Rotex HPSU Bi-Bloc Ultra Series Installer's Reference Manual

Rotex HPSU Bi-Bloc Ultra Series Installer's Reference Manual

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Installer reference guide
ROTEX HPSU Bi-Bloc Ultra
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RRGA04DAV3
RRGA06DAV3
RRGA08DAV3
RHBX04DA6V
RHBX04DA9W
Installer reference guide
RHBX08DA6V
English
ROTEX HPSU Bi-Bloc Ultra
RHBX08DA9W

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Summary of Contents for Rotex HPSU Bi-Bloc Ultra Series

  • Page 1 Installer reference guide ROTEX HPSU Bi-Bloc Ultra RRGA04DAV3 RRGA06DAV3 RRGA08DAV3 RHBX04DA6V RHBX04DA9W Installer reference guide RHBX08DA6V English ROTEX HPSU Bi-Bloc Ultra RHBX08DA9W...
  • Page 2: Table Of Contents

    To fill the domestic hot water tank ....... 41 6 Preparation 7.8.6 To insulate the water piping ......... 41 Overview: Preparation............... 21 Connecting the electrical wiring..........41 Preparing the installation site ............ 21 Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 3: General Safety Precautions

    About cleaning the water filter in case of trouble....... 85 11.5.1 To remove the water filter ........... 85 11.5.2 To clean the water filter in case of trouble ....85 RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 4: For The Installer

    Make sure installation, testing and applied materials comply with applicable legislation (on top of the ▪ In potentially explosive atmospheres. instructions described in the ROTEX documentation). ▪ In places where there is machinery that emits electromagnetic waves. Electromagnetic waves may disturb the control system, CAUTION and cause malfunction of the equipment.
  • Page 5: Brine

    ▪ Only use tools exclusively for the refrigerant type used in the system, this to ensure pressure resistance and prevent foreign materials from entering into the system. ▪ Charge the liquid refrigerant as follows: RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 6: Electrical

    ▪ Format: Paper (in the box of the indoor unit) ▪ Outdoor unit installation manual: ▪ Installation instructions ▪ Format: Paper (in the box of the outdoor unit) Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 7: Installer Reference Guide At A Glance

    ▪ Prepare the path along which you want to bring the unit inside in advance. ▪ Preparation of the installation, good practices, reference data,… ▪ Format: Digital files on the ROTEX homepage Outdoor unit ▪ Addendum book for optional equipment: ▪...
  • Page 8: To Remove The Accessories From The Outdoor Unit

    NOT to switch the service panels between different models. 4.2.1 Identification label: Outdoor unit Location Model identification Example: RR G A 06 DA V3 Code Explanation Split outdoor pair heat pump Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 9: Identification Label: Indoor Unit

    For installation instructions, see the installation manual of the heat ▪ On mounting feet to the ground. This must withstand 200 kg. pump convectors, and the addendum book for optional equipment. RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 10: Possible Combinations Of Indoor Unit And Outdoor Unit

    ▪ #: [4.4] Setting up the space heating/ ▪ Code: [7-02] cooling system The heat pump system supplies leaving water to heat emitters in one or more rooms. Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 11 Benefits ▪ Space heating is provided by: ▪ Wireless. The ROTEX external room thermostat is available in a wireless version. ▪ The underfloor heating ▪ Efficiency. Although the external room thermostat only sends ON/ ▪ The heat pump convectors OFF signals, it is specifically designed for the heat pump system.
  • Page 12: Multiple Rooms - One Lwt Zone

    NOT need a mixing valve station (cost effective). Example: If the heat  pump system is used to heat up one floor where all the rooms have the same heat emitters. Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 13 ▪ For each room with heat pump convectors: The desired room temperature is set via the remote controller of the heat pump convectors. Main leaving water temperature zone RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 14: Multiple Rooms - Two Lwt Zones

    ▪ The user interface integrated in the indoor unit decides the space operation mode. Mind that the operation mode on each remote controller of the heat  pump convectors must be set to match the indoor unit. Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 15: Setting Up An Auxiliary Heat Source For Space Heating

    ▪ Make sure the auxiliary boiler and its integration in the system complies with applicable legislation. Setting up an auxiliary heat source ▪ ROTEX is NOT responsible for incorrect or unsafe for space heating situations in the auxiliary boiler system.
  • Page 16: Setting Up The Domestic Hot Water Tank

