat or wireless room thermostat switches on and off. BA ROTEX HPSU compact 2 - 04/2011...

  • Page 17: Setting The Clock

    If the water temperature falls below 10 °C, the key must be repeatedly pressed until the symbol displayed. This switches on the backup heater (BUH) during the automatic test run and the water temperatures is kept above 10 °C. BA ROTEX HPSU compact 2 - 04/2011...

  • Page 18: Operating Modes

    • Press key to change to the operating mode room heating. Icon is shown in the display of the main control unit (HPR1). BA ROTEX HPSU compact 2 - 04/2011...
  • Page 19 If a room thermostat or wireless room thermostat is connected to the HPSU compact the icon is shown and the key is not ready for operation. In this case, the room thermostat or the wireless room thermostat determines the operating mode (room cooling or room heating). BA ROTEX HPSU compact 2 - 04/2011...
  • Page 20 If the target temperature for the water heating is not reached by the heat pump, the control system switches the optional booster heater (BOH) on as well. Only with installation of ROTEX Solaris solar installation: If the icon flashes, the hot water for the storage tank integrated in HPSU compact is not generated by the heat pump but by the optional ROTEX solar installation instead.

  • Page 21: Program Clock And Switching Time Programme

    When programming, always base your values on the standard values in the parameters and at the programmed switching times of the other operating modes to avoid unfavourable operating conditions. BA ROTEX HPSU compact 2 - 04/2011...
  • Page 22 • By pressing the key several times, you can return to the previous programming steps. Normal operation is then active again if the key has been pressed often enough (until before step 1). BA ROTEX HPSU compact 2 - 04/2011...
  • Page 23 After 5 s the next weekday is shown. This means that the switching times of the previous day have now been copied. 6. By pressing the key, you return to step 1. Fig. 3-4 Read and copy switching times BA ROTEX HPSU compact 2 - 04/2011...
  • Page 24 Read and program switching times The switching time set is displayed, saved and all switching times below that are also saved. All switching times above the current switching time are deleted. It automatically returns to step 4. BA ROTEX HPSU compact 2 - 04/2011...
  • Page 25 – After the 3 switching time, the key is used to confirm completion of programming. – The 4 switching time and 5 switching time (if available) are deleted. Fig. 3-6 Delete individual switching times BA ROTEX HPSU compact 2 - 04/2011...
  • Page 26 5 s. All switching times saved for this weekday are deleted. 6. It automatically returns to step 4. Fig. 3-7 Delete switching times of one weekday BA ROTEX HPSU compact 2 - 04/2011...

  • Page 27: Additional Control Unit Hpra1

    Certain menu items in the additional control unit (HPRA1) are only accessible to the specialist heating technician. This security measure ensures that no undesirable malfunctions arise through incorrect configuration. Information about these menu items and their parameter values can be found in chapter 4 "Parameter settings", section 4.3. BA ROTEX HPSU compact 2 - 04/2011...

  • Page 28: Menu Structure

    The values/parameters in grey can only be set by the specialist heating technician and some of Fig. 3-9 Overview menu structure for additional control unit HPRA1 them are not visible to the user. BA ROTEX HPSU compact 2 - 04/2011...

  • Page 29: Display Operating Data

    During operation, you can change the language at any time as follows: Fig. 3-11 Setting the display language of the additional control unit with the specialist’s code 3.4.6 Restarting the additional control unit (RESET) Fig. 3-12 Restarting the additional control unit BA ROTEX HPSU compact 2 - 04/2011...

  • Page 30: Parameter Settings

    (parameter settings). The user can change parameters which are not blocked by the specialist code at any time. ROTEX recommends you note all changes to the parameters in the tables in chapter 10.2 "Individual parameter changes". Main control unit (HPR1) All parameters of the main control unit (HPR1) are described in detail in this section.

