Standard Pumps Product Overview
Duty chart H[m]
Wilo-Star-ST (SolarStar) Series
Wilo-Star ST
10 9 ST 20 8 /11 7 ST 20/9 6 5 4
ST 25 ST 25/6 /7
3 2 1 0
0
1
0,5
1,5
2
2,5 Q[m3/h]
Duty chart H[m]
Wilo-Star-AC (ClimaStar) Series
ST 25/4
Star-
5
Star-
4
Wilo-Star-AC AC 2 0/5
-O AC 2 0/5I
3 2 1 0
112
• Single-head pumps: Circulating pumps with screwed connection • Applications: Solar thermal systems • Special features: – Special hydraulics for use in solar thermal systems – Cathaphoresis coating for preventing corrosion
0
0,5
1
1,5
2
2,5 Q[m3/h]
• Single-head pumps: Circulating pumps with screwed connection • Applications: Air-conditioning equipment and refrigeration systems • Special features: – Corrosionproof composite pump housing – Inline and offline designs
As of: 06/2004 - Subject to change without prior notice
Standard Pumps Single-Head Pumps (Solar Thermic, Refrigeration - A/C) Equipment/Function Single-Head Pumps (Solar Thermic, Refrigeration - A/C) Equipment/Function
Wilo-Star ST (SolarStar)
Wilo-Star-AC (ClimaStar)
Speed-stage switching
•
•
Control mode (n = constant)
–
–
'p-cv for combined differential pressure
–
–
'p-c for constant differential pressure
–
–
'p-v for variable differential pressure
–
–
'p-T for temperature-prompted differential pressure
–
–
Adjustment of operating mode
–
–
Adjustment of differential-pressure setpoint
–
–
Adjustment of "autopilot" (automatic setback mode)
–
–
Adjustment of pump ON/OFF
–
–
Operating modes
Manual functions
Adjustment of speed (manual setting mode)
•
•
Adjustment of speed stages
3
3
Stepless performance adaptation as a function of operating mode
–
–
"Autopilot" automatic setback mode
–
–
Deblocking function
–
–
Soft start
–
–
Safety control
–
–
Full motor protection with integrated trip electronics
–
–
Control input "Overriding Off"
–
–
Control input "Overriding Min"
–
–
Control input "Analog In 0 ... 10 V" (remote speed setting)
–
–
Control input "Analog In 0 ... 10 V" (remote setpoint setting)
–
–
Single fault signal (floating NC contact)
–
–
Collective fault signal (floating NC contact)
–
–
Single/collective run signal (floating NO contact)
–
–
Thermal winding contact (WSK, floating NC contact)
–
–
Fault light
–
–
Direction-of-rotation telltale lamp
–
–
LC display for showing pump data and fault codes
–
–
Infrared interface for wireless data exchange with IR monitor
–
–
PLR serial digital interface for connection to BA via Wilo interface converter or company-specific coupling modules
–
–
LON serial digital interface for connection to a LONWORKS network
–
–
Automatic functions
External control functions
Signal and display functions
Data exchange
172
As of: 06/2004 - Subject to change without prior notice
Standard Pumps Single-Head Pumps (Solar Thermic, Refrigeration - A/C) Equipment/Function Single-Head Pumps (Solar Thermic, Refrigeration - A/C) Equipment/Function
Wilo-Star ST (SolarStar)
Wilo-Star-AC (ClimaStar)
