Domestic (sanitary) hot water circulation High-efficiency pumps (single pumps) Series overview Wilo-Stratos-Z Special features/product benefits Design • Maximum efficiency with ECM technology • Up to 80% energy savings compared to standard uncontrolled pumps • Ease of installation with front access to wiring and programming "Red Self regulating, Inline, ECM (Electronically Communicated) type Application Secondary hot water circulation systems of all kinds, hot-water heating systems of all kinds, air-conditioning, closed cooling circuits, industrial circulation systems 1.5 3 x 40 fied • External control and monitoring via optional IR interface modules (LONworks, BACnet, 0-10 Vdc, Ext Off, Ext Min and SBM Run Signal) Model Numbers Example: Stratos Z Button", position adjustable LCD viewing screen • Lead free construction, Stainless Steel volute, NSF 61 Annex G certi- • Remote control and access to data logger via IF infra-red device • Built in overload fault contacts (opens on over/under voltage, dry run, Wilo-Stratos-Z 1.5 - 3 x 40 High-efficiency pump, electronically controlled NSF 61 Annex G certified pump for Domestic and Sanitary Hot Water Flange size [in] Min/max discharge head [ft] locked rotor, overload and over temperature) Duty chart 10 15 20 25 30 35 40 Q[m ³ /h] Wilo-Stratos-Z H[m] 5 H[ft] 0 60 Hz 40 1.5 x3 12 -4 0 10 30 8 1. 5x 25 x3 35 5 1.2 x3 5 1.2 20 10 -30 -3 3- 25 6 3x3 2x3 0 4 2 0 0 20 40 As at: 02/2012 - Subject to change without prior notice 60 80 100 120 140 160 180 Q[US gpm] 0 1 Domestic (sanitary) hot water circulation High-efficiency pumps (single pumps) Series overview Wilo-Stratos-Z Equipment/function Operating modes • Manual control mode (constant speed) • Δp-c for constant differential pressure • Δp-v for variable differential pressure • Δp-T for temperature-controlled differential pressure (programmable via Infra-red device, LON or BacNet) Manual functions • Operating mode setting • Differential-pressure setpoint setting • Setting automatic setback operation • Pump ON/OFF setting • Speed setting (manual control mode) Scope of delivery • Pump • Flange gaskets • Operating instructions Accessories • IR-Module • IR-Stick • IF-Modules Stratos: BACnet, LONworks, Ext. Off, Ext. Min, SBM, Ext. Off/SBM Automatic functions • Stageless power adjustment depending on the operating mode • Automatic setback operation • Deblocking function • Soft start • Full motor protection with integrated overload shut down External control functions • "External Off" control input (possible with optional Stratos IF-Modules) • "External Min" control input (possible with optional Stratos IF-Modules) • "Analogue In 0 - 10 V" control input (remote speed adjustment) (possible with