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Solar Water Heaters

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Circulate Pump For Solar Heating Systems
Circulate Pump For water circulation in the water system.
User Guide
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Identification Code
E.g. : RS 25/6
RS : Screwed-end pump
25/ : Connection size
6 : Rated shut-off head [m]

 

Item NO.

Rated Power

Steps/Speed

Power inpt

Current

Capacitor

Motor Protect

P 2 max. W

d n 1/p.m

P1 W

I A

μ F/v

RS25/2

9

Max

1900

46

49

0.21

1.6/400

1)

RS30/2

4

　

1600

30

34

0.15

　

2

eco

1100

19

21

0.09

RS25/4

22

Max

2000

56

68

0.28

2.0/400

1)

RS30/4

13

　

1650

40

48

0.2

　

7

eco

1200

27

32

0.13

RS25/6

37

Max

220

77

99

0.41

2.6/400

1)

RS30/6

22

　

1900

56

75

0.31

　

12

eco

1200

41

50

0.24

 

 

1. Suitable Fluids
Heating water to VDI 2035
Water/glycol mixtures: max. Mixing ratio 1:1
Hydrate coercions required for mixing ratio above 20%
 
2.Performance
Speed range: 1100-2200pm
Manual 3-speed control
Fluid temperature range:-10℃-+110℃
Max. Working prossure: 10 bars
 
3.Ambient Temperature
Permissible up to:40°C
 
4.Power
Mains power: 1~230V, 50Hz
 
5.Motor
Degree of protection:IP42
Insulation class: 1
Interference emission: EN 50081-1
Interference resistance: EN 50082-2
 
6.Construction Materials
Pump body: cast iron
Impeller: GF-PP
Shaft: stainless steel
Bearings: graphite
 
Scope of supply
Pump incl.2 union washers, packing and O&M manual
 
Accessories
Union connector fittings, thermal insulation
 
Mounting Positions
Pump shaft in the horizontal plane, terminal box optionally 3,6,9 or 12o’clock
 
Pump Equipment
Screwed end single head pump
Manual 3-speed control
Non-overloading single-phase motor
Optional left or right cable entry
Special design versions RS25/4 and RS25/6
Bronze body, 180mm port-to-port
Cast iron body 130 mm port-to-port

 

Item NO.

Rp

G

l 0

l 1

l 3

l 4

a

b 1

b 2

b 3

b 4

Weight ca. kg

mm

I'N10

RS25/2

1 ″

1 1/2 ″ M

180

97

90

79

33

100

92.5

54

73

2.4

RS30/2

1 1/4 ″

2 ″ M

180

97

90

79

33

100

92.5

54

73

2.6

RS25/4

1 ″

1 1/2 ″ M

180

97

90

79

33

100

92.5

54

73

2.4

RS30/4

1 1/2 ″

2 ″ M

180

97

90

79

33

100

92.5

54

73

2.6

RS25/6

1 ″

1 1/2 ″ M

180

97

90

79

33

100

92.5

54

73

2.4

RS30/6

1 1/4 ″

2 ″ M

180

97

90

79

33

100

92.5

54

73

2

 

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