Publicité
Les langues disponibles
Les langues disponibles
6.3
When very short air ducts are used on the air outlet, the exterior
side of the wall opening must be fitted with a safety guard or an
air deflector grille suitable for preventing body parts (fingers or
arms, especially those of children) coming into contact with the
ventilator in the heat pump. Also ensure that the vibration isola-
tion and drainage facilities are adequate.
If flange-mounted air ducts are used, connecting stubs are se-
cured on the air inlet and air outlet sides with 4 M8 hexagon bolts
in the threaded holes provided (the hexagonal long nuts). When
doing this, ensure that both air duct stubs only touch the insula-
tion. There should be no contact with the external sheeting.
On the selected air outlet side (reposition one of the air duct cov-
ers if required) the pre-punched elements (ø 12) remaining in the
pre-cut insulation are to be removed. The hexagonal long nuts (4
in the accessories pack) are to be positioned in the pre-punched
holes and fixed with the screws (M8x16) provided from the inside
of the device.
6.3 Heating System Connection
The heating system connections on the heat pump have a 1¼"
external thread. Use a spanner to firmly grip the transitions when
connecting the heat pump.
This heat pump is also available with an optional second i.e. al-
ternative heating connection on the right side of the device.
These connections (1¼" thread) are closed with flat-sealing blind
caps at the factory. When the alternative connection is chosen,
these blind caps are to be mounted onto the standard connec-
tions.
Before connecting the heating water system to the heat pump,
the heating system must be flushed to remove any impurities,
residue from sealants, etc. Any accumulation of deposits in the
liquifier could cause the heat pump to completely break down.
For systems in which the heating water flow can be shut off via
the radiator or thermostat valves, an overflow valve must be in-
stalled in a heating bypass behind the heat pump by the cus-
tomer. This ensures a minimum heating water flow rate through
the heat pump and helps to avoid faults.
Once the heating system has been installed, it must be filled, de-
aerated and pressure-tested.
EN-6
All manuals and user guides at all-guides.com
Consideration must be given to the following when filling the sys-
tem:
Scale formation in hot water heating systems cannot be com-
pletely avoided, but in systems with flow temperatures below
60°C the problem can be disregarded.
With medium and high-temperature heat pumps, temperatures
above 60°C can be reached.
The following standard values should therefore be adhered to
concerning the filling water and make-up water (according to VDI
2035 Sheet 1):
Minimum heating water flow rate
The minimum heating water flow rate through the heat pump
must be assured in all operating states of the heating system.
This can be accomplished, for example, by installing a dual dif-
ferential pressureless manifold.
NOTE
The use of an overflow valve is only recommended for panel heating and
a max. heating water flow of 1.3 m³/h. System faults may result if this is
not observed.
Antifreeze
A method of manual drainage (see illustration) should be pro-
vided for heat pumps which are exposed to frost. The antifreeze
function of the heat pump controller is active whenever the con-
troller and the heat circulating pump are ready for operation. If
the heat pump is taken out of service or in the event of a power
failure, the system has to be drained. The heating circuit should
be operated with a suitable antifreeze if heat pump systems are
implemented in buildings where a power failure can not be de-
tected (holiday home).
6.4 Electrical Connection
The power supply and control voltage are supplied using stand-
ard cables (load: 5-core, control: 3-core).
For detailed instructions on how to connect the external compo-
nents and how the heat pump manager functions, please refer to
the device connection diagram and the operating manual sup-
plied with the manager.
Untreated filling water and make-up water must be of drink-
ing water quality
(colourless, clear, free from sediments)
Filling water and make-up water must be pre-filtered (pore
size max. 5µm).
Total alkaline earths
Total heat
in mol/m³ and/or
output in [kW]
mmol/l
≤
up to 200
2.0
≤
200 to 600
1.5
> 600
< 0.02
Total
hardness in dH
≤
11.2
≤
8.4
< 0.11
Publicité
Chapitres
