Wilo-Stratos-ZD
Series description
Your advantages
- Energy savings due to greater system efficiency with the Q-Limit function (volume flow limiter)
- Enhanced display for better readability and ease of operation
- Space-saving installation thanks to compact design and variable-orientation LC display
- Modular concept for connection of all conventional bus systems (e.g. Modbus, BACnet, CAN, LON and PLR)
- Dual pump management via retrofittable IF-Modules:
- Tried-and-tested quality and reliability
Construction
Twin-head glandless pump with flange connection, EC motor and automatic power adjustment
Application
Domestic hot water circulation systems of all kinds, hot-water heating systems of all kinds, air-conditioning, closed cooling circuits, industrial circulation systems
Equipment/function
Operating modes
- Constant speed (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, Wilo-IR-Stick, IR-Monitor, Modbus, BACnet, LON or CAN)
- Q limit for limiting the maximum volume flow (setting only via IR-stick)
Manual functions
- Setting the operating mode
- Differential pressure setpoint setting
- Setting automatic setback operation
- Setting the pump ON/OFF
- Setting the speed (manual control mode)
Automatic functions
- Continuous power adjustment according to the operating mode
- Automatic setback operation
- Deblocking function
- Soft start
- Full motor protection with integrated trip electronics
External control functions
- "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)
Signal and display functions
- Individual / collective fault signal (potential-free NC contact) (programmable with the IR-Monitor)
- Collective fault signal (potential-free NC contact)
- Individual run signal (potential-free NO contact) (possible with Stratos IF-Modules)
- Fault signal light
- LCD display for indication of pump data and error codes
Data exchange
- Infrared interface for wireless data exchange with IR-Module/Wilo-IR-Stick/IR-Monitor
- Modbus RTU serial digital interface for connection to building automation BA via RS485 BUS system (possible with Stratos IF-Modules)
- BACnet serial digital interface MS/TP slave for connection to building automation BA via RS485 BUS system (possible with Stratos IF-Modules)
- CAN serial digital interface for connection to building automation BA via IF-Modules BUS system (possible with Stratos IF-Modules)
- LON serial digital interface for connection to a LONWorks network (possible with Stratos IF-Modules)
- PLR serial digital interface for connection to BA via Wilo interface converter or company-specific coupling modules (possible with Stratos IF-Modules)
Dual pump management (twin-head pump or 2 x single pumps)
- Main/standby operation (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
Equipment
- Flange versions:
- Standard version for DN 32/DN 40 pumps: PN 6/10 combination flange (PN 16 flange according to EN 1092-2) for PN 6 and PN 16 counter flanges,
- Special version for pumps DN 32 / DN 40: PN 16 flange (according to EN 1092-2) for PN 16 counter flange,
- Double switchover valve in pump housing
- Plug-in position for optional extension with Wilo-IF-Modules
Scope of delivery
- Pump
- Washers for flange screws (with nominal connection diameter DN 32 / DN 40)
- Installation and operating instructions
Type key
Example: | Wilo-Stratos-ZD 40/1-8 |
Stratos | High-efficiency pump (flange-end pump), electronically controlled |
ZD | Twin-head pump for domestic hot water circulation |
40/ | Nominal connection diameter |
1-8 | Nominal delivery head range [m] |
Technical data
- Permissible temperature range
- Drinking 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, 3~230 V, 50/60 Hz
- Protection class IPX4D
- DN 32 to DN 40 flange connection
- Max. operating pressure, standard version: 6/10 bar (special version: 16 bar)
Materials
- Pump housing: Cast iron
- Thermal insulation: polypropylene
- Shaft: Stainless steel
- Bearing: Carbon, synthetic resin-impregnated
- Impeller: Plastic
Description/construction
- Twin-head glandless pump with ECM technology and integrated automatic power adjustment
- Green Button technology and graphic display
- Motor protection with trip electronics
- Plug connection for functional extension with optional IF-Modules for building automation (BA)
- Impeller with three-dimensionally curved blades and plastic sealing tube made of carbon fibre composite material
