Space-Ray SWH User manual

INSTALLATION MANUAL

LPHW Warm Air Heater

Model SWH

Content

1. General 3

1.1 Descripon 3

1.2 Funcon 3

1.3 Matching capacity of hot water boiler and SWH 3

1.4 Guarantee 3

2. Technical 3

2.1 Technical data 3

2.2 Dimensions 4

2.3 Operang parameters 4

2.4 Pre-check 4

3. Installaon 4

3.1 Suspension 4

3.2 Water connecons 5

4. Electrical connecon 5

4.1 230Vac Supply 5

4.2 General funconing of the unit 5

4.3 Connecng opons 5

4.3.1 Connecon with only a room thermostat 5

4.3.2 Connecon with room thermostat combined with contact thermostat 6

4.3.3 Connecon with contact thermostat 6

4.3.4 Combinaons with a 5 speed switch 6

4.4 Connecon with zone valve 6

5. Maintenance and operaon 7

5.1 Maintenance 7

5.2 Safe operaon 7

5.3 Frost damage 7

6. Water temperatures/air volumes 7

6.1 Example 8

6.2.1 Performance table SWH 110 9

6.2.2 Performance table SWH 115 10

6.2.3 Performance table SWH 120 11

6.2.4 Performance table SWH 230 12

6.2.5 Performance table SWH 235 13

6.2.6 Performance table SWH 245 14

6.2.7 Performance table SWH 350 15

6.2.8 Performance table SWH 365 16

6.2.9 Performance table SWH 380 17

1. General

This user’s guide is meant for the installer and if necessary

for the user. It’s a reference to operaon and installaon

of the SWH heater.



The SWH is an eecve in-direct red heater. The heat

exchanger consist of copper tubes and aluminium ns.

This is an approved design for an opmal heat exchange.

The grille has been designed to accomplish an opmal air

displacement at the lowest possible sound level.

With a 5-stage switch is it possible to reduce the air

output and noise level.



The SWH is essenally a radiator with a fan on the back.

When hot water is pumped through the radiator, and the

supply air fan is on, the heater will blow hot air.

The heater will give no heat when the supply air fan is

o, irrespecve if there is hot water running through the

radiator.

The heater requires a control (thermostat) to operate the

supply of hot water and to switch the supply air fan on/

o.

There are several opons for control, this will be described

later in this manual.

For a good air distribuon it’s always beer to choose 2 or

more heaters instead of a single heater. For example, it’s

beer to select two 30kW heaters, instead of one 60kW

heater.

1.3. Matching capacity of hot water boiler and SWH

In case the capacity of the boiler is higher than that of

the SWH, the boiler won’t be able to release all the heat

produced.

This will cause the boiler to go on and o. As a conse-

quence of this the installaon won’t be able to reach the

temperature demanded. For small installaons it is advis-

able to select a SWH which has an higher output than the

boiler itself.

1.4 Guarantee

Operaon and /or installaon of appliances not in accord-

ance with this manual will invalidate guarantee.

2 Technical

2.1 Technical data

The SWH is available in 8 models with capacies from 10

to 80 kW. The range of eight models is subdivided into 3

basic sizes.

The type number of the appliance starts with the housing

model (1, 2 and 3). See table2, for dimensions



SPECIFICATION GUIDE - SWH Series

Model SWH110 SWH115 SWH120 SWH230 SWH235 SWH245 SWH350 SWH365 SWH380

Maximum heat output* kW 9.59 12.05 15.99 18.70 22.71 31.73 39.52 44.61 62.98

Air volume m3/h 1,400 2,200 1,900 2,600 3,850 3,450 6,600 8,450 7,600

Throw Horizontal m 10 14 12 19 22 19 20 25 21

 3.5 5 4 6 7 6 7 8 7

Electrical supply V 230V 1 Phase N & E - 50Hz

Rated power W 79 164 153 175 310 326 450 561 563

Electrical current A 0.3 0.7 0.7 0.8 1.4 1.4 2.0 2.4 2.5

Sound level @ 5m dB(A) 50 59 58 51 61 60 62 58 56

Weight (incl water) kg 20 20 21 31 31 32 44 61 65

Water volume ltr 0.6 0.6 0.9 1.4 1.4 1.7 2.2 2.2 2.6

 ¾” 1”

