Manual Dimplex SI 18 TU (page 30 of 76) (English, German, French)

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EN-10 452235.66.22a · FD 0106 www.glendimplex.de

English SI 6TU - SI 18TU

12 Device Information

1 Type and order code SI 6TU SI 8TU SI 11TU

2 Design

2.1 Model Universal Universal Universal

2.2 controller Intern Intern Intern

2.3 Thermal energy metering Integreated Integreated Integreated

2.4 Installation location / degree of protection according to EN 60 529 Indoors / IP 21 Indoors / IP 21 Indoors / IP 21

2.5 Performance levels 111

3 Operating limits

3.1 Heating water flow 1°C

1. If necessary, the operating range can be extended to a brine inlet temperature of -10 °C. In this case, the minimum brine concentration must be adjusted to 30%. (Freezing

temperature -17 C°). At brine inlet temperatures of -10 °C to -5 °C, flow temperature rising from 55 °C to 62 °C.

20 to 62 ± 20 to 62 ±2 20 to 62 ±2

3.2 Brine (heat source) °C

Antifreeze

Minimum brine concentration (-13 °C freezing temperature)1

-51 to +252

Monoethyleneglycol

25 %1

2. Operation is possible at brine inlet temperatures of up to + 35 °C. At brine inlet temperatures of +25 °C to +35 °C, flow temperature falling from 62 °C to 55 °C.

4 Performance data / flow rate 3

3. These data indicate the size and capacity of the system according to EN 14511. For an analysis of the economic and energy efficiency of the system, the bivalence point and

controller should be taken into consideration. The specified values have the following meaning, e.g. B0/W35: Heat source temperature 0 °C and heating water flow temperature

55 °C. These specifications can only be achieved with clean heat exchangers. Information on maintenance, start-up and operation can be found in the respective sections of

the installation and operating instructions.

4.1 Heating water flow rate at internal pressure differential

max. (EN14511) m³/h / Pa

minimal m³/h / Pa

1.05 / 5300

0.55 / 1500

1.4 / 7700

0.7 / 1900

1.9 / 10500

0.9 / 2400

4.2 Heat output / COP EN 14511 EN 14511 EN 14511

at B-5 / W45 kW / --- 5.0 / 3.1 6.5 / 3.2 9.1 / 3.2

at B0 / W55 kW / --- 5.5 / 2.8 7.2 / 2.8 10.0 / 2.9

at B0 / W45 kW / --- 5.8 / 3.6 7.5 / 3,6 10.4 / 3.7

at B0 / W35 kW / --- 6.1 / 4.7 8.1 / 4.8 10.9 / 4.9

4.3 Sound power level to EN 12102 4dB(A) 46 46 47

4.4 Sound pressure level at a distance of 1 m 4 5dB(A)

4. The specified sound levels apply if the supporting feet (available as an option) are not used. If the supporting feet are used, the level can increase by up to 3db (A).

5. The specified sound pressure level corresponds to the operating noise of the heat pump in heating operation with a flow temperature of 35°C. The specified sound pressure

level represents the free sound area level. The measured value can deviate by up to 16 dB(A), depending on the installation location.

34 34 35

4.5 Brine flow with internal pressure differential heat source m³/h / Pa 1.45 / 8700 1.9 / 11000 2.6 / 14000

5 Dimensions, connections and weight

5.1 Device dimensions without connections6H x W x L cm

6. Note that additional space is required for pipe connections, operation and maintenance.

840 x 650 x 555 840 x 650 x 555 840 x 650 x 555

5.2 Device connections for heating system Inches G 1 1/4“ AG7

7. Flat-sealing

5.3 Device connections for heat source Inches G 1 1/4“ AG7

5.4 Weight of the transportable unit(s) incl. packaging kg 119 128 134

5.5 Refrigerant; total filling weight type / kg R410A / 2.5 R410A / 2.9 R410A / 3.3

5.6 GWP value / CO2 equivalent --- / t 2088 / 5 2088 / 6 2088 / 7

5.7 Refrigeration circuit hermetically sealed yes yes yes

5.8 Lubricant; total filling quantity type / litres Polyolester

(POE) / 0.7

Polyolester

(POE) / 1.2

Polyolester

(POE) / 1.2

6 Electrical connection

6.1 Supply voltage / fuse protection V / A 3~ / PE 400V (50Hz) / C10A

6.2 Control voltage / fuse protection V / A 1~ / N / PE 230V (50Hz) / C13A

6.3 Nominal power consumption

B0 / W35 / max. power consumption 3kW 1.30 / 2.6 1.67 / 3.2 2.22 / 4.3

6.4 Starting current with soft starter A 28 (without

soft starter) 17 20

6.5 Nominal current B0 / W35 / cos A / --- 2.35 / 0.8 3.01 / 0.8 4.01 / 0.8

7 Complies with the European safety regulations 8

8. See CE declaration of conformity

8 8

8 Additional model features

8.1 Heating water in device protected against freezing9

9. The heat circulating pump and the heat pump manager must always be ready for operation.

Yes Yes Yes

8.2 Max. operating overpressure (heat source/heat sink) bar 3.0 3.0 3.0

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