Wärmepumpe, Heizsysteme für Gas und Öl, Brenner, Speichersysteme, Trinkwassersysteme | Weishaupt
Installation Guide for Weishaupt models including: WPM 6.0 Cascade Controller, WPM 6.0, Cascade Controller, Controller
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DocumentDocumentmanual Installation and operating instructions Installing the cascade controller WPM 6.0 83324902 · 1/2022-02 Installation and operating instructions Installation Cascade controller WPM 6.0 Table of contents 1 Safety notes...................................................................................................................................... 3 1.1 Symbols and markings .............................................................................................. 3 1.2 Important information................................................................................................. 3 2 Cascade controller scope of supply.................................................................................... 4 3 Mounting............................................................................................................................................. 5 3.1 Attaching the wall-mounted cascade controller.................................................. 5 3.2 Temperature sensor................................................................................................... 6 4 Electrical installation work for the cascade controller .............................................. 9 4.1 Electrical installation work ........................................................................................ 9 4.2 Functions .................................................................................................................... 11 4.3 Connecting electronically regulated circulating pumps ..................................14 5 Special accessories ...................................................................................................................15 5.1 Room temperature controller RTM Econ ............................................................15 5.2 Building management system................................................................................15 6 Technical device information ................................................................................................16 452117.66.24a · 1/2022-02 · Rei 2 83324902 Installation and operating instructions Installation Cascade controller WPM 6.0 1 Safety notes 1 Safety notes 1.1 Symbols and markings Particularly important information in these instructions is marked with CAUTION! or NOTE. ACCAHUTUIONNG Immediate danger to life or danger of severe personal injury or significant damage to property. Note Risk of damage to property or minor personal injury or important information with no further risk of personal injury or damage to property. 1.2 Important information During commissioning, observe the respective country-specific regulations and the applicable VDE safety regulations, particularly VDE 0100 as well as the technical connection requirements of the utility companies (EVU) and network operators! The cascade controller may only be operated in dry rooms with temperatures between 0°C and 35°C. Condensation is not permitted. All sensor connection lines can be extended to up to 50 m with PVC Cu cables with routing type B2 and an ambient temperature of 35°C. Sensor leads should not be installed next to power cables. To ensure that the frost protection function works properly, the cascade controller must remain connected to the power supply and the flow must be maintained through the heat pumps at all times. The switching contacts of the output relay are interference-suppressed. Therefore, depending on the internal resistance of the measuring instrument, a voltage can also be measured when the contacts are open. However, this will be much lower than the line voltage. The adapter boards -N1/SL, -N1/ML, -N17/LV and the connectors -N1/J9, J14 and J29 and -N17/J6 and J9 carry extra-low voltage. If, due to a wiring error, line voltage is mistakenly connected to these terminals, the cascade controller will be destroyed. 452117.66.24a · 1/2022-02 · Rei 3 83324902 Installation and operating instructions Installation Cascade controller WPM 6.0 2 Cascade controller scope of supply 2 Cascade controller scope of supply Cascade controller with casing 3 wall plugs (6 mm) with screws for wall mounting Demand sensor R2.2 Flow sensor R9.5 Return sensor R2.5 Note Outside temperature sensor R1 not included. An outside temperature sensor for the cascade controller should be retrieved from the scope of supply of the heat pump being installed. 