    Example: If the DHW consumption of a family (4 persons) per day auxiliary boiler. Contact the manufacturer of the is as follows: auxiliary boiler for more information. ▪ 3 showers ▪ 1 bath ▪ 3 sink volumes Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 17: Setup And Configuration - Dhw Tank

    ▪ To heat up the DHW tank to the desired DHW tank temperature, element (if needed) as shown above. you can use the following energy sources: ▪ Thermodynamic cycle of the heat pump ▪ Electrical booster heater RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 18: Dhw Pump For Tank Preheating

    ▪ Backup heater supplied from a (*6V (6V): 1N~ 230 V) the domestic hot water tank single-phase grid (i.e. backup heater model is *6V connected to a single-phase grid) Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 19: Preferential Kwh Rate Power Supply

    DHW ▪ Power meter 2: Measures the rest (i.e. indoor unit, backup heater production. and optional booster heater). Setup ▪ Connect power meter 1 to X5M/5 and X5M/6. RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 20: Power Limitation Activated By Digital Inputs

    The system limits power consumption in the following order: management system. Limits certain electrical heaters. The power or current of the entire ROTEX system is limited If… has priority Then set the priority heater dynamically by digital inputs (maximum four steps). Each power via the user interface to…...
  • Page 21: Setting Up An External Temperature Sensor

    NOT directly exposed to the wind. The appliance shall be stored in a room without continuously operating ignition sources (example: open flames, an operating gas appliance or an operating electric heater). RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 22: Additional Installation Site Requirements Of The Outdoor Unit In Cold Climates

    The outdoor unit is designed for outdoor installation only, and for the the snow. If necessary, install a snow cover or shed and a pedestal. following ambient temperatures: Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 23: Installation Site Requirements Of The Indoor Unit

    ▪ Mind the measurement guidelines: Make sure installation, servicing, maintenance and repair Maximum refrigerant piping length between indoor 30 m comply with instructions from ROTEX and with applicable unit and outdoor unit legislation (for example national gas regulation) and are executed only by authorised persons.
  • Page 24 ▪ Ventilation openings to the outside are NOT considered suitable ventilation openings (the user can block them when it is cold). Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 25: Preparing Refrigerant Piping

    "Installation" chapter, respecting the water inlet and outlet. ▪ Connecting piping – Force. Do NOT use excessive force when connecting the piping. Deformation of the piping can cause malfunctioning of the unit. RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 26: Formula To Calculate The Expansion Vessel Pre-Pressure

    ▪ Domestic hot water tank – Capacity. To avoid stagnation of water, it is important that the storage capacity of the domestic hot water tank meets the daily consumption of domestic hot water. Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 27: Changing The Pre-Pressure Of The Expansion Vessel

    Schrader each metre below 7 m. valve of the expansion vessel. ▪ Check water volume does exceed the maximum allowed water volume. RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 28: To Check The Water Volume: Examples

    At that moment, the outdoor unit compressor will not operate. The wiring to the unit is different depending on whether the power supply is interrupted or not. Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 29: Overview Of Electrical Connections Except External Actuators

    Optional equipment 3‑way valve 100 mA Power supply for 4+GND booster heater and thermal protection (from indoor unit) Power supply for 2+GND 13 A booster heater (to indoor unit) RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 30: Opening The Units

    4 If you have to do work behind the user interface panel or upload Switch box cover new software into the user interface, open the user interface Switch box panel. User interface panel Open 1 Remove the front panel. Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 31: Mounting The Outdoor Unit

    Protecting the unit against snow and wind by installing a snow cover and baffle plates. See "Preparing installation site" in "6 Preparation" [ 4  21]. (mm) Maximum snowfall height RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 32: To Install The Outdoor Unit

    ▪ (1) Put the unit into position (using the sling to the left and the handle to the right). ▪ (2) Remove the sling (by pulling 1 side of the sling). ▪ (3) Fix the unit. Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 33: To Provide Drainage

    In short, the drain pan must be installed level (with a tolerance of 1° at all sides) and as follows: RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 34: To Prevent The Outdoor Unit From Falling Over

    ▪ Tilt the top of the unit against the wall at the position of the wall bracket. ▪ Slide the bracket on the back of the unit over the wall bracket. Make sure the unit is fixed properly. Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 35: To Connect The Drain Hose To The Drain

    ▪ Use caution when passing copper tubes through walls (see figure below). Drain pan connector It is recommended to use a tundish to collect the water. RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 36: Guidelines When Connecting The Refrigerant Piping

