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18
WILO SE 11/2015
5 Product Information
5.1 Type key
5.3 Scope of delivery
• Complete circulation pump
• Installation and operating instructions
5.4 Accessories
Accessories must be ordered separately. For a detailed list and
description, see the catalogue.
The following accessories are available:
Example:
Yonos PARA RSTG 25/7.5
Yonos PARA
High Efficiency pump
RSTG
for Heating / Solar and Geothermal applications
25
Threaded connection:
15 (Rp ½), 20 (Rp ¾), 25 (Rp 1), 30 (Rp 1¼)
/7.5
Maximum delivery head in [m] at Q = 0 m
3
/h
5.2
Technical data
Approved fluids
(other fluids on request)
Heating water (in accordance with VDI 2035)
Water-glycol mixtures (max. 1:1; above 20% admix-
ture, the pumping data must be checked)
Power
Max. delivery head (Hmax)
7.5 m
Max. volume flow (Qmax)
4.0 m
3
/h
Permitted field of application
Fluid temperature
-20 °C to +110 °C
Temperature range at max. ambient
temperature. See nameplate for “TF”
indication
Ambient 55 °C = TF 0 to 110 °C
of 62 °C = 0 to 90 °C
of 66 °C = 0 to 80 °C
of 71 °C = 0 to 70 °C
Max. operating pressure
10 bar
Electrical connection
Mains connection
1~230 V +10%/-15%, 50/60 Hz (acc. IEC 60038)
Motor/Electronics
Electromagnetic compatibility
EN 61800-3
Emitted interference
EN 61000-6-3 / EN 61000-6-4
Interference resistance
EN 61000-6-1 / EN 61000-6-2
Protection class
IP X4D
Insulation class
F
Energy efficiency index EEI
See rating plate
Minimum suction head at suction port for avoiding cavitation at water pumping temperature
Minimum suction head at 50/95/110°C 0,5 / 4,5 / 11 m
