Hydronic separator-manifoldHydroLink™

Function

The Hydrolink, a new device combining a hydronic separator anddistribution manifold, is used in heating and air-conditioningsystems to allow di erent heat adjustments of the various roomswhen there is only one boiler or chiller.The various are compact, and can be easily inany kind of hydronic circuit, with the advantages of ease ofinstallation and a saving of useful living space.

Patent application No. MI2001A001270

cert. n ° 0003ISO 9001

Product range

Part # 31091 Exter nal 2+2 separator-manifold. Complete with support brackets and pre-formed insulation Size 1 1/4”; branches 1”Part # 31092 External 3+1 separator-manifold. Complete with support brackets and pre-formed insulation Size 1 1/4”; branches 1”Part # 31090 Built-in 2+1 separator-manifold. Complete with pre-formed insulation Size 1”; branches 1”

T echnical characteristics

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Connections: - main: 3+1 and 2+2: 1 1/4” F NPT2+1: 1” F NPT

- branches: 3+1 and 2+2: 1” M NPT2+1 (bottom): 1” M NPT2+1 (side): 1” F NPT

- air vent valve: 3+1, 2+2 and 2+1: 1/2” F straight- drain cock: 3+1, 2+2 and 2+1: 1/2” F straight

Center distances: - main: 3+1 and 2+2: 3 1/8” (80 mm)2+1: 2 3/8” (60 mm)

- branches: 3+1 and 2+2: 3 1/2” (90 mm)2+1: 3 1/2” (90 mm)

InsulationMaterial: Closed-cell expanded PEXThickness: 3/4” (20 mm)Density: - inner part: 2 lb/ft3 (30 kg/m 3)

- outer part: 3 lb/ft3 (50 kg/m 3)Thermal conductivity: - at 32°F (0°C): 0.26 BTU/in (.038 W/mK)

- at 100°F (40°C): 0.31 BTU/in (.045 W/mK)Vapor resistance coe cient (DIN 52615): > 1.300Te mperature range: 32 to 212°F (0÷100°C)Fire resistance (DIN 4102): Class 1 (Class B2)

Flow Characteristics

Maximum recommended rates at connections:

Branches Primary Secondary (total)2+1 9 gpm (2.0 m 3/h) 22 gpm (5 m 3/h)2+2 11 gpm (2.5 m 3/h) 26 gpm (6 m 3/h)3+1 11 gpm (2.5 m 3/h) 26 gpm (6 m 3/h)

Dimensions������������������������������������������������������������������������������������A C

BC

HI

LD E

F G

A

M

AA

C

BCE

HI

GD F

L

A

C

BCE

GH

FD

A

L

AA

I

3848

7Patent ApplicationNo. MI2001A 001270

Series 559HydroLink™

Pmax 90 psi - Tmax 230°F

Patent ApplicationNo. MI2001A 001270 38

503

Series 559HydroLink™

Pmax 90 psi - Tmax 230°F

3848

5

Patent ApplicationNo. MI2001A 001270

Series 559HydroLink™

Pmax 90 psi - Tmax 230°F

A

1 1/4”

B

1”

D

15 3/8”

E / F

3 9/16”

G

5 1/2”

C

1/2”

Part

31092

H

3 1/8”

I

9 7/8”

L

29 15/16”

M

3 1/8”

Weight(lb)

39

Volume(gal)

2,6

A

1”

B

1”

D

6 1/8”

E

3 9/16”

F

20 1/2”

C

1/2”

Part

31090

H

7 11/16”

I

3 9/16”

L

2 3/8”

Weight(lb)

16

Volume(gal)

1

A

1 1/4”

B

1”

D

6 5/16”

E

3 9/16”

F

5 1/2”

C

1/2”

Part

31091

G

20 7/8”

H

3 1/8”

I

9 7/8”

L

3 1/8”

Weight(lb)

29

Volume(gal)