    ▪ Always protect the surrounding surfaces (e.g. insulation foam) 2 Remove burrs with the cut surface facing down so that the from heat when brazing. chips do NOT enter the pipe. Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 37: Using The Stop Valve And Service Port

    Result: The valve is now open/closed. To handle the stem cap ▪ The stem cap is sealed where indicated with the arrow. Do NOT damage it. RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 38: Checking The Refrigerant Piping

    −0.1 MPa (−1 bar). same pump for other refrigerants may damage the pump 4 After turning the pump OFF, check the pressure for at least and the unit. 1 hour. Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 39: Charging Refrigerant

    If pump down is needed in case of dismantling or relocating the consists of the following stages: down" [ 4  91] for more details. system, see "13.2 To pump 1 Determining how much refrigerant to charge. 2 Charging refrigerant. RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 40: To Fix The Fluorinated Greenhouse Gases Label

    ▪ Preparation 7.8.3 To connect the water piping NOTICE Do NOT use excessive force when connecting the piping. Deformation of the piping can cause malfunctioning of the unit. Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 41: To Fill The Water Circuit

    ▪ The refrigerant piping is connected and checked Stranded conductor wire Round crimp-style terminal ▪ The water piping is connected ▪ Use the following methods for installing wires: RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 42: Specifications Of Standard Wiring Components

    4 Reattach the switch box cover. 5 Optional: Attach the wire clamp (accessory) to the screw of the refrigerant piping cover, and fix the cables to it with a cable tie. Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 43: To Connect The Electrical Wiring On The Indoor Unit

    ▪ Power consumption digital inputs (field supply) ▪ Outdoor ambient temperature sensor (option) ▪ Indoor ambient temperature sensor (option) ▪ Electrical meters (field supply) ▪ Safety thermostat (field supply) RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 44: To Connect The Backup Heater Power Supply

    The backup heater capacity can vary, depending on the indoor unit model. Make sure that the power supply is in accordance with the backup heater capacity, as listed in the table below. Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 45: To Connect The Shut-Off Valve

    Contactor (in the switch box) Safety contactor (in the switch box) Q1DI Earth leakage circuit breaker (field supply) Switch box Terminal (field supply) RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 46: To Connect The Alarm Output

    2 Fix the cable with cable ties to the cable tie mountings. 7.9.16 To connect the power consumption digital inputs 1 Connect the power consumption digital inputs cable to the appropriate terminals as shown in the illustration below. Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 47: To Connect The Safety Thermostat (Normally Closed Contact)

    It is recommended that the refrigerant piping between indoor and outdoor unit is installed in a ducting or the refrigerant piping is wrapped with finishing tape. RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 48: To Access The Most Used Commands

    This way you can set the most important initial settings. This way the unit will be able to run properly. Afterwards, more detailed settings can be done via the menu structure if required. Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 49: Possible Screens

    Possible screens Outdoor : Outdoor unit unit : Quiet mode active 8.3.1 Possible screens: Overview a2 a3 a3 Measured ambient temperature The most common screens are as follows: RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 50: Main Menu Screen

    Room thermostat type: zones. Shows the applicable symbol for your additional zone emitter type. ▪ : ROTEX user interface used as room Set the leaving water temperature for thermostat the additional zone (if present). ▪...
  • Page 51: Setpoint Screen

    Restricted by the installer Current temperature Measured by the unit Desired temperature Turn the right dial to increase/decrease. Submenu Turn or press the left dial to go to the submenu. RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 52: Schedule Screen: Example

    In this example, Monday is the first day you programmed. Thus, the last programmed action is valid up to the first action of next Monday. Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 53: Settings Menu

    Control the room temperature of the main zone via setpoint screen [1] Room. 4 Confirm the changes. screen" [ 4  51]. "8.3.5 Setpoint 5 Select Saturday. 6 Select Copy. RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 54 (due to incorrect wiring or damage of the water temperature setpoint will cable), then room frost protection is NOT guaranteed. be lowered. Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 55: Main Zone

