55
Danfoss District Energy
145X2085 / AQ428255318526en-010101 DKDHR
Instructions
Akva Lux II TDv
Reach
All products of the Akva Lux II TDv series comply with the provisions of
the REACH regulation.
We are therefore obliged to inform our customers about the presence
of substances according to the SVHC candidate list, if they are present.
We hereby inform you: This product contains brass parts containing lead
(CAS 7439-92-1) in a concentration above 1% (w/w)
.
Potential equalization / grounding
Equipotential bonding is understood as all measures for eliminating elec-
tri-cal potential differences (contact voltages), which can occur between
eg two pipelines. Equipotential bonding is an important measure for pro-
tec-tion against electric shock. Equipotential bonding reduces corrosion
in the heat exchanger, instantaneous water heaters, district heating sta-
tions and plumbing installations. Equipotential bonding should be in ac-
cordance with the provisions 60364-4-41: 2007 and IEC 60364-5-54: 2011.
Binding point is marked with a grounding symbol on the bottom right
corner of the mounting plate and there is a hole in the mounting plate
and a label with grounding symbol.
Disposal
The station consists of materials that must not be disposed of with
household waste. Disconnect the entire energy supply and disassem-
ble the product for disassembly and dispose of it in accordance with
local regulations.
Disposal
Dispose of the packaging in accordance with the local regulations for
disposal of used packaging materials.
The substation is made of materials that cannot be disposed of together
with household waste.
Close all energy sources and disconnect all connection pipes. Disconnect
and dismantle the product for disposal in accordance with the applicable
local regulations for the disposal of the individual components.
3.
PRODUCT INTRODUCTION
Application
Akva Lux II TDv is a fully insulated substation substation for direct heating and instan-
taneous domestic hot water for large singlefamily, houses. The Akva Lux II TDv is also
suitable for small apartment houses with 2-4 apartments.
Construction
The Akva Lux II TDv is prefabricated with a brazed, highly efficent Danfoss plate heat
exchanger type XB06H-1 26 or XB06H-1 40 for domestic hot water production, an energy-
saving domestic hot water controller Danfoss PTC2+P as well as a Danfoss FJVR thermostat
for control of the bypass/circulation temperature, non-return valve on the cold water
connection, differential pressure controller and strainer.
The Akva Lux II TDv is also equipped with a zone valve RA-C and thereby prepared for
fitting of a thermal actuator TWA-Q, which enables connection to an electronic
programmable room thermostat.
The substation is prepared for domestic hot water recirculation, if required.
A circulation set and a safety set is available as optional equipment.
Design
The design emphasizes the user-friendly placement of all components.
The Akva Lux II TDv supplied with an elegant insulation cover and can be supplied with
a white-lacquered cover in modern design.
Akva Lux II TDv units are prepared for merger with Danfoss distribution systems, mounted
underneath the unit, for use on DHW and heating systems with concealed pipe installations.
Heat exchanger for DHW heating
The substation is based on a brazed, highly efficient plate heat exchanger, which is
controlled by a thermostatic and pressure controlled PTC2+P DHW controller.
The Danfoss PTC2+P DHW controller with integrated differential pressure controller
and energy saving function ensures that the heat exchanger is cold during standby.
Bypass (thermostatic circulation)
The water heater is supplied with a thermostatically controlled bypass, which ensures
that hot water is produced immediately, when tapping starts. The bypass temperature
is set with due consideration of the best possible DHW comfort and economy. DHW
re-circulation can be easily added to the substation when it is required.
Domestic hot water recirculation
The substation is prepared for connection to systems with DHW recirculation. DHW
installations with recirculation ensures DHW at the tap site without waiting time and
without water waste. Switching to DHW recirculation is possible from a constructional
point of view, requiring only mounting of a separate circulation set (see options). The
circulation temperature is set independently of the set DHW temperature. This ensures
the best possible DHW comfort, very low standby losses and thus a very good district
heating economy.
Service and maintenance
The substation is very service-friendly and easy to install. It is mounted on the wall and as
all pipes are placed in pipe bracket distance, it is possible to establish a nice piping either
in the top or in the bottom of the substation.