452117.66.24a · 1/2022-02 · Rei 4 83324902 Installation and operating instructions Installation Cascade controller WPM 6.0 3 Mounting 3 Mounting 3.1 Attaching the wall-mounted cascade controller The controller is attached to the wall with the 3 screws and wall plugs (6 mm) included in the scope of supply. The following installation procedure must be followed to avoid soiling or damaging the controller: Mount the wall plugs for the upper fastening eyelet at operator level. Screw the screw into the wall plug so that the controller can be mounted. Mount the controller by the upper fastening eyelet. Mark the position of the side drill-holes. Unhook the controller. Mount the wall plugs for the side drill-holes. Remount the controller at the top and tighten the screws. Fig. 3.1: Dimensions of the wall-mounted cascade controller 452117.66.24a · 1/2022-02 · Rei 5 83324902 NTC-2 in k NTC-10 in k Installation and operating instructions Installation Cascade controller WPM 6.0 3 Mounting 3.2 Temperature sensor Depending on the hydraulics' layout, the following temperature sensors are already installed or must be additionally mounted: NTC-2 sensor Outside temperature (R1) NTC-10 sensor 1st, 2nd and 3rd heating circuit temperature sensor (R35, R5 and R21) Demand sensor (R2.2) DHW temperature sensor (R3) Renewable cylinder temperature sensor (R13) Flow sensor (R9.5) Return sensor (R2.5) Temperature in °C -20 -15 -10 -5 0 5 10 15 20 25 30 35 40 45 50 55 60 14.6 11.4 8.9 7.1 5.6 4.5 3.7 2.9 2.4 2.0 1.7 1.4 1.1 1.0 0.8 0.7 0.6 67.7 53.4 42.3 33.9 27.3 22.1 18.0 14.9 12.1 10.0 8.4 7.0 5.9 5.0 4.2 3.6 3.1 20 18 16 14 Resistance value [kOhm] 12 10 8 6 4 2 0 -20 -15 -10 -5 0 5 10 15 20 25 30 35 40 45 50 55 60 Outside temperature [°C] Fig. 3.2: Sensor characteristic curve, NTC-2 according to DIN 44574 70 60 50 Resistance value [kOhm] 40 30 20 10 0 -20 -15 -10 -5 0 5 10 15 20 25 30 35 40 45 50 55 60 Outside temperature [°C] Fig. 3.3: NTC-10 sensor characteristic curve for connection to the heating controller 452117.66.24a · 1/2022-02 · Rei 6 83324902 Installation and operating instructions Installation Cascade controller WPM 6.0 3 Mounting 3.2.1 Mounting the outside temperature sensor The temperature sensor must be mounted in such a way that all weather conditions are taken into consideration and the measured value is not falsified. On the external wall of a heated room used as living space, if possible on the north or north-west side of the building Do not install in a "sheltered position" (e.g. in a wall niche or under a balcony) Not in the vicinity of windows, doors, exhaust air vents, external lighting or heat pumps Not to be exposed to direct sunlight at any time of year Note Outside temperature sensor R1 not included. An outside temperature sensor for the cascade controller should be retrieved from the scope of supply of the heat pump being installed. Note A cascade circuit with multiple heat pumps and a single cascade controller requires only a single outside temperature sensor for the cascade controller. The cascade controller will transmit the outside temperature to the heat pumps' heat pump managers through the communications connection. - Dimensioning parameters, sensor cable Conductor material Cu Cable length 50 m Ambient temperature 35°C Routing type B2 (DIN VDE 0298-4/ IEC 60364-5-52) External diameter 4-8 mm 3.2.2 Mounting the strap-on sensor The strap-on sensors can be fitted as pipe-mounted sensors or installed in the immersion sleeve of the compact manifold. Remove paint, rust and scale from heating pipe Coat the cleaned surface with heat transfer compound (apply sparingly) Attach the sensor with a hose clip (tighten firmly, as loose sensors can cause mal- functions) and thermally insulate Hose clip Thermal insulation Strap-on sensor Fig. 3.4: Mounting a pipe strap-on sensor 452117.66.24a · 1/2022-02 · Rei 7 83324902 Installation and operating instructions Installation Cascade controller WPM 6.0 3 Mounting 3.2.3 Hydraulic distribution system The compact manifold and the dual differential pressureless manifold function as an interface between the heat pump, the heating distribution system, the buffer tank and, in some cases, even the domestic hot water cylinder. A compact system is used to simplify the installation process, so that a lot of different components do not have to be installed individually. Further information can be found in