Related Manuals for Rotex RKHBRD014ADV1
Summary of Contents for Rotex RKHBRD014ADV1
- Page 1 INSTALLATION MANUAL Indoor unit for air to water heat pump system RKHBRD011ADV1 RKHBRD014ADV1 RKHBRD016ADV1 RKHBRD011ADY1 RKHBRD014ADY1 RKHBRD016ADY1...
- Page 2 >600 LV HV HV+PS...
- Page 3 3P402254-2...
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Page 4: Table Of Contents
MAINTENANCE OR SERVICE TO THE UNIT. Selecting an installation location..........9 IF UNSURE OF INSTALLATION PROCEDURES OR USE, Dimensions and service space ........... 9 ALWAYS CONTACT YOUR ROTEX DEALER FOR Inspecting and handling the unit ..........9 ADVICE AND INFORMATION. Installing the indoor unit.............. 9 THE UNIT DESCRIBED IN THIS MANUAL IS DESIGNED Piping connection work.............. -
Page 5: Scope Of This Manual
This PCB is needed when the optional heater kit RKBUH Water heat exchanger Electronic expansion or Rotex room thermostat RKRTR or RKRTW is installed or when valve Compressor multiple set point control is used, and provides the communication Pump By-pass valve (field... - Page 6 RKRTW can be connected to the Rotex system. Rotex can not guarantee neither good operation nor reliability of the system if another thermostat is used. For those reasons Rotex can not give warranty of the Outdoor unit Collector (field supply) system in such case.
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Page 7: Application Examples With 2 Or More Different Heat Emitters And 1 Heat Source (Rkhbrd Unit)
Rotex system is too high. For this reason a temperature reducing device (field supply) is required to lower the water temperature (the hot water will be mixed with cold water to lower the temperature). -
Page 8: Application Examples With 2 Different Heat Sources (Auxiliary Boiler + Rkhbrd Unit)
1 2 3 4 5 Space heating with an auxiliary boiler (alternating operation) Space heating application by either the Rotex indoor unit or by an auxiliary boiler connected in the system. An auxiliary contact decides whether either the RKHBRD* indoor unit or the boiler will operate. -
Page 9: Design Of The Hydraulic System
Simultaneous operation of the auxiliary boiler and the NOTE When replacing an old gas or fuel oil boiler by a air to RKHBRD* unit is NOT allowed. water heat pump system (RKHBRD*): please always check the specifications of the Pay special attention to the control of the circulation pump of the old unit;... -
Page 10: Accessories
Air purge valve CCESSORIES Remaining air in the water circuit will be automatically removed via the air purge valve. Accessories supplied with this unit Temperature sensors (thermistors) Temperature sensors determine the water and refrigerant (See figure 1) temperature at various points in the circuit. Installation manual Switch box Operation manual... -
Page 11: Switch Box Main Components
10. Terminal block X3M Switch box main components Field wiring terminal block for DC connections. 11. Terminal block X2M V1 unit types (1-phase) Field wiring terminal block for AC connections. 12. DC connector X1Y 13. Pump connector X2Y 14. AC connector X3Y 15. -
Page 12: Installation Of The Indoor Unit
NSTALLATION OF THE INDOOR UNIT Dimensions and service space Unit of measurement: mm Selecting an installation location Dimensions of the unit, see figure 4 Gas pipe connection Water inlet connection NOTE Make sure to provide for adequate measures in Liquid pipe connection Water outlet connection order to prevent that the indoor unit should be used as a shelter by small animals. - Page 13 I Install the grommets (accessories) around the knock-out First connect the flexible water piping delivered with the unit to holes to prevent damage. the field piping. Then connect the flexible water piping through the foreseen knock-out holes with the unit water system to prevent excessive bending (kink) of the flexible water piping in the process.
- Page 14 Close the unit It is very important to keep good visibility of the 1 Fix the top panel on the unit with the appropriate screws. manometer. The position of the manometer can be changed as shown in the figure below. Make sure that the capillary tube does not come in contact with sharp edges and prevent bending of the capillary tube as much as possible.