1,8

Operating principleWhen a single system contains a primary generating circuit, with itsown pump, and a secondary user circuit, with one or moredistribution pumps, operating conditions may arise in the systemwhere the pumps interact, creating abnormal variations in flowrates and pressures in the circuits.In the HydroLink there is a low pressure loss zone, which enablesthe primary and secondary circuits connected to it to behydraulically independent of each other; the flow in one circuitdoes not create a flow in the other if the pressure loss in thecommon section is negligible.In this case, the flow rates passing through the respective circuitsdepend exclusively on the flow characteristics of the pumps,preventing reciprocal influence due to connection in series.Downstream of the hydronic separation zone are the flow and returnmanifolds to which the various secondary distribution circuits canbe connected.

Three possible hydronic balance situations are shown below asexamples.������������������������������

primary circuit

secondary circuit��������������������������������������������������� � ����������������������������Gp

GS1 GS2 GS3

GS4

Gp

GS1 GS2 GS3

GS4

GS1 GS2 GS3

Gp

GS4

Gprimary = Gsecondary (GS1+GS2+GS3+GS4) Gprimary > Gsecondary (GS1+GS2+GS3+GS4) Gprimary < Gsecondary (GS1+GS2+GS3+GS4)

Support brackets

The HydroLink externalversions 2+2 and 3+1 aresupplied complete withsuitable wall-mountingbrackets, which make itpossible to adjust thefront-to-back positioning.

InstallationHydroLink units should be installed in accordance with thediagrams shown in this leaflet, ensuring the correct connection ofthe flow and return pipework and the main and branch connections.HydroLinks units can even be installed upside down, as long as theconnection logic shown is adhered to.

The 1/2” F connections must only be used for connecting an airvent valve and drain cock, and not for connecting branch circuits.

Insulation

The Hydrolink is supplied with heat-preformed shell insulation. Thissystem ensures not only perfect heat insulation but also thetightness required to prevent atmospheric water vapour fromentering the unit. For this reason, this type of insulation may also beused in cooling water circuits, as it prevents condensation fromforming on the surface of the valve body.����������������������������������������������������������������������������RT

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Application diagrams

System with wall-mounted boiler and built-inHydroLink 2+1

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External hydraulic separator-manifold, branches 2+2, for heating and air-conditioning systems. Painted steel body.Connections to generator 1 1/4” F, centre distance 3 1/8” (80 mm) . Branch connections 1” M, centre distance 3 1/2”(90 mm) . 1/2” F connections for air vent valve and drain cock. Max. working pressure 90 psi (6 bar) . Temperaturerange 32 to 230°F (0÷110°C) . Complete with support brackets.

SPECIFICATION SUMMARIES

Part # 31091

External hydraulic separator-manifold, branches 3+1, for heating and air-conditioning systems. Painted steel body.Connections to generator 1 1/4” F, centre distance 3 1/8” (80 mm) . Branch connections 1” M, centre distance 3 1/2”(90 mm) . 1/2” F connections for air vent valve and drain cock. Max. working pressure 90 psi (6 bar) . Temperaturerange 32 to 230°F (0÷110°C) . Complete with support brackets.

Part # 31092

Built-in hydraulic separator-manifold, branches 2+1, for heating and air-conditioning systems. Painted steel body.Connections to generator 1” F, centre distance 2 3/8” (60 mm) . Side branch connections 1” M, centre distance3 1/2” (90 mm) . Head branch connections 1” F, centre distance 2 3/8” (60 mm) . 1/2” F connections for air vent valveand drain cock. Max. working pressure 90 psi (6 bar) . Temperature range 32 to 230°F (0÷110°C) .

Part # 31090

System with floorstanding boiler andHydroLink 3+1

We r eserve the right to change our products and their relevant technical data, contained in this publication, at any time and without prior notice.

r Sales & Service PO Box 4945 / Buena Vista, CO 81211

Tel: 800 . 608 . 0562 / Fax: 719 . 395 . 3555 / www. r.com© Copyright 2003 Cale North America, Inc.