High-efficiency Drinking Water Pump

Rio-Eco Therm N

Type Series Booklet

Legal information/Copyright

Type Series Booklet Rio-Eco Therm N

All rights reserved. The contents provided herein must neither be distributed, copied, reproduced,edited or processed for any other purpose, nor otherwise transmitted, published or made available toa third party without the manufacturer's express written consent.

Subject to technical modification without prior notice.

© KSB Aktiengesellschaft, Frankenthal 24.08.2015

Contents

Building Services: Heating .................................................................................................................................4

Variable-speed Drinking Water Pumps ......................................................................................................................... 4

Rio-Eco Therm N ........................................................................................................................................................ 4

Main applications ................................................................................................................................................ 4

Fluids handled ...................................................................................................................................................... 4

Operating data .................................................................................................................................................... 4

Designation .......................................................................................................................................................... 4

Design details ....................................................................................................................................................... 4

Materials .............................................................................................................................................................. 5

Product benefits ................................................................................................................................................. 5

Certifications ........................................................................................................................................................ 5

Selection information .......................................................................................................................................... 5

Programme overview / selection tables ............................................................................................................. 7

Technical data ...................................................................................................................................................... 7

Selection chart ..................................................................................................................................................... 8

Characteristic curves ............................................................................................................................................ 8

Dimensions ......................................................................................................................................................... 10

Flange design ..................................................................................................................................................... 11

Installation information .................................................................................................................................... 11

Scope of supply .................................................................................................................................................. 11

Accessories ......................................................................................................................................................... 12

Contents

3

Building Services: Heating

Variable-speed Drinking Water Pumps

Rio-Eco Therm N

Main applications

▪ Drinking water circulation systems

▪ Similar systems in industry and building servicesapplications (e.g. cooling water circulation)

Fluids handled

▪ Drinking water and water for the food and beverageindustry, as per German 2001 drinking water regulations

Operating data

Operating properties

Characteristic ValueFlow rate Q [m3/h] Screw-ended pumps: ≤ 12

Flanged pumps: ≤ 38Q [l/s] Screw-ended pumps: ≤ 3.33

Flanged pumps: ≤ 10.6Head H [m] ≤ 12Fluid temperature T [°C] Heating water: -10 to +110

Drinking water (≤ 20 °dH):≤ 80

Ambient temperature T [°C] ≤ 40Operating pressure p [bar] ≤ 10Connection Screw-end: R 1 1/4

Flange: DN 40 - DN 65

Designation

Example: Rio-Eco Therm N 30-100

Designation key

Code DescriptionRio Type seriesEco High-efficiency pumpTherm Drinking water pumpN New generation30 Nominal diameter of pipe connection

Code Description30 = R 1 1/440 ... 65 = DN 40 ... DN 65

100 Head in m x 10 (example 10 m = 100)

Design details

Design

▪ Highly efficient, maintenance-free wet rotor pump(glandless)

▪ Screw-ended or flanged

▪ Permanent magnet motor

▪ Continuously variable differential pressure control

Operating modes

▪ Automatic mode with variable differential pressure

▪ Open-loop control mode with external 0 - 10 V setpointsignal for speed

▪ Open-loop control mode with manual setpoint input

Automatic functions

▪ Continuous output adjustment depending on theoperating mode

▪ Deblocking function

▪ Soft start (slow start)

▪ Full motor protection

Manual functions

▪ Setting the operating mode

▪ Setting the differential pressure setpoint

▪ Setting the speed level

External control functions

▪ Control input "start/stop"

▪ Control input for remote speed adjustment 0-10 V

Signalling and display functions

▪ General fault indication (volt-free changeover contact)

▪ Fault indication, display of error codes

Interfaces

▪ Serial digital Modbus RTU interface for connecting higher-level automation systems via the RS485 system bus

Twin pump management

▪ Duty/stand-by mode with timer-controlled pumpchangeover every 24 hours and automatic changeover inthe event of a fault

Drive

▪ Electronically commutated synchronous motor withpermanent magnet rotor

▪ 1~230 VAC, 50/60 Hz

▪ IP42 enclosure

▪ Thermal class F

▪ Temperature class TF 110

▪ Variable speed electric drives to EN 61800-3 EMCrequirements

▪ Interference emission standard EN 55014-1 orEN 61000-6-3

▪ Interference immunity standard EN 55014-2 orEN 61000-6-2

Bearings

▪ Product-lubricated special plain bearing

Building Services: HeatingVariable-speed Drinking Water Pumps

4 Rio-Eco Therm N

Materials

Overview of available materials

Component MaterialVolute casing BronzeShaft Stainless steel 1.4034Impeller Plastic (PSU - 30 % glass fibre)Bearings Carbon, resin-impregnated

