Danfoss Circulation set Installation guide [de]
Installation Guide
Circulation set for TDP-F units
Zirkulationsset für TDP-F Stationen
Div.788 Code No. 004U8400
Div.789 Code No. 004U8401
English - GB
If the household plumbing system includes hot water recirculation the substation must be connected to the hot water recirculation system
by using this circulation set.
It is to be recommended to prepare the substation for recirculation BEFORE mounting it on the wall.
The recirculation pipe in your household plumbing system must be connected to a nipple, mounted on the circulation pipe of the substation. - See the following pages for information about preparation of substation for and connection to the DHW recirculation system.
Remember always to mount circulation pump, non-return valve on the circulation pipe and to mount safety valve on the DCW inlet.
The pump must be installed so that the pump is pumping water towards the substation.
If a time-controlled pump is used, it is to be recommended that the circulation water temperature is set to approx. 35 °C.
If the circulation pump (outside the substation) is switched o for a longer period, it is to be recommended that the Danfoss bypass thermostat is closed during the same period.
Div.484 Code No. 004U8403
Div.487 Code No. 004U8405
NOTE!
Please note that substations with Danfoss AVE expanion unit must not be used on systems with DHW recirculation.
German - DE
Siehe bitte Seiten 13 bis 24.
Danfoss District Energy VI.IE.A1.5B DKDHR
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Installation Guide TDP-F units
Installation instructions - recirculation connection - Circulation set 1 - 004U8400
G2
I
G1
H
E2
B
J
K
M
C
L
You must always t a pump and non-return valve to the recirculation pipe, with ow direction towards the substation.
A safety valve must be mounted in the DCW inlet.
Fig. 1
Remove the nipples/plugs from the domestic hot water controller
(use a 6 mm Allen key).
Fig. 2
Mount hexagon nipple A in the DHW controller (seal with approved
sealing material, - i.e. hemp, tape, glue).
Fig. 3
Fit pipe bushing B in the DHW controller.
A
E1
F
D
Akva Lux II TDP-F, Type 004U8264
Fig. 1 Fig. 2
Fig. 4
Loosen union nut and demount the existing capillary tube from
the bypass thermostat.
Fig. 5
Lift up the movable section of the insulation cover, as shown, loosen
union nut and demount the existing capillary tube from the angle
piece. Do not re-use the capillary tube.
Fig. 6
Plug the hole with ball C and union nut D.
Fig. 7
Loosen union nut on T-piece for Danfoss bypass thermostat and
turn the angle piece for the capillary tube connection to a 45 degree angle and fasten union nut again.
Fig. 8
Fit new capillary tube E1 by means of cutting rings F and union nuts
D between the bypass thermostat and the pipe bushing B. Tighten
with single end wrench.
Fig. 3 Fig. 4
Fig. 5 Fig. 6
Fig. 7 Fig. 8
2
DKDHR VI.IE.A1.5B Danfoss District Energy
Installation Guide TDP-F units
Fig. 9
Fit circulation hose end G1 in hexagon nipple A (do not forget gasket!), and t the hose through the cut-out in the left side of the rear
insulation cover.
Fig. 10
Mount bracket H for recirculation connection on the mounting rail,
as shown, and fasten by means of two screws I.
Fig. 11
Mount non-return valve J and hexagon nipple K in the pump, as
shown on the photo to your right.
Fig. 12
Loosen union nut.
Fig. 13
Turn pump motor head by 180 degrees. Tighten the union nut
again.
Fig. 14
Please note that the arrow on the back of the housing indicates
the dirction of ow. - Please note the position of the arrow as
shown in the photo to your right.
Fig. 15
Fit pump in bracket H and fasten with locknut L.
Fig. 9 Fig. 10
J
K
Fig. 11
Fig. 13 Fig.14
Fig.12
Fig. 16
Fit circulation hose end G2 in non-return valve J. (Do not forget
gasket!)
Fig. 15 Fig.16
Fig. 17
Akva Lux II TDP-F, prepared for domestic hot water recirculation.
Fig.17
Danfoss District Energy VI.IE.A1.5B DKDHR
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Installation Guide TDP-F units
G2
I
G1
H
E2
B
J
K
M
C
L
You must always t a pump and non-return valve to the recirculation pipe, with ow direction towards the substation.
A safety valve must be mounted in the DCW inlet.
Fig. 1
Remove the nipples/plugs from the domestic hot water controller
(use a 6 mm Allen key).
A
E1
F
D
Akva Lux II TDP-F, Type 004U8089
Akva Lux II TDP-F, Type 004U8044
Cover for wall mounting
Cover for recess mounting
Fig. 2
Mount hexagon nipple A in the DHW controller (seal with approved
sealing material, - i.e. hemp, tape, glue).
Fig. 3
Fit pipe bushing B in the DHW controller.
Fig. 4
Remove the existing capillary tube and union nut from bypass
thermostat and angle piece (do not re-use).
Fig. 5
Plug the hole in the angle piece with the steel ball C and a union
nut D.
Fig. 6
Fit new capillary tube E2 in bypass thermostat by means of cutting
rings F and a union nut D. Tighten with single end wrench.
Fig. 1 Fig. 2
Fig. 3 Fig. 4
Fig. 5 Fig. 6
4
DKDHR VI.IE.A1.5B Danfoss District Energy
Installation Guide TDP-F units
Fig. 7
Fit/screw hose end G1 onto the hexagon nipple A and t the other
end of the capillary tube E2 in pipe bushing B by means of a cutting
ring F and a union nut D. Tighten with single end wrench.
Fig. 8
Mount bracket H for recirculation connection on the mounting rail,
as shown, and fasten by means of two screws I.
Fig. 9
Mount non-return valve J and hexagon nipple K in the pump, as
shown in the photo to your right.