optional Stratos IF-Modules) • "Analogue In 0 - 10 V" control input (remote setpoint adjustment) (possible with optional Stratos IF-Modules) Signal and display functions • Collective fault signal (potential-free NC contact) • Individual run signal (potential-free NO contact) (possible with optional Stratos IF-Modules) • Fault signal light • LC display for pump data and fault codes Data exchange • Infrared interface for wireless data exchange with IR-Module/IR-Stick • Serial digital interface BACnet MS/TP Slave for connection to building automation BA via BUS system RS485 (possible with IF-Modules Stratos). • Serial digital LON interface for connection to a LONWorks network (possible with Stratos IF-Modules) Dual pump management (dual pump or 2 x single pump) • Main/standby mode (automatic fault-actuated switchover/time-dependent pump cycling): Various combinations with Stratos IF-Modules (accessories) possible • Parallel operation (efficiency-optimised peak load activation and deactivation): Various combinations with Stratos IF-Modules (accessories) possible 2 Wilo-Stratos-Z Domestic (sanitary) hot water circulation High-efficiency pumps (single pumps) Equipment/function Wilo-Stratos-Z Operating modes Manual control mode (constant speed) >p-c for constant differential pressure >p-v for variable differential pressure >p-T for temperature-controlled differential pressure • • • • Manual functions Operating mode setting Differential-pressure setpoint setting Setting automatic setback operation Pump ON/OFF setting Speed setting (manual control mode) • • • • • Automatic functions Infinitely variable power adjustment depending on the operating mode Automatic setback operation Deblocking function Soft start Integrated overload protection • • • • • External control functions "Analogue In 0 ... 10 V" control input (remote speed adjustment) • (Possible with optional Interface Module) "Analogue In 0 ... 10 V" control input (remote adjust- • (Possible with optional Interface Module) ment setpoint) Signal and display functions Collective fault signal (potential-free NC contact) Fault signal light LCD screen for the display of pump data and fault codes • • • Data exchange Infra-red remote control for wireless data exchange and/or pump adjustment via USB stick or PDA type IR device • Serial digital LON interface for connection to a LON- • (Possible with optional Interface Module) WORKS network Serial digital BACnet S/TP interface for connection to • (Possible with optional Interface Module) an RS485 bus system Dual pump management (dual pump or 2 x single pump) Main/standby mode (automatic fault-actuated switchover/time-dependent pump cycling) • Parallel operation (efficiency-optimised