GENERAL

8 SEALED SYSTEM REQUIREMENTS - continued

Safety valve setting

 

3.0 bar

 

 

 

2.5 bar

 

2.0 bar

 

Vessel charge and initial

0.5

1.0

1.5

 

0.5

1.0

1.5

0.5

1.0

system pressure

bar

bar

bar

 

bar

bar

bar

bar

bar

Total water content of system

 

 

 

Expansion vessel volume litres

 

 

litres

 

 

 

 

 

 

 

 

 

25

50

75

100

125

150

175

200

225

250

275

300

Multiplying factors for other system volumes

2.1

2.7

3.9

4.2

5.4

7.8

6.3

8.2

11.7

8.3

10.9

15.6

10.4

13.6

19.5

12.5

16.3

23.4

14.6

19.1

27.3

16.7

21.8

31.2

18.7

24.5

35.1

20.8

27.2

39.0

22.9

30.0

42.9

25.0

32.7

46.8

0.0833

0.109

0.156

2.3

3.3

5.9

4.7

6.7

11.8

7.0

10.0

17.7

9.4

13.4

23.7

11.7

16.7

29.6

14.1

20.1

35.5

16.4

23.4

41.4

18.8

26.8

47.4

21.1

30.1

53.3

23.5

33.5

59.2

25.8

36.8

65.1

28.2

40.2

71.1

0.094

0.134

0.237

2.85.0

5.610.0

8.415.0

11.320.0

14.125.0

16.930.0

19.735.0

22.640.0

25.445.0

28.250.0

31.055.0

33.960.0

0.113 0.20

9 WATER TREATMENT

The icos boiler range have an ALUMINIUM alloy heat exchanger

IMPORTANT. The application of any other treatment to this product may render the guarantee of Ideal Stelrad Group invalid.

Ideal Stelrad Group recommend water treatment in accordance with the Benchmark Guidance Notes on Water Treatment in Central Heating systems.

Ideal Stelrad Group recommend the use of FERNOX-COPAL or MB1,GE Betz Sentinel X100 OR Salamander Corrosion Guard inhibitors and associated water treatment, which must be used in accordance with the manufacturers' instructions. For further information contact:

Fernox Manufacturing Co. Ltd

Sentinel Performance