Description

Solar circulator Pump Wilo Varios Pico STG 15/1-7

High-efficiency pump Wilo-Varios PICO-STG, electronically controlled. Maintenance-free glandless circulator with screwed connection, blocking-current proof synchronous motor according to ECM technology and built-in electronic power control for variable differential pressure control.

Can be used for all heating and air-conditioning applications, as well as for solar and geothermal systems.

Standard-equipped with:

• Preselectable control modes for optimum load adjustment:
  • Differential pressure constant (Δp-c), 3 pre-defined pump curves
  • Differential pressure variable (Δp-v), 3 pre-defined pump curves
  • Constant speed (3 speed stages)
  • External control by iPWM GT (Heating/Geothermal) or iPWM ST (Solar) signal
• Sync function (manual programming mode) for reprogramming the pump in the event of replacement
• Manual pump venting function for venting the rotor chamber
• Manual restart
• LED display
  • Display of selected control mode und pump curve
  • Status display during venting and manual restart
  • LED coding during the sync function
  • Operation and fault display
• Integrated motor protection
• Automatic deblocking function
• Electrical connection cable with 3-pole plug connection and Wilo-Connector
• PWM connection
• Cataphoretically-coated pump housing.

Operating Data
Fluid temperature T -10 °C
Ambient temperature T -10 °C
Maximum operating pressure PN 10 bar
Minimum suction head at 50°C m 0.5 m
Minimum suction head at 95°C m 3 m
Minimum suction head at 110°C 10 m

Motor data
Energy efficiency index (EEI) 0.20
Interference emission EN 61000-6-3
Interference immunity EN 61000-6-2
Mains connection 1~230 V, 50/60 Hz
Power consumption P1 max 50 W
Min. speed nmin 2340 1/min
Max. speed nmax 4366 1/min
Protection class motor IPX4D
Threaded cable connection 1 x PG11

Materials
Pump housing Grey cast iron
Impeller PP-GF40
Shaft Stainless steel
Bearing Carbon, metal-impregnated

Installation dimensions
Pipe connection on the suction side DNs G 1
Pipe connection on the discharge side DNd G 1
Port-to-port length L0 130 mm
Net weight, approx. m 1.6 kg