peak load cut-in and out) • Equipment/scope of delivery Flange gasket • Installation and operating instructions • (not for 125# ANSI Flange model) • = available, - = not available As at: 02/2012 - Subject to change without prior notice 3 Domestic (sanitary) hot water circulation High-efficiency pumps (single pumps) Technical data Wilo-Stratos-Z Wilo-Stratos-Z... 1.25x3-25 1.25x3-35 1.5x3-25 1.5x3-40 2x3-30 3x3-30 • • • • • • • • • • • • Max. head Hmax 23 ft 36 ft 26 ft 39 ft 30 ft 33 ft Max. head Hmax 7m 11 m 8m 12 m 9m 10 m Max. flow Qmax 35 US GPM 48 US GPM 66 US GPM 83 US GPM 105 US GPM 3 3 3 Approved fluids (other fluids on request) Heating water Water glycol mixtures up to 50% concentration Power Max. flow Qmax 3 8 m /h 11 m /h 15 m /h 19 m /h 3 180 US GPM 24 m /h 41 m3/h Permitted field of application Temperature range for applications in heating, ventilation & air-conditioning systems at max. ambient temperature of +40 °C +14 to +230 °F (-10 to +110 °C) Temperature range for applications in secondary hot water circulation systems at max. ambient temperature of +40 °C +32 to +176 °F (0 to +80 °C) Max. ambient temperature T 104 °F Max. ambient temperature T 40 °C Max. permitted total hardness in potable water circulation systems 3.57 mmol/l Pipe connections Nominal flange diameter Dia 1.25 " 1.25 " 1.5 " 1.5 " 2" 3" Non ANSI flange (oval, rotated 90°) • • • • – – Non ANSI flange (oval) – – – – – – HV pump flange – – – – • – 125# ANSI flange – – – – – • Input power - single phase U 230 V 230 V 230 V 230 V 230 V 230 V Input frequency f 60 Hz 60 Hz 60 Hz 60 Hz 60 Hz 60 Hz H H Electrical connection Motor/electronics Speed control Frequency converter Degree of protection Insulation class Enclosure 2 H H H H Materials Pump volute Stainless steel (AISI CF-8M) Impeller Engineered composite (PPE - 30% GF) Engineered composite (PPS - 40% GF) Pump shaft Stainless steel (X39CrMo17-1) Bearing Carbon, synthetic resin impregnated Minimum suction head Minimum suction head at 122 °F (50°C) 4.3 psi 4.3 psi 4.3 psi 7.1 psi 7.1 psi 10.0 psi Minimum suction head at 203 °F (95°C) 14.2 psi 14.2 psi 14.2 psi 17.1 psi 17.1 psi 21.3 psi Minimum suction head at 230 °F (110°C) 22.8 psi 22.8 psi 22.8 psi 25.6 psi 25.6 psi 32.7 psi • = available, - = not available 4 Wilo-Stratos-Z Domestic (sanitary) hot water circulation High-efficiency pumps (single pumps) Pump curves Wilo-Stratos-Z Wilo-Stratos-Z 1.25x3-25 Δp-c (constant) 0 1 Δp-v (variable) 2 3 4 5 H[ft] 6 7 Q [m³/h] 8 Wilo-Stratos-Z 1.25x3-25 1 ~/ 60 Hz 25 0 H[m] 6 15 2 3 4 5 6 7 Q [m³/h] 8 Wilo-Stratos-Z 1.25x3-25 1 ~/ 60 Hz 25 H[m] -v ∆p -c Δp 20 8 1 H[ft] 20 8 6 15 4 10 4 10 m . ax m ax 2 5 . 2 5 min m in . . 