  • Page 31: Parameter Description

    – [1-03] Target value at highest ambient temperature: Target temperature at water outlet of the interior heat pump unit (HPSU compact) if the outside temperature is equal to or increases above the highest ambient temperature (Hi_A). BA ROTEX HPSU compact 2 - 04/2011...
  • Page 32 – [2-04] Holding time: Length of time for which the disinfection temperature should be maintained. Time Hot water temperature Disinfection temperature [2-03] Target temperature for hot water (as set on main control unit (HPR1)) Fig. 4-3 View of the control system with active "Anti-legionella system" BA ROTEX HPSU compact 2 - 04/2011...
  • Page 33 The operation of the booster or backup heater is dependent on the settings of the operating parameters BOH* and BUH* on the additional control unit HPRA1! BA ROTEX HPSU compact 2 - 04/2011...
  • Page 34 Target temperature for hot water (as set on main control unit (HPR1)) Water temperature (Grey area = booster heater active) Fig. 4-4 View of the control system with active "Bivalence temperature and priority temperature of room heating" BA ROTEX HPSU compact 2 - 04/2011...
  • Page 35 HP ON ON temperature of the heat pump Target temperature for hot water (as set on main control unit (HPR1)) Fig. 4-5 View of the control system for water heating with the heat pump BA ROTEX HPSU compact 2 - 04/2011...
  • Page 36 – [7-03] Second target value for heating: Do not change this setting. Leave the default setting as it is. – [7-04] Second target value for cooling: Do not change this setting. Leave the default setting as it is. BA ROTEX HPSU compact 2 - 04/2011...
  • Page 37 (0 = not active, 1 = active) Water heating request to BOH Time (0 = not active, 1 = active) Water heating request to heat pump (0 = not active, 1 = active) Time BA ROTEX HPSU compact 2 - 04/2011...
  • Page 38 [F-01] 35°C Fig. 4-9 Additional runtime for heating operation Fig. 4-10 Additional runtime for cooling operation Only valid for ROTEX HPSU compact with heating and cooling function Time Restart time Ambient temperature (outside air) Maximum runtime BA ROTEX HPSU compact 2 - 04/2011...
  • Page 39 – [A-02]: Do not change this setting. Leave the default setting as it is. – [A-03]: Do not change this setting. Leave the default setting as it is. – [A-04]: Do not change this setting. Leave the default setting as it is. BA ROTEX HPSU compact 2 - 04/2011...
  • Page 40 4-11. The following setting options are available: – [C-00] Solar priority: 0 =ROTEX Solaris installation, 1 = Heat pump – [C-01] Alarm output logic: Do not change this setting. Leave the default setting as it is.
  • Page 41 [1-02] — — +2 °C -2°C to 2°C [1-03] +4 °C +2 °C [1-00] 0°C [1-01] -4°C to 4°C +4 °C Fig. 4-12 Increase weather-dependent target temperature regulation by 0 °C BA ROTEX HPSU compact 2 - 04/2011...
  • Page 42 OFF temperature. [F-02] Underfloor heating switched on OFF Underfloor heating switched off Fig. 4-13 Control of the underfloor heating Ambient temperature (outside air) – [F-04] Functionality of the connection X14A (cannot be set). BA ROTEX HPSU compact 2 - 04/2011...

  • Page 43: Overview Of Factory-Set Parameter Settings

    Removed. Do not change the default value. 2. Target value for heating 04 Control on the basis of 2 target values: Removed. Do not change the default value. 2. Target value for cooling BA ROTEX HPSU compact 2 - 04/2011...
  • Page 44 02 Model ID Removed. Do not change the default value. 03 Temperature of refrigerant Removed. Do not change the default value. 04 Water temperature at intake Removed. Do not change the default value. BA ROTEX HPSU compact 2 - 04/2011...

  • Page 45: Additional Control Unit (Hpra1)

    The following display shows an example of how a parameter is displayed and changed for the specialist heating technician. Fig. 4-14 For example: Setting a parameter of the additional control unit with the specialist's code BA ROTEX HPSU compact 2 - 04/2011...

  • Page 46: Overview Of Factory-Set Parameter Settings

    5: backup heater + booster heater 6: FAULT Delay time (hysteresis) 600 s 120 s Time Switching threshold for AUX contact see RPS3 (BSK) 85 °C 50 °C 1 °C DHW MIN BA ROTEX HPSU compact 2 - 04/2011...
  • Page 47 When entering the password before; Service - for the user: Restart additional control unit 0 = BACK - for specialist heating technician: Restart additional heating 1 = RESET RESET unit + clear result memory BA ROTEX HPSU compact 2 - 04/2011...
  • Page 48 6: nederland 7: portugues User: 0000 Password 0000 9999 Entry value Specialist heating technician: Access rights: Tab. 4-4 Parameter Overview N: Not visible, not configurable S: Visible but not configurable E: Visible and configurable BA ROTEX HPSU compact 2 - 04/2011...

  • Page 49: Faults And Malfunctions

    Operating data are not • Carry out RESET of additional control unit. updated Operating system of additional control unit crashed. • Restart system (mains voltage). • Have the system checked by a service engineer. BA ROTEX HPSU compact 2 - 04/2011...
  • Page 50 How water supply switched off (e.g. time program Hot water does not • Check the operating mode setting. is in the economy phase, parameters for hot water warm up • Check the request parameters. supply have been set incorrectly). BA ROTEX HPSU compact 2 - 04/2011...
  • Page 51 (see chapter 2 "Product description"). Quantity of refrigerant in the system too low or • Have a service technician check the amount of coolant. Have him too high. check the system for leaks. BA ROTEX HPSU compact 2 - 04/2011...