Water coil pressure drop kPa 2 3 3 3 3 5 4 5 9

Minimum suspension height m 2.5

Table 1 - Technical data

2.2 Dimensions



Side View

160

Top View

Front View

DIMENSIONAL DATA - SWH, SWH-EC & SWH-LT Series

Model SWH 110 SWH 115 SWH 120 SWH 230 SWH 235 SWH 245 SWH 350 SWH 365 SWH 380

A505 679 834

B290 290 340 354

C40 43 40 43 40 43

D¾” 1”

E81 79.5 81 79.5 81 79.5

F87.5 75 87 74.5 89.5 77

G87.5 87 89.5

H90 135 190 78

M330 343 505 518 655 668

N34.5 -

O93 -



Working pressure: Max. 5 bar

Water temperature: Max. 100⁰C

Min. 4⁰C (risk of freezing)

Ambient temperature: Max. 40⁰C

Min. 4⁰C (risk of freezing)

Protecon grade: IP54

Note: Frost can cause the internal copper tubes in the

exchanger to burst, causing the exchanger to leak. This

is not covered bywarranty.

2.4. Pre-check

Before installing the heater, please check the heater

supplied is the same as ordered, and ensure it suits the

applicaon, supplies available (electrical, water etc.)

along with any local or naonal regulaons.

Aer installaon ensure that the appliance is safe and is

not a hazard for personnel and cannot cause, or be,

damage(d) by the contents within the space i.e moisture,

dust, inammable or corrosive gases, smoke and/or

combusble materials.

The competent installer must make sure that the heater

funcons correctly and must instruct the user about safe

operaon of the heater.



3.1 Suspension

The SWH is provided with 8 No M10 suspension points

on the side panels.

It is recommended that the specially designed canle-

ver brackets or the ceiling mounng-set are used when

mounng the heater.

Ensure that the heater is placed in a stable posion, and

that there is no tension on the water side connecons.

 The pipe connecons for water should

always be horizontal, to enable a drain/venng point to

be ed. The heater can be lted forward slightly, but

the heater may NOT hang askew.

Place the heater in such a manner that the return

connecon (cold water) is at the lowest point. It is

important to place the drain/venng point in the

pipework near the heater.

 Again the pipe connecons to the

heater should be horizontal, to enable drain/venng of

the internal tubes.

To avoid draughts place the heater high enough

NOTE



(minimum 2.5m). If necessary use our 4-way downow

plenum, use of a plenum will reduce the throw by a fac-

tor of 4. See Fig. 1.

The SWH outlet grille can easily be removed, rotated and

replaced, to direct the discharge air in any direcon.

Aenon: When replacing the grille, always use the

same screws (or screws of same length). A longer screw

could pierce the exchanger! See Fig.2.

Ensure that the heater discharge is not blocked, and the

supply air fan has no restricons. Make sure that there’s

sucient circulaon of air within the space without the

airstream being considered a draught.

Heaters xed to the wall should always blow in the

direcon of the cooler areas.



Connecons for hot water supply and return (2 x ¾” or

2 x 1”) are marked with a red and a blue scker. Red is

water supply and blue is water return.

Do not swap these connecons,as this will aect the

heat output.

The SWH is not provided with a vent/drain . This should

be ed as part of the pipework installaon and should

be as close to the heater connecons as possible.

Do not over ghten the pipework on the heater

connecons, this will result in leaks!

Warning: To prevent damage to the heater, hold the

water connecons with a wrench to avoid twisng the

welded parts of the connecons.

Do not apply

excessive force!

Internal welds may

break and cause leaks.



4.1 230Vac supply

The installaon must comply with all applicable local

and/or naonal standards.

There should be a suitable mains electrical isolator with

a main fuse.

There is an electrical diagram further on in this guide.

The supply is 230Vac (50 Hz) with earth.



The heater must be equipped with a 230V isolaon

switch or power plug. This switch should disconnect

liveand neutral (not earth) and have a minimum 3mm

contact opening. Switches or power plugs must be

accessible at all mes.



The SWH is simply described as a radiator with a fan at

the rear. If there is hot water owing through the

radiator, and the heater is on, the heater will blow warm

air. But when hot water is owing through the radiator

and the heater is o, the heater will not discharge warm

air.

If the fan is turned on, but the water supply is cold,

then ambient air will leave the heater, possibly causing

draughts. This should be prevented.

