Thermia ATEC Manuel technique
Thermia Värmepumpar is not liable or bound by warranty if these
instructions are not adhered to during installation or service.
The English language is used for the original instructions.
Other languages are a translation of the original instructions.
(Directive 2006/42/EC)
© Copyright Thermia Värmepumpar
Table of Contents Table of Contents
1 Transport, unpacking and positioning .................................................. 4
1.1 Transporting heat pump ........................................................ 4
1.2 Unpacking heat pump .......................................................... 4
1.3 Positioning the heat pump ....................................................... 4
2The heat pump .................................................................. 8
2.1 Dimensions and connections ...................................................... 8
2.2 Sound levels ................................................................ 10
3 System example ................................................................. 11
3.1 System example Atec Total ....................................................... 11
4 Piping installation ................................................................ 14
4.1 Water volume in heating system ................................................... 14
4.2 Minimum flow in the heating system ................................................ 14
4.3 Noise and vibrations ........................................................... 14
4.4 Maximum distance between indoor and outdoor units ..................................... 15
5 Electrical Installation .............................................................. 16
5.1 Cable connection ............................................................. 16
5.2 Positioning outdoor sensors ...................................................... 17
6 Technical data .................................................................. 18
6.1 Atec ...................................................................... 18
7 Checklist ...................................................................... 21
Planning guide Atec
Thermia Värmepumpar VIIFB102 3
1 Transport, unpacking and positioning
1.1 Transporting heat pump
Caution The heat pump must always be transported and stored standing and in a dry environment. If the heat pump is
laid on the incorrect side it may become seriously damaged as the oil in the compressor can run out in the
pressure pipe and therefore prevent normal function.
Caution Always secure the heat pump so that it cannot tip over during transportation.
1.2 Unpacking heat pump
1. Check that there is no transport damage.
2. Remove the packaging and check that the delivery contains the following components.
Quantity Name
1 Heat pump
1 Control unit
1 Document set
1 Package (1 x shut-off valve with filter, 1 x outdoor sensor)
1.3 Positioning the heat pump
The location of the outdoor unit is chosen so that neither the own living environment or adjoining properties are exposed to noise inter-
ference.
The device is, to advantage, placed in an environment with lush trees and shrubs with grass surface. Large hard asphalt surfaces and
stone or brick walls around the heat pump should be avoided since they effectively reflect the sound.
Avoid locating the outdoor unit:
▪close to windows or walls to bedrooms etc.
▪facing nearby neighbours.
▪in an inner corner of the building. It gives a very large effect on the direction of sound propagation.
N
Maximum distance between outdoor and indoor units is 15 metres with a pipe diameter of 28 mm. Thinner
pipes decreases the distance.
N
Adhere to national regulations regarding noise interference.
Planning guide Atec
VIIFB102 Thermia Värmepumpar
4
1.3.1 Heat pump foundation
1. The heat pump must be positioned outdoors on a stable base that can take the total weight of the heat pump, see Technical data.
2. Secure all four mounting points on a stable base, for example a cast foundation.
100 mm
~900 mm
b
c
a
7
5
4
3
6
18
2
Measurements 6-9 kW 11-13 kW 16-18 kW
1 450 mm 470 mm 710 mm
2 424 mm 480 mm 480 mm
3 618 mm 672 mm 857 mm
4 130 mm 190 mm 145 mm
5 61 mm 65 mm 65 mm
6 ~1,000 mm ~1,200 mm ~1300 mm
7 ~650 mm ~720 mm ~720 mm
8 Ø 65 mm Ø 65 mm Ø 65 mm
Position Description
a Drainage hole
b Foundation
c Gravel
Bolt size
6-9 kW 11-13 kW 16-18 kW
M10 (4x) M12 (4x) M12 (4x)
Caution A driptray is installed with the purpose of gathering and draining away melt water during defrosting. Connect
a hose or pipe along with a heat trace cable between the outlet of the drip tray and a drain or a free draining
piece of ground. The heat cable must be connected to the terminal provided and is necessary to prevent ice
blockage.
