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Hydronic separator-manifold
HydroLink™
Function
The Hydrolink, a new device combining a hydronic separator and
distribution manifold, is used in heating and air-conditioning
systems to allow di erent heat adjustments of the various rooms
when there is only one boiler or chiller.
The various are compact, and can be easily in
any kind of hydronic circuit, with the advantages of ease of
installation and a saving of useful living space.
Patent application No. MI2001A001270
cert. n ° 0003
ISO 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”
Technical characteristics
Body
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Medium: Water and non-hazardous glycol solutions
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Te )C°011÷ 0( F°032 ot 23 :egnar erutarepm
Connections: - main: 3+1 and 2+2: 1 1/4” F NPT
2+1: 1” F NPT
- branches: 3+1 and 2+2: 1” M NPT
2+1 (bottom): 1” M NPT
2+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)
Insulation
Material: Closed-cell expanded PEX
Thickness: 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): > 1.300
Temperature 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
B
C
H
I
L
D E
F G
A
M
A
A
C
BC
E
H
I
G
D F
L
A
C
B
C
E
G
H
F
D
A
L
AA
I
38487
Patent Application
No. MI2001A 001270
Series 559
HydroLink
™
P
max
90 psi - T
max
230°F
Patent Application
No. MI2001A 001270
38503
Series 559
HydroLink
™
P
max
90 psi - T
max
230°F
38485
Patent Application
No. MI2001A 001270
Series 559
HydroLink
™
P
max
90 psi - T
max
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 principle
When a single system contains a primary generating circuit, with its
own pump, and a secondary user circuit, with one or more
distribution pumps, operating conditions may arise in the system
where the pumps interact, creating abnormal variations in flow
rates and pressures in the circuits.
In the HydroLink there is a low pressure loss zone, which enables
the primary and secondary circuits connected to it to be
hydraulically independent of each other; the flow in one circuit
does not create a flow in the other if the pressure loss in the
common section is negligible.
In this case, the flow rates passing through the respective circuits
depend 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 return
manifolds to which the various secondary distribution circuits can
be connected.
Three possible hydronic balance situations are shown below as
examples.
primary circuit
secondary circuit
Gp
GS1 GS2 GS3
GS4
Gp
GS1 GS2 GS3
GS4
GS1 GS2 GS3
Gp
GS4
Gprimary = Gsecondary (G
S1
+G
S2
+G
S3
+G
S4
)Gprimary > Gsecondary (G
S1
+G
S2
+G
S3
+G
S4
)Gprimary < Gsecondary (G
S1
+G
S2
+G
S3
+G
S4
)
Support brackets
The HydroLink external
versions 2+2 and 3+1 are
supplied complete with
suitable wall-mounting
brackets, which make it
possible to adjust the
front-to-back positioning.
Installation
HydroLink units should be installed in accordance with the
diagrams shown in this leaflet, ensuring the correct connection of
the flow and return pipework and the main and branch connections.
HydroLinks units can even be installed upside down, as long as the
connection logic shown is adhered to.
The 1/2” F connections must only be used for connecting an air
vent valve and drain cock, and not for connecting branch circuits.
Insulation
The Hydrolink is supplied with heat-preformed shell insulation. This
system ensures not only perfect heat insulation but also the
tightness required to prevent atmospheric water vapour from
entering the unit. For this reason, this type of insulation may also be
used in cooling water circuits, as it prevents condensation from
forming on the surface of the valve body.
RT
CALEFFI
CALEFFI
CALEFFI
10
0
8
6
4
2
10
0
8
6
4
2
CALEFFI
10
0
8
6
4
2
10
0
8
6
4
2
10
0
8
6
4
2
10
0
8
6
4
2
CALEFFI
CALEFFI
°C
0
20
80
60
40
CALEFFI
°C
0
20
80
60
40
20
25
30
35 4045
50
55
60
RT
CALEFFI
CALEFFI
CALEFFI
10
0
8
6
4
2
10
0
8
6
4
2
CALEFFI
10
0
8
6
4
2
10
0
8
6
4
2
10
0
8
6
4
2
10
0
8
6
4
2
CALEFFI
CALEFFI
°C
0
20
80
60
40
CALEFFI
°C
0
20
80
60
40
20
25
30
35 4045
50
55
60
Application diagrams
System with
wall-mounted
boiler and built-in
HydroLink 2+1
0,25
0,5
0,75
1,0
1,25
1,5
1,75
2,0
2,25
100
80
60
40
20
-20-15-10-5051015
20
12
3
6
9
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
24
23
22
21
20
19
WATCH
CALEFFI
0,25
0,5
0,75
1,0 1,25 1,5
1,75
2,0
2,25
20
0,25
0,5
0,75
1,0
1,25
1,5
1,75
2,0
2,25
100
80
60
40
20
-20-15-10-5051015
20
12
3
6
9
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
24
23
22
21
20
19
WATCH
CALEFFI
0,25
0,5
0,75
1,0 1,25 1,5
1,75
2,0
2,25
20
0,25
0,5
0,75
1,0
1,25
1,5
1,75
2,0
2,25
100
80
60
40
20
-2001-51--5051015
20
8
CALEFFI
0,25
0,5
0,75
1,0
1,25
1,5
1,75
2,0
2,25
20
C
ALEF
F
I
C
ALEF
F
I
CALEFFI
10
0
8
6
4
2
10
0
8
6
4
2
CALEFFI
10
0
8
6
4
2
10
0
8
6
4
2
10
0
8
6
4
2
10
0
8
6
4
2
CALEFFI
CALEFFI
CALEF
F
I
C
ALEF
F
I
CALEFFI
10
0
8
6
4
2
10
0
8
6
4
2
CALEFFI
10
0
8
6
4
2
10
0
8
6
4
2
10
0
8
6
4
2
10
0
8
6
4
2
CALEFFI
CALEFFI
0,25
0,5
0,75
1,0
1,25
1,5
1,75
2,0
2,25
100
80
60
40
20
51-02--10-50 51015
20
9
CALEFFI
0,25
0,5
0,75
1,0
1,25
1,5
1,75
2,0
2,25
20
M S - +
16
18
20
22
24
CALEFFI
M S - +
16
18
20
22
24
CALEFFI
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)
. Temperature
range
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)
. Temperature
range
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 distance
3 1/2” (90 mm)
. Head branch connections 1” F, centre distance
2 3/8” (60 mm)
. 1/2” F connections for air vent valve
and drain cock. Max. working pressure
90 psi (6 bar)
. Temperature range
32 to 230°F (0÷110°C)
.
Part # 31090
System with floor
standing boiler and
HydroLink 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.
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