The installaon should have some form of control to

make turning on/o the hot water boiler and the

fan of the SWH separately, possible. The SWH and the

boiler are 2 separate systems. Both systems need to be

controlled.

There are several ways to do this. This is dependant upon

the applicaon and needs of the user.





This opon is only possible when there is a connuous

hot water supply. The hot water boiler should have its

own control.

550

300

min 250

Fig. 1

Fig. 2

WARNING!



The on/o room thermostat will operate the fan of

the SWH when there is a demand for heat. The fan will

blow air over the heat exchanger, if the water is hot the

heater will discharge warm air. If the water is cold the

heater will blow ambient air, this can be experienced as a

draught. See Fig. 3.

The boiler must be switched on/o separately. Therefore

a second room thermostat is required. See Fig. 4.



contact thermostat

This opon is applicable when the boiler is controlled by

its own thermostat and there is a connuous hot water

supply.



The on/o thermostat will operate when there is a

demand for heat. The contact thermostat will not close

unl the water has reached a pre-set temperature. In this

scenario, the fan of the SWH will blow warm air and will

prevent draughts. See Fig. 4.

The boiler must be turned on and o separately.



This opon is applied if the thermostat of the boiler is in

the same room as the SWH.



The contact thermostat will close if the water has

reached the pre-set temperature. In this scenario the

SWH will only discharge warm air. The boiler thermostat

will switch on the boiler. The boiler will pump hot water

around the system with the contact thermostat of the

SWH closing if the water is hot enough. The fan will blow

warm air into the space. See Fig. 5.

If the boiler is shut o by the boiler thermostat, the

water will cool down and the contact thermostat will

open (disconnect) causing the SWH fan to stop.



To reduce the noise level of the SWH, it is possible

to install an oponal 5 speed switch. This switch will

regulate the fan speed of the SWH.

Please note that if the fan speed is lower, the heat

discharge of the heater will be lower as well. This

guide contains tables (at the back) displaying heat

discharges at various fan speeds.

5 Speed switch with a room thermostat (Fig. 6)

5 Speed switch in combinaon with a room

thermostat and contact thermostat (Fig. 7)

5 Speed switch with contact thermostat (Fig. 8)



The zone valve is applied to the SWH when one

boiler is to heat several rooms, separately. In this

scenario the zone-valve will control the hot water

boiler and hot water supply to the SWH. Operaon



230V

Room Thermostat

Fig. 3

SWH Fan

motor

on/o

Thermostat

Contact Thermostat

SWH Fan

motor

230V

Fig. 4

230V

Contact Thermostat

Fig. 5

SWH Fan

motor

Room Thermostat

SWH Fan

motor

Fig. 6

5 Speed Switch

Contact

Thermostat

Room

Thermostat

SWH

Fan motor

Fig. 7

Contact Thermostat

SWH Fan

motor

Fig. 8

5 Speed Switch



can be summarized as follows:

• Heat demand is created through the room

thermostat.

• Room thermostat switches 230V and powers

the zone-valve, this will switch the boiler on.

• Boiler operates and hot water is produced.

• Contact Thermostat measures water

temperature. If water temperature is higher

than the temperature set, Contact thermostat

will supply power to the SWH. The fan will op-

erate. If an oponal 5 speed switch has been

ed, the current will rst be transformed to

the voltage desired, the fan will run faster/

slower.

• If temperature requested has been reached,

the room thermostat will open and break

power supply to the zone-valve; the boiler will

be shut o eventually.

• Contact thermostat measures a water

temperature that is lower than the

temperature set and will open the contact.

The fan will stop! (see Fig. 9).



Causion: Make sure that you have turned o the

power supply to the heater you are working on.

The heater must be earthed.

5.1 Maintenance

Especially in dusty spaces, it is important to clean the

heater regularly. If the heat exchanger is heavily covered

by dust, it will not displace the heat suciently. Use a

vacuum cleaner or compressed air taking care to avoid-

void damaging the heat exchanger ns.

Clean also the fan, guard and air outlet grille.



The heater is controlled by the room thermostat and/or

the 5 speed switch if there is one present. There are no

controls on the heater itself.

Depending on the installaon, the user can make

following sengs:

• Control main or isolaon switch

• Turn up and down room thermostat

• Turn up and down contact thermostat

• Change fan speed with 5-stage switch

Adjusng direcon of the air outlets is not normally a

user acon, this is done by the installer.

