Aquarea DHW Series User manual
AQUAREA
----
----
DHW
PAW-DHWM 80-120
ZNT
Instructions
for
Use 3
Gebrauchsanwelsun 27
Istruzlonl rI'uso
51
Manual del Usuarlo ydellnstalador
75
Brugtaanvlsnln
9$
Bruksanvlsnln 123
Bruksanvlsnlng 141
2
WARNINGS!
&.
The
appliance
may
be
used
by
children
older
than
8years old,
elderly
persons
and
persons
with
physical,
sensory
or
mental
disabilities
or
lacking
experience
and
knowledge,
if
they
are
under
supervision
or
taught
about
safe
use
of
the
appliance
and
if
they
are aware
of
the
potential
dangers.
&.
Children
should
not
play
with
the
appliance
.
.&.
Children
should
not
clean
or
maintain
the
appliance
without
supervision.
&.
Always
transport
the
heat
pump
in
an
upright
position;
exceptionally,
it
may
be
tilted
by
35°
in
all
directions.
Be careful
not
to
damage
the
housing
or
the
vital
component
parts
of
the
heat
pump
during
transport.
&.
The heat
pump
is
not
intended
for
industrial
use
and
use
in
premises
where
corrosive
and
explosive
substances
are present.
&.,
The
connection
of
the
heat
pump
to
the
mains
should
be
performed
in
accordance
with
standards
for
electrical
appliances.
An
all-poles
disconnect
switch
s!lQuld
be
Installed
between
the
heat
pump
and
the
mains
in
accordance
with
the
national
installation
standards.
&.The heat
pump
should
not
be
in
operation
without
water
in
the
hot
water
tank,
because
of
danger
of
destruction
of
the
compressorl
&.The
installation
should
be
performed
in
accordance
with
the
valid
regulations
and
the
instructions
of
the
manufacturer.
It
should
be
performed
by
a
professionally
trained
,installation expert.
~
It
is
necessary
to
install
a
safety
valve
with
arated
pressure
to
the
inlet
pipe
of
the
heat
pump,
to
prevent
the
pressure
in
the
boiler
from
rising
for
more
than
0.1
MPa
(1
bar).
.&.
Water
may
drip
from
the
outlet
opening
of
the
safety
valve,
so
the
outlet
opening
should
be
set
to
atmospheric
pressure.
~
The
outlet
of
the
safety
valve
should
be
installed
facing
downwards
and in
a
non-fre~zing
area.
&.To ensure
proper
functioning
of
the
safety
valve,
the
user
should
perform
regular
controls
to
remove
limescale
and
make
sure
the
safety
valve
is
not
blocked
.
.&.
Do
not
install
a
stop
valve
between
the
heat
pump
and
the
safety
valve,
because
it
will
impair
the
functioning
of
the
safety
valve!
&.
Before
the
beginning
of
the
operation
two
90°
elbows
must
be
installed
to
the
top
of
the
appliance
(0125 mm),
each
facing
in
the
opposite
direction.
The
premises
must
be
properly
ventilated.
&.
The
elements
in
the
electronic
control
unit
are live even
after
pressing
the
off
field
(9)
on
the
heat
pump.
&.
If
you
disconnect
the
heat
pump
from
the
power
supply,
please
drain
any
water
from
the
pump
to
prevent
freezing.
&',Water
can be
drained
from
the
pump
through
the
boiler
inlet
pipe.
For
this
purpose
it
is
advisable
to
install
a
special
element
or
outlet
valve between
the
inlet
pipe
and
safety
valve.
&.\
Please
do
not
try
to
fix
any
defects
of
the
heat
pump
on
your
own.
Call
the
nearest
authorised
service
provider.
3
I
,
I
M
INTRODUCTION
Dear Customer,
Thank you for purchasing this Aquarea product. This heat pump for heating sanitary
water
is
one of the most advanced appliances
in
its class. Its material, design and
testing were made
in
compliance with related· applicable standards.
Power, capacity and safety systems were thoroughly tested. Tests were made
individually for each component part,
as
well as for the finished product, according to
international quality standards.
Please read these Instructions for Installation and Use carefully before use
in
order to
prevent eventual problems that may cause damage to the product.
Keep this Manual for future reference, as asource
of
information
on
the details of the
heat pump operation or its maintenance.
