14 DKDHR
VI.GP.V2.02
Danfoss District Energy
Instructions
Akva Lux II VX
8.2 DHW recirculation Akva Lux II VX2 & Akva Lux II VX3
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.
8.2.1 Mounting of circulation set for Akva Lux II VX2 & VX3
Fig. 1. Mount the circulation set on the DCW inlet pipe in the bot-
tom of the substation. The pump must be installed so that
the pump is pumping water towards the substation.
Fig. 2. The circulation set is supplied loose, as illustrated in fig. 2a.
Assemble the circulation set as illustrated in fig. 2b, and re-
member to use packing yarn when packing the hexagon
nipple/non-return valve in the 5/4” pump union piece and
make sure that the arrow on the hexagon nipple/non-return
valve points upwards.
Fig. 3. Demount the safety valve (to be reused).
Fig. 4. Turn the T-piece 45°, as illustrated in fig. 4.
Fig. 5. Fit the circulation set to the T-piece.
Fig. 6. Remount safety valve on circulation set.
Connect the pump to the household electrical wiring. For
setting and venting of pump, please refer to page 33.
8.2.2 Mounting of circulation set Akva Lux II VX2-E and VX3-E
The circulation set is supplied assembled and electrically wired
and ready to be mounted on the DCW inlet pipe in the bottom of
the substation before start up. See photo on page 9 and 11.
Fig. 1
Fig. 2a
Fig. 2b
Fig. 3
Fig. 4
Fig. 5
Fig. 6
Akva Lux II VX2 with circulation set
Pack
Pack
