WILO VARIOS PICO-STG 25/1-8-130 HIGH EFFICIENCY ELECTRONIC CIRCULATOR G 1 1/2 130 MM INSTALLATION LENGTH FOR BOILER

WILO VARIOS PICO-STG 25/1-8-130 CODE 4232744 IS A HIGH EFFICIENCY WET-ROTOR ELECTRONIC CIRCULATOR WITH INTEGRATED ELECTRONIC POWER CONTROL, DESIGNED FOR HEATING, AIR CONDITIONING, GEOTHERMAL AND SOLAR ENERGY SYSTEMS. THE SELF-PROTECTED ECM SYNCHRONOUS MOTOR ENSURES LOW ENERGY CONSUMPTION, RELIABLE OPERATION AND LONG SERVICE LIFE.

HYDRAULIC DATA
maximum operating pressure pn 10 bar
maximum head h max 8.4 m
maximum flow rate q max 4.5 m³/h
minimum liquid temperature -20 °c
maximum liquid temperature 110 °c
minimum ambient temperature -10 °c
maximum ambient temperature 40 °c

MOTOR DATA
energy efficiency index iee = 0.23
power supply 1~230 v ±10% 50/60 hz
rated power p2 55 w
minimum power consumption p1 min 1 w
maximum power consumption p1 max 75 w
minimum speed 2695 rpm
maximum speed 4686 rpm
insulation class f
protection rating ipx4d
cable gland 1 x pg11
electromagnetic compatibility en 61000-6-3 / en 61000-6-2 / en 61800-3

MATERIALS
grey cast iron pump body
pp-gf40 impeller
stainless steel shaft
metal-impregnated carbon bearing

FUNCTIONS AND CONTROL
preselectable control modes for load adaptation
constant differential pressure ?p-c with 3 predefined characteristic curves
variable differential pressure ?p-v with 3 predefined characteristic curves
constant speed with 3 speed levels
external control with ipwm gt signal for heating and geothermal systems or ipwm st for solar systems
sync function for restoring factory settings
manual rotor chamber venting function
manual restart
led indicator for status, operation and diagnostics
integrated motor protection
automatic unblocking function

INSTALLATION DIMENSIONS
suction side connection g 1 1/2
delivery side connection g 1 1/2
installation length l0 130 mm

APPLICATIONS
ideal circulator for residential heating and air conditioning systems, solar energy systems and geothermal installations. suitable for replacing traditional circulators thanks to high energy efficiency and electronic modulating control, ensuring comfort and reduced energy consumption.