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Danfoss District Energy
VI.HE.A1.02
DKDHR
Instructions for installation and use
Akva Lux II TDP-F
9.3 Installation instructions - recirculation connection - Circulation set 3 - 004U8403
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), and mount
hexagon nipple C and union nut D in hexagon nipple A (for fitting
of recirculation pipe.
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 G1 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. 1
Fig. 2
Akva Lux II TDP-F, Type 004U8264
A
B
F
H
E
G
D
C
G1
Fig. 3
Fig. 4
Fig. 5
Fig. 6