the relevant installation instructions. Compact manifold If a compact manifold is used, the demand sensor is mounted on the joint return as a strap-on sensor or in an immersion sleeve. Dual differential pressureless manifold In order for the heating circuit pumps of the generator and consumer circuits to supply the flow to the demand sensor R2.2, the demand sensor must be installed in the immersion sleeve of the dual differential pressureless manifold. The return sensor remains in the heat pump. Note Through installation of the demand sensor R2.2 as a strap-on sensor at the water outlet of the buffer tank connected in series, operation of the heating system can be optimised. 452117.66.24a · 1/2022-02 · Rei 8 83324902 Installation and operating instructions Installation Cascade controller WPM 6.0 4 Electrical installation work for the cascade controller 4 Electrical installation work for the cascade controller 4.1 Electrical installation work 1. A shielded communications line (e.g. Y(ST)Y ..LG) needs to be set up between the cascade controller and the heat pump managers. For details, refer to the included electrical documentation. 2. The three-core electrical supply cable for the cascade controller (N1) is laid to the cascade controller's later installation location. The supply cable (L/N/PE~230 V, 50 Hz) for the cascade controller must have a continuous voltage. For this reason, it should be tapped upstream from the utility company blocking contactor or be connected to the household current, because otherwise important protection functions could be lost during a utility block. 3. The NO contact for the utility company blocking contactor (13/14) is connected to pin (1) (DI1) of function block 0 (grey). CAUTION! Extra-low voltage! 4. The contactor (K20) for the immersion heater (E10) of mono energy systems (2nd heat generator) should be dimensioned according to the radiator output and must be provided on-site. Control (230 V AC) is executed through the cascade controller via connection to pin (7) (NO3) of function block 0 (grey). 5. The contactor (K21) for the flange heater (E9) in the domestic hot water cylinder should be dimensioned according to the radiator output and must be provided onsite. The control (230 V AC) is performed from the WPM via pin (7) of the defined function block. 6. The contactors mentioned above in points 3, 4 and 5 are installed in the electrical distribution system. The mains cables for the radiators should be dimensioned and protected according to DIN VDE 0100. 7. The heat circulating pump (M13) is connected to pin (5) (230 V AC) and (8) (control signal) of function block 0 (grey). 8. The external sensor (R1) is connected to pin (3) (U1) of function block 0 (grey). Note When using three-phase pumps, a power contactor can be controlled via the 230 V output signal of the cascade controller. Sensor cables can be extended up to 50 m with 2 x 0.75 mm cables. Note Further information on wiring the cascade controller is available in the circuit diagram. 452117.66.24a · 1/2022-02 · Rei 9 83324902 Installation and operating instructions Installation Cascade controller WPM 6.0 4 Electrical installation work for the cascade controller +A2XX U10 U9 U8 U7 U6 (8) (4) (3) (2) (1) U5 U4 U3 U2 U1 X3 (8) (4) (3) (2) (1) +A205-N14 DI4 DI3 DI1 Y2 X3.2 U10 (2) (1) (2) (1) (8) (14) (8) (4) DI2 Y3 Y1 DC U9 U7 U5 U3 U1 (3) (4) (3) (12)(11)(10) (9) (4) (3) U8 U6 U4 U2 X3.1 (2) (1) (4) (3) (8) (8) (2) (1) +A220-N17 (optional) +A220-T1 (optional) +A205-N1 +A205-LP (10.0AT 230VAC) +A205-T1 +A205-X1 +A205-KM18 +A205-KM16 +A205-KM13 XC F:NO1..6 F:X1 (7) (6) (5) NO6 NO5 NO4 X1 (7) (6) (5) NO3 NO2 NO1 T1 F:xxx = 6,3AT (230VAC) (7) (6) (5) NO13 NO12 NO11 X1.2 F:NO9..13 F:X2 (7) (6) (5) (7) (6) NO10 NO9 X1.1 NO8 NO7 NO6 XC F:NO1..8 F:T1 (5) (13) (7) (6) (5) NO5 NO4 NO3 NO2 NO1 XC X1.2 X1.1 X2 T1 Fig. 4.1: Wall-mounted cascade controller 452117.66.24a · 1/2022-02 · Rei 10 83324902 Installation and operating instructions Installation Cascade controller WPM 6.0 4 Electrical installation work for the cascade controller 4.2 Functions In its basic version, the WPM 6.0 cascade controller comes with one unchangeable pin assignment on the "grey" function block for the function "General/unmixed circuit 1". Additional functions can be assigned as desired to three function blocks (yellow, green, red) (see Chapter 4.2.1 on page 11). If these three function blocks are not enough, you can add two more function blocks (orange, blue) using the extension optionally available as a special accessory. Five is the maximum possible number of function blocks (yellow, green, red, orange, blue). Note The "Active cooling" function can only be selected for reversible heat pumps. The "Active cooling" function only needs to be selected if it includes a required component. Note The "Master" function only needs to be selected if it includes a required component. 