H[m] Series description: Wilo-Star-Z 4 3 Wilo-Star-Z Star-Z 2/5 2/4 2 1 Star St ar- Z1 5T Design Glandless circulation pump with threaded connection Application Potable water circulation systems in industry and building services. Ce circulateur convient seulement pour l'eau potable. Type key Example: Wilo-Star-Z 2/1Wilo-Star-Z 15 TT Star Standard pump Z Circulation pump 2/ Nominal connection diameter 1 Nominal delivery head [m] TT with built-in time switch and temperature control (only Z 15 TT) EM AC motor (1~) DM Three phase motor (3~) -3 3 speed stages Special features/product advantages AC pumps with electrical quick connection All plastic parts that come into contact with the fluid fulfil KTW recommendations Thermal insulation as standard for StarZ 15 TT. Star-Z 15 TT with integrated timer and thermostat, LC display with symbolic language, red button technology and automatic detection of the thermal disinfection of the warm secondary hot water tank, as well as ball shut-off valve on the suction side and non-return valve on the pressure side. Technical data Constant speed or, for StarZ...-3, three selectable speed stages Fluid temperature: Potable water up to 3.21 mmol/l (18 dh): max. +65 C, in shortterm operation (2 h) up to +7 C Mains connection 1~23 V, 5 Hz or, for StarZ 25/2 DM, 3~4 V, 5 Hz Protection class IP 44 (IP 42 for Star-Z 15 TT) Nominal diameter Rp ½, Rp 1 Max. operating pressure 1 bar Subject to change without prior notice. Star -Z 2 Sta /7 r-z 25/ 6 Star-Z Star -Z 2 5/2 DM Z 25 /2 E M Star- T,5 Z 2 /1 1 2 3 4 Q[m³/h] Equipment/function Operating modes Speed stage switching (StarZ -3 only) Manual functions Setting of the speed stages (1 speed stage, 3 speed stages with StarZ...-3 pumps) Automatic functions Time switching function for programming of 3 switch-on or switch-off times (Z 15 TT only) Temperature control for maintaining a constant return temperature in the secondary hot water circulation system (Z 15 TT only) Thermal disinfection routine (detection and support of thermal disinfection of the warm secondary hot water tank) (only Z 15 TT) Blocking protection (only Z 15 TT) Signal and display functions LCD screen for display of pump data and fault codes (Z 15 TT only) Equipment Wrench attachment point on the pump body (StarZ 25 only) Cable inlet possible from both sides (StarZ 2/..., StarZ 25/... only) Quick connection with spring clips Blocking current-proof motor Integrated non-return valve on the pressure side (only Star-Z 15 TT) Integrated ball shut-off valve on suction side (only Star-Z 15 TT) Including time switch (only Z 15 TT) Materials Pump housing: Brass: Star-Z 15 Bronze: StarZ 2, Z 25 Impeller: Plastic Shaft: Stainless steel: Star-Z 15 Oxide ceramic: StarZ 2, Z 25 Bearing: Carbon, synthetic resin impregnated Scope of delivery Pump Including seals for threaded connection Including installation and operating instructions Including thermal insulation (Star-Z 15 TT only) Accessories Screwed connections Adapter fittings Thermal insulation shells for Star-Z 2, 25 Special brass inserted parts for screw-end pumps: Male thread/inner soldering connection WiloS1Rh switchgear plug-in module for StarZ 2/1, Z 25/2 EM (singlephase version) WiloSK 61N switchgear in connection with WiloSK 62N (as contactor) for StarZ 25/2 DM (three-phase version) www.wilo.co.uk 5 Hz EU 213-2 1 / 18
Series description: Wilo-Star-Z WiloSK 61N switchgear for timed On/Off switching for StarZ 2, 25 Subject to change without prior notice. www.wilo.co.uk 5 Hz EU 213-2 2 / 18