Ofcourse, you can always contact any of our experienced authorised servicing
technicians for occasional maintenance.
4
USE
This unit is designed for prod.uction
of
sanitary water in households and at premises
where daily consumption
of
hot water (40
QC)
does not exceed 150 Ito 250
I.
The
appliance must be connected to water supply mains and to the power supply grid.
The air intake and air exhaust may also be provided by designing the inlet and outlet
drain from and to the adjacent room.
In
case
of
installing the unit in aroom with abathtub
or
shower tub, take into account
the requirements defined
in
the IEC 60364-7-701 standard (VDE 0100, Teil 701). To
mount the unit on the wall, use special wall bolts with anominal diameter
of
minimum.
8mm and always mount the unit in an upright position. Make sure the mounting
location on the wall is adequately reinforced if the wall is not strong enough.
We
recommend leaving enough space between the floor and unit as to provide easy
access to the Mg anode (for maintenance or replacement purposes -Fig. 4).
If
not,
the unit will need to be dismounted from the wall before servicing.
The heat pump may not be used for purposes other than those defined in these
Instructions. The unit is not designed for industrial use
or
use
in
rooms where
corrosive
or
explosive substances are present.
The manufacturer shall not assume
any
liability for damages caused by incorrect
installation
or
misuse that are not in compliance with the Instructions for installation
and use.
The instructions for use are acomponent and important part
of
this product and must
be delivered to the customer. Read the warnings carefully, as they contain important
directions related to safety during operation, use and maintenance.
Keep these Instructions for later use.
The marking
of
the heat pump is stated on the nameplate located on the bottom side
of
the unit, between both inlet pipes for sanitary water.
Once the packaging is removed, check the contents. When in doubt, contact your
dealer. Never let children play with the packaging parts (clamping, plastic bags,
expanded polystyrol, etc.) -potential risk. Make sure to remove and dispose
of
the
packaging safely and in an environmentally friendly way.
STORAGE AND TRANSPORT
Store the heat pump in an upright position,
in
aclean and dry place.
5
I
THE PRINCIPLE OF OPERATION
The heat pump is
in
fact athermodynamic heat generator, drawing heat from alow
temperature level (e.g.: heat from the ambient air) to ahigher temperature level (e.g.:
hot sanitary water).
The heat drawn from the ambient air, along with the electric energy, generates
heating energy, which is available for heating the sanitary water.
D
1/3 Electric
energy
Evaporator Condenser
213
Heal from
ambient air Produced hot \
sanitary water
+SsoC
DIMENSIONS
Fig.
1:
Chart
of
energy flow through the heat pump unit
ABC*
C"
D*
D"
E*
E
**
PAW-DHWM80ZNT 1Hl7 345
100
175 100
230
G1/2 G
3/4
PAW-DHWM100ZNT 1342
490
100
175 100
230
G1/2 G3/4
PAW-DHWM120ZNT 1497
645
100
175
100
230
G1/2 G
3/4
* - DIN norm
** -NF norm
~
I
c-
Ol
~
~
't'c
<
ID
u u u
(
Fig.
2:
Connection and installation dimensions of the heat pump [mm]
6
h
TECHNICAL CHARACTERISTICS
Type
PAW-DHWM80ZNT
PAW-DHWM100zNT
PAW-DHWM12OZNT
Volume
[IJ
80
100 120
Rated pressure [MPa (bar)]
upt01,0(10)
Weight IFilled with water
[kgJ
58/138
62/162 68/188
Anti-corrosion protection
of
tank Enamelled I
MG
Anode I
Insulation thickness [mm] 40 -85
Degree of protection IP24
Max connected load
[W]
2350
Voltage 230 V
150
Hz
""._
..
Number and power of heating eiements
[W]
2 x 1000
Electricity protection [A] 16
Adjusted water temperature
[0G]
55
Maximum temperature (HP Iel. heater)
[0G]
55/75
Legionella control programme
[0G]
70
Temperature'range of installation
[0G]
2to 35
Operation zone -air
[0G]
-7
to 35 I
Refrigerating agent R134a
Quantity of coolant
[9J
540
'Heating time
A151
W10-55 [h:min] 4:40 5:40 6:40
'Energy
consumption during heating 0,99 1,19
1,41
A15/W10-55
[kWh]
Type
of
measured cycle of emissions MMM
--
'Energy
consumption in the selected cycle 2.04 2,05 2,08
of
emissions A
15/
W1
0-55
[kWhJ
"
..