0 0 4 8 0 0 12 0,4 16 0,8 1 2 20 24 1,2 3 4 28 32 1,6 5 Q [USg.p.m.] 2,0 6 7 P 1[hp] 0 Q [m³/h] 0 P1[kW] 0.12 m m m m 7m11/ 16'/6 7/ 16'/5 1 / 8 '/4 13 / 16'/3 9 / 16'/2m 6'/ 15 / 1 6 16 13 9 19 22 12 8 0.10 0.08 0.06 '/1m 31/ 4 4 0.04 min. 0 0 4 8 12 16 20 0.02 24 28 32 0 0 2,4 Q [l/s] 8 max. 16 0 Q [USg.p.m.] 0 4 8 12 0.4 16 0.8 1 2 20 24 1.2 3 4 28 32 1.6 5 Q [USg.p.m.] 2.0 6 P 1[hp] Q [l/s] 2.4 7 8 0 Q [m³/h] P1[kW] max. 0.12 16 m m m m m m '/7 16'/6 7/ 16'/5 1 / 8'/4 3 / 16'/3 9 / 16'/2 16 1 11 / 15 / 6 9 13 16 22 19 12 8 0.10 0.08 0.06 0.04 4 min. 0 0 4 8 12 16 0.02 20 24 28 32 Q [USg.p.m.] 10 Q [m³/h] 0 Wilo-Stratos-Z 1.25x3-35 Δp-c (constant) 0 Δp-v (variable) 2 4 6 H[ft] 8 10 Q [m³/h] H[m] 14 Wilo-Stratos-Z 1.25x3-35 1 ~/ 60 Hz 40 12 Δp -c 0 H[ft] 2 4 6 H[m] Wilo-Stratos-Z 1.25x3-25 1 ~/ 60 Hz 14 40 12 Δp - 10 30 8 10 v 30 8 20 6 8 20 6 . . 4 10 m in 0 0 10 0 0.5 0 P 1[hp] 2 0.4 20 1.0 30 1.5 4 2.0 6 Q [USg.p.m.] 40 2.5 8 3.0 10 0.5 2 P1[kW] 0.30 0.25 0.20 0.15 0.10 0.05 1/ 4 0 30 40 As at: 02/2012 - Subject to change without prior notice 10 0 min. 3 '/1m 10 20 0 0 max. 0.1 0 Q [l/s] 7/ 8 0.2 0 Q [USg.p.m.] 0 2 . Q [m³/h] m m m '/11 91/ 2'/9 15 /16'/7m 7/ 16'/5 2 16 36 22 3m 3 16'/ 91 / 0.3 m in 2 . 0 ax m ax m 4 10 20 30 1.0 1.5 4 2.0 6 Q [USg.p.m.] 40 2.5 8 3.0 Q [l/s] Q [m³/h] 10 P 1[hp] max. 0.4 0.3 0m m m m '/1 1 / 2'/9 1 / 4'/85 /16'/71 16'/6m6'/5m '/4m / 71 1 8 29 26 221 191 16 / 13 / 32 0.30 0.20 0.2 0.15 0.1 0 P1[kW] 0.25 6 13 / 1 0 0.10 min. 0 10 20 0.05 30 40 Q [USg.p.m.] 0 5 Domestic (sanitary) hot water circulation High-efficiency pumps (single pumps) Pump curves Wilo-Stratos-Z Wilo-Stratos-Z 1.5x3-25 Δp-c (constant) 0 Δp-v (variable) 4 8 12 H[ft] 25 0 Q [m³/h] Wilo-Stratos-Z 1.5x3-25 1 ~/ 60 Hz H[m] 8 Δp 4 8 12 H[ft] Q [m³/h] Wilo-Stratos-Z 1.5x3-25 1 ~/ 60 Hz 25 8 Δp -c -v 20 6 15 20 6 15 4 . . ax m ax m 4 10 10 5 0 H[m] 2 m in . 0 10 20 0 30 1 0 40 50 2 3 4 4 8 12 P 1[hp] 1/ 4 26 0.3 '/8m '/6m 11/ 16 19 0.2 1/ 8 13 0 30 0 P 1[hp] P1[kW] 0.30 0.25 '/4m 0.20 0.15 0.10 0.05 40 50 Q [USg.p.m.] 60 0 0 min. 31/ 4 '/1m 10 20 0 . Q [l/s] ' 2m 69/ 16 / 0.1 0 m in Q [m³/h] max. 0.4 0 Q [USg.p.m.] 60 2 5 0 10 20 30 1 40 50 2 Q [USg.p.m.] 60 3 4 4 8 P1[kW] max. 0.30 0.25 m m '/7m1 / 16'/6m7/ 16'/5 1 / 8 '/4 3 / 16'/3m 1 1 16 13 9 19 6 15 / 1 22 0.2 0.20 0.15 0.10 0.1 0 Q [l/s] Q [m³/h] 12 0.4 0.3 0 0.05 min. 0 10 20 30 40 50 Q [USg.p.m.] 60 0 Wilo-Stratos-Z 1.5x3-40 Δp-c (constant) 0 Δp-v (variable) 4 8 12 H[ft] Q [m³/h] 16 Wilo-Stratos-Z 1.5x3-40 1 ~/ 60 Hz 40 Δp -c 0 H[m] 14 H[ft] 12 40 4 8 12 Q [m³/h] 16 H[m] 14 Wilo-Stratos-Z 1.5x3-40 1 ~/ 60 Hz 12 Δp -v 10 10 30 30 8 ma 20 6 x. 8 ma x. 20 6 4 0 0 P 1[hp] 0.6 0.5 0.4 2 20 1 40 2 4 3 8 5 16 1/ 4 26 '/8m 1/ 8 13 31/ 4 '/1m 0 20 0 P 1[kW ] '/6m 