4.2.1 Overview of functions A1/K22 A2/K23 R1 R2.2 M13 H5 E10.1/K20 N27.1 N27.2 M16 M16 AO K31 B3 R3 (Y)M18 E9/K21 M24 M18 AO R35 M13 M21 M21 R5 M15 M22 M22 R21 M20 M29 M29 General/unmixed circuit 1 +A400 Utility company disable contactor External disable contactor Outside temperature sensor Demand sensor Heat circulating pump Remote fault indicator Pipe heater/immersion heater Smart Grid green Smart Grid red Auxiliary circulating pump Control signal for circulating pump Domestic hot water +A420 Circulation system requirements Thermostat Domestic hot water sensor Circulating pump/reversing valve Flange heater Circulation pump Control signal for circulating pump Mixed circuit 1 +A411 Sensor Circulating pump Mixer open Mixer closed Mixed circuit 2 +A412 Sensor Circulating pump Mixer open Mixer closed Mixed circuit 3 +A413 Sensor Circulating pump Mixer open Mixer closed 452117.66.24a · 1/2022-02 · Rei 11 83324902 Installation and operating instructions Installation Cascade controller WPM 6.0 4 Electrical installation work for the cascade controller E10.2/3 M26 M26 R13 M27 M27 B4 R20 (Y)M19 K36 M19 AO N5 K28 R24.2 R39 N9/M17 Y12 Y12 N5 K28 R11 R4 M12 Y5/Y6 M17 R2.5 R9.5 Bivalent +A441 Oil/gas boiler Mixer open Mixer closed Renewable +A442 Sensor Mixer open Mixer closed Swimming pool +A430 Thermostat Swimming pool sensor Circulating pump/reversing valve Flange heater Control signal for circulating pump Active cooling +A451 Dew point monitor Switching, heating/cooling Return sensor, primary circuit, cooling Demand sensor, cooling Switching, room thermostat/cooling circulating pump External 4-way reversing valve open External 4-way reversing valve closed Passive cooling +A452 Dew point monitor Switching, heating/cooling Flow, cooling water Return, cooling water Primary circulating pump, passive cooling 3- or 2-way valve Cooling circulating pump Master +A500 Return sensor Flow sensor 4.2.2 List of pin assignments for function block, fixed Function block 0 Function General/unmixed circuit 1 +A400 1 Grey A1 K22 2 Grey A2 K23 3 Grey R1 4 Grey R2.2 5 Grey M13 Connector number 6 7 8 9 10 11 Grey Grey Grey Grey Grey Grey H5 E10.2 K20 - N27.1 N27.2 - 12 Grey - 13 14 Grey Grey M16 M16 AO 452117.66.24a · 1/2022-02 · Rei 12 83324902 Installation and operating instructions Installation Cascade controller WPM 6.0 4 Electrical installation work for the cascade controller 4.2.3 List of pin assignments for function block, flexible Function block I Function block II Function block III Function block IV (accessories) Function block V (accessories) Functions Domestic hot water +A420 Mixed circuit 1 +A411 Mixed circuit 2 +A412 Mixed circuit 3 +A413 Bivalent +A441 Renewable +A442 Swimming pool +A430 Active cooling +A451 Passive cooling +A452 Master +A500 1 Yellow Green Red Orange Blue K31 N5 N5 2 Yellow Green Red Orange Blue B3 B4 K28 K28 3 Yellow Green Red Orange Blue Connector number 4 5 Yellow Yellow Green Green Red Red Orange Orange Blue Blue 6 Yellow Green Red Orange Blue R3 R35 R5 R21 R13 R20 R24.2 R11 R2.5 R39 R4 R9.5 (Y)M18 M13 M15 M20 E10.2/3 - M19 N9/M17 M12 M24 M21 M22 M29 M26 M27 Y12 Y5/Y6 7 Yellow Green Red Orange Blue E9/K21 M21 M22 M29 M26 M27 K36 Y12 M17 8 Yellow Green Red Orange Blue M18 AO - M19 AO - Example: Chosen pin assignment for domestic hot water function set to function block yellow First, choose the function for use, in this case domestic hot water, and the colour for the function block assigned, in this case yellow. Then find the domestic hot water line in the table and choose the component for connection, for example domestic hot water sensor R3. Afterwards, choose the pin for assignment on the yellow function block in the first line. In this case, domestic hot water sensor R3 needs to be connected to yellow pin number 3. Proceed likewise for all components you wish to connect. Note When commissioning the system through the touch display, the function for use and its associated colour assignment is queried and set. Function block I Function block II Function block III Function block IV (accessories) Function block V (accessories) Functions Domestic hot water +A420 Mixed circuit 1 +A411 1 Yellow Green Red