-
.•
-----
'COP
OHW
in
the selected cycle of emissions 3,10 3,10 3,10
A151
W10-55
"Heating
time
A7
/W10-55 [h:min] 5:20 6:50
8:41
"Energy
'consumption during heating 1,12 1,43 1,78
A7/W10-55
.[kWhj
"Energy
consumption in the selected cycle 2,45 2,35
2,51
of
emissions A7 /
W1
0-55 [kWhj
"COP
OHW
in the selected cycle of emissions 2,65 2,63
2,61
A7/W10-55
Max quantity of usable water 90 130 142
(min40
0c)
[I]
Power
in
standby mode
'19
20
27
according to EN16147
[W]
Sound power ISound pressure at
1m
[dB(A)J
51
139,5
Air connections [mm/m] 0125 (,,150x70)
/15
Working Air Flow
[m
3
/h]
100-230
Max acceptable pressure drop in the pipeline 95
(volumetric flow rate of air 100 m3/h) [Pal
(.)
Heating
of
water to
55°C
at inlet air temperature
of
15
'C.
74% humidity and inlet temperature of water of
10
'C;
in
accordance with the EN16147 standard.
('0) Heating of water to 55
'c
at inlet air temperature
of
7'c, 89% humidity and inlet temperature of water
of
10°C;
in
accordance with the EN16147 standard.
7
I
IINSTALLATION OF THE HEAT PUMP
The heat pump can be used using the ambient air
or
air from other premises. The
heat pump must be installed
in
afrost-free room. When selecting aplace for
installation, particular attention should be paid that the selected air intake location
is
dust free, because dust has adverse effects on the heat pump performance. When
selecting the place
of
installation, pay attention to the solidity
of
the wall -can it take
the weight
of
the heat pump together with the weight
of
the water inside the boiler?
Take all the necessary precautions to prevent the operation noise and vibrations from
transferring through the walls to the premises where this would be disturbing
(bedrooms, rest areas). Do not install the heat pump and its air intake
in
premises
with other air consumption appliances (gas boilers, solid-fuel fireplaces, dust
extraction appliances etc.) During installation, please bear
in
mind the minimum
distances from the wall, ground and ceiling. The cOndensate outlet from the heat
pump
is
placed on the bottom left side
in
the form
of
aplastic tube with an external
diameter
of
018 mm. This tube should be connected to the external condensate
outlet pipe and led to the sewage system or acontainer. The quantity
of
condensate
depends on air temperature and humidity when the heat pump is
in
operation.
To prevent pressure depression
in
the
bUilding, fresh air must be regularly
supplied to the premises. The desired
rate
of
air exchange for aresidential
building
is
0.5. This means that the
entire quantity
of
air
in
the building
is
exchanged every two hours.
Connecting the heat pump to the same
pipeline as the kitchen extractor fan
or
taking air out
of
several smaller
apartments or suites is not allowed.
Fig.
3:
Ventilation
,
To minimize the transfer
of
noise and vibrations through walls into the premises
where this would be disturbing (bedrooms, rest areas), please take the following
measures:
-install flexible joints for hydraulic connections
-install aflexible tube for the pipeline
of
inlet/outlet air
-plan vibration insulation for wall openings
-plan noise dampers for inlet/outlet air
-pipelines for inlet/outlet air should be attached using noise dampers
-plan vibration insulation against the wall
8
a)
Operation
using
ambient
air
In
this type
of
operation, the device heats
domestic water using only the amount
of
energy generated by the air from the room
where the device is installed. The heat pump
must
be
installed
in
aventilated, frost-free
room, possibly
in
the vicinity
of
other heating
sources. For
optim~1
performance
of
the heat
pump, we recommend asufficiently large and
well ventilated room with the temperature
\\
ranging between
15°C
and 25 °C. It
is
vital
to
\
ensure sufficient intake
of
air
in
the room.
Elbows must be installed on the heat pump
and turned so that they prevent the mixing
of
air. Heat losses are greater
in
premises with
colder air.