0.4 '/4m 0.3 0.4 0.2 0.3 0.1 min. 40 60 0 0 P 1[hp] 0.6 ' 2m 69/ 16 / 0.1 0 Q [l/s] 11/ 16 19 0 . Q [m³/h] max. 2m 3 '/1 10m 13/ 16'/ 39 / 8 32 0.2 6 4 12 0.3 0 80 Q [USg.p.m.] 60 80Q [USg.p.m.] 0 2 m in 20 1 80Q [USg.p.m.] 60 2 4 3 8 4 12 5 16 ' 3 /8 0m 39 0.2 '/1 6 13 / 1 32 1 4 / 26 m '/8 '/6m 6 11 / 1 19 1/8 13 Q [l/s] m '/4 0 20 P 1[kW ] 0.4 0.3 0.2 0.1 min. 0.1 0 Q [m³/h] max. 0.5 0 40 2m 0 0 4 10 min. /1 10 40 60 80 Q [USg.p.m.] 0 Wilo-Stratos-Z Domestic (sanitary) hot water circulation High-efficiency pumps (single pumps) Pump curves Wilo-Stratos-Z Wilo-Stratos-Z 2x3-30 Δp-c (constant) 0 Δp-v (variable) 5 10 15 H[ft] 20 30 H[m] 10 5 10 -c 8 20 6 15 H[ft] 30 Δp 25 0 Q [m³/h] 25 Wilo-Stratos-Z 2x3-30 1 ~/ 60 Hz 20 25 Q [m³/h] H[m] 10 Wilo-Stratos-Z 2x3-30 1 ~/ 60 Hz Δp -v 8 25 20 6 m ax . 15 15 . ax 10 10 2 m in 5 . 0 0 20 40 0 60 80 100 4 5 10 Q [USg.p.m.] 20 25 0.4 1/ 2 29 6 '/9m 2 '/8m '/6m 11/ 16 19 20 40 60 P1[kW] 0.5 0.4 '/4m 0.3 0.2 0.1 80 Q [USg.p.m.] 100 0 0 min. 0 0 0 '/2m 69/ 16 0.2 0 1/ 8 13 0 8 Q [l/s] max. 1/ 4 m in Q [m³/h] 6 15 P 1[hp] 0.6 2 5 . 2 0 4 m 4 0 20 40 60 2 5 80 100 4 10 Q [USg.p.m.] 8 Q [l/s] 6 15 20 25 Q [m³/h] P1[kW] P 1[hp] 0.5 max. 0.6 0.4 m m m m m m m '/9 1 / 4'/8 15 / 16'/7 11 / 16'/6 7/ 16'/5 1 / 8 '/413 / 16'/3 16 13 9 29 26 22 19 0.4 0.3 1/2 0.2 0.2 0 0 0.1 min. 0 20 40 60 80 100 Q [USg.p.m.] 0 Wilo-Stratos-Z 3x3-30 Δp-c (constant) 0 Δp-v (variable) 10 20 30 H[ft] Q [m³/h] Wilo-Stratos-Z 3x3-30 1 ~/ 60 Hz 35 0 H[m] 10 30 -c 8 20 6 ma x. 15 4 10 20 30 Q [m³/h] Wilo-Stratos-Z 3x3-30 1 ~/ 60 Hz Δp H[m] 10 -v 8 25 20 6 ma x. 15 4 10 80 2 4 0 6 10 160 Q [USg.p.m.] 120 8 20 P 1[hp] m 0.8 3213/ 16'/10 1 26 / 4 '/8m 0.6 '/6m 11/ 16 19 1/ 8 13 0 0 0.2 0 31/ 4 '/1m 40 80 120 As at: 02/2012 - Subject to change without prior notice P 1[kW ] 0.8 0.6 '/4m 0.4 '/2m 69/ 16 min. 0.4 0 Q [l/s] max. 1.0 0 Q [m³/h] 10 30 0 0.2 160 Q [USg.p.m.] 0 40 2 2 . 80 160Q [USg.p.m.] 120 4 6 10 8 20 10 30 P 1[hp] 1.0 0.8 0.6 / m '/8 1/4 26 m '/6 6 11 / 1 19 1/ 8 13 Q [l/s] m '/4 0 0 80 0.6 0.2 min. 40 P 1[kW ] 0.8 0.4 0.4 0.2 0 Q [m³/h] max. 0m 0 40 '/1 0 0 m in 5 13 16 . 32 2 m in 5 0 35 30 Δp 25 10 H[ft] 120 160 Q [USg.p.m.] 0 7 Domestic (sanitary) hot water circulation High-efficiency pumps (single pumps) Terminal diagram, motor data Wilo-Stratos-Z Terminal diagram FC: Collective fault signal (NC contact rating 1 A, 250 V~) 230 V PE FC 1~230 V / 60 Hz FC L1 L3 L2 L3 L1 L2 PE 3~ 230 V / 60 Hz Motor data Wilo-Stratos-Z... 8 Rated motor power Speed Power consumption 1~230 V Current at 1~230V Current at 3~230V Thermal protection Threaded cable connection P2 n P1 I – – hp rpm W A 1.25x3-25 0.134 1400 - 3700 9 - 130 0.13 - 1.20 0.13 - 1.20 integrated 1xNPT 1/4" 