Data sheet: Wilo-Star-Z 15 TT Pump curves Single-phase current H[m] 1,,8,1,2,3,4,5,6 Star-Z 15 TT Wilo-Star-Z 15 TT 1~23 V - Rp ½ [m/s] Approved fluids (other fluids on request) Heating water (in accordance with VDI 235) Water-glycol mixtures (max. 1:1; above 2% admixture, the pumping data must be checked),6,4,2,5,1,15,2,25,3 Q[m³/ h],2,4,6,8 Q[l/s],2,4,6,8 1, Q[Igpm] P 1 [W] 2 16 12 8 4,5,1,15,2,25,3 Q[m³/ h] Potable water and water for foodprocessing companies in accordance with TrinkwV 21 (drinking water ordinance) Permitted field of application temperature of +25 C temperature +4 C Temperature range for applications in secondary hot water circulation systems at maximum ambient temperature of +4 C 2 - +65 C Dimension drawing A 41 42 138 66,35 126,4 8,4 5 Temperature range for applications in secondary hot water circulation systems at max. ambient temperature of +4 C in short-term operation 2 h T 7 C 31 19 74 Max. permitted total hardness in potable water circulation systems 3.21 mmol/l (18 dh) 77 Maximum permissible operating pressure Pipe connections P max 1 bar Terminal diagram 1~23 V Threaded pipe union Rp ½ Thread G 1 Overall length L 138 mm Motor/electronics Emitted interference EN 61-6-3 L N PE Blocking current-proof motor Single-phase motor (EM) 2pole 1~23 V, 5 Hz With built-in capacitor Interference resistance EN 61-6-2 Protection class IP 42 Insulation class F Mains connection 1~23 V, 5 Hz Speed range n 17-27 rpm Power consumption P 1 max. 22 W Current consumption I max..25 A Motor protection Not required (blocking-current proof) Subject to change without prior notice. www.wilo.co.uk 5 Hz EU 213-2 3 / 18
Data sheet: Wilo-Star-Z 15 TT Threaded cable connection PG 1x9 Materials Pump housing Impeller Pump shaft Bearing Brass (CuZn4Pb2) Plastic (PPO) Stainless steel (X35CrMo17) Carbon, synthetic resin impregnated Minimum suction head at suction port for avoiding cavitation at water pumping temperature Minimum suction head at 4 / 65 / 11 C.5 / 2 / m Information for order placements Make Type Wilo Star-Z 15 TT Art no. 411919 Weight approx. m 2.33 kg Subject to change without prior notice. www.wilo.co.uk 5 Hz EU 213-2 4 / 18
Data sheet: Wilo-Star-Z 2/1 Pump curves Single-phase current 1,2 1,,8 v,5 1, [m/s] Wilo-Star-Z 2/1 1 ~ 23 V Rp½ Approved fluids (other fluids on request) Heating water (in accordance with VDI 235) Water-glycol mixtures (max. 1:1; above 2% admixture, the pumping data must be checked) H [m],6,4 Potable water and water for foodprocessing companies in accordance with TrinkwV 21 (drinking water ordinance),2 Permitted field of application 5,25,5,75 1, 1,25 1,5,1,2,3,4 1 2 3 4 5 Q [m 3 /h] [l/s] [lgpm ] temperature of +25 C temperature +4 C P 1 [W] 4 3 2 Temperature range for applications in secondary hot water circulation systems at maximum ambient temperature of +4 C 2 - +65 C 1,25,5,75 1, 1,25 1,5 Dimension drawing 11 54 13 [m 3 /h] Temperature range for applications in secondary hot water circulation systems at max. ambient temperature of +4 C in short-term operation 2 h T 7 C PG 11 76 Max. permitted total hardness in potable water circulation systems 3.21 mmol/l (18 dh) 14 Maximum permissible operating pressure P max 1 bar 7 78 Pipe connections G 1 93,5 33 96 Threaded pipe union Rp ½ Thread G 1 Overall length L 14 mm Terminal diagram 1~23 V Motor/electronics Emitted interference EN 61-6-3 Interference resistance EN 61-6-2 Protection class IP 44 L N PE Blocking current-proof motor Single-phase motor (EM) 2pole 1~23 V, 5 Hz With built-in capacitor Insulation class F Mains connection 1~23 V, 5 Hz Speed range n 17-27 rpm Power consumption P 1 36-38 W Current consumption I max..18 A Motor protection Not required (blocking-current proof) Subject to change without prior notice. www.wilo.co.uk 5 Hz EU 213-2 5 / 18