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Page 15: Piping Connection Work
When loosening a flare nut, always use two wrenches together. IPING CONNECTION WORK When connecting the piping, always use a spanner and torque wrench together to tighten the flare nut to prevent flare nut cracking and leaks. Refrigerant piping work Piping union For all guidelines, instructions and specifications regarding refrigerant piping work between the indoor unit and the outdoor unit,... -
Page 16: Checking The Water Volume And Expansion Vessel Pre-Pressure
Checking the water volume and expansion vessel Using the table and instructions below, determine if the expansion vessel pre-pressure requires adjustment and pre-pressure determine if the total water volume in the installation is below the The unit is equipped with an expansion vessel of 12 litre which has a maximum allowed water volume. -
Page 17: Setting The Pre-Pressure Of The Expansion Vessel
Example 1 Precautions when connecting field piping and regarding The indoor unit is installed 5 m below the highest point in the water insulation circuit. The total water volume in the water circuit is 100 l. The complete water circuit, inclusive all piping, must be insulated to In this example, no action or adjustment is required. -
Page 18: Electrical Wiring Work
LECTRICAL WIRING WORK Internal wiring - Parts table Refer to the internal wiring diagram supplied with the unit. The Precautions on electrical wiring work abbreviations used are listed below. switch box components list WARNING A1P......Main PCB A main switch or other means for disconnection, A2P...... -
Page 19: System Overview Of Field Wiring
Connection of the indoor unit power supply and R5T......Leaving water thermistor communication cable(s) R6T......Discharge thermistor R7T......Liquid thermistor R134a Cable requirements R8T......Fin thermistor Maximum RC (A*P)....Receiver circuit Cable Required number running S1PH ......High pressure switch Item bundle Description of conductors... -
Page 20: Installation Of The Remote Controller
Fix the cables with cable ties to the cable tie mountings to ensure strain relief and to make sure that it does not come in contact with the piping and sharp edges. Never squeeze bundled cables. Note: only relevant field wiring is shown in figure Close the switch box cover and install the switch box back into the unit by following the instructions described in... - Page 21 Possible types of benefit kWh rate power supply For Y1 unit types only (3~) Possible connections and requirements to connect the equipment to [6-04]=1 [6-04]=2 such power supply are illustrated in the figures below: For V1 unit types only (1~) L2L3 L2L3 [6-04]=1...
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Page 22: Start-Up And Configuration
Type 1 Water leak Check the inside of the unit on water leakage. In case there is a The benefit kWh rate power supply is of the type that power supply is water leakage close the water inlet and water outlet shut-off not interrupted. -
Page 23: Procedure
Procedure Detailed description To change one or more field settings, proceed as follows. [0] Remote control setup [0-00] User permission level The remote controller can be programmed to make certain buttons and functions unavailable for the user. There are 2 permission levels defined. - Page 24 In the following tables both methods on how to interpret the schedule Method 2 timer are shown. [0-03]=0 Space heating based on ON/OFF instruction During operation When the schedule timer switches space heating OFF, Method 1 [0-03]=1 (default) Space heating based on temperature set point the controller will be switched off (operation LED will stop working).
- Page 25 [1] Automatic storage timing for domestic water heating Setback can be configured for both room temperature control and leaving water temperature control. In this mode, the indoor unit will deliver hot water to the domestic hot water tank based on the daily fixed pattern. This mode will continue until storage temperature is reached.
- Page 26 [3-00] ambient temperature (Lo_A): outdoor See also "[2] Automatic setback function" on page 22 for more temperature. information about the setback operation. [3-01] High ambient temperature (Hi_A): high outdoor [5-02] Leaving water setback temperature temperature. [5-03] Room setback temperature [3-02] Set point at low ambient temperature (Lo_Ti): the target [6] Option setup outgoing water temperature when the outdoor temperature equals or drops below the low ambient temperature (Lo_A).
- Page 27 [8] Option setup [9] Automatic temperature compensation [8-00] Remote controller temperature control If needed, it is possible to adjust some thermistor value of the unit by a correction value. This can be used as countermeasure for When using the remote control delivered with the unit, 2 types of thermistor tolerances or capacity shortage.
- Page 28 [b] Domestic hot water set points [b-03] Set point: storage temperature (see figure above) only valid when [b-02]=0. The reheat mode will prevent the domestic hot water from cooling down lower than a certain temperature. When enabled the indoor unit If weather dependent domestic water heating is NOTE will deliver hot water to the domestic hot water tank if the reheat...
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Page 29: Simultaneous Demand Of Space Heating And Domestic Water Heating
I [E-04]=2 high pump speed operation Storage operation If you select [E-04]=1 or 2 and [6-00]=1, the unit will activate When requesting space heating and domestic water heating the domestic hot water 3-way valve. This function is a helpful (storage) at the same time, domestic water will be heated feature to get all air removed out of the system (as well in according to running timer, then space heating will start again space heating as in domestic hot water heating). - Page 30 External room thermostat Storage operation When requesting space heating and domestic water heating When the reheat temperature is reached, the further heat up of the (storage) at the same time, domestic water will be heated domestic hot water tank will be decided by the external room according to running timer, then space heating will start again thermostat thermo conditions and running timers which are according to running timer, then domestic water heating will start...
