Wilo-Stratos-Z – Drinking Water Circulation

Design
Glandless circulation pump with screwed connection or flange connection, EC motor with automatic power adjustment.

Application

Secondary hot water circulation systems of all kinds, hot-water heating systems of all kinds, air-conditioning, closed cooling circuits, industrial circulation systems

Technical data

• Permissible temperature range
  • Potable water up to 3.57 mmol/l (20 °dH): 0 °C to +80 °C
  • Heating water: ‐-10 °C to +110 °C
• Mains connection 1~230 V, 50/60 Hz
• Protection class IP X4D
• Screwed connection or flange connection (depending on type) Rp 1 to DN 65
• Max. operating pressure, standard version: 6/10 bar (special version: 16 bar)

Equipment/function

• Manual control mode (n=constant)
• Δp-c for constant differential pressure
• Δp-v for variable differential pressure
• Δp-T for temperature-controlled differential pressure (programmable via IR-Module, IR-Stick, IR-Monitor, Modbus, BACnet, LON or CAN)

• Operating mode setting
• Differential-pressure setpoint setting
• Setting automatic setback operation
• Pump ON/OFF setting
• Speed setting (manual control mode)

• Stageless power adjustment depending on the operating mode
• Automatic setback operation
• Deblocking function
• Soft start
• Full motor protection with integrated trip electronics

• “Overriding Off” control input (possible with Stratos IF-Modules)
• “Overriding Min” control input (possible with Stratos IF-Modules)
• “Analogue In 0 ‐ 10 V” control input (remote speed adjustment) (possible with Stratos IF-Modules)
• “Analogue In 0 ‐ 10 V” control input (remote setpoint adjustment) (possible with Stratos IF-Modules)

• Collective fault signal (potential-free NC contact)
• Individual run signal (potential-free NO contact) (possible with Stratos IF-Modules)
• Fault signal light
• LC display for indication of pump data and fault codes

• Infrared interface for wireless data exchange with IR-Module/IR-Stick/IR-Monitor
• Serial digital interface Modbus RTU for connection to building automation BA via BUS system RS485 (possible with IF-Modules Stratos)
• Serial digital interface BACnet MS/TP Slave for connection to building automation BA via BUS system RS485 (possible with IF-Modules Stratos)
• Serial digital interface CAN for connection to building automation BA via BUS system CAN (possible with IF-Modules Stratos)
• Serial digital LON interface for connection to a LONWorks network (possible with Stratos IF-Modules)
• Serial digital PLR interface for connection to BA via Wilo interface converter or company-specific coupling modules (possible with Stratos IF-Modules)

• 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

• Wrench attachment point on pump body (for threaded pipe union pumps with P₂≤100 W)
• In flange pumps: Flange versions
  • Standard version for pumps DN 40 to DN 65: combination flange PN 6/10 (flange PN 16 according to EN 1092-2) for counter flanges PN 6 and PN 16,
  • Special version for pumps DN 40 to DN 65: Flange PN 16 (according to EN 1092-2) for counter flange PN 16,
• Plug-in position for optional extension with Wilo-IF‐Modules
• Thermal insulation as standard

Materials

• Pump housing made of red brass (30/1‐12 and 40/1‐8 types, also grey cast iron)
• Impeller: Plastic
• Shaft: stainless steel
• Bearing: Carbon, synthetic resin impregnated

Scope of delivery

• Pump
• Including thermal insulation
• Including seals for threaded connection (loose)
• Including washers for flange screws (for nominal connection diameters DN 40 ‐ DN 65)
• Including installation and operating instructions

Options

• Special versions for operating pressure PN 16 (at additional charge)

Accessories

• Screwed connection for threaded connection
• Adapter fittings
• IR-Module
• IR-Stick
• IR-Monitor
• Stratos IF-Modules: Modbus, BACnet, CAN, PLR, LON, DP, Ext. Off, Ext. Min., SBM, Ext.Off/SBM

.EBARA               GRUNDFOS              KSB              WILO