Product benefits

▪ Maximum savings of operating costs by high-efficiencymotor combined with speed control

▪ "All-in" concept saves costs

▪ Design principle ensures long service life and high level ofcomfort

▪ Universal use reduces storage costs

Certifications

Overview

Label Effective in: CommentGermany All sizes

Selection information

Minimum pressure

The minimum pressure pmin at the pump suction nozzle servesto avoid cavitation noises at an ambient temperature of +40 °Cand the indicated fluid temperature Tmax.

The indicated values are applicable up to 300 m above sealevel. For installation at altitudes > 300 m, an allowance of0.01 bar / 100 m must be added.

Minimum pressure pmin [bar] specified for the fluid temperature [°C]

Size Fluid temperature Minimum pressure

[°C] [bar]30-100, 30-120, 40-100,40-120, 50-90

Up to 80 0,581 to 95 1,5

65-120 Up to 80 0,881 to 95 1,5

Building Services: HeatingVariable-speed Drinking Water Pumps

Rio-Eco Therm N 5

Description of the characteristic curve

0

0,5

1,0

1,5

2,0

2,5

3,0

3,5

4,0

0

5

10

15

20

25

P1 [W]

H [m]

30

Q [m3/h]10 0,5 1,5 2,5 32

Q [m3/h]10 0,5 1,5 2,5 32

A

a)b)

c)

1

3

1

.4

43

2

a)

2 b)

c)

Selection example

1 Level 1 Open-loop control (n = constant)2 Level 2 Open-loop control (n = constant)3 Level 3 Open-loop control (n = constant)4 Level 4 Open-loop control (n ≠ constant)A Point of maximum pump power output (Q x H = Pmax.)

Control range

a) Control curve, maximum headb) Control curve, maximum pump power output

(factory setting)c) Control curve, minimum head

The characteristic curve can be adjusted between a) and c)by turning the control knob.

Description of the Modbus interface

Description see operating manual of the pump.

Building Services: HeatingVariable-speed Drinking Water Pumps

6 Rio-Eco Therm N

Programme overview / selection tables

Features and functions

Features and functions

FunctionsOperating modesΔp-v for variable differential pressureFixed speed operationManual functionsSetting the operating modeSetting the differential pressure setpointSetting the speedVent plugAutomatic functionsContinuous output adjustment depending on the mode of operationDeblocking functionSlow startExternal control functionsControl input for remote speed adjustment 0-10 V Control input "start/stop"Signalling and display functionsDisplay of error codesGeneral fault message (volt-free NC contact)Fault indicator lampData exchangeSerial digital Modbus RTU interface for connection to a building management system via RS485 bus systemFeatures / scope of supplySealing elements for connection (not fitted)Installation/operating manual

Technical data

Rio-Eco Therm N selection table

Size RDN

G PN P1

Mo

tor

pro

tect

ion

Sig

nal

ling

co

nta

cts Rated current Mat. No. [kg]

[W] 1~230 V [A]

30-100 R 1 ¼ G 2 6/10 22 - 250 ✘ SSM 0,20 - 1,55 29134185 8.630-120 R 1 ¼ G 2 6/10 30 - 340 ✘ SSM 0,25 - 2,10 29134186 8.640-100 DN 40 DN 40 6/10 30 - 350 ✘ SSM 0,25 - 2,20 29134187 12.840-120 DN 40 DN 40 6/10 27 - 450 ✘ SSM 0,22 - 2,70 29134188 16.550-90 DN 50 DN 50 6/10 30 - 350 ✘ SSM 0,25 - 2,30 29134189 13.565-120 DN 65 DN 65 6/10 100 - 1400 ✘ SSM 0,90 - 9,50 29134190 36.5

✘ = integrated motor protectionSSM = general fault message

Building Services: HeatingVariable-speed Drinking Water Pumps

Rio-Eco Therm N 7

Selection chart

Rio-Eco Therm N14

12

10

6

8

4

2

0

H [m]

Q [m3/h]0,1 1,0 10,0

0,1 1,0 10,0Q [l/s]

140

120

100

80

60

40

20

[kPa]

0

40-120

40-10050-90

30-120

30-100

65-120

Characteristic curves

Rio-Eco Therm N 30-100

H [m]

Q [m3/h]

P1 [W]