1xNPT 1/2" 1.25x3-35 0.268 1600 - 4800 16 - 310 0.16 - 1.37 0.16 - 1.37 integrated 1xNPT 1/4" 1xNPT 1/2" 1.5x3-25 0.268 1800 - 4800 18 - 310 0.17 - 1.37 0.17 - 1.37 integrated 1xNPT 1/4" 1xNPT 1/2" 1.5x3-40 0.469 1400 - 4600 25 - 470 0.20 - 2.05 0.20 - 2.05 integrated 1xNPT 1/4" 1xNPT 1/2" 2x3-30 0.469 1400 - 4100 25 - 430 0.20 - 1.88 0.20 - 1.88 integrated 1xNPT 1/4" 1xNPT 1/2" 3x3-30 0.872 950 - 3300 38 - 800 0.30 - 3.50 0.30 - 3.50 integrated 1xNPT 1/4" 1xNPT 1/2" – Wilo-Stratos-Z Domestic (sanitary) hot water circulation High-efficiency pumps (single pumps) Dimensions, weights Wilo-Stratos-Z Dimension drawing 3 b1 b4 a1 a1 b5 b4 Dimension drawing flange 1 a2 b2 b1 b5 l2 l2 a2 b2 l0 l1 blind plug NPT ¼" NPT ½" l0 blind plug NPT ¼" NPT ½" l1 Dimension drawing 1 Dimension drawing flange 2 ØD Øk nxdL Ød Øk ØD Dia Ød Dia nxdL Dimensions, weights Wilo-Stratos-Z... Nominal flange diameter Overall length Dia 1.25x3-25 Dimensions l0 l1 l2 a1 a2 In. – In. mm In. mm In. mm In. mm In. mm 1.25 32 61/2 165 31/4 82.5 115/16 49 73/16 182 13/4 45 216 41/ 4 108 23/ 16 55 715/ 201 21/ 16 52 216 41/4 108 23/16 55 8 203 21/16 53 254 5 127 25/8 66 915/16 252 21/2 64 139.5 25/ 66 101/ 256 21/ 63 178 31/16 78 1213/16 325 37/16 1.25x3-35 1.25 32 1.5x3-25 1.5 40 81/2 81/2 1.5x3-40 1.5 40 10 2x3-30 2 50 11 279 51/ 3x3-30 3 80 14 356 7 As at: 02/2012 - Subject to change without prior notice 2 8 16 16 2 87 9 Domestic (sanitary) hot water circulation High-efficiency pumps (single pumps) Dimensions, weights Wilo-Stratos-Z Dimensions, weights Wilo-Stratos-Z... Dimensions b1 b2 Weight approx. b4 b5 Dimension drawing m – In. mm In. mm In. mm In. mm lbs kg – 1.25x3-25 21/8 54 17/8 48 31/2 89 59/16 142 9.92 4.5 1 1.25x3-35 23/ 8 61 23/ 16 55 43/ 16 106 53/ 4 146 13.23 6.0 1 1.5x3-25 25/8 66 23/16 55 43/16 106 53/4 146 20.94 9.5 1 1.5x3-40 27/8 73 21/2 64 43/4 120 67/16 163 28.66 13.0 1 2x3-30 31/4 82 21/2 64 43/4 120 67/16 163 30.86 14.0 3 3x3-30 41/ 103 35/ 84 61/ 156 71/2 191 59.52 27.0 3 16 16 8 Flange dimensions Wilo-Stratos-Z... Flange Nominal flange diameter – Dia Ød Øk Dimension drawing, flange n x Ø dL – – In. – In. mm In. mm In. mm pcs. x In. pcs. x mm – 1.25x3-25 Non ANSI (oval 90° rotated) 1.25 32 43/4 121 27/8 73 31/2 89 2 x 9/16 2 x 14 1 1.25x3-35 Non ANSI (oval 90° rotated) 1.25 32 43/4 121 27/8 73 31/2 89 2 x 9/16 2 x 14 1 40 43/ 121 73 31/ 2 89 2 x 14 1 73 31/ 2 89 2 x 14 1 87 4 102 2 x 9/16 2 x 9/16 4 x 9/16 4 x 14 2 128 6 152 4 x 3/4 4 x 19 2 1.5x3-40 Non ANSI (oval) 40 43/ 4 121 2x3-30 Non ANSI (round) 2 50 51/4 133 27/8 27/8 37/16 3x3-30 ANSI R.F Class 125 ASTMA 126 80 79/16 192 51/16 1.5x3-25 10 Pump flange dimensions Non ANSI (oval) 1.5 1.5 3 4 Wilo-Stratos-Z
© Copyright 2026 Paperzz