- Page 31 Remote controller room temperature control Storage operation When requesting space heating and domestic water heating When the reheat temperature is reached, the further heat up till (storage) at the same time, domestic water will be heated, but as storage temperature of the domestic hot water tank will be decided by soon as the room temperature drops 3°C from set point, space the remote controller room thermostat in order to prevent the room heating will start till 0.5°C above set point, then domestic water...
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Page 32: Multiple Set Point Control
Multiple set point control The request signals for space heating can be implemented in 2 different ways (installer choice): If you want to use multiple set point control, a temperature reducing thermo ON/OFF signal (from external room thermostat) device ( ) is needed. - Page 33 flow towards other appliances as well, Space 1 Space 2 Space 0 etc.) Rotex does not offer any temperature reducing device ( ). This system only provides the possibility to use multiple set points. It is advised to only use the automatic storage...
- Page 34 Enter the temperature multiple set point 2: [A-04] (see below) sufficient flow towards other appliances as well, etc.) Configuration example: Rotex does not offer any temperature reducing Field device ( ). This system only provides the point...
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Page 35: Field Settings Table
Field settings table Installer setting at variance with default value First Second Default code code Setting name Date Value Date Value value Range Step Unit Remote control setup User permission level — Room temperature compensation value –5~5 °C Not applicable. Do not change the default value. 1 (ON) —... - Page 36 Installer setting at variance with default value First Second Default code code Setting name Date Value Date Value value Range Step Unit Automatic temperature compensation Leaving water temperature compensation value –2~2 °C Domestic hot water tank compensation value –5~5 °C Thermo ON/OFF admission –5~5 °C...
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Page 37: Final Check And Test Run
Temperature read-out mode INAL CHECK AND TEST RUN On the remote controller, the actual temperatures can be displayed. Push and hold the button for 5 seconds. Final check The leaving water temperature is displayed (icons Before switching on the unit, read the following: are blinking). -
Page 38: Maintenance And Service
field wiring have to be carried out Water filter at regular intervals. Clean the water filter. This maintenance should be carried out by your local Rotex technician. Charging and vacuuming When charging, recovery and vacuuming the R134a circuit is... -
Page 39: Opening The Unit
Opening the unit General symptoms To facilitate access to the air Symptom 1: The unit is turned on ( LED is lit) but the unit is not purge valve, thermal cut-out, heating as expected 3-way valve, thermistors, field wiring duct, ..., OSSIBLE CAUSES ORRECTIVE ACTION... -
Page 40: Error Codes
Symptom 5: The user interface displays " " when pressing Error certain buttons code Failure cause Corrective action Low pressure error (B1PL) • Check wiring connections on OSSIBLE CAUSES ORRECTIVE ACTION outdoor unit and indoor unit. The current permission level is set to Change the "user permission level"... -
Page 41: Unit Specifications
NIT SPECIFICATIONS Technical specifications Nominal capacity (kW) 11.2 11.2 Casing material Pre-coated sheet metal Pre-coated sheet metal Pre-coated sheet metal Dimensions H x W x D 705 x 600 x 695 705 x 600 x 695 705 x 600 x 695 (mm) Weight •... -
Page 42: Annex
NNEX General overview and guide to start up the unit Space heating Push the button Temperature set point " " start blinking You selected remote You selected leaving controller room water control operation temperature Room [8-00]=0 (page thermostat operation? temperature [8-00]=1, default (page You selected multiple... - Page 43 Domestic water heating Yes Normal domestic hot water operation? Forced operation Storage operation? Automatic? Storage function Reheat function Reheat minimum Disinfection function Manual storage Automatic storage set point [b-02]? temperature [b-00] [4-00] (default) function Reheat maximum temperature [b-01] Storage set Disinfection set point Automatic point [b-03]...
- Page 44 Simultaneous demand of space heating and domestic water heating Simultaneous Normal operation request space space heating or heating and domestic water domestic water heating heating? Yes (1) Domestic hot water production will start Domestic hot water Domestic hot water temperature reached production will A=minimum ([b-01];...
- Page 48 4P403581-1 2015.04...
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