Manual 21738325

Manual 21738325
Heating, air-conditioning, cooling
Glandless standard pumps (single pumps)
Heating, air-conditioning,
cooling
Series description Wilo-Star-RS
Design
Technical data
Glandless circulation pump with threaded connection. Preselectable
speed stages for power adjustment
Approved fluids (other fluids on request)
Heating water (in accordance with VDI 2035)
•
Hot-water heating systems of all kinds, industrial circulation systems, cold water systems and air-conditioning systems
Water-glycol mixtures (max. 1:1; above 20%
admixture, the pumping data must be
checked)
•
Type key
Permitted field of application
Application
Example:
Star-RS
25/
4
Wilo-Star-RS 25/4
Standard pump (screw-end pump)
Nominal connection diameter R
Nominal delivery head [m] at Q = 0 m3/ h
Special features/product benefits
• Suitable for any installation position with horizontal shaft; terminal
box in 3-6-9-12 o'clock position
• Pre-selectable three speed stages for load adjustment
• Easy, safe installation with the practical wrench attachment point on
the pump body
• Simplified electrical installation through the terminal box with removable threaded cable connection that can be used on both sides;
quick connection with spring clips
Temperature range for applications in HVAC
systems at max. ambient temperature of
+40 °C
-10 up to +110 °C
Electrical connection
Mains connection
1~230 V, 50 Hz
Motor/electronics
Motor protection
Not required (blocking-current proof)
Electromagnetic compatibility
–
Emitted interference
EN 61000-6-3
Interference resistance
EN 61000-6-2
Speed control
–
Protection class
IP 44
Insulation class
F
• = appropriate, - = not appropriate
Wilo Building Services catalogue – 50 Hz – Heating, air-conditioning, cooling – Edition 2011/2012 – Subject to change without prior notice
101
Heating, air-conditioning, cooling
Glandless standard pumps (single pumps)
Series description Wilo-Star-RS
Pump curves
H[m]
Wilo-Star-RS
7
Star
-RS
6
25/8
, 30
Star-
RS 25
5
Sta
/8
/7, 30
/7
r-R
4
S 15
/6, 2
5/6
3
Star
-RS
2
15/4
, 25
Star-
RS 2
1
5/2,
, 30
/6
/4, 3
0/4
30/2
0
0
1
2
Equipment/function
3
4
5
Q[m³/h]
Terminal diagram
Operating modes
• Speed-stage switching
Manual functions
• Selection of speed stages (3 speed stages)
Equipment
• Wrench attachment point on pump body
• Cable entry possible on both sides
• Quick connection with spring clips
• Blocking current-proof motor
L
N
PE
Blocking current-proof motor
Single-phase motor (EM) 2-pole - 1~230 V, 50 Hz
With built-in capacitor
Scope of delivery
• Pump
• Seals
• Installation and operating instructions
Options
• Version ...RG with housing made of red brass
• Version ... -130 with short overall length of 130 mm
Accessories
• Screwed connections
• Adapter fittings
• Thermal insulation shells
102
Wilo Building Services catalogue – 50 Hz – Heating, air-conditioning, cooling – Edition 2011/2012 – Subject to change without prior notice
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