Data sheet: Wilo-Star-Z 2/1 Threaded cable connection PG 1x11 Materials Pump housing Impeller Pump shaft Bearing Red brass (CC 499K) according to DIN 593-6 in accordance with Drinking Water Ordinance Plastic (PPO) Oxide ceramic, brown (Al2O3) Carbon, synthetic resin impregnated Minimum suction head at suction port for avoiding cavitation at water pumping temperature Minimum suction head at 4 / 65 / 11 C.5 / 3 / 1 m Information for order placements Make Wilo Type Star-Z 2/1 Art no. 428111 Weight approx. m 2.24 kg Subject to change without prior notice. www.wilo.co.uk 5 Hz EU 213-2 6 / 18
Data sheet: Wilo-Star-Z 25/2 EM Pump curves Single-phase current H [m] 4, 3,5 3, 2,5 2, 1,5 1,,5 8,5,5 v 1, 1, 1,5 2, 2,5 3, 3,5 [m 3 /h],25,5 2,5 5, 7,5 Q 1,5,75 1 [m/s] Wilo-Star -Z 25/2 1 ~ 23 V Rp 1 1, [l/s] 12,5 [lgpm ] Approved fluids (other fluids on request) Heating water (in accordance with VDI 235) Water-glycol mixtures (max. 1:1; above 2% admixture, the pumping data must be checked) Potable water and water for foodprocessing companies in accordance with TrinkwV 21 (drinking water ordinance) Permitted field of application temperature of +25 C temperature +4 C P 1 [W] 6 4 Temperature range for applications in secondary hot water circulation systems at maximum ambient temperature of +4 C 2 - +65 C 2,5 1, 1,5 2, 2,5 3, 3,5 Dimension drawing 11 54 13 [m 3 /h] Temperature range for applications in secondary hot water circulation systems at max. ambient temperature of +4 C in short-term operation 2 h T 7 C PG 11 76 Max. permitted total hardness in potable water circulation systems 3.21 mmol/l (18 dh) 18 Maximum permissible operating pressure P max 1 bar 9 78 Pipe connections G 1½ 93,5 34 96 Threaded pipe union Rp 1 Thread G 1½ Overall length L 18 mm Terminal diagram 1~23 V Motor/electronics Emitted interference EN 61-6-3 Interference resistance EN 61-6-2 Protection class IP 44 L N PE Blocking current-proof motor Single-phase motor (EM) 2pole 1~23 V, 5 Hz With built-in capacitor Insulation class F Mains connection 1~23 V, 5 Hz Speed range n 17-27 rpm Power consumption P 1 max. 46 W Current consumption I max..22 A Motor protection Not required (blocking-current proof) Subject to change without prior notice. www.wilo.co.uk 5 Hz EU 213-2 7 / 18
Data sheet: Wilo-Star-Z 25/2 EM Threaded cable connection PG 1x11 Materials Pump housing Impeller Pump shaft Bearing Red brass (CC 499K) according to DIN 593-6 in accordance with Drinking Water Ordinance Plastic (PPO) Oxide ceramic, brown (Al2O3) Carbon, synthetic resin impregnated Minimum suction head at suction port for avoiding cavitation at water pumping temperature Minimum suction head at 4 / 65 / 11 C.5 / 3 / 1 m Information for order placements Make Type Wilo Star-Z 25/2 EM Art no. 42962 Weight approx. m 2.44 kg Subject to change without prior notice. www.wilo.co.uk 5 Hz EU 213-2 8 / 18
