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...
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...
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.
▪ 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...
▪ 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...
▪ 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: ▪...
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...
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...
▪ #: [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.
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...
▪ 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...
▪ 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.
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...
▪ 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...
▪ 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...
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...
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…...
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...
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...
▪ 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...
"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...
▪ 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...
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...
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...
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...
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...
▪ (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...
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...
▪ 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...
▪ 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...
▪ 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...
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...
−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...
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...
▪ 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...
▪ 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...
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...
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...
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...
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...
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...
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...
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). ▪...
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...
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...
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...
▪ 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 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...
▪ 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...
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...
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...
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...
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 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.
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...
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...
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...
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...
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...
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...
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...
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...
"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...
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...
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...
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...
(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...
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...
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 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...
Need help?
Do you have a question about the HPSU Bi-Bloc Ultra Series and is the answer not in the manual?
Questions and answers