If
the heat pump is installed
in
afrost-free
room and the temperature is under
7°C,
the
heat pump operates
in
the normal mode
of
operation.
fi
,
.~
<:;:;-"
~
..
/'
/'
::
..
--
..••
z.:·
..
..
~
'-. ,
\
\\
'0
,,*,26cm
,,*,26
cm
ID
uu u
fi
le
!
"*'
11iOcm
I
\\\Fig. 4: Minimum requirements
for the installation
of
HP
b)
Operation
using
air
from
ott1er
premises
In
this type
of
operation, the heat pump uses air from other premises via apipeline
system. It
is
advisable to insulate\the pipeline system to prevent the formation at
condensate. In case
of
using air from outside, the external part must be covered so
as to prevent the intrusion
of
dust
or
snow into the appliance.
Besides the drag
in
the pipes and elbows, the user should be aware that increased
drag also increases noise levels.
In
case
of
using air from outside, the user should adhere to the minimum diameter
of
the pipes 0125 mm or o150x70.
To make sure the operation
of
the pump
is
effective at all times, you can install
dampers to take air from the. premises and then return it either to the premises or
outside. If the temperature
of
air is under _7°C, heaters for the heating
of
domestir,
water are switched on. The heat pump operates
in
reserve mode.
9
I
L
I,v
xx
,, <,....-'
~
~
''\
~
XX
~
~
0D
00
00
)<)<
~
("/
)(~
xxDDI
PS<
Fig.
5:
Possible installation
of
aheat pump
PRESSURE LOSS IN CASE OF USING THE PIPELINE SYSTEM
In planning the pipeline system for the inlet and outlet
of
air to and from the heat
pump, the key element
is
to
take into account the aerodynamic character
of
the fan
which also causes the loss
of
static pressure.
Presentation of the diagram
of
aerodynamic characteristics for different speeds
of
the fan
The diagram (Diagram 1) includes aerodynamic characteristics
of
the operation
of
the fan. The top (purple) line represents the curve
of
air flow depending on the
pressure drop at maximum speed
of
the fan (100 %). The bottom (brown) line
represents the operation
of
the fan at minimum speed (40 %). The curves between
(60
%,
80 %) represent the aerodynamic characteristics at lowered revolutions
of
the
fan. The bottom (red) line that lies between points (0,0) and (340,50) represents the
internal drop
of
static pressure created by the evaporator alone, without overloading
the pipeline system. This pressure drop cannot be eliminated.
10
I "
180
lOO
140
120
100
80
'0
.
40
20H·-\..+H-+
r'
I
~
i
~
<
, +
r-j
-;
-10f!'Y,
t
+
~
..,..-80% i
, t
11
-60%
t .t
I
~
i·
I'
trj
j
r-~~.
I
t~
.
_.J
~
I
ft
..
4I
.[
I
'I
I
I ' .1I
iII
I ' t
I
Air
flow
[m'/h]
_ - Area ofmore efficient use -volumetric flow
of
air is higher here, which requires alower pressure
drop (channel system with minimum pressure drop). Fan is set to higher speeds.
_ - Operating area with anormal air flow with respect to the pressure drop and fan setting.
Diagram
1:
AerodynClmic characteristics
Air inlet and outlet pipeline system
When connecting the sanitary heat pump to
an
existing pipeline system, we use the
basic pipe elements that we connect into apipeline system for air inlet and outlet.
The air pipeline should consist of round pipes with
an
inner diameter of 0125 mm, or
rectangular pipes with across section
of
o150x70mm
:-ffi
\ \
\t
8.) b.)
d.) @e.)
~
~
~
g.) h.)
Co)
f.)
I.)
Fig.
6:
Schematic demonstration
of
the basic elements
in
apipeline system for inlet
and outlet
of
air
11
ICalculation of pressure drops
The values of total static pressure drop can
be
calculated by adding up the losses
from individual elements built into the air pipeline system and the internal static
pressure. The values of static pressure drops of individual elements (static pressure
drops of elements relate to the internal diameter 0125mm or .:J150x70mm) are shown
in
Table
no.
2.
