Manual 21738326

Manual 21738326
Secondary hot water
Glandless standard pumps (single pumps)
Series description Wilo-Star-Z
Design
Technical data
Glandless circulation pump with threaded connection
Approved fluids (other fluids on request)
Application
Secondary hot water circulation systems and similar systems in
industrial and building services
Type key
Example:
Star
Z
20/
1
TT
EM
DM
-3
Wilo-Star-Z 20/1
Wilo-Star-Z 15 TT
Standard pump (screw-end pump or
pump with press fitting)
Circulation pump
Nominal connection diameter
Nominal delivery head [m]
with integrated timer and thermostat
(only Star-Z 15 TT)
Single phase motor (1~)
Three phase motor (3~)
3 speed stages
Special features/product benefits
• AC pumps with electrical quick connection
• All plastic parts that come into contact with the fluid fulfil KTW
recommendations
• Thermal insulation as standard for Star-Z 15 TT.
• Star-Z 15 TT with integrated timer and thermostat, LC display with
symbolic language, red button technology and automatic detection
of the thermal disinfection of the warm secondary hot water tank, as
well as ball shut-off valve on the suction side and non-return valve
on the pressure side.
Heating water (in accordance with •
not Z 15TT
VDI 2035)
Water-glycol mixtures (max. 1:1;
•
above 20% admixture, the pumpnot Z 15 TT
ing data must be checked)
Potable water and water for foodprocessing companies in accordance with TrinkwV 2001 (drinking
water ordinance)
•
Permitted field of application
Temperature range for applications in secondary hot water circu+65 °C
lation systems at max. ambient
temperature of +40 °C
Temperature range for applications in HAVC systems at max.
ambient temperature of +25 °C
-10°C to +110°C (except for
Star-Z 15 TT)
Temperature range for applications in heating, ventilation & air- -10°C to +95°C (except for
conditioning systems at max. am- Star-Z 15 TT)
bient temperature of +40 °C
Max. permitted total hardness in
potable water circulation systems
3.21 mmol/l (18 °dH)
Electrical connection
Mains connection
1~230 V, 50 Hz
3~400 V, 50 Hz (DM version)
Motor/electronics
Motor protection
Not required (blocking-current
proof)
Emitted interference
EN 61000-6-3
Interference resistance
EN 61000-6-2
Protection class
IP 42
Insulation class
F
• = appropriate, - = not appropriate
334
Wilo Building Services catalogue – 50 Hz – Heating, air-conditioning, cooling – Edition 2011/2012 – Subject to change without prior notice
Secondary hot water
Glandless standard pumps (single pumps)
Series description Wilo-Star-Z
Pump curves
H[m]
Wilo-Star-Z
5
Star-Z 20/5
Star-
Star-
4
Z 20/
Z 25
Star-Z 20/4
7
/6
3
25/2 D
M
Star-
Secondary hot water
Star-Z
2
Z 25
/2 EM
1
Sta
r-Z
Star-Z
15
TT
0
0
0,5
20/1
1
Equipment/function
Operating modes
• Speed stage switching (Star-Z 25/6 only)
Manual functions
2
3
4
5
Q[m³/h]
Scope of delivery
• Pump
• Including seals for threaded connection (only Star-Z 25/6)
• Including installation and operating instructions
• Including thermal insulation (Star-Z 15 TT only)
• Setting the speed stages (1 speed stage, 3 speed stages for
Star-Z...-3)
Automatic functions
• Time switching function for programming of 3 switch-on or switchoff times (Z 15 TT only)
• Temperature control for maintaining a constant return temperature
in the secondary hot water circulation system (Z 15 TT only)
• Thermal disinfection routine (detection and support of thermal disinfection of the warm secondary hot water tank) (only Z 15 TT)
• Blocking protection (only Z 15 TT)
Accessories
• Screwed connections
• Adapter fittings
• Thermal insulation shells for Star-Z 20, 25
• Special brass inserted parts for screw-end pumps:
Male thread/inner soldering connection
• Wilo-S1R-h industrial water plug-in module for Star-Z 20/1,
Z 25/2 EM (single-phase version)
• Wilo-SK 601 timer switchgear n connection with Wilo-SK 602 (as
contactor) for Wilo-Star-Z 25/2 DM (three-phase version)
• Wilo-SK 601 switchgear for timed activation/deactivation for
Signal and display functions
Star-Z 25/6
• LCD screen for display of pump data and fault codes (Z 15 TT only)
Equipment
• Wrench attachment point on the pump body (Star-Z 25/6 only)
• Cable inlet possible on both sides (Star-Z 20.25 only)
• Quick connection with spring clips
• Blocking current-proof motor
• Integrated non-return valve on the pressure side (only Star-Z 15 TT)
• Integrated ball shut-off valve on suction side (only Star-Z 15 TT)
• Including clock timer (only Z 15 TT)
Wilo Building Services catalogue – 50 Hz – Heating, air-conditioning, cooling – Edition 2011/2012 – Subject to change without prior notice
335
Secondary hot water
Glandless standard pumps (single pumps)
Wilo-Star-Z 15 TT
Pump curves
Single-phase current
0
0,1
0,2
0,3
0,4
0,5
H[m]
0,6
[m/s]
Wilo-Star-Z 15 TT
1~230 V - Rp ½
1,0
0,8
Sta
r-Z
15
0,6
TT
0,4
0,2
0
0
0,05
0
0,10
0,15
0,02
0
0,2
0
0,05
0,04
0,4
0,20
0,6
0,30 Q[m³/ h]
0,25
0,06
Q[l/s]
0,08
0,8
Q[Igpm]
1,0
P1[W]
20
16
12
8
4
0
0,10
0,15
0,20
0,25
0,30 Q[m³/ h]
Dimension drawing
Technical data
126,4
42
41
19
74
31
138
50
66,35
8,4
77
Terminal diagram
L
N
Type
Star-Z 15 TT
Art no.
4110919
Rated pressure
PN 10
Threaded pipe union
Rp ½
Mains connection
1~230 V, 50 Hz
Speed range n
1700-2700 rpm
Power consumption P1
max. 22 W
Current consumption I
max. 0.25 A
Weight approx. m
2.3 kg
Minimum suction head at
40 / 65 °C
0.5 / 2 m
Materials
Pump housing
Brass (CuZn40Pb2)
Impeller
Plastic (PPO)
Pump shaft
Stainless steel (X35CrMo17)
Bearing
Carbon, synthetic resin impregnated
PE
Blocking current-proof motor
Single-phase motor (EM) 2-pole - 1~230 V, 50 Hz
With built-in capacitor
336
Wilo Building Services catalogue – 50 Hz – Heating, air-conditioning, cooling – Edition 2011/2012 – Subject to change without prior notice
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