Caution Check with a spirit level that the heat pump is installed horizontally.
Caution Incorrect positioning of the heat pump risks reduction of performance.
Planning guide Atec
Thermia Värmepumpar VIIFB102 5
Caution The unit with water heater must be placed indoors, in an area with a floor drain.
Caution The unit with water heater must be placed indoors, on a stable surface. The floor must be able to support the
gross weight of the unit with filled water tank (see Technical data).
N
Avoid placing the heat pump near windows or walls to noise sensitive areas.
N
Ensure that there is sufficient distance to neighbouring properties so that they are not exposed to noise. Ap-
plicable local regulations must be followed.
N
The heat pump should not be enclosed.
N
Keep the heat pump and its immediate area free of snow, ice, leaves etc.
N
Remember that the heat pump must have a certain amount of space in order to function and for servicing.
Otherwise there is a risk that the air will recirculate from exhaust to intake. Avoid this by following the dimen-
sions given below.
>
5
00m
m
>
5
0
0
m
m
>1500 mm
>
400
m
m
>
500
mm
1.3.2 Lifting instructions
To lift the heat pump into position, unscrew the side plates by slackening off the screws (1).
Then use the side members behind the side panels to lift and position the heat pump.
Planning guide Atec
VIIFB102 Thermia Värmepumpar
6
1
Planning guide Atec
Thermia Värmepumpar VIIFB102 7
2 The heat pump
2.1 Dimensions and connections
4
3
6
5
7
1
2
Position Description 6-9 kW 11-13 kW 16-18 kW
1 Width 856 mm 1,016 mm 1,166 mm
2 Depth 510 mm 564 mm 570 mm
3 Distance from HP side to supply line pipe 251 mm 285 mm 366 mm
4 Height 1,272 mm 1,477 mm 1,557 mm
5 Height to supply line pipe, 28 mm Cu 155.5 mm
6 Height to return line pipe, 28 mm Cu 96.5 mm
7 Length max protruding pipe 30 mm
Planning guide Atec
VIIFB102 Thermia Värmepumpar
8
Control unit Atec Standard
600
380 204
1
1. Lead-in for supply, sensor and communication cables
Control unit Atec Plus
675
420 255
123
4
1. Supply line for heating system, 28 mm Cu
2. Supply line to water heater, 28 mm Cu
3. Supply line from heat pump, 28 mm Cu
4. Lead-in for supply, sensor and communication cables
Planning guide Atec
Thermia Värmepumpar VIIFB102 9
Control unitAtec Total
1845 ±10
596
455 690
1
2
3
45
125
210
330
6
7
89
10
1. Supply line heating system,28 mm Cu
2. Return line heating system,28 mm Cu
3. Connection for bleed valve,22 mm Cu
4. Hot water line,22 mm Cu
5. Cold water line,22 mm Cu
6. Lead-in for supply, sensor and communication cables
7. Supply or return line heat pump
8. Supply or return line heat pump
9. Extra knock-out
10. Safety valve for temperature and pressure (only applies to certain models)
Position 7 and 8 can be connected to either the left or right-hand side or at the
bottom of the control unit.
2.2 Sound levels
The instantaneous sound power in variable speed mode depends on meteorological conditions as well as on present heating demand.
For a heat pump sized according to common practice that operates on/off with 1h or less on cycle periods, the sound level will normally
not exceed the nominal at temperatures A7W30/35.
A weighted Sound Power Level, dB(A) ref. 1 pW
Heat pump size kW 6 9 11 13 16 18
Fan running at constant rpm according to the 'Silent mode' function Sound power, dB(A) 60.1 59.2 59.6 61.0 64.9 72.6
Fan running at the variable speed mode default rpm Sound power, dB(A) 61.3 61.0 61.0 62.4 67.0 76.3
Fan running at the variable speed mode maximum rpm Sound power, dB(A) 66.4 65.8 64.6 66.6 71.1 81.0
Tab. 1: Sound power levels according to ISO EN 3741 at A7W30/35
Planning guide Atec
VIIFB102 Thermia Värmepumpar
10
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3
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3
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