Type of element Value of static pressure loss
a.) Spiral ribbed pipe Diagram 2
b.) Rectangular pipe [J150x70 mm Diagram 2(according to
DN
125)
c.) Rectangular elbow -horizontal 90° 5Pa
d.) Elbow 90° 4
Pa
e.) Angular reducer 0125 to o150x70 5
Pa
f.) Rectangular elbow -vertical 90° 5
Pa
g.) Elbow 45° 3
Pa
h.) Reducer 0125 to o150x70 3
Pa
i.) Flexible tube Diagram 2
j.) Air intake grid 25 Pa
Table no.
2:
Types of elements and corresponding pressure loss values
-Flexible pipe according to
DN
125
-Spiral ribbed pipe
DN
125
3
~
tI
I'
IiI
~.
i
j-
-
-1
-..
ji '
I1I
.1
r
2
l,
:
~
-0)-
I
E
..
,
!!:.
'f
Q. ' I
0
-:
I1
-:t
..
-.,-
';
-0
~
1II ,
:;]
11!I11
1/1
: I IrI!II
1/1.
~
,. i
+1:
D..
iI
;'
Ii
1"
.•
1- -
11
0
r-
-r
j
~
.
,J
tJI
50
70
90
110
130
150
170 190
Volumetric
air
flow
[m'/h]
Diagram
2:
Value of the static pressure drop for selected pipes
12
Number
of
Ap (Pa)
~Ap
(Pa)
elements
Rectangular elbow horizontal 90° 4520
Flexible tube (DN125) 13.5 1.85 25
(at 150 m3/h)
Air intake grid 125 25
Total:
70
Table
3:
Example
of
pressure drop calculation
Note:
As mentioned above, the total loss
of
static pressure, which can be calculated by
adding up the losses of individual elements built into the pipeline system, may not
exceed 95 Pa. If they do, the values
of
COP start dropping more dramatically.
DETERMINING THE FAN SETTING
When pressure drop is determined, select the mode
in
which the fan will operate.
This determines the speed
of
the fan. The mode is selected using Diagram no.
1,
which shows the aerodynamic characteristics
of
the fan depending on the air flow and
pressure drop
in
the pipeline*.
Note: a .
*Pressure drop in the pipeline -
in
diagram 1
thiS
is'marked as pressure difference,
Zone
of
operation
of
the
sanitary
heat
pump
On diagram 1there are two zones
of
operation
of
the sanitary heat pump among the
curves:
•The dark green zone represents the area
of
use with higher efficiency. The
volumetric air flow is higher
in
this zone, which requires alower pressure drop
(channel system version with minimum pressure drop).
•The light green zone represents the area
of
use with lower air flow
in
relation to the
pressure drop and fan setting.
Noise
Like the aerodynamic characteristics rise from the lowest
to
the highest, the noise
increases as well. Between the aerodynamic characteristics 80% and 100 %there
is
azone with increased noise.
Checking
the
calculation
of
pressure
drop
Determining the aerodynamic characteristics based on the calculation
of
pressure
drop while taking into account individual elements
of
the pipeline and air flow
is
an
iteration. Once the aerodynamic characteristic has been determined and set, we must
measure the air flow
in
the pipeline. If the air flow does not correspond to the
ventilation system, we select the next higher or lower aerodynamic characteristic that
corresponds to the ventilation system.
13
I
•Selecting the operating point of the fan for the ventilation system
When determining the speed of the fan, we must know the maximum air flow for
ventilation and pressure drop caused by the pipeline.
In
Diagram
1,
find the desired
air flow and draw avertical line, then draw ahorizontal line at the pressure drop that
you have calculated (based
on
the existing pipeline). Select the fan characteristic
curve that lies the closest to the point where the lines cross.
Example of selecting the aerodynamic characteristic
In
diagram 3at airflow of 150 m3/h draw avertical line. The pipeline represents
70
Pa
of
pressure drop, which
is
added to the below (red)
line".
Total pressure drop
is
thus 90 Pa. Draw ahorizontal line at the pressure drop
of
90
Pa. The point where the
lines meet lies
on
the curve that corresponds to 60% speed of the fan. This
is
the
standard setting of the fan that has also been preset by the manufacturer.
Note:
"Line,
represents the internal static pressure drop created by the evaporator.
