All rights reserved. Subject to change Wilo shall reserve the right to change the listed data without notice and shall not be liable for technical inaccuracies and/or omissions. The illustrations used may differ from the ori- ginal and are intended as an exemplary representation of the product.
Electrical work: qualified electrician Person with appropriate technical training, knowledge and ex- perience who can identify and prevent electrical hazards. • Installation/dismantling work: qualified electrician Knowledge regarding tools and fixation material for various structures Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Do not use any aggressive cleaners or scouring agents or fluids. • The product is not watertight. Do not submerse the product in fluids. • Only carry out maintenance tasks mentioned in these installa- tion and operating instructions. Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
(EC-Booster), which provides a constant pressure for the system. The pressurisation description can be found in the enclosed EC-Booster installation and operating instructions. Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
The current operating data and operating conditions are shown on the LCD display and in- dicated by LEDs. Operation and input of operating parameters is carried out using a rotary knob. Faults are stored in the fault memory. Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Thermal winding monitor (Pt100 sensor) − − − Fault message frequency converter − − − Other inputs Extern OFF: for remote deactivation of all pumps 1 1/2 = number of inputs, − = not available Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Installation and operating instructions for Control EC-Rain • Installation and operating instructions Control EC-Booster • Float switch Accessories • Pressure switch • Pressure sensor 4 to 20 mA • Filling level sensor 4-20 mA Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Check the cable cross-section and length for the routing type chosen. • Seal unused threaded cable glands. • Ensure that the following ambient conditions are adhered to: – Ambient/operating temperature: 0 … 40 °C – Relative humidity: 40 … 50% – Max. relative humidity: 90%, non-condensing Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
• Always have connection carried out by a qualified electrician. • Observe the installation and operating instructions for the connected pumps and signal transmitters. • The mains connection current and voltage must be as stated on the rating plate. Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 13
The mains voltage is set to 400 V at the factory. • To use another mains voltage, change the position of the cable jumper before connection. Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 14
Wire: L1, L2, L3, N, PE • Mains voltage adjustment: Converter bridge 400/COM (factory setting) NOTICE Neutral conductor required A neutral conductor is required at the mains connection for the correct functioning of the controls. Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 15
Currently measured operating current of the pump (Menu 4.29 – 4.30) 6.5.4 Connection, thermal motor monit- CAUTION oring Property damage due to external voltage! An external voltage which is applied destroys the component. • Do not apply external voltage (connect potential-free). Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 16
Fig. 10: Connection overview symbol 6.5.7 Connection of level sensor CAUTION Property damage due to external voltage! An external voltage which is applied destroys the component. • Do not apply external voltage (connect potential-free). Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 17
• Connect the wires to the terminal strip according to the connection diagram. • Use the terminal number shown in the connection overview on the switchgear cover. Fig. 13: Connection overview symbol Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 18
The external electrical power supply is also present at the terminals when the main switch is switched off! • Disconnect the external power supply before any work. • Electrical work must be carried out by a qualified electrician. • Observe local regulations. Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 19
Insert the connection cables laid by the customer through the threaded cable glands and se- cure. Connect the wires to the terminal strip according to the connection diagram. Use the terminal number shown in the connection overview on the cover. Fig. 18: Connection overview symbol Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 20
Field bus protocol settings: Menu 2.01 to 2.05. • The switchgear is terminated at the factory. Remove termination: Remove jumper “J2”. • If the ModBus requires a polarisation, plug in jumpers “J3” and “J4”. Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
For detailed settings of the rainwater storage tank and its level, see Setting parameters and definition of rainwater storage tank [” 23]. The schematic overview of the AF150 rainwater utilisation system and optional float switches are shown in the illustration. Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 22
Alternatively, the rainwater storage tank can be monitored with a float switch to detect dry run. For detailed settings of the rainwater storage tank and its level, see Setting parameters and definition of rainwater storage tank [” 23]. The schematic overview of Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 23