Data sheet: Wilo-Star-Z 25/2 DM Pump curves Three-phase current H [m ] 4, 3,5 3, 2,5 2, 1,5 1,,5 1,5,5 v 1, 1, 1,5 2, 2,5 3, 3,5 [m 3 /h],25,5 2,5 5, 7,5 Q 1,5,75 1 [m/s] Wilo-Star -Z 25/2 3 ~ 4 V Rp 1 1, [l/s] 12,5 [lgpm ] Approved fluids (other fluids on request) Heating water (in accordance with VDI 235) Water-glycol mixtures (max. 1:1; above 2% admixture, the pumping data must be checked) Potable water and water for foodprocessing companies in accordance with TrinkwV 21 (drinking water ordinance) Permitted field of application temperature of +25 C temperature +4 C P 1 [W] 8 6 Temperature range for applications in secondary hot water circulation systems at maximum ambient temperature of +4 C 2 - +65 C 4,5 1, 1,5 2, 2,5 3, 3,5 Dimension drawing 11 54 13 [m 3 /h] Temperature range for applications in secondary hot water circulation systems at max. ambient temperature of +4 C in short-term operation 2 h T 7 C PG 11 79 Max. permitted total hardness in potable water circulation systems 3.21 mmol/l (18 dh) 18 Maximum permissible operating pressure P max 1 bar 9 78 Pipe connections G 1½ 93,5 33 96 Threaded pipe union Rp 1 Thread G 1½ Terminal diagram 3~4 V PE L1 L2 L3 Overall length L 18 mm Motor/electronics Emitted interference EN 61-6-3 Interference resistance EN 61-6-2 Protection class IP 44 Insulation class F Three-phase AC motor (DM), 2-pole- 3~4 V, 5 Hz Mains connection 3~4 V, 5 Hz Speed range n 17-27 rpm Power consumption P 1 55-72 W Current consumption I max..16 A Motor protection Not required (blocking-current proof) Subject to change without prior notice. www.wilo.co.uk 5 Hz EU 213-2 9 / 18
Data sheet: Wilo-Star-Z 25/2 DM Threaded cable connection PG 1x11 Materials Pump housing Impeller Pump shaft Bearing Red brass (CC 499K) according to DIN 593-6 in accordance with Drinking Water Ordinance Plastic (PPO) Oxide ceramic, brown (Al2O3) Carbon, synthetic resin impregnated Minimum suction head at suction port for avoiding cavitation at water pumping temperature Minimum suction head at 4 / 65 / 11 C.5 / 3 / 1 m Information for order placements Make Type Wilo Star-Z 25/2 DM Art no. 437124 Weight approx. m 2.62 kg Subject to change without prior notice. www.wilo.co.uk 5 Hz EU 213-2 1 / 18
Data sheet: Wilo-Star-Z 25/6-3 Pump curves Single-phase current P 1 [W] H [m] 6 5 4 3 2 1 1 2 3 4 [m 3 /h],25,5,75 1 1,25 [l/s] 2,5 5 7,5 1 12,5 15 Q 11 1 9 8 7 6 5 v,5 1, 1,5 2, 2,5 [m/s] min min max. Wilo-Star-Z 25/6 1 ~ 23 V - Rp 1 4 1 2 3 4 Dimension drawing 11 54 Pg 11 G 1½ max. [lgpm] [m 3 /h] Approved fluids (other fluids on request) Heating water (in accordance with VDI 235) Water-glycol mixtures (max. 1:1; above 2% admixture, the pumping data must be checked) Potable water and water for foodprocessing companies in accordance with TrinkwV 21 (drinking water ordinance) Permitted field of application temperature of +25 C temperature +4 C Temperature range for applications in secondary hot water circulation systems at maximum ambient temperature of +4 C Temperature range for applications in secondary hot water circulation systems at max. ambient temperature of +4 C in short-term operation 2 h 2 - +65 C T 7 C 9 79 Max. permitted total hardness in potable water circulation systems 3.21 mmol/l (18 dh) 18 Maximum permissible operating pressure P max 1 bar 78 Pipe connections 93,5 33 96 Threaded pipe union Rp 1 Thread G 1½ Terminal diagram 1~23 V Overall length L 18 mm Motor/electronics Emitted interference EN 61-6-3 Interference resistance EN 61-6-2 Protection class IP 44 L N PE Blocking current-proof motor Single-phase motor (EM) 2pole 1~23 V, 5 Hz With built-in capacitor Insulation class F Mains connection 1~23 V, 5 Hz Speed range n 17-27 rpm Power consumption P 1 49 / 74 / 99 W Current consumption I.22 -.43 A Motor protection Not required (blocking-current proof) Subject to change without prior notice. www.wilo.co.uk 5 Hz EU 213-2 11 / 18