-100l>
II
r
-~O%i
.~
I
_60%
r
I
-:-IIOY'
•
,I
.,
Air
flow
[m'lhl
Diagram
3:
Example
of
determining aerodynamic characteristic
L
14
CONNECTION TO WATER SUPPLY MAINS
Water inlet and outlet on the heat pump are marked
with.
colours. Cold water inlet
is
marked with blue, and warm water outlet
is
marked with red. The heat pump is
designed for connection to indoor water supply mains without using the relief valve if
the pressure
in
the supply mains
is
lower than 0.6 MPa (6 bar). If the pressure is
higher, arelief valve needs to
be
installed so as to provide that the pressure at the
inlet to the hot water tank does not exceed the nominal pressure.
Installing asafety valve
is
mandatory
in
order to assure safe operation. The valve
prevents an increase of the pressure
in
the boiler by any more than
0.1
MPa
(1
bar)
above the rated pressure. The outflow nozzle on the safety valve must have an outlet
into the atmosphere. To assure correct operation
of
the safety valve, the valve must
be regularly checked.
When checking the valve, push the lever
or
unscrew the nut
of
the valve (depending
on the type
of
the valve) and open the drain from the safety valve. Water must flow
from the valve nozzle, showing that the valve operation is faultless. During the
heating
of
water, the water pressure
in
the hot water tank
is
increased up to the level
preset
in
the safety valve. Since the system prevents backflow
of
water into the water
supply mains, water may be dripping from the outlet opening on the safety valve. The
dripping water may be drained via trap into the drains; the trap
is
mounted under the
safety valve. The outlet pipe, which is mounted under the safety valve, must
be
directed downwards,
in
aplace with atemperature above freezing.
If the installation does not allow draining
of
the water from the safety valve into the
drains, dripping can be avoided by installing an expansion vessel onto the heat pump
inlet pipe. The volume
of
the expansion vessel must be ca. 3%
of
the hot water tank
volume.
I
'-I
1 2
r----..,
I I
~~~-\
\ \
~
34
Ta
b
567
Fig.
7:
Closed (pressure) system
Legend:
1 - Pressure mixer taps
2 - Expansion tank
3 - Safety valve
a - Test valve
b - Non-return valve
4 - Funnel with outlet connection
5 - Checking fitting
Fig.
8:
Open (non-pressure) system
6 - Pressure reduction valve
7 - Closing valve
8 - Non-return valve
9 - Low pressure mixer tap
H - Cold water
T - Hot water
15
•CONNECTING THE HEAT PUMP TO THE POWER'SUPPLY NETWORK
Before connecting to the power supply
network, install apower supply cord
in
the heat pump, with amin. diameter of
1.5 mm2(H05VV-F
3G
1.5 mm2
).
To
do
this, remove the protective cover from the
heat pump. The cover
is
attached using
two screws (Fig. 9). Connecting the heat
pump to the power supply network must
take place
in
accordance with the
standards for electric appliances. To
comply with the national installation
regulations, an all poles disconnect
switch must be installed between the heat
pump and the power supply network.
Fig.
9:
Protective cover
T1
.,
,
,
I
I
1'2
T3
4
7
6
:
w---
---,
,
__
u
u_u
n
n_n
n>J
_.
I I
,
4!
t10
Fig. 10: Electrical circuit diagram
Legend:
T1-
Bar with sensors
T2
-Evaporator -temp. sensor
T3
-Air temperature sensor
1 - 4-way valve
2 - Compressor
4 - Fan
5 - Electric heating element
(2
x1000 W)
16
6 - Thermal cut-out
7 - Magnesium anode
8 - LCD touch screen
9 - Boiler -ground
10 -Housing -ground
HEAT PUMP OPERATION
The heat pump can be operated using
an
LCD touch screen (Fig. 11). If you press
anywhere
on
the screen, the screen lights
up.
When the screen is lit up, the operation
fields are active.
When the heat pump
is
connected to the water and power supply mains and the
boiler
is
filled with water, the heat pump
is
ready to be used. The heat pump heats
the water
in
the range
10°C
-55 °C. From
55°C
-75 °C the water is heated by
electrical heaters.
I
1
20
19
18 17
16
2
.3-t----l
__
~
....
,
4--1---'-
5
6
15
-I-==-I
.....
---r-14
..