Orange Blue K31 - 2 Yellow Green Red Orange Blue 3 Yellow Green Red Orange Blue Connector number 4 5 Yellow Yellow Green Green Red Red Orange Orange Blue Blue 6 Yellow Green Red Orange Blue 7 Yellow Green Red Orange Blue 8 Yellow Green Red Orange Blue B8 R3 - R35 - (Y)M18 M24 E9/K21 M18 AO - M13 M21Ç M21È - Note You can find detailed circuit diagram in the accessories pack Note The wall-mounted cascade controller and the heat pump manager need to be connected to one another with communication and control voltage cables 452117.66.24a · 1/2022-02 · Rei 13 83324902 Installation and operating instructions Installation Cascade controller WPM 6.0 4 Electrical installation work for the cascade controller 4.2.4 Master The cascade controller can control the hydraulic integration of heat pump heating systems with serial or with parallel buffer tanks. In heat pump heating systems with parallel buffer tanks, positioning the shared return sensor (R2.5) for the "Master" function and the demand sensor (R2.2) on the parallel buffer tank's flow outlet will ensure that the buffer tank discharges completely. Please observe the approved hydraulic integrations in this context. 4.3 Connecting electronically regulated circulating pumps Electronically regulated circulating pumps may have high starting currents, which may reduce the service life of the cascade controller. If the starting current value is high, or is unknown, install a coupling relay insofar as it is not already integrated. The coupling relay must usually be supplied on-site (not for M13, M16, M18). This is not necessary if the maximum permissible operating current of the cascade controller (see specifications in the circuit diagram) is not exceeded by the electronically regulated circulating pump or a relevant approval has been issued by the pump manufacturer. Note The high-efficiency pumps (UPH) are supplied with the relevant coupling relay for connecting and operating the electronically regulated circulating pump. ACCAHUTUIONNG It is not permitted to connect more than one electronically regulated circulating pump via a single relay output. 452117.66.24a · 1/2022-02 · Rei 14 83324902 Installation and operating instructions Installation Cascade controller WPM 6.0 5 Special accessories 5 Special accessories 5.1 Room temperature controller RTM Econ With cooling using panel heating/cooling systems, regulation is carried out according to the room temperature and humidity measured by the room controllers. The minimum possible cooling water temperature is calculated from the room temperature and humidity measured in the reference room. The control response of the cooling system is influenced by the currently measured room temperature and the set room set temperature. Fig. 5.1: Room temperature controller 5.2 Building management system The cascade controller can be connected to a building management system network by adding the relevant extension interface. Observe the specifications detailing connection and parametrisation in the supplementary installation instructions of the extension interface. The following network connections can be made on the cascade controller: EIB, KNX Ethernet Modbus TCP Modbus RTU 452117.66.24a · 1/2022-02 · Rei 15 83324902 Installation and operating instructions Installation Cascade controller WPM 6.0 6 Technical device information 6 Technical device information Nominal voltage Voltage range Power consumption Degree of protection according to EN 60529 Switching capacity of outputs Fuse breaking capacity Operating temperature Storage temperature Weight Mode of action Degree of soiling Heat/fire resistance Temperature for ball pressure test 230 V AC 50 Hz 195 to 253 V AC 50 VA IP 20 See circuit diagram (depending on the output) 1.5 kA 0°C to +35°C -15 °C to +60 °C 12.6 kg with packaging 9.5 kg without packaging Type 1.C 2 Category D 125 °C 452117.66.24a · 1/2022-02 · Rei 16 83324902 Installation and operating instructions Installation Cascade controller WPM 6.0 6 Technical device information 452117.66.24a · 1/2022-02 · Rei 17 83324902 Installation and operating instructions Installation Cascade controller WPM 6.0 6 Technical device information 452117.66.24a · 1/2022-02 · Rei 18 83324902 Installation and operating instructions Installation Cascade controller WPM 6.0 6 Technical device information 452117.66.24a · 1/2022-02 · Rei 19 83324902 Change of legal form from 22.11.2024: Max Weishaupt SE Max Weishaupt GmbH · 88475 Schwendi Weishaupt close by? 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