5.3 Frost damage

ATTENTION: Frost damage!

Do not set the room thermostat lower than 5°C.

Freezing of the exchanger or the tubes, will cause

irreparable damage to the heater. A constant supply of

hot water from the boiler must be ensured. Frost

damage will void warranty claims!

6. Water temperatures/ air volumes

The performance tables shows heater capacies in KW

under dierent condions. These condions may be:

• Water temperature, for example 90/70°C

• Air inlet temperature (at the fan)

• Air volume. When the 5 speed switch is applied,

the power supplied (voltage) is relevant.

In addion, the following informaon can be obtained

from the perfomance tables:

• Output (kW)

• Air volume (m3/h)

• Noise level (dB)

• Discharge temperature (°C)

• Water ow (m3/h)

• Water pressure loss/water-sided dierenal

pressure (kPa)

5 Speed Switch

SWH

Fan motor

Contact

Thermostat

Room

Thermostat

Zone Valve

On/o contacts to

central heang

Fig. 9

Cauon!

ATTENTION!

6.1 Example

What is the output of a SWH 230 with a water supply

temperature of 80/60 °C, with an air temperature of 10°C

with the 5 speed switch is set to 3?

Look in the SWH 230 performance sheet, select 80/60°C

water temp and the row for air temp 10°C. Follow this

row unl it intersects with the kW column shown in the

speed 3 secon.

This gure should read 21.0.

21kW is the answer!





Water Air

Temp OC Temp OCkW Temp OCm

3/h kPa kW Temp OCm

3/h kPa

-10 11.4 15.5 1.00 7.0 10.8 16.4 0.94 6.0 10.2 17.3 0.89 5.0 8.8 19.6 0.77 4.0 6.9 23.5 0.60 3.0

0 9.1 21.2 0.80 4.0 8.7 21.9 0.76 4.0 8.2 22.7 0.71 4.0 7.1 24.6 0.62 3.0 5.5 27.8 0.48 2.0

5 8.1 24.0 0.70 4.0 7.6 24.6 0.67 3.0 7.2 25.4 0.63 3.0 6.2 27.1 0.54 2.0 4.9 30.0 0.42 1.0

10 7.0 26.8 0.61 3.0 6.6 27.3 0.58 2.0 6.2 28.0 0.54 2.0 5.4 29.5 0.47 2.0 4.2 32.1 0.37 1.0

15 5.9 29.5 0.52 2.0 5.6 30.0 0.49 2.0 5.3 30.6 0.46 2.0 4.6 31.9 0.40 1.0 3.6 34.1 0.31 1.0

18 5.3 31.1 0.46 2.0 5.0 31.6 0.44 1.0 4.8 32.1 0.41 1.0 4.1 33.3 0.36 1.0 3.2 35.4 0.28 1.0

20 4.9 32.2 0.43 1.0 4.7 32.7 0.41 1.0 4.4 33.1 0.38 1.0 3.8 34.3 0.33 1.0 3.0 36.2 0.26 1.0

-10 10.5 13.4 0.46 2.0 10.0 14.2 0.43 1.0 9.4 15.2 0.41 1.0 8.2 17.4 0.36 1.0 6.4 21.3 0.28 1.0

0 8.3 19.1 0.36 1.0 7.9 19.8 0.34 1.0 7.4 20.6 0.32 1.0 6.5 22.4 0.28 1.0 5.1 25.7 0.22 1.0

5 7.2 22.0 0.31 1.0 6.8 22.6 0.30 1.0 6.4 23.3 0.28 1.0 5.6 24.9 0.25 1.0 4.4 27.8 0.19 1.0

10 6.1 24.7 0.27 1.0 5.8 25.3 0.25 1.0 5.5 25.9 0.24 1.0 4.8 27.3 0.21 1.0 3.8 29.9 0.17 1.0

15 5.1 27.5 0.22 1.0 4.9 27.9 0.21 1.0 4.6 28.5 0.20 1.0 4.1 29.7 0.18 1.0 3.2 31.9 0.14 1.0

18 4.5 29.1 0.20 1.0 4.3 29.5 0.19 1.0 4.1 30.0 0.18 1.0 3.5 31.1 0.15 1.0 2.8 33.1 0.12 1.0