    ▪ In Weather dependent LWT setpoint mode, the scheduled actions consist of desired shift actions, either preset or custom. RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 56 ▪ 0: Underfloor heating ▪ 1: Fancoil unit ▪ 2: Radiator The setting Emitter type influences the space heating setpoint range and the target delta T in heating as follows: Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 57 [9-00] Heating maximum: ▪ [2‑0C]=2 (emitter type main zone = radiator) 37°C~70°C ▪ Otherwise: 37°C~55°C [2.8.3] [9-02] Cooling minimum: ▪ 5°C~18°C Cooling maximum: [2.8.4] [9-03] ▪ 18°C~22°C RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 58 (higher comfort level) 5°C, which means that the entering water temperature is around ▪ less on/off cycles (lower noise level, higher comfort and higher 30°C. efficiency) Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 59: Additional Zone

    ▪ activate the ON/OFF pump of the mixing valve station ONLY when ▪ Fixed there is demand. ▪ WD heating, fixed cooling ▪ Weather dependent Heating WD curve Set weather-dependent heating for the additional zone (if [3.4]=1 or RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 60 Leaving water temperature range for the additional leaving water temperature zone (= the leaving water temperature zone with the highest leaving water temperature in heating operation and the lowest leaving water temperature in cooling operation) Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 61: Space Heating/Cooling

    To restrict automatic changeover according to a schedule Conditions: You set the space operation mode to Automatic. RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 62 (e.g. when in heating, this value is related to the desired heating temperature). Example: A unit is configured as following: ▪ Desired room temperature in heating mode: 22°C Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 63 Space heating/cooling control b Off c On d Heating demand (by external room thermostat or room thermostat) e Pump operation RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 64 The compressor will start up again when the leaving water temperature drops below the desired leaving water temperature. This function is ONLY applicable in heating mode. Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 65: Tank

    The storage economic temperature denotes the lower desired ▪ 0: No tank temperature. It is the desired temperature when a storage ▪ 1: Yes economic action is scheduled (preferably during day). RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 66 Applicable when domestic hot water preparation is scheduled +reheat. When the tank temperature drops below the reheat temperature minus the reheat hysteresis temperature, the tank heats up to the reheat temperature. Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 67: User Settings

    Code Description Code Description [5.D] [6-01] The temperature difference determining [7.2] Set the local time and date the heat pump OFF temperature. Range: 0°C~10°C RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 68 To check if quiet mode is active 1 Go to [7.5.1]/[7.5.2]/[7.5.3]: User settings > Electricity price > High/Medium/Low. is displayed on the home screen, quiet mode is active. Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 69: Information

    Renewable heat incentive per the actual installation. Calculation of the gas price: Gas price=Actual gas price+(Incentive/kWh×0.9) Gas price=4.08+(5×0.9) Gas price=8.58 Calculation of the electricity price: Electricity price=Actual electricity price+Incentive/kWh RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 70 ▪ The capacity of the first step of the backup heater at nominal voltage. Backup heater Besides the type of backup heater, the voltage, configuration and capacity must be set on the user interface. Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 71 <[5‑03] [5‑02]=1. The domestic hot water temperature can be maximum the heat pump OFF temperature. [9.4.4] [4-03] ▪ 1: Booster heater operation is allowed when required. RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 72 We recommend to set Emergency to Automatic if the house is unattended for longer periods. Code Description [9.5] ▪ 0: Manual ▪ 1: Automatic Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 73 Ambient (outdoor) temperature X2M/5‑6) and the backup heater is NOT Time Anti-recycle timer connected to the preferential kWh rate Maximum running time domestic hot water power supply. RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 74 ▪ 4 100/kWh: Installed Code Description ▪ 5 1000/kWh: Installed [9.9.9] [5-09] Limit 1: 0 kW~20 kW [9.9.A] [5-0A] Limit 2: 0 kW~20 kW [9.9.B] [5-0B] Limit 3: 0 kW~20 kW [9.9.C] [5-0C] Limit 4: 0 kW~20 kW Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 75 Possibility 1: Based on the outdoor temperature boiler. Set all electricity prices ([7.5.1]~[7.5.3]) to "0" in the menu structure. Also set the following values: NOTICE Do NOT use overview settings! RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 76 5 when bivalent operation function is enabled. permission signal for the auxiliary boiler ROTEX shall NOT be held liable for any damage resulting is active (X1 and X2 on EKRP1HBAA is from failure to observe this rule.
  • Page 77 [9.I]. setting" [ 4  48]. "To modify an overview RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 78: Menu Structure: Overview User Settings

    Operation modes About Connection status User profile Operation Room Space heating/cooling Tank Setpoint screen INFORMATION Depending on the selected installer settings and unit type, settings will be visible/invisible. Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 79: Menu Structure: Overview Installer Settings

