Installation and operating instructions Wilo-Para 33
en
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)
4Housing 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 sys-
tems with integrated differential pressure control. Con-
trol mode and delivery head (differential pressure) are
adjustable. The differential pressure is controlled via the
pump speed.
Type key
Example: Wilo-Para 15-130/7-50/SC-12/I
Para High-efficiency circulator
15 15 = screwed connection DN 15 (Rp ½)
DN 25 (Rp 1), DN 30 (Rp 1¼)
130 Port-to-port length: 130 mm or 180 mm
7 7 = maximum delivery head in m at Q = 0 m³/h
50 50 = max. power consumption in watts
SC SC = Self-Control
iPWM1 = external control via iPWM1 signal
iPWM2 = external control via iPWM2 signal
12 Position of the control module at 12 o’clock
I Individual packaging
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