ECO-Z

Design

Glandless circulating pump with screwed connection and automatic power adjustment

Application

Potable water circulation systems in the industry and building services.
Ce circulateur convient seulement pour l'eau potable.

Type key
Example	Wilo-Stratos ECO-Z 25/1-5
Stratos ECO	High-efficiency pump (screw-end pump), electronically controlled
-Z	Secondary hot water circulation
25/	Nominal connection diameter
1-5	Nominal delivery head range [m]

Special Features/Product Advantages

• Corrosion-resistant pump housing made of red brass for systems where oxygen entry is possible
• Optimum handling due to front operation, variable installation positions
• Automatic setback operation
• Automatic adjustment of the pump output in secondary hot water circulation systems with variable volume flow
• Very high starting torque for reliable starting
• All plastic parts that come into contact with the fluid fulfil KTW recommendations
• Min. electrical power consumption: only 5,8 W

Technical data

• Fluid temperature up to 3.57 mmol/l (20 °dH):
  • +15 °C to +65 °C
  • in short-term operation (2 hours): +15 °C ila +70 °C
• Mains connection 1~230 V, 50 Hz
• Protection class IP 44
• Threaded connection Rp 1
• Max. operating pressure 10 bar

Equipment/Function


Operating modes

• Manual control mode (n=constant) (only Stratos ECO-Z...-BMS)
• Δp-c for constant differential pressure(only Stratos ECO-Z...-BMS)
• Δp-v for variable differential pressure

Manual Functions

• Operating mode setting (only Stratos ECO-Z...-BMS)
• Differential-pressure setpoint setting
• Setting automatic setback operation
• Pump ON/OFF setting (only Stratos ECO-Z...-BMS)
• peed setting (manual control mode) (only Stratos ECO-Z...-BMS)

Automatic Functions

• Stageless power adjustment depending on the operating mode
• Automatic setback operation
• Deblocking function
• Soft start
• Safety control

External Control Functions

• "Overriding Off" control input (only Stratos ECO-Z...-BMS)
• "Analogue In 0 - 10 V" control input (remote speed adjustment)(only Stratos ECO-Z...-BMS)
• "Analogue In 0 - 10 V" control input (remote setpoint adjustment)(only Stratos ECO-Z...-BMS)

Signal and Display Functions

• Collective fault signal (potential-free NC contact) (only Stratos ECO-Z...-BMS)
• Fault signal light (only Stratos ECO-Z...-BMS)

Equipment

• Wrench attachment point on pump body
• Cable lead-in possible on both sides
• Quick connection with spring clips
• Blocking current-proof motor
• Thermal insulation as standard

Materials

• Pump housing: Red brass (CC 499K) according to DIN EN 1982 and according to TrinkwV 2001 (drinking water ordinance)
• Impeller: Polypropylene
• Shaft: Stainless steel
• Bearing: Carbon, synthetic resin impregnated

Scope of delivery

• Pump
• Thermal insulation
• Seals
• Installation and operating instructions

Accessories

• Screwed connections
• Adapter fittings