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4.5
Connection Details
12
Product description
Insulation class [Cl.]
Motor protection
Special version or with auxiliary equipment (at additional charge)
Permissible fluids
Special voltages/frequencies
Additional information CH
Approved fluids for heating
pumps
Fig. 1: Additional connections on the housing
Connection Details
Pump
CG
No.
SCH 150-555
18
1
SCH 150-230
26
2
SSCH 200-320
24
3
SCH 200-500
26
4
SSCH 250-360
21
5
SCH 250-380
28
6
SCH 250-470
28
7
SCH 300-430
28
8
SSCH 350-500
28
9
SSCH 400-490
32
10
SSCH 400-550
32
11
CG: Compound Ground; PG: Pressure Gauge; PM: Priming; AC: Air Cock; CDS: Casing
Drain (Suction);
CDD: Casing Drain (Delivery); CD: Casing Drain; GD: Gland Drain; VG: Vibration Gauge;
TG: Temperature Gauge
Table 1: Connection Details
F
See manufacturer's documentation
– Heating water according to VDI 2035 Cooling/
cold water
– Water-glycol mixture up to 40 % vol.
Pumps with motors with different voltages or
other frequencies are available on request
– Heating water (in accordance with VDI 2035/
VdTÜV Tch 1466/CH: in accordance with
SWKI BT 102-01)
– No oxygen binding agents, no chemical sealant.
– Ensure enclosed system from corrosion per-
spective. In accordance with VDI 2035 (CH:
SWKI BT 102-01); fix leaky spots.
PG
PM
AC
CDS
CDD GD
3/8
3/4
–
1/2
1/2
3/8
1
3/8
3/4
3/4
3/8
3/4
3/8
3/4
3/4
3/8
1
3/8
3/4
3/4
3/8
1
3/8
1
1
3/8
1
3/8
1
1
3/8
1
3/8
1
1
3/8
1
3/8
1
1
3/8
1
3/8
3/4
3/4
3/8
1
3/8
1
1
3/8
1
3/8
1
1
VG
TG
1/4
M8
M8
3/4
M8
M8
3/4
M8
M8
3/4
M8
M8
3/4
M8
M8
1
M8
M8
1
M8
M8
1
M8
M8
1
M8
M8
3/4
M8
M8
3/4
M8
M8
WILO SE 2020-10
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