.---4--13
12
11
78910
Fig.11: LCD touch screen
Legend:
1 - Signalization of the operation
of
solar
collectors"
2 - alternative source
of
heating turned
on
(heaters)
3 - Signalization of the operation
of
the oil
boiler"
4 - Indication, overview of operation
errors, entrance into the service menu
5 - Display and setup of temperature
in
°C
6 - Start and setup of the VACATION
programme
7 - Day of the week
(1
..
Monday, ..., 7
..
Sunday)
8 - Reducing the value
9 - Heat pump on/off switch
10-
Increasing the value
11
-TIMER start and setup
12 -Time setup and display
13
-Start-up
of
quick heating "TURBO"
14 -Indicator
of
the heating element
operation
15 -Start-up of heating to the maximum
temperature level
16 -Signalization of compressor
operation
17 -Signalization
of
anti-Iegionella
programme operation
18 -Warm water quantity display
19 -Signalization of defrosting
20 -Signalization
of
fan operation
** function
is
not used
in
versions
TC-ZNT
Starting/stopping
the
heat
pump
•To start the heat pump hold field no.
9.
When the appliance
is
switched on, the fan starts first and operates for one minute
(symbol no. 20 is displayed), Ifthe temperature of inlet air is appropriate, the
controlling unit switches
on
the compressor and the heat pump operates in normal
17
Imode (symbols 16 and
20
are displayed). The heat pump
is
on, the screenremains
unlit and inactive.
In
60 seconds after the last touch
of
the screen, the illumination and activity
of
the
screen are turned off, but that does not affect the operation
of
the heat pump.
Pressing anywhere on the screen re-activates the screen and its illumination.
Iftrying to start up at alower temperature, please see chapter "Operation at lower
temperatures".
•By holding field no.
9,
the heat pump
is
switched off. The appliance stops
functioning and the only field visible
on
the screen
is
field no. 9. (If you switch off
the heat pump for alonger period
of
time, the water must be drained from the pump
.if
there
is
any danger
of
freezing).
Power failure protection
In
case
of
power failure, the settings remain stored for up to 23 hours.
After restarting, the heat pump operates
in
the same mode it was operating
in
before
the power failure.
Operation at lower temperatures
When the appliance
is
switched on, the fan starts first and operates for one minute
(symbol no. 20 is displayed). If the temperature
of
inlet air
is
lower than -7 °C, the fan
is turned off. Domestic water
is
heated with heaters. The heat pump operates
in
the
reserve mode (symbol no. 14
is
displayed). The possibility
of
switching
to
normal
mode
is
checked every 2hours by sWitching on the fan for one minute. Ifthe
temperature
of
inlet air
is
higher than _7°C, the heat pump switches to normal mode
of
operation (symbols 16 and 20 are displayed). The heaters switch off. The heat
pump is on, the screen remains unlit and inactive.
At
lower air temperatures, the evaporator defrosting cycle
is
started
if
necessary.
Symbol no. 19 is displayed on the screen. The fields 2, 4,
6,
11, 13 and 15 remain
inactive. Defrosting takes place until the conditions for normal operation
of
the heat
pump are achieved.
After successful defrosting, the heat pump returns to normal operation (symbols 16
and 20 are displayed).
If defrosting
is
unsuccessful after two consecutive attempts, the controlling unit
displays an error message. Field no. 4starts flashing, accompanied by warning
beeps. By pressing field no. 4the warning beeps can be turned off. Error code E247
appears
in
field no. 12 and the pump switches automatically to heating with electric
heaters. The screen displays symbol no. 14. The error code can be deleted at any
time by pressing field no. 4. Field no. 12 resumes to displaying time.
Setting the clock and day of the week
•Hold field no. 12, until field no. 7shows aflashing number
of
the day of the week.
•By pressing +
or
-you can set the number
of
the day
of
the week
(1
-Monday, ...
,7
-Sunday).
•Press field no. 12 again (flashing hour setting
is
displayed). •
•By pressing +or -set the hour (by holding +
or
-you can speed up the setting).
•Press field no. 12 again.
•Flashing minute setting
is
displayed.
18 I
•By pressing +or -set the minutes (by holding +or -you can speed up the setting).
•The setting is stored when you press field no. 12, or when the field stops flashing.