20 4.1 30.2 0.18 1.0 3.9 30.6 0.17 1.0 3.7 31.0 0.16 1.0 3.2 32.1 0.14 1.0 2.6 33.9 0.11 1.0

-10 12.7 18.4 0.56 2.0 12.1 19.4 0.53 2.0 11.4 20.5 0.50 2.0 9.9 23.2 0.43 1.0 7.7 27.7 0.34 1.0

0 10.4 24.2 0.46 2.0 9.9 25.0 0.43 1.0 9.4 26.0 0.41 1.0 8.1 28.3 0.36 1.0 6.4 32.2 0.28 1.0

5 9.3 27.0 0.41 1.0 8.9 27.8 0.39 1.0 8.4 28.7 0.37 1.0 7.3 30.7 0.32 1.0 5.7 34.3 0.25 1.0

10 8.2 29.8 0.36 1.0 7.8 30.5 0.34 1.0 7.4 31.3 0.32 1.0 6.4 33.2 0.28 1.0 5.1 36.5 0.22 1.0

15 7.2 32.6 0.31 1.0 6.8 33.2 0.30 1.0 6.5 33.9 0.28 1.0 5.6 35.6 0.25 1.0 4.4 38.5 0.19 1.0

18 6.6 34.2 0.29 1.0 6.3 34.8 0.27 1.0 5.9 35.5 0.26 1.0 5.1 37.0 0.22 1.0 4.1 39.8 0.18 1.0

20 6.2 35.3 0.27 1.0 5.9 35.9 0.26 1.0 5.5 36.5 0.24 1.0 4.8 38.0 0.21 1.0 3.8 40.6 0.17 1.0

-10 15.0 23.4 0.66 3.0 14.2 24.6 0.62 3.0 13.4 25.9 0.59 2.0 11.6 28.9 0.51 2.0 9.1 34.1 0.40 1.0

0 12.6 29.2 0.55 2.0 12.0 30.2 0.53 2.0 11.3 31.4 0.50 2.0 9.8 34.0 0.43 1.0 7.6 38.6 0.34 1.0

5 11.5 32.1 0.50 2.0 10.9 33.0 0.48 2.0 10.3 34.1 0.45 1.0 8.9 36.5 0.39 1.0 7.0 40.8 0.31 1.0

10 10.4 34.9 0.46 1.0 9.8 35.8 0.43 1.0 9.3 36.7 0.41 1.0 8.1 39.0 0.35 1.0 6.3 43.0 0.28 1.0

15 9.3 37.7 0.41 1.0 8.8 38.5 0.39 1.0 8.3 39.4 0.37 1.0 7.2 41.5 0.32 1.0 5.6 45.1 0.25 1.0

18 8.7 39.4 0.38 1.0 8.2 40.1 0.36 1.0 7.7 41.0 0.34 1.0 6.7 42.9 0.30 1.0 5.3 46.3 0.23 1.0

20 8.2 40.5 0.36 1.0 7.8 41.2 0.34 1.0 7.4 42.0 0.32 1.0 6.4 43.9 0.28 1.0 5.0 47.2 0.22 1.0

-10 17.2 28.4 0.76 4.0 16.3 29.7 0.72 3.0 15.4 31.1 0.7 3.0 13.3 34.6 0.59 2.0 10.4 40.5 0.46 1.0

0 14.8 34.2 0.65 3.0 14.0 35.4 0.62 3.0 13.2 36.7 0.6 2.0 11.4 39.8 0.50 2.0 8.9 45.0 0.39 1.0

5 13.6 37.1 0.60 2.0 12.9 38.2 0.57 2.0 12.2 39.4 0.5 2.0 10.5 42.3 0.46 2.0 8.2 47.2 0.36 1.0

10 12.5 40.0 0.55 2.0 11.8 41.0 0.52 2.0 11.1 42.1 0.5 2.0 9.7 44.8 0.43 1.0 7.5 49.4 0.33 1.0

15 11.4 42.8 0.50 2.0 10.8 43.8 0.48 2.0 10.2 44.8 0.5 1.0 8.8 47.3 0.39 1.0 6.9 51.6 0.30 1.0

18 10.7 44.5 0.47 2.0 10.2 45.4 0.45 1.0 9.6 46.4 0.4 1.0 8.3 48.8 0.37 1.0 6.5 52.8 0.28 1.0