    Solar kit settings are shown but are NOT applicable for this unit. Settings shall NOT be used or changed. INFORMATION Depending on the selected installer settings and unit type, settings will be visible/invisible. RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 80: Commissioning

    The indoor unit is properly mounted. To perform an air purge. The outdoor unit is properly mounted. To perform a test run. To perform an actuator test run. Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 81: To Check The Minimum Flow Rate

    Conditions: Make sure all operation is disabled. Go to [C]: operation, the unit may NOT operate or may NOT deliver Operation and turn off Room, Space heating/cooling and Tank the required capacity. operation. RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 82: To Perform An Actuator Test Run

    In this case, the backup heater will perform the screed dryout and supply the leaving water without heat pump operation. Desired leaving water temperature (15~55°C) Duration (1~72 h) Action step 1 Action step 2 Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 83: 10 Hand-Over To The User

    Stop UFH screed dryout ▪ The yearly maintenance of the indoor unit To manually stop underfloor heating screed dryout: 1 Go to [A.4.3]: Commissioning > UFH screed — dryout RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 84: Maintenance Safety Precautions

    To make sure this water originates from the tank, check after a tank sink...). heat up cycle. 4 Open the drain valve for a couple of seconds (c). Result: Water and dirt will come out. Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 85: About Cleaning The Water Filter In Case Of Trouble

    Collect the drained water in a bottle, sink, … using the installed drain hose. 7 Remove the 2 clips that fix the water filter. RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 86: To Install The Water Filter

    For any other problem, contact your installer. You can find the contact/helpdesk number via the user interface. 12.1 Overview: Troubleshooting This chapter describes what you have to do in case of problems. Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 87: Symptom: The Compressor Does Not Start (Space Heating Or Domestic Water Heating)

    "6.5 Preparing electrical wiring" [ 4  28] and "7.9.8 To Possible causes Corrective action connect the main power The expansion vessel is broken Replace the expansion vessel. supply" [ 4  43]. RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 88: Symptom: The Water Pressure Relief Valve Leaks

    4 hours NO domestic hot water tapping is expected. ▪ The water pressure ▪ Whether there is air in the system ▪ The air purge operation Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 89: Solving Problems Based On Error Codes

    Detailed error Description OU: High pressure peak code cut / freeze protection Water flow problem problem Water flow problem during OU: PCB defect domestic hot water production RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 90: 13 Disposal

    User interface communication problem INFORMATION Connection with LAN adapter For more details, see the service manual. lost Connection with room thermostat lost No connection with room thermostat Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 91: To Pump Down

    Gas stop valve 13.3 To start and stop forced cooling 1 Turn OFF the power. 2 Remove the switch box cover. 2× 3 Remove the service PCB cover. RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 92: 14 Technical Data

    Muffler Compressor Thermistor (outdoor air) Thermistor (heat exchanger) Thermistor (compressor discharge) S1PH High pressure switch (automatic reset) Electronic expansion valve Solenoid valve (4‑way valve)(ON: cooling) Heating Cooling Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 93: Piping Diagram: Indoor Unit

    Quick coupling Plate heat exchanger Brazed connection Shut-off valve for service Magnetic filter/dirt separator Safety valve Air purge Drain valve Flow sensor Expansion vessel Backup heater Pump RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 94: Wiring Diagram: Outdoor Unit

    Printed circuit board (service) Switching power supply Thermal protector Q1DI # Earth leakage circuit breaker Insulated gate bipolar transistor (IGBT) Thermistor (air) Thermistor (heat exchanger) Thermistor (discharge) Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 95: Wiring Diagram: Indoor Unit

    * Ambient sensor user interface Legend R2T (A1P) Outlet backup heater thermistor Main PCB R2T (A2P) * External sensor (floor or ambient) * On/OFF thermostat (PC=power circuit) RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 96 Only for wired On/OFF Only for wired On/OFF (5) Ext. thermistor (5) External thermistor thermostat thermostat Switch box Only for wireless On/OFF Only for wireless On/OFF thermostat thermostat Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 97 2 core Power limitation A8P: X801M: 4-5 2x0.75 X5M: 11-12 demand input 4 signal A14P: P1-P2 user interface communication 2 core 2x0.75 A13P: P1-P2 LAN adapter communication 4D111879D RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 98: Indoor Unit