Main/standby pump operation (automatic fault-actuated duty changeover/time-sensitive pump replacement)
–
–
Addition operation (efficiency-optimized peak-load cutin and out)
–
–
• (only with nominal dia. DN 25)
–
Double changeover valve in pump housing
–
–
Cable entry possible on both sides
•
•
Glandless Pumps
Dual pump management: twin-head pump or 2 x single-head pump
Equipment/scope of delivery Wrench attachment point on pump body
Wilo quick connection with snap-on clips
•
•
Integrated air separator for automatic rapid ventilation Rp 3/8
–
–
Plug-in slot for optional expansion with Wilo IF modules
–
–
Blocking-circuit-proof motor
•
•
Incl. seals for threaded connection (loose)
•
•
Incl. installation and operating instructions
•
•
Incl. thermal insulation
–
–
Incl. washers for flange bolts (for DN 32 - DN 65 nominal connection diameters)
–
–
Incl. 1.8 m connecting cable with grounding plug
–
–
Integrated non-return valve
–
–
Integrated ball shut-off valve
–
–
Incl. time switch
–
–
• = available, – = not available
As of: 06/2004 - Subject to change without prior notice
173
Standard Pumps Single-Head Pumps (Solar Thermic, Refrigeration - A/C) Technical Data Technical Data
Wilo-Star-ST (SolarStar) 20/4 25/4
20/6 25/6
20/7 25/7
20/9
Wilo-Star-AC (ClimaStar) 20/11
15/40
20/5-O
20/5-I
–
–
–
Water/glycol mixtures (max. 1:1; mixtures with more than 20 % glycol content require rechecking of the pumping data)
• (ST 15/40: operating mode only with water/glycol mixtures of 50 %)
•
•
Domestic hot water for secondary and service water systems in accordance with German directive TrinkwV 2001
–
–
–
–
–
–
–
–
Max. delivery head [m]
5
6
7
10
12
50
5
5
Flow rate max. [m3/h]
3
3.5
4
2
2
0.15
2.5
3
1,1002,100
1,5002,500
2,0002,700
1,1002,100
1,5002,500
2,5002,600
1,3002,300
1,1502,200
Approved fluids (other fluids on request) Heating water (as per VDI 2035)
Performance
Speed range [rpm]
Permitted field of application Temperature range for use in heating, ventilation and A/C systems at max. ambient temperature +25 °C [°C]
–
–
–
at max. ambient temperature +40 °C [°C]
-10 to +110 (short-time duty 2 h: +120)
0 to +95 (short-time duty 2 h: +110)
-10 to +95
Temperature range for use in drinking-water circulation systems at max. ambient temperature +40 °C [°C] Max. permitted total hardness in drinking-water circulation systems [°d]
–
–
–
–
Standard version for operating pressure pmax [bar]
10
10
10
10
10
6
6
6
Special version for operating pressure pmax [bar]
–
–
–
–
–
–
–
–
Pipe connections Rp 1
G 1/2
G1
Filler connection [G, inside]
–
1/
–
Nominal connection diameter DN
–
–
–
Flange for mating flange PN 6, standard version
–
–
–
Screwed connection Rp/G
4
Flange for mating flange PN 16, special version
–
–
–
–
–
–
–
–
Combination flange PN 6/10 for mating flanges PN 6 and PN 16, standard version
–
–
–
–
–
–
–
–
Support-bracket mounting (with horizontal shaft only), standard version
–
–
–
–
–
–
–
–