0

2

4

6

8

10

12

0 2 4 6 8 10 12

0

50

100

150

200

250

300

0 2 4 6 8 10 12Q [m3/h]

1~230 VACR 1 1/4

Rio-Eco Therm N 30-120

H [m]

P1 [W]

0

2

4

6

8

10

12

14

0 2 4 6 8 10 12 14

0

50

100

150

200

250

300

350

400

0 2 4 6 8 10 12 14

Q [m3/h]

Q [m3/h]

1~230 VACR 1 1/4

Building Services: HeatingVariable-speed Drinking Water Pumps

8 Rio-Eco Therm N

Rio-Eco Therm N 40-100

0

2

4

6

8

10

12

0 2 4 6 8 10 12 14 16

0

50

100

150

200

250

300

350

400

0 2 4 6 8 10 12 14 16

Q [m3/h]

H [m]

P1 [W]

Q [m3/h]

1~230 VACDN 40

Rio-Eco Therm N 40-120

H [m]

P1 [W]

0

2

4

6

8

10

12

14

0 2 4 6 8 10 12 14 16

0

50

100

150

200

250

300

350

400

450

500

0 2 4 6 8 10 12 14 16

Q [m3/h]

1~230 VACDN 40

Q [m3/h]

Rio-Eco Therm N 50-90

H [m]

P1 [W]

0

2

4

6

8

10

12

0 5 10 15 20 25

0

50

100

150

200

250

300

350

400

0 5 10 15 20 25

Q [m3/h]

Q [m3/h]

1~230 VACDN 50

Rio-Eco Therm N 65-120

H [m]

P1 [W]

Q [m3/h]

0

2

4

6

8

10

12

14

0 10 20 30 40 50

0

200

400

600

800

1.000

1.200

1.400

1.600

0 10 20 30 40 50Q [m3/h]

1~230 VACDN 65

Building Services: HeatingVariable-speed Drinking Water Pumps

Rio-Eco Therm N 9

Dimensions

Dimensions of screw-ended pump

90

230 35

G

75 150

H

Screw-ended pumps

Dimensions [mm]

Size R G H30-100 1 1/4 2 18030-120 1 1/4 2 180

Dimensions of flanged pump

a b c d

e

H

Flanged pump

Dimensions [mm]

Size DN a b c d e H40-100 40 215 75 75 150 125 25040-120 40 215 75 75 150 125 25050-90 50 225 75 95 160 140 28065-120 65 235 93 105 180 170 340

Building Services: HeatingVariable-speed Drinking Water Pumps

10 Rio-Eco Therm N

Flange design

Ø D

n x Ø d

Ø k

DN

L2Ø k Ø d

L1

1

n x Ø d 2

Adapter flange

Dimensions [mm]

Adapter flange ØD Ød PN 6 PN 10 PN 6 PN 10

ØkL1 ØkL2 n × dL1 n × dL2DN 40 150 84 100 110 4 × Ø14 4 × Ø19DN 50 165 99 110 125 4 × Ø14 4 × Ø19DN 65 185 118 130 145 4 × Ø14 4 × Ø19

Installation information

Permissible installation positions

Sizes Rio-Eco Therm N 30-100,30-120, 40-100, 40-120, 50-90

Rio-Eco Therm N 65-120

Scope of supply

▪ Pump

▪ Installation/operating manual

Building Services: HeatingVariable-speed Drinking Water Pumps

Rio-Eco Therm N 11

Accessories

Electrical accessories

Description Length Mat. No. [kg]

Modbus data cableWith preconfigured plug for Rio-Eco Therm N

5 19075536 0.2

Pipe union

Description Mat. No. [kg]

2 pipe unionswith G 1 1/2 union nut and insert with Rp 3/4 internal thread, brassfor pumps with G 1 1/2 external thread / R 3/4 pipe connection

19075563 0.2

2 pipe unionswith G 1 1/2 union nut and insert with Rp 1 internal thread, brassfor pumps with G 1 1/2 external thread / R 1 pipe connection

19075564 0.2

2 pipe unionswith G 2 union nut and insert with Rp 1 ¹/₄ internal thread, brassfor pumps with G 2 external thread / R 1 ¹/₄ pipe connection

19075565 0.2

Building Services: HeatingVariable-speed Drinking Water Pumps

12 Rio-Eco Therm N

1142

.51/

03-EN

24.0

8.20

15

KSB Aktiengesellschaft67225 Frankenthal • Johann-Klein-Str. 9 • 67227 Frankenthal (Germany)Tel. +49 6233 86-0 • Fax +49 6233 86-3401www.ksb.com