4.3 Heat distribution accessories
Motorised three-way valve (return temperature raising facility)
For part no., see pricelist
Rated heating output
[kW]
Designation
DN
[mm]
KVs
[m
3
/h]
Servomotor
230 V
Incl. complete fittings
390 - 1250
Motorised three-way valve, DN 50
50
40 SQK 33
Mating flanges, gaskets
390 - 1250
Motorised three-way valve, DN 65
65
63 SAL 31
Mating flanges, gaskets
390 and 530
Motorised three-way valve, DN 80
80
100 SAL 31
Mating flanges, gaskets
720
Motorised three-way valve, DN 100
100
160 SAL 31
Mating flanges, gaskets
950 and 1250
Motorised three-way valve, DN 125
125
550 SAL 31
Mating flanges, gaskets
Note
Not available separately: Only as part of an overall system
Circulation pumps
Wilo Stratos high efficiency circulation pumps
For part no., see pricelist
Wilo Stratos high efficiency circulation pumps:
■ EC motor and automatic output matching
■ Thermal insulation as standard for heating applications
■ Pump body with cataphoresis coating to prevent corrosion due to
the formation of condensate
■ System extension by retrofitting communication modules LON,
CAN, PLR, etc.
■ Remote control via infrared interface (IR module/IR monitor)
■
Energy efficiency class A
■
ErP ready
■ System temperature from -10 to +110 °C (no icing up)
■ 1 × 230 V~, 50/60 Hz
■ IP rating IP 44
Rated heating
output
[kW]
Designation
DN
[mm]
Installed length
[mm]
Nominal pressure
390
Wilo Stratos 65/1-12
65
360
PN 6/10
530 and 720
Wilo Stratos 80/1-12
80
360
PN 6/10
Wilo Stratos IL inline circulation pump
For part no., see pricelist
Wilo IL low pressure inline circulation pumps:
■ Single stage low pressure centrifugal pump in inline design
■ IEC standard motor
■ Pump body with cataphoresis coating to prevent corrosion due to
the formation of condensate
■ Bidirectional force-flushed mechanical seal
■ System temperature from -20 to +140 °C
■ 3 × 400 V~, 50/60 Hz
■ IP rating IP 55
Standard delivery:
■ Wilo Stratos IL inline circulation pump
■ Pump with gaskets, mating flanges
Rated heating
output
[kW]
Designation
DN
[mm]
Installed length
[mm]
Nominal pressure
1250
Wilo IL 100/145-1, 1/4
100
500
PN 16
Note
■ Cannot be ordered separately: Delivery only as part of a complete system
■ We reserve the right to select the pump manufacturers and types
Pump selected according to:
■ Pump selected according to minimum requirements (see Specification page 14)
■ Requirements of the relevant application
Installation accessories
(cont.)
VITOFLEX 300-UF
Viesmann
29
5682428
4