Data sheet: Wilo-Star-Z 25/6-3 Threaded cable connection PG 1x11 Materials Pump housing Impeller Pump shaft Bearing Red brass (CC 499K) according to DIN 593-6 in accordance with Drinking Water Ordinance Plastic (PPO) Oxide ceramic, brown (Al2O3) Carbon, synthetic resin impregnated Minimum suction head at suction port for avoiding cavitation at water pumping temperature Minimum suction head at 4 / 65 / 11 C.5 / 3 / 1 m Information for order placements Make Wilo Type Star-Z 25/6-3 Art no. 447573 Weight approx. m 2.66 kg Subject to change without prior notice. www.wilo.co.uk 5 Hz EU 213-2 12 / 18
Data sheet: Wilo-Star-Z 2/4-3 Pump curves Single-phase current 5 4 v,5 1, 1,5 2, [m/s] Wilo-Star-Z 2 / 4 1~23 V - 5Hz Approved fluids (other fluids on request) Heating water (in accordance with VDI 235) Water-glycol mixtures (max. 1:1; above 2% admixture, the pumping data must be checked) H [m] 3 2 Potable water and water for foodprocessing companies in accordance with TrinkwV 21 (drinking water ordinance) 1 max. Permitted field of application P 1 [W] 1, 2, 3, [m 3 /h],25,5,75 1, [l/s] 8 6 4 min. Q min. max. temperature of +25 C temperature +4 C Temperature range for applications in secondary hot water circulation systems at maximum ambient temperature of +4 C -1...+11-1...+95 C. - +65 C 2 1, 2, 3, [m 3 /h] Dimension drawing 11 54 13 Temperature range for applications in secondary hot water circulation systems at max. ambient temperature of +4 C in short-term operation 2 h T 7 C PG 11 76 Max. permitted total hardness in potable water circulation systems 3.21 mmol/l (18 dh) 15 Maximum permissible operating pressure P max 1 bar 75 78 Pipe connections Threaded pipe union Rp ½ G 1¼ 93,5 32 96 Thread G 1¼ Overall length L 15 mm Terminal diagram 1~23 V Motor/electronics Emitted interference EN 61-6-3 Interference resistance EN 61-6-2 Protection class IP 44 Insulation class F L N PE Blocking current-proof motor Single-phase motor (EM) 2pole 1~23 V, 5 Hz With built-in capacitor Mains connection 1~23 V, 5 Hz Speed range n 17-26 rpm Power consumption P 1 29-71 W Current consumption I max..31 A Motor protection Not required (blocking-current proof) Subject to change without prior notice. www.wilo.co.uk 5 Hz EU 213-2 13 / 18
Data sheet: Wilo-Star-Z 2/4-3 Threaded cable connection PG 1x11 Materials Pump housing Impeller Pump shaft Bearing Red brass (CC 491K) according to DIN 593-6 in accordance with Drinking Water Ordinance) Plastic (PPO) Oxide ceramic, brown (Al2O3) Carbon, synthetic resin impregnated Minimum suction head at suction port for avoiding cavitation at water pumping temperature Minimum suction head at 4 / 65 / 11 C / 3 / 1 m Information for order placements Make Wilo Type Star-Z 2/4-3 Art no. 481193 Weight approx. m 2.36 kg Subject to change without prior notice. www.wilo.co.uk 5 Hz EU 213-2 14 / 18
Data sheet: Wilo-Star-Z 2/5-3 Pump curves Single-phase current 5 4 v,5 1, 1,5 2, 2,5 [m/s] Wilo-Star-Z 2 / 5 1~23 V - 5Hz Approved fluids (other fluids on request) Heating water (in accordance with VDI 235) Water-glycol mixtures (max. 1:1; above 2% admixture, the pumping data must be checked) H [m] 3 2 Potable water and water for foodprocessing companies in accordance with TrinkwV 21 (drinking water ordinance) 1 max. Permitted field of application P 1 [W] 1, 2, 3, 4, [m 3 /h],25,5,75 1, 1,25 [l/s] 1 8 6 4 min. 2 1, 2, 3, 4, [m 3 /h] Dimension drawing 11 54 Q min. 13 max. temperature of +25 C temperature +4 C Temperature range for applications in secondary hot water circulation systems at maximum ambient temperature of +4 C Temperature range for applications in secondary hot water circulation systems at max. ambient temperature of +4 C in short-term operation 2 h -1...+11 T 7 C -1...