Support-bracket mounting (with horizontal shaft only), special version
–
–
–
–
–
–
–
–
Electrical connection Mains connection 1~ [V], standard version
230
230
Mains connection 3~ [V], standard version
–
–
Mains connection 3~ [V], with optional adapter plug
–
–
Mains frequency [Hz]
174
50
50
50
50
50
50
50
50
As of: 06/2004 - Subject to change without prior notice
Standard Pumps Single-Head Pumps (Solar Thermic, Refrigeration - A/C) Technical Data Wilo-Star-ST (SolarStar) 20/4 25/4
20/6 25/6
20/7 25/7
20/9
Wilo-Star-AC (ClimaStar) 20/11
15/40
20/5-O
20/5-I
Glandless Pumps
Technical Data
Motor/electronics Electromagnetic compatibility
–
–
Emitted interference
EN 61000-6-3
EN 61000-6-3
Immunity to interference
EN 61000-6-2
EN 61000-6-2
–
–
Power electronics Radio interference suppression level
N
N
Protection class
IP 44
IP 44
Insulation class
F
F
Materials Pump housing
Gray cast iron (EN-GJL-200), cataphoresis coating
Plastic (Luranyl)
Plastic (Composite)
Impeller
Polypropylene
–
Polypropylene
Gear set
–
Plastic
–
Stainless steel (X40 Cr13)
Stainless steel
Stainless steel (X40 Cr13)
Shaft Bearing
Carbon
Carbon
Minimum suction head [m] at water delivery temperature of 50 °C
0.5
at water delivery temperature of 95 °C
3
at water delivery temperature of 110 °C
10
• = available, – = not available
As of: 06/2004 - Subject to change without prior notice
175
Standard Pumps Wilo-Star ST Pump Curves Wilo-Star ST 20/4, ST 25/4
Wilo-Star ST 20/6, ST 25/6
v 0
1,0
0,5
Wilo-Star ST 20/4 ST 25/4 1~230 V - Rp 1/2, Rp 1
4
v
0
2,0 [m/s]
1,5
5
1,0
0,5
2,0 [m/s]
1,5
7
Wilo-Star ST 20/6 ST 25/6
6
1~230 V - Rp 1/2, Rp 1
m
ax
H[m]
3
H[m]
5 ma
x.
4
3
2
2 m
1
mi
n.
in
1
0 0 0
1,0
2,0
0,25 5
0
0
[l/s]
1,0
10
0
[m3/h]
3,0 0,75
0,5
1,0
0
[lgpm]
2,0
0,25
[l/s]
1,0
10
Q
80
0,75
5
0
[m3/h]
3,0
0,5
[lgpm]
Q
100
max.
max
80 P1[W]
P1[W]
60 60
min.
40 min
40
20 0
1,0
2,0
20
[m3/h]
3,0
0
1,0
2,0
[m3/h]
3,0
Wilo-Star ST Pump Curves
Wilo-Star ST 20/7, ST 25/7
Wilo-Star ST 20/9
v 0
v
1,0
0,5
0
Wilo-Star ST 20/7 ST 25/7
6
0,5
1
[m/s]
1,5
12
Wilo-Star ST 20/9
1~230 V - Rp 1/2, Rp 1
1 ~ 230 V - Rp 1/2
10
ma
5
x.
H[m]
H[m]
2,0 [m/s]
1,5
7
8
4
m
6
ax
.
3 mi
n.
4
2
m
1
in
2
0 0 0
1,0
2,0
0,25 5
0
[m3/h]
3,0 0,75
0,5
1,0
10
0
[l/s] [lgpm ]
0
Q
120
0 0
0,5 0,1
0,2
1 0,3
0,2
1,5 0,4
0,4
2 0,5
0,6
0,6
2,5 0,7
[m3/h] [l/s] [lgpm]
0,8
Q
140 max.
120 100
max.
P1[W]
P1[W]
100 80
min.
80 60
min
60
40 40 0
176
1,0
2,0
3,0
[m3/h]
20
0
0,5
1
1,5
2
2,5
[m3/h]
As of: 06/2004 - Subject to change without prior notice
Standard Pumps Wilo-Star ST Pump Curves Wilo-Star ST 20/11
Wilo-Star ST 15/40
0,5
1
1,5
[m/s] 60
12
Wilo-Star ST 15/40
Wilo-Star ST 20/11
1~230 V - Rp 1/2
1 ~ 230 V - Rp 1/2
50
10
40
ma x.
H[m]
8 m
ax
H[m]
Glandless Pumps
v 0
. 30
6
20
4
min.
m
0
10
in
2
0
0 0 0
0,5 0,1
0,2
1 0,3
0,2
1,5 0,4
0,4
2 0,5
0,6
0,6
2,5 0,7
160
30
0 0
[lgpm]
0,8
Q
180
0
[m3/h] [l/s]
60
0,1
0,2
150
0,03 0,3
0,04
0,4
0,5
[l/h] [l/s] [lgpm]
Q
100
max.