Setting
the
temperature
•Press field no. 5(the set temperature starts blinking).
•By pressing +or -you can change the temperature setting from
10°C
to 75 °C
(preset to economic temperature
of
55°C).
•The setting is stored by pressing field
no.
5again, or when field
no.
5stops
flashing. After afew seconds, the display shows the actual temperature.
•
In
case of power failure, the last stored value is restored.
Switching
on
the
"TURBO"
mode
•If you need more warm water than the heat pump can heat up
in
ashort period
of
time, press field no. 13 (switches
on
the "TURBO" mode). The heat pump and
heater work simultaneously. The screen shows symbols no. 14, 16
in
20. When the
temperature reaches
55°C
the heat pump returns to the mode used before the
"TURBO" mode.
Switching
on
the
"HOT"
mode
•If you want to heat the water to the maximum temperature of 75 cC, press field no.
15. The heat pump will heat water to
55°C.
The screen displays symbols no. 16
in
20. When the temperature
in
the boiler reaches
55°C
the electric heater turns
on
to
heat the temperature up to
75
cC. The screen displays the symbol
no.
14. When the
temperature reaches
75°C
the heat pump returns
to
the mode used before the
"HOT" mode. '
Display
of
the
quantity
of
water
in
the
heat
pump
Field no. 18 shows the following
symbol:
0 -no warm water
~
-low quantity
of
warm water
I -high quantity of warm water
Setting
the
vacation
mode
In the vacation mode, you can set the number
of
days (maximally 100), when the
heat pump shall maintain the minimal temperature of water (approximately
10°C).
•Hold field no. 6for awhile (fields 5and 6start to flash).
•By pressing fields +or-you can set the number
of
vacation days shown
in
field no.
5.
•By pressing field no. 6again, or when field no. 6stops flashing, the set number
of
days
is
stored.
•If
yoLi
set the value to
0,
then the heat pump will resume its normal operating mode
after confirming the setting, and illumination of field
no.
6will turn off.
•After the set number of days has elapsed, the heat pump returns to the normal
mode and illumination of field no. 6turns off.
19
I
•Setting the TIMER mode
In
the TIMER operating mode, you can set the times when the heat pump will start
and stop. For each timer combination you can set up to three time periods
in
which
the heat pump will not heat the water.
a) Setting the timer combinations
•Hold field no.
11
for awhile (fields 7and
11
start to flash).
•By pressing fields +or -choose among three timer modes
of
operation:
-Timer mode
of
operation
of
the heat pump for the entire week (numbers 1-7 flash
in
field no. 7),
-Timer mode
of
operation
of
the heat pump for Monday to Friday and Saturday to
Sunday (numbers 1-5 and then 6and 7flash
in
field no. 7),
-Timer mode
of
operation
of
the heat pump for each day at atime (individual
numbers 1-7 flash
in
field no. 7).
•To set the time, press field no. 12.
•
On
the field no.
5,
the text 1OF appears and field no. 12 starts to blink.
•By pressing fields +or -set the time
of
shutdown.
•Press field no. 12 again.
•On the field no.
5,
the text
10N
appears and field no. 12 starts to blink.
•By pressing fields +
or
-set the time
of
start-up.
•By pressing field no.
12
again, you can use the above procedure to set the second
and third period.
•By pressing field no. 12 again,
or
when field no. 6stops flashing the set number
of
days
is
stored. Again, press field no. 12.
b) Activation, deactivation of timer
•By pressing field no. 11, you can activate the set timer mode.
•The heat pump heats the water
in
the ON periods (to the set temperature) and
in
the OFF periods, it does not heat the water.
•By pressing field no.
11
again, you can deactivate the set time mode
of
operation.
~ww:
~
OFF
~
:~Jml
_
OFF
lOF
ION
20F
20N
30F
Fig. 12: Time periods
Anti-Iegionella function
•Works only when the heat pump
is
switched on. When activated, symbol no. 17 is
displayed.
•Automatic activation: every 2weeks
of
operation
of
the heat pump, if the
temperature
of
water did not exceed 65
QC
for one straight our or more
in
the
previous two-week period.
•Anti-Iegionella pro'gramme can be activated manually by pressing field no. 15
(heating of water to the temperature
of
75
QC).
20
This manual suits for next models
3
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