Fig. 10
Loosen union nut.
Fig. 11
Turn pump motor head by 180 degrees. Tighten the union nut
again.
Fig. 12
Please note that the arrow on the back of the housing indicates
the dirction of ow. - Please note the position of the arrow as
shown in the photo to your right.
Fig. 13
Fit pump in bracket H and fasten with locknut L.
Fig. 7 Fig. 8
J
K
Fig. 9
Fig. 11 Fig.12
Fig.10
Fig. 14
Fit circulation hose end G2 in non-return valve J. (Do not forget
gasket!)
Fig. 13 Fig.14
Danfoss District Energy VI.IE.A1.5B DKDHR
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Installation Guide TDP-F units
PLEASE NOTE (only for 004U8044):
For systems with DHW recirculation the bypass thermostat
must alway be installed before the heat meter.
On substations, that are supplied with bypass thermostat mounted after the heat meter (Akva Lux II TDP-F, Type
004U8044), the bypass thermostat must therefore be relocated
before the substation is prepared for recirculation, - i.e. the bypass thermostat must be mounted before the heat meter.
Please follow the below instructions:
1.
Start by shutting o all connections to the substation.
2.
First follow the instructions for Fig. 1, 2 and 3 on page 16.
3.
Then demount 3/4” plug in T-piece (pos. A), as illustrated in g. 1.
A
C
D
4.
Remove the existing capillary tube from pos. C to D. See g. 2.
5.
Demount bypass thermostat incl. 3/4” reducer bushing from pos. B.
Unscrew 3/4” reducer bushing from bypass thermostat (the 3/4”
reducer bushing is not to be reused). See g. 3.
6.
Mount bypass thermostat in pos A, as illustrated in g. 4.
7.
Plug the hole in pos. B with 3/4” plug (from pos A) and gasket, as
illustrated in g. 5.
8.
Plug the hole in pos. D with a steel ball and 6 mm union nut.
9.
Finally follow instructions for g. 6 to 14 on pages 16 and 17.
Fig. 1
B
Fig. 3 Fig. 4
B
Fig. 5
Fig. 2
Fig. 6
A
D
6
DKDHR VI.IE.A1.5B Danfoss District Energy
Installation Guide TDP-F units
Installation instructions - recirculation connection - Circulation set 2 - 004U8401
G2
I
G1
H
E2
B
J
K
C
L
You must always t a pump and non-return valve to the recirculation pipe, with ow direction towards the substation.
A safety valve must be mounted in the DCW inlet.
For recirculation connection please refer to installation instructions
for circulation set 1 - 004U8400.
A
E1
F
D
Akva Lux II TDP-F, Type 004U8264
Akva Lux II TDP-F, Type 004U8089
Cover for wall mounting
Akva Lux II TDP-F, Type 004U8044
Cover for recess mounting
Danfoss District Energy VI.IE.A1.5B DKDHR
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Installation Guide TDP-F units
Installation instructions - recirculation connection - Circulation set 3 - 004U8403
A B
D
C
G
You must always t a pump and non-return valve to the recirculation pipe, with ow direction towards the substation.
A safety valve must be mounted in the DCW inlet.
Fig. 1
Remove the nipples/plugs from the domestic hot water controller
(use a 6 mm Allen key).
Fig. 2
Mount hexagon nipple A in the DHW controller (seal with approved
sealing material, - i.e. hemp, tape, glue), and mount hexagon nipple
C and union nut D in hexagon nipple A (for tting of recirculation
pipe.
E
F
H
Akva Lux II TDP-F, Type 004U8264
Fig. 1 Fig. 2
Fig. 3
Fit pipe bushing B in the DHW controller.
Fig. 4
Loosen union nut and demount the existing capillary tube from
the bypass thermostat.
Fig. 5
Lift up the movable section of the insulation cover, as shown, loosen
union nut and demount the existing capillary tube from the angle
piece. Do not re-use the capillary tube.
Fig. 6
Plug the hole with ball E and union nut F.
Fig. 7
Loosen union nut on T-piece for Danfoss bypass thermostat and
turn the angle piece for the capillary tube connection to a 45 degree angle and fasten union nut again.
Fig. 8
Fit new capillary tube G by means of cutting rings H and union nuts
F between the bypass thermostat and the pipe bushing B. Tighten
with single end wrench.
Fig. 3
Fig. 5 Fig. 6
Fig. 4
Fig. 7 Fig. 8
8
DKDHR VI.IE.A1.5B Danfoss District Energy
Installation Guide TDP-F units
A B
D
C
G
You must always t a pump and non-return valve to the recirculation pipe, with ow direction towards the substation.
A safety valve must be mounted in the DCW inlet.
Fig. 1
Remove the nipples/plugs from the domestic hot water controller
(use a 6 mm Allen key).
E
F
H
Akva Lux II TDP-F, Type 004U8089
Akva Lux II TDP-F, Type 004U8044
Cover for wall mounting
Cover for recess mounting
Fig. 2
Mount hexagon nipple A in the DHW controller seal with approved
sealing material, - i.e. hemp, tape, glue), and mount hexagon nipple
C and union nut D in hexagon nipple A (for tting of recirculation
pipe.
Fig. 3
Fit pipe bushing B in the DHW controller.
Fig. 4
Remove the existing capillary tube and union nut from bypass
thermostat and angle piece (do not re-use).
Fig. 5
Plug the hole in the angle piece with steel ball E and union nut F.
Fig. 6
Fit new capillary tube G in bypass thermostat by means of a cutting
ring H and a union nut F. Tighten with single end wrench.
Fig. 1 Fig. 2
Fig. 3 Fig. 4
Fig. 5 Fig. 6
Danfoss District Energy VI.IE.A1.5B DKDHR
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