Dry run Dry run r storage r storage Fill level Fill level sensor sensor tank tank Installation height Installation height sensor sensor Ground Ground Fig. 24: Setting parameters and menus for the settings Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 24
Setting parameters and definition NOTICE of the hybrid tank (EC-rh only) The fresh water supply via a tank for the AF150 must be provided and di- mensioned by the customer on-site. Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 25
The opening and closing of the fresh water valves are defined in Menus 5.52 and 5.53. When the fresh water activation threshold (Menu 5.52) is fallen below, the Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 26
In addition to operation with filling level sensors, optional float switches can be integrated into the system, which provide redundancy on the one hand and offer additional functional options on the other. Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 27
Minimum pressure monitoring Minimum pressure monitoring is activated as a factory setting (Menu 5.18, factory setting: 1 bar). As soon as a pump is running, the minimum pressure monitoring is active. Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 28
Start test run when the pumps are switched off using “Extern OFF”? • Menu 5.42: Pump kick interval Time interval after which a test run takes place. NOTICE! The time interval will start when all pumps are switched off! Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
EC-Booster installation and operating instructions. The following functions can be called up using the Easy Actions menu: Reset the current error message NOTICE! Menu item is only shown when an error is present! Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Corresponds to the “Auto” value in Menu 3.06. Automatic mode valve 2 Corresponds to the “Auto” value in Menu 3.07. Factory settings To reset the switchgear to the factory settings, contact customer service. Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Turn the main switch to the “ON” position. Switchgear starts. – All LEDs light up for 2 s. – The display illuminates and the start screen appears. – The standby symbol appears in the display. Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
This may lead to gaps in the menu structure. As standard, the values are only displayed. To change the values, the parameter input in 8.3.1 Enable parameter input Menu 7.01 must be enabled: Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 34
5.23 Threshold for high fill level of hybrid tank − • 5.24 Overflow threshold for hybrid tank − • 5.26 Shape of the hybrid tank − • 5.27 Height of the hybrid tank − • Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 35
5.73 Reaction to underpressure • − 5.74 Delay in pressure monitoring • − 5.75 Duration of calcination protection • • 5.76 Auxiliary output of delay time • • Table 4: Available parameters Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 36
Float, Level Factory setting Level Description Definition of the signal transmitter for level measurement in the hybrid tank: • Float = level sensor Fig. 33: Menu 5.07 • Level = filling level sensor Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 37
Installation height of hybrid tank filling level sensor Value range 0.00 – 10.00 m Factory setting 0.02 m Description Distance between the bottom of the hybrid tank and the in- stallation height of the filling level sensor in metres. Fig. 39: Menu 5.21 Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 38
Measurement range for rainwater storage tank filling level sensor Value range 1.00 – 10.00 m Factory setting 5.00 m Description Defines the end value of the filling level sensor for the rainwa- ter storage tank in metres. Fig. 45: Menu 5.30 Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 39
The height is displayed from the bottom of the rain- Fig. 51: Menu 5.37 water storage tank. Must be greater than 5.34+5.35. Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 40
Waiting time after activation of the switchgear until a pump can be started. This can be utilised when using several switchgears in order to reduce power peaks by starting them Fig. 57: Menu 5.44 simultaneously. Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 41
Calcination protection Value range 0 – 7 d Factory setting 7 d Description The valve can be opened after the set time to stop it from be- coming stuck due to calcination. Fig. 63: Menu 5.54 Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 42
Menu no. 5.62 Name Delay dry-running protection Value range 0 – 180 s Factory setting 15 s Description The delay for detecting dry run to avoid false alarms caused by short impulses. Fig. 69: Menu 5.62 Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 43
(+ means after, - means before). • EC-rF: delayed auxiliary output relative to the pressure- Fig. 75: Menu 5.76 boosting pump • EC-rh: delayed auxiliary output relative to the feeding pump Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 44
Description Back to main menu Fig. 76: Back to Menu 5.00 Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 45
Factory setting 10 s Description Delays the stop of the base-load pump when the stop threshold has been reached and the actual value remains per- manently above the deactivation threshold. Fig. 82: Menu 1.09 Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 46
The fill level of the fluid at which the second pump is stopped. EC-rh: The fill level is measured in the hybrid tank. The fill level is indicated relative to the installation height of the sensor in Fig. 88: Menu 1.15 the hybrid tank. Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 47
