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Summary of Contents for Wilo Star E 21
- Page 1 Wilo- Star E 21 EC Motor-Driven, High-Efficiency, Wet-Rotor, Circulator Installation and operating instructions...
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Page 2: Horizontal Mounting
Fig. 1 - Model numbering information format Fig. 2 - Proper Mounting Figure 2a Figure 2b Figure 2c HORIZONTAL MOUNTING VERTICAL MOUNTING ROTATING THE DISPLAY (DEFAULT CONFIGURATION) - Page 3 Fig. 3 - Dimensional Data ALL DIMENSIONAL DATA IN INCHES Fig. 4- Probe Location Special Note: Refer to the boiler manufacturer’s pump placement. This is only an example. Installation and operating instructions - Wilo-Star E 21...
- Page 4 Figure 5- Installation and proper orientation Figure 5a - Installing the gaskets Figure 5b - Position of junction box Fig. 6 - Wiring Diagram...
- Page 5 Fig. 7 - Display navigation Fig. 8 - Performance curves for Constant Speed, HD mode, and Auto mode Installation and operating instructions - Wilo-Star E 21...
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Page 6: Installation And Electrical Connection
It is strongly suggested to have a trained technician install 2.3 Possible risks incurred by failure to comply with the and set the Star E 21 pump for operation. safety instructions 4.1 Unpacking Failure to comply with the safety instructions could result in personal injury or damage to the pump or installation. -
Page 7: Technical Data
The pump must not be used to pump flammable liquid such as Wilo). rapeseed oil and gasoline. Allowed liquids should be thin, clean, • Three wire nuts and three cable ties (provided by Wilo). non-corrosive and non-explosive and should not contain any solid particles, fiber or mineral oil. 4.2 Installation It is recommended that full port isolation ball valves be 4.3 Application areas:... -
Page 8: Modes And Functions
8. Maintenance to accept the change and to exit the setting. Fig. 7 -page 5-Display navigation. The Wilo Star E 21 is a maintenance free pump. Constant Speed Mode – Press and hold down the “Set” WARNING! Electrical shock hazard! button until the screen flashes “Delta-T mode”. -
Page 9: Faults, Causes And Remedies
10. Ohms Table 11. Accessories A good quality test meter capable of measuring Accessories may be ordered via the local WILO USA LLC. up to 5000kΩ(1kΩ=1000Ω) is required to measure distributor. the sensor resistance. In addition to this, the actual... - Page 10 WILO USA LLC WILO Canada Inc. WILO Mexico +1 262-204-6600 +1 403-276-9456 +52 442 167 00 32 www.wilo-usa.com www.wilo-canada.com www.wilo-mexico.com info.us@wilo.com info@wilo-canada.com info@wilo.com.mx...
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