120
90 0,02
0,01
80
140
max.
P1[W]
P1[W]
120 100
40
min
80
60
min.
60 0
0,5
1
1,5
2
2,5
As of: 06/2004 - Subject to change without prior notice
[m3/h]
20 0
30
60
90
120
150
[l/h]
177
Standard Pumps Wilo-Star ST Terminal Diagrams, Motor Data Terminal diagram
L
N
PE
AC motor (EM) 2-pole - 1~230 V, 50 Hz, with integrated capacitor Terminal Diagrams, Motor Data
Motor data Rated power
Stage/speed
P2
n
Power consumption P1
Current
Capacitor
Pg screwed connection
Motor protection
I
–
–
–
>PF/VDB]
–
–
[W]
[rpm]
[W]
[A]
Star ST 25/4 Star ST 20/4
22 13 7
max 2,100 1,600 min 1,100
55 - 65 38 - 48 27 - 32
0.28 0.21 0.15
2.0/400
11
not necessary (blocking-currentproof)
Star ST 25/6 Star ST 20/6
37 22 12
max 2,500 2,100 min 1,500
68 - 82 46 - 63 34 - 44
0.36 0.28 0.20
2.6/400
11
not necessary (blocking-currentproof)
Star ST 25/7 Star ST 20/7
60 22 7
max 2,700 2,500 min 2,000
92 - 110 62 - 84 44 - 63
0.48 0.38 0.29
3.5/400
11
not necessary (blocking-currentproof)
Star ST 20/9
44 25 14
max 2,100 1,600 min 1,100
88 - 110 62 - 78 45 - 50
0.50 0.35 0.25
3.0/400
11
not necessary (blocking-currentproof)
Star ST 20/11
61 34 18
max 2,500 2,100 min 1,500
125 - 165 97 - 115 67 - 75
0.72 0.55 0.35
2.6/400
11
not necessary (blocking-currentproof)
Star ST 15/40
38 27 15
max 2,600 2,550 min 2,500
65 - 95 40 - 66 21 - 44
0.43 0.31 0.21
2.6/400
11
not necessary (blocking-currentproof)
Always refer to name plate data!
178
As of: 06/2004 - Subject to change without prior notice
Standard Pumps Wilo-Star ST Dimensions, Weights Dimension drawing A
Dimension drawing B G
53,7
3
54
78,8
90
PG 11
90
90
(130) 180
180
b3
l0 91 (79) 22,5
G
141,5 (129)
67,2
l1
33
G
130,4
(Rp) 92,5 Dimensions, Weights
Dimension drawing C 54
PG 11
105
52,5
74
R p 1/2
24
129
113 G¼
Motor horizontal, terminal-box position possible for 3, 9 and 12 o'clock
Dimensions, weights
Star ST 20/4
Pipe connection/ nominal dia.
Thread
[Rp/DN]
G
–
–
1
Pump dimensions
I0
l1
b3
[mm]
Weight approx.
Dimension drawing
–
–
[kg]
–
Rp /2
1
79
97
73
2.43
A
Star ST 25/4
Rp 1
1
1 /2
79
97
73
2.43
A
Star ST 20/6
Rp 1/2
1
79
97
73
2.45
A
Star ST 25/6
Rp 1
1 1/2
79
97
73
2.45
A
Star ST 20/7
Rp 1/2
1
91
109
76
2.9
A
Star ST 25/7
Rp 1
1 1/2
91
109
76
2.9
A
3.6
B
4.0
B
2.4
C
1
Star ST 20/9
Rp /2
1
Star ST 20/11
Rp 1/2
1
Star ST 15/40
Rp 1/2
1/
2
As of: 06/2004 - Subject to change without prior notice
See dimension drawing
179
Glandless Pumps
100