  • Page 52: Fault Codes

    See fault code "7H". Failure of the frost protection function of the water heat exchanger Failure of the frost protection function of the water heat exchanger because there is a lack of refrigerant in the system. BA ROTEX HPSU compact 2 - 04/2011...
  • Page 53 ROTEX service technician. Heat pump system Internal fault in the heat pump system. Contact a ROTEX service technician. (only with 11-16 kW system) Temperature sensor external heat pump External temperature sensor of the external heat pump unit (RRLQ) is faulty.
  • Page 54 Fault and possible causes Pressure sensor Thermistor discharge Temperature sensor suction pipe Malfunction message. Contact a ROTEX service technician. Aircoil temperature sensor Aircoil temperature sensor Temperature sensor of the fluid line in the external heat pump device (RRLQ) is faulty. Contact a Temperature sensor liquid line ROTEX service technician.

  • Page 55: Maintenance

    A total overall coolant fill of less than 3 kg is not subject to any European legal requirement concerning inspection intervals. However, ROTEX would recommend entering into a maintenance contract and recording the work carried out in the operating manual in order to preserve guarantee claims.

  • Page 56: Activities To Be Performed Annually

    – Touching components during or after operation leads to a risk of burns. – Water discharged during maintenance and servicing work can cause scalding on contact with the skin. • Before carrying out servicing and maintenance work, allow the ROTEX HPSU compact to cool down sufficiently.

  • Page 57: Confirmation Of Servicing

    • Clean plastic surface of HPSU compact with a soft cloth and mild cleaning agent. Do not use cleaning agents containing aggressive solvents, as this will damage the plastic surface. Confirmation of servicing • Complete the confirmation of servicing in the supplied operating manual of the HPSU compact. BA ROTEX HPSU compact 2 - 04/2011...

  • Page 58: Decommissioning

    If the HPSU compact is not needed for a long time, it can be temporarily decommissioned. However, ROTEX advises against disconnecting the system from the power supply, and recommends instead that you deactivate the operating modes room cooling and room heating. The hot water heating mode must remain active. In order to make the frost protection as energy-saving as possible, the hot water temperature can be set to the lowest possible value on the controller of the control system.
  • Page 59 The materials used that are suitable for recycling can be sorted into individual types. ROTEX has complied with the standards for environmentally-friendly disposal as a result of the environmentally- friendly design of the HPSU compact. Proper disposal in compliance with the respective national regulations of the country of use is the responsibility of the user/owner.

  • Page 60: Technical Data

    Heat exchanger surface area exchanger (stainless 1200 2090 Average specific thermal output steel 1.4404) Water capacity heat exchanger litres Solar heating backup (stainless steel Heat exchanger surface area 1.4404) Average specific thermal output BA ROTEX HPSU compact 2 - 04/2011...
  • Page 61 Cooling Operating range °C 10 to 43 10 to 46 cooling function (min/max) Heating Water heating °C 15 to 50 15 to 55 (min./max.) Audibility Noise level Acoustic pressure BA ROTEX HPSU compact 2 - 04/2011...
  • Page 62 14 15 00 14 15 01 function Order number Heating function 14 15 03 14 15 04 only Tab. 8-1 Basic data HPSU compact With a reference spacing of 1 m. Upstream of safety protection. BA ROTEX HPSU compact 2 - 04/2011...

  • Page 63: Glossary

    The suitable flow temperature is calculated from the mesaured value for the external temperature and a defined heating regulation curve; this temperature serves as the target value for temperature control in the heating unit. BA ROTEX HPSU compact 2 - 04/2011...

  • Page 64: Notes

    Tab. 10-2 Individual changes to the parameters by the user or heating specialist to the main control unit Additional control unit HPRA1 Parameter no. Old value New value Date Comments Tab. 10-3 Individual changes to the parameters by the user or heating specialist to the additional control unit BA ROTEX HPSU compact 2 - 04/2011...
  • Page 65 Notes BA ROTEX HPSU compact 2 - 04/2011...
  • Page 66 Notes BA ROTEX HPSU compact 2 - 04/2011...

  • Page 67: Index

    Program clock ........37 ROTEX Solaris system ........7 Bottom plate heating .
  • Page 68 BA ROTEX HPSU compact 2 - 04/2011...

This manual is also suitable for:

Hpsu compact 516Hpsu compact 516hHpsu compact 508h

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