+95 C. - +65 C PG 11 79 Max. permitted total hardness in potable water circulation systems 3.21 mmol/l (18 dh) 15 Maximum permissible operating pressure P max 1 bar 75 78 Pipe connections Threaded pipe union Rp ½ G 1¼ 93,5 33 96 Thread G 1¼ Overall length L 15 mm Terminal diagram 1~23 V Motor/electronics Emitted interference EN 61-6-3 Interference resistance EN 61-6-2 Protection class IP 44 Insulation class F L N PE Blocking current-proof motor Single-phase motor (EM) 2pole 1~23 V, 5 Hz With built-in capacitor Mains connection 1~23 V, 5 Hz Speed range n 2-26 rpm Power consumption P 1 43-93 W Current consumption I max..4 A Motor protection Not required (blocking-current proof) Subject to change without prior notice. www.wilo.co.uk 5 Hz EU 213-2 15 / 18
Data sheet: Wilo-Star-Z 2/5-3 Threaded cable connection PG 1x11 Materials Pump housing Impeller Pump shaft Bearing Red brass (CC 491K) according to DIN 593-6 in accordance with Drinking Water Ordinance) Plastic (PPO) Oxide ceramic, brown (Al2O3) Carbon, synthetic resin impregnated Minimum suction head at suction port for avoiding cavitation at water pumping temperature Minimum suction head at 4 / 65 / 11 C / 3 / 1 m Information for order placements Make Wilo Type Star-Z 2/5-3 Art no. 481198 Weight approx. m 2.51 kg Subject to change without prior notice. www.wilo.co.uk 5 Hz EU 213-2 16 / 18
Data sheet: Wilo-Star-Z 2/7-3 Pump curves Single-phase current P 1 [W] H [m] 7 6 5 4 3 2 1 1, 2, 3, 4,,4,8 1,5 15 13 11 9 7 5 1, 2, 3, 4, 5, [m 3 /h] v,5 1, 1,5 2, 2,5 3, [m/s] Dimension drawing 11 54 min. min. Q Wilo-Star-Z 2 / 7 1~23 V - 5Hz 13 max. 5, [m 3 /h] [l/s] max. Approved fluids (other fluids on request) Heating water (in accordance with VDI 235) Water-glycol mixtures (max. 1:1; above 2% admixture, the pumping data must be checked) Potable water and water for foodprocessing companies in accordance with TrinkwV 21 (drinking water ordinance) Permitted field of application temperature of +25 C temperature +4 C Temperature range for applications in secondary hot water circulation systems at maximum ambient temperature of +4 C Temperature range for applications in secondary hot water circulation systems at max. ambient temperature of +4 C in short-term operation 2 h -1...+11 T 7 C -1...+95 C. - +65 C PG 11 79 Max. permitted total hardness in potable water circulation systems 3.21 mmol/l (18 dh) 15 Maximum permissible operating pressure P max 1 bar G 1¼ 93,5 75 3 19 91 Pipe connections Threaded pipe union Thread Rp ½ G 1¼ Overall length L 15 mm Terminal diagram 1~23 V Motor/electronics Emitted interference EN 61-6-3 Interference resistance EN 61-6-2 Protection class IP 44 L N PE Blocking current-proof motor Single-phase motor (EM) 2pole 1~23 V, 5 Hz With built-in capacitor Insulation class F Mains connection 1~23 V, 5 Hz Speed range n 2-27 rpm Power consumption P 1 52-146 W Current consumption I max..65 A Motor protection Not required (blocking-current proof) Subject to change without prior notice. www.wilo.co.uk 5 Hz EU 213-2 17 / 18
Data sheet: Wilo-Star-Z 2/7-3 Threaded cable connection PG 1x11 Materials Pump housing Impeller Pump shaft Bearing Red brass (CC 491K) according to DIN 593-6 in accordance with Drinking Water Ordinance) Plastic (PPO) Oxide ceramic, brown (Al2O3) Carbon, synthetic resin impregnated Minimum suction head at suction port for avoiding cavitation at water pumping temperature Minimum suction head at 4 / 65 / 11 C / 3 / 1 m Information for order placements Make Wilo Type Star-Z 2/7-3 Art no. 48123 Weight approx. m 2.9 kg Subject to change without prior notice. www.wilo.co.uk 5 Hz EU 213-2 18 / 18