20 10.3 45.6 0.45 1.0 9.8 46.5 0.43 1.0 9.2 47.4 0.4 1.0 8.0 49.8 0.35 1.0 6.2 53.7 0.27 1.0

Sound level

V2012

90/70

Speed 2 - 140V

800m3/h

37dB(A)

Air Water

Speed 4 - 180V

1,100m3/h

44dB(A)

Air Water

Speed 3 - 180V

1,000m3/h

41dB(A)

Air Water

Model SWH 110

55/45

60/40

70/50

80/60

Speed 1 - 120V

550m3/h

33dB(A)

Air WaterAir Water

50dB(A)

1,200m3/h

Speed 5 - 230V

Air volume

6.2.1 Perfomance table SWH 110



6.2.2 Perfomance table SWH 115

Water Air

Temp OC Temp OCkW Temp OCm

3/h kPa kW Temp OCm

3/h kPa

-10 14.9 11.0 1.30 9.0 13.0 13.3 1.14 7.0 12.0 14.7 1.04 7.0 10.2 17.3 0.89 5.0 8.1 21.0 0.71 4.0

0 12.0 17.5 1.04 7.0 10.4 19.4 0.91 6.0 9.6 20.5 0.84 5.0 8.2 22.7 0.71 4.0 6.5 25.7 0.56 2.0

5 10.5 20.7 0.92 6.0 9.2 22.4 0.80 5.0 8.4 23.4 0.74 4.0 7.2 25.4 0.63 3.0 5.7 28.1 0.50 2.0

10 9.1 23.8 0.79 4.0 8.0 25.3 0.70 3.0 7.3 26.2 0.64 3.0 6.2 28.0 0.54 2.0 5.0 30.4 0.43 1.0

15 7.7 27.0 0.67 3.0 6.8 28.3 0.59 3.0 6.2 29.1 0.54 2.0 5.3 30.6 0.46 2.0 4.2 32.7 0.37 1.0

18 6.9 28.8 0.60 3.0 6.1 30.0 0.53 2.0 5.6 30.7 0.49 2.0 4.8 32.1 0.41 1.0 3.8 34.1 0.33 1.0

20 6.4 30.1 0.56 2.0 5.6 31.2 0.49 2.0 5.2 31.8 0.45 2.0 4.4 33.1 0.38 1.0 3.5 34.9 0.31 1.0

-10 13.6 9.2 0.59 3.0 11.9 11.3 0.52 2.0 11.0 12.7 0.48 2.0 9.4 15.2 0.41 1.0 7.5 18.8 0.33 1.0

0 10.7 15.6 0.47 2.0 9.4 17.4 0.41 1.0 8.7 18.5 0.38 1.0 7.4 20.6 0.32 1.0 5.9 23.6 0.26 1.0

5 9.3 18.8 0.40 1.0 8.2 20.4 0.36 1.0 7.5 21.4 0.33 1.0 6.4 23.3 0.28 1.0 5.2 25.9 0.23 1.0

10 7.9 22.0 0.34 1.0 7.0 23.4 0.30 1.0 6.4 24.2 0.28 1.0 5.5 25.9 0.24 1.0 4.4 28.2 0.19 1.0

15 6.6 25.1 0.29 1.0 5.8 26.3 0.25 1.0 5.3 27.0 0.23 1.0 4.6 28.5 0.20 1.0 3.7 30.5 0.16 1.0

18 5.8 27.0 0.25 1.0 5.1 28.0 0.22 1.0 4.7 28.7 0.20 1.0 4.0 30.0 0.18 1.0 3.3 31.8 0.14 1.0

20 5.2 28.2 0.23 1.0 4.6 29.2 0.20 1.0 4.3 29.8 0.19 1.0 3.7 31.0 0.16 1.0 3.0 32.7 0.13 1.0

-10 16.6 13.3 0.72 4.0 14.5 15.9 0.63 3.0 13.4 17.5 0.58 2.0 11.4 20.5 0.50 2.0 9.1 24.8 0.40 1.0

0 13.6 19.9 0.59 3.0 11.9 22.0 0.52 2.0 10.9 23.4 0.48 2.0 9.4 26.0 0.41 1.0 7.5 29.6 0.33 1.0

5 12.1 23.1 0.53 2.0 10.6 25.1 0.47 2.0 9.8 26.3 0.43 1.0 8.4 28.7 0.37 1.0 6.7 32.0 0.29 1.0

