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Dimplex LI 24TES Manual

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www.gdts.one 452161.66.22 · FD 9912 EN-5
LI 20TES - LI 28TES English
4.3 Thermal energy meter WMZ
4.3.1 General description
The thermal energy meter (WMZ 25/32) is used for measuring
the quantity of thermal energy supplied. It is available as an ac-
cessory. Due to the additional heat exchanger, two thermal en-
ergy meters are required for measuring the quantity of thermal
energy.
Sensors in the flow and return of the heat exchanger pipes and
an electronics module acquire the measured values and trans-
mit a signal to the heat pump manager, which, depending on
the current operating mode of the heat pump (heating/DHW/
swimming pool), totals the thermal energy in kWh and displays
them in the operating data and history menu.
NOTE
º
The thermal energy meter complies with the quality
requirements of the German market incentive programme
subsidising efficient heat pumps. The thermal energy meter is
not subject to obligatory calibration, and can thus not be used
for the heating cost billing procedure!
4.3.2 Hydraulic and electrical integration of
the thermal energy meter
The thermal energy meter requires two measuring devices for
data acquisition.
A measuring tube for the flow measurement
This must be installed in the heat pump flow (observe flow
direction).
A temperature sensor (copper pipe with immersion sleeve)
This must be installed in the heat pump return.
The installation locations for both measuring tubes should be
as close to the heat pump as possible in the generator circuit.
To avoid eddying effects which could lead to incorrect meas-
urements, there should be a gap of 50 cm between the meas-
uring devices and other installed components such as pumps
or valves.
5 Transport
ATTENTION!
!!
When transporting the heat pump, ensure that it is not tilted
more than 45° (in any direction).
Use a pallet for transporting the heat pump to the final installa-
tion location. The basic device can be transported with a lift
truck, hand truck or by means of 3/4" pipes fed through the
holes in the base plate or frame.
ATTENTION!
!
!
The heat pump and transport pallet are only joined by the
packing film.
Before using the transport holes in the frame, it is necessary to
remove the lower side panel assemblies. This is done by loosen-
ing each of the two screws at the base and then withdrawing
the panels by unhooking them from above. Rehang the panels
by gently pushing them in an upwards direction.
Be careful not to damage any components when inserting the
pipes through the frame.
After the transport, the transport securing device is to be re-
moved on either side at the bottom of the unit.
ATTENTION!
!
!
The transport securing device is to be removed prior to
commissioning.
Thermal energy meter casing - electronics
in the heating flow
in the heating return flow
Pulse, thermal energy meter
L / N / PE
230 V / 50 Hz
N1 / ID12
G/24 V AC
Opening the cover Closing the cover
3.
1.
1.
3.
2.
2.
2.
1.
1.
1.
Remove/screw in
transport lock
… 25 …


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