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Danfoss District Energy
VI.HE.A1.02
DKDHR
Instructions for installation and use
Akva Lux II TDP-F
9.1 Installation instructions - recirculation connection - Circulation set 1 - 004U8400
You must always fit a pump and a non-return valve to the recir-
culation pipe, with flow 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 (pack).
Fig. 3
Fit pipe bushing B in the DHW controller.
Fig. 4
Loosen union nuts and remove the existing capillary tube between
the bypass thermostat and the T-piece (as shown in fig. 4).
Fig. 5
Plug the hole with ball C and union nut D.
Fig. 6
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. 7
Fit circulation hose end G1 in hexagon nipple A (do not forget gas-
ket!), and fit the hose through the cut-out in the left side of the rear
insulation cover.
Fig. 8
Mount bracket H for recirculation connection on the mounting rail,
as shown, and fasten by means of two screws I.
Fig. 1
Fig. 2
Fig. 3
Fig. 4
F
A
D
C
G1
B
Akva Lux II TDP-F, Type 004U8264
Fig. 7
Fig. 8
Fig. 5
Fig. 6
G2
H
I
J
K
L
M
E1
E2
