26
GB
Operator responsibilities
• Have all work carried out by qualified personne-
lonly.
• Ensure on-site guard against hot components and
electrical hazards.
• Have defective gaskets and connection pipes re-
placed. This device can be used by children from
8 years of age as well as by people with reduced
physical, sensory or mental capacities or lack of
experience and knowledge if they are supervised
or instructed in the safe use of the device and they
understand the dangers that can occur. Children
are not allowed to play with the device. Cleaning
and user maintenance must not be carried out by
children without supervision.
3. Product description and function
Overview Wilo-Para (Fig. 1)
1 Pump housing with screwed connections
2 Glandless motor
3 Condensate drain openings
(4x around circumference)
4 Housing screws
5 Control module
6 Rating plate
7 Operating button for pump adjustment
8 Run signal/fault signal LED
9 Display of selected control mode
10 Display of selected characteristic curve (I, II, III)
11 PWM or LIN signal cable connection
12 Mains connection: 3-pin plug connection
Function
High-efficiency circulator for hot-water heating sy-
stems with integrated differential pressure control.
Control mode and delivery head (differential pressu-
re) are adjustable. The differential pressure is con-
trolled via the pump speed.
Type key
Example: Wilo-Para 25-130/8-75/SC-12/I
Para
High-efficiency circulator
25
25 = screwed connection DN 25 (Rp1)
DN 15 (Rp ½), DN 30 (Rp 1 ¼)
130 Port-to-port length: 130 mm or 180 mm
8
8.4 = maximum delivery head in m at
Q = 0 m³/h
75
75 = max. power consumption in watts
SC
SC = Self-Control
12
Position of the control module
at 12 o’clock
I
Individual packaging
Technical data
Connection voltage
1 ~ 230 V +10 %/-15
%, 50/60 Hz
Protection class
IPX4D
Energy efficiency
index EEI
See rating plate (6)
Fluid temperatures at
max. ambient tempera-
ture +40 °C
Da -20 °C a +95 °C
(Heating/GT)
Da -10 °C a +110 °C
(ST)
Ambient temperature
+25 °C
Da 0 °C a +70 °C
Max. operating pressure 10 bar (1000 kPa)
Min. inlet pressure at
+95 °C/+110 °C
0,5 bar/1,0 bar (50
kPa/100 kPa)
MAX volume flow
4 m³/h