10 10.7 26.3 0.47 2.0 9.4 28.1 0.41 1.0 8.7 29.2 0.38 1.0 7.4 31.3 0.32 1.0 5.9 34.4 0.26 1.0

15 9.3 29.4 0.41 1.0 8.2 31.0 0.36 1.0 7.5 32.0 0.33 1.0 6.5 33.9 0.28 1.0 5.2 36.7 0.23 1.0

18 8.5 31.3 0.37 1.0 7.5 32.8 0.33 1.0 6.9 33.7 0.30 1.0 5.9 35.5 0.26 1.0 4.7 38.0 0.21 1.0

20 8.0 32.5 0.35 1.0 7.0 33.9 0.31 1.0 6.5 34.8 0.28 1.0 5.5 36.5 0.24 1.0 4.4 38.9 0.19 1.0

-10 19.5 17.5 0.86 5.0 17.1 20.5 0.75 4.0 15.7 22.4 0.69 3.0 13.4 25.9 0.59 2.0 10.6 30.7 0.47 2.0

0 16.4 24.1 0.72 4.0 14.4 26.7 0.63 3.0 13.2 28.3 0.58 2.0 11.3 31.4 0.50 2.0 9.0 35.7 0.39 1.0

5 15.0 27.3 0.66 3.0 13.1 29.7 0.58 2.0 12.0 31.2 0.53 2.0 10.3 34.1 0.45 1.0 8.2 38.0 0.36 1.0

10 13.5 30.5 0.59 2.0 11.8 32.7 0.52 2.0 10.9 34.1 0.48 2.0 9.3 36.7 0.41 1.0 7.4 40.4 0.32 1.0

15 12.1 33.7 0.53 2.0 10.6 35.7 0.47 2.0 9.7 37.0 0.43 1.0 8.3 39.4 0.37 1.0 6.6 42.7 0.29 1.0

18 11.3 35.6 0.49 2.0 9.9 37.5 0.43 1.0 9.1 38.7 0.40 1.0 7.7 41.0 0.34 1.0 6.2 44.1 0.27 1.0

20 10.7 36.8 0.47 2.0 9.4 38.7 0.41 1.0 8.6 39.8 0.38 1.0 7.4 42.0 0.32 1.0 5.9 45.1 0.26 1.0

-10 22.4 21.6 0.99 6.0 19.6 25.0 0.86 5.0 18.0 27.2 0.79 4.0 15.4 31.1 0.68 3.0 12.2 36.7 0.54 2.0

0 19.3 28.3 0.85 5.0 16.9 31.3 0.74 4.0 15.5 33.2 0.68 3.0 13.2 36.7 0.58 2.0 10.5 41.6 0.46 1.0

5 17.8 31.5 0.78 4.0 15.5 34.4 0.68 3.0 14.3 36.1 0.63 3.0 12.2 39.4 0.54 2.0 9.7 44.1 0.43 1.0

10 16.3 34.8 0.72 3.0 14.2 37.4 0.63 3.0 13.1 39.0 0.58 2.0 11.1 42.1 0.49 2.0 8.9 46.5 0.39 1.0

15 14.9 37.9 0.65 3.0 13.0 40.4 0.57 2.0 11.9 41.9 0.53 2.0 10.2 44.8 0.45 1.0 8.1 48.8 0.36 1.0

18 14.0 39.8 0.62 3.0 12.2 42.2 0.54 2.0 11.2 43.6 0.50 2.0 10.0 46.4 0.42 1.0 7.6 50.2 0.33 1.0

20 13.4 41.1 0.59 2.0 11.7 43.4 0.52 2.0 10.8 44.8 0.48 2.0 9.2 47.4 0.40 1.0 7.3 51.2 0.32 1.0

Sound level

V2012

90/70

Speed 2 - 140V

1,000m3/h

40dB(A)

Air Water

Speed 4 - 180V

1,500m3/h

54dB(A)

Air Water

Speed 3 - 180V

1,300m3/h

46dB(A)

Air Water

Model SWH 115

55/45

60/40

70/50

80/60

Speed 1 - 120V

700m3/h

34dB(A)

Air WaterAir Water

59dB(A)

1,900m3/h

Speed 5 - 230V

Air volume

This manual suits for next models

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