In this case, the switchgear works as a Modbus Slave. An overview of individual parameters and a description of the data types used are shown in the appendix. Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 48
Parity setting for the ModBus RTU serial connection Fig. 94: Menu 2.04 Menu no. 2.05 Name Stop bits Value range 1; 2 Factory setting Description Number of stop bits for the ModBus RTU serial connection Fig. 95: Menu 2.05 Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 49
Check direction of rotation of the pumps • Set precise motor current monitoring (“Control EC-Booster” only) Use the following settings to perform the initial configuration: • Switch off the pumps: Set menus 3.02 to 3.04 to “off”. Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 50
The 3/2-way valve 1 can be operated manually for fresh water or rainwater or automatically. During manual operation, safety alarms such as dry run or thermal winding contact are still ob- Fig. 101: Menu 3.06 served. Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 51
999: Unlimited running time Description Back to main menu Fig. 107: Back to Menu 3.00 8.3.7 Adjust motor current monitoring Display the current value of the motor current monitoring Press the control knob for 3 s. Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 52
– Pump 1: P1 Hand – Pump 2: P2 Hand Start test run: Press the control knob. Pump runs for the set time (Menu 3.10) and then switches off again. Check direction of rotation. Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Active fieldbus operation Furthermore, the following information is available via Menu 4: Press the control knob for 3 s. ⇒ Menu 1.00 appears. Turn the control knob until Menu 4 appears. Press the control knob. Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 54
Fig. 112: Menu 4.07 Menu no. 4.08 (“EC-rh” only) Name Current water level in the hybrid tank Value range 0.00 – 10.00 m Description Current water level in the hybrid tank Fig. 113: Menu 4.08 Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 55
Operating hours of pump 1 with rotating motor. Fig. 118: Menu 4.13 Menu no. 4.14 Name Running time pump 2 Description Operating hours of pump 2 with rotating motor. Fig. 119: Menu 4.14 Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 56
• EC-rF for the AF150 • EC-rh for the AF400 Fig. 124: Menu 4.23 Menu no. 4.24 Name Software version Description Version for the software used in the switchgear Fig. 125: Menu 4.24 Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 57
Running time of valve 2 Description Amount of time valve 2 has been actuated. • EC-rF: AF150 – 3/2-way valve 2 • EC-rh: AF400 – Fresh water valve 2 Fig. 131: Menu 4.35 Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Back to main menu Fig. 137: Back to Menu 4.00 Shut-down • Electrical work: qualified electrician Personnel qualifications Person with appropriate technical training, knowledge and experience who can identify and prevent electrical hazards. Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Support the switchgear (e.g. get a second person to help). Loosen the switchgear fastening screws and remove the switchgear from the struc- ture. ▶ Switchgear removed. Observe the following for storage! Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Possible faults are shown by the fault LEDs and alphanumeric codes on the display. • Have the system checked according to the displayed fault. • Have the defective components replaced. Faults are displayed in various ways: • Fault in the control/on the switchgear: Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
E006 Rotating field error • Incorrect rotating field • Establish a clockwise rotating field at the • Operation via single-phase current connec- mains connection. tion • Deactivate rotating field monitoring (menu 5.68)! Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Proper disposal and appropriate recycling of this product prevents damage to the environ- 12.1 Information on the collection of ment and danger to your personal health. used electrical and electronic products Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Hand over these products at designated, certified collection points only. • Observe the locally applicable regulations! Please consult your local municipality, the nearest waste disposal site, or the dealer who sold the product to you for information on proper disposal. See www.wilo‑recycling.com for more information about recycling. Appendix 13.1...
EC-rh: Fresh water valves shut Fresh water utilisation active Threshold for overpressure detection exceeded EC-rF: 3/2-way valve actuated (EC-rF) EC-rh: Fresh water valves open Underpressure detection threshold not reached (EC-rF) Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Bit 7 will be 1, since 136 > 128. The remainder will be 136-128=8. Bits 6 to 4 will be 0. Bit 3 will be 1, since 8 = 8. The remainder will be 0. The remaining bits 2 to 0 will thus all be 0. Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 68
Water volume of UINT16 (382) rainwater storage tank 40384 Hybrid tank water UINT16 (383) volume Legend * R = read access only, RW = read and write access, W = write access Installation and operating instructions • Wilo-Control EC-Rain • Ed.01/2024-07...
Page 72
Local contact at www.wilo.com/contact WILO SE Wilopark 1 44263 Dortmund Germany T +49 (0)231 4102-0 T +49 (0)231 4102-7363 wilo@wilo.com Pioneering for You www.wilo.com...
Need help?
Do you have a question about the Wilo-Control EC-Rain and is the answer not in the manual?
Questions and answers