    (i.e. if the piping length is <27 m) are NOT subjected to any requirements to the installation room. ▪ Charges >1.9 kg are NOT allowed in the unit. Installer reference guide RRGA04~08DAV3 + RHBX04+08DA ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 99: Ventilation: Indoor Unit

    If dm=1.55  kg, consider the value that corresponds to "dm=1.6 kg". RRGA04~08DAV3 + RHBX04+08DA Installer reference guide ROTEX HPSU Bi-Bloc Ultra 4P495262-1B – 2019.10...
  • Page 100: Esp Curve: Indoor Unit

    A (kPa) Optional equipment Equipment made or approved by ROTEX that can be combined with the product according to the instructions in the accompanying documentation. Field supply Equipment NOT made by ROTEX that can be combined with the product according to the instructions in the accompanying documentation.
  • Page 101: Field Settings Table

    1/10 7401 Field settings table [8.7.5] = ..Applicable indoor units *HBX04D*6V RHBX04D*9W *HBX08D*6V *HBX08D*9W EHBH04D*6V EHBH08D*6V EHBH08D*9W EHVX04S18D*3V* EHVX04S18D*6V* EHVX04S23D*3V* EHVX04S23D*6V* EHVX08S18D*6V* EHVX08S18D*9W* EHVX08S23D*6V* EHVX08S23D*9W* EHVH04S18D*6V* EHVH04S23D*6V* EHVH08S18D*6V* EHVH08S18D*9W* EHVH08S23D*6V* EHVH08S23D*9W* Notes (*1) *3V (*2) *6V (*3) *9W (*4) *HB* (*5) EHV* (*6) *X* (*7) *H*...
  • Page 102 2/10 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value Room └─ Antifrost 1.4.1 [2-06] Activation 0: Disabled 1: Enabled 1.4.2 [2-05] Room setpoint 4~16°C, step: 1°C 12°C └─...
  • Page 103 3/10 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value Additional zone [2-0D] Emitter type 0: Underfloor heating 1: Fancoil unit 2: Radiator └─ Setpoint range 3.8.1 [9-05] Heating minimum 15~37°C, step: 1°C 25°C...
  • Page 104 4/10 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [0-0B] Leaving water value for high ambient temp. for DHW WD curve. 35~[6-0E]°C, step: 1°C 55°C [0-0C] Leaving water value for low ambient temp. for DHW WD curve. 45~[6-0E]°C, step: 1°C 60°C [0-0D]...
  • Page 105 5/10 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [0-04] Leaving water value for high ambient temp. for LWT add zone cooling WD curve. [9-07]~[9-08]°C, step: 1°C 8°C [0-05] Leaving water value for low ambient temp.
  • Page 106 6/10 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value 9.9.2 [4-09] Type 0: Current 1: Power 9.9.3 [5-05] Limit 0~50 A, step: 1 A 50 A 9.9.4 [5-05] Limit 1 0~50 A, step: 1 A...
  • Page 107 7/10 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [1-04] Weather dependent cooling of the main leaving water temperature zone. 0: Disabled 1: Enabled [1-05] Weather dependent cooling of the additional leaving water temperature zone 0: Disabled 1: Enabled [1-06]...
  • Page 108 8/10 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [4-0A] Backup heater configuration 0: 1 (*1) 1: 1/1+2 (*2) (*3) 2: 1/2 3: 1/2 + 1/1+2 in emergency [4-0B] Automatic cooling/heating changeover hysteresis.
  • Page 109 9/10 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [8-08] What is the desired eco main LWT in cooling? [9-03]~[9-02], step: 1°C 20°C [8-09] [9-01]~[9-00], step: 1°C What is the desired comfort main LWT in heating? 35°C [8-0A]...
  • Page 110 10/10 Installer setting at variance with Field settings table default value Breadcrumb Field code Setting name Range, step Date Value Default value [E-00] Which type of unit is installed? 0: LT split [E-01] Which type of compressor is installed? [E-02] What is the indoor unit software type? R/W (*6) 0: Reversible (*6)
  • Page 112 Unsere Partner im Ausland Our partners abroad • Unsere Partner im Ausland Nos partenaires à l’étranger • Le nostre sedi all'estero Neustros representantes en el extranjero Nasi partnerzy za granicą • Naši partneři v zahraničí 4P495262-1B http://de.rotex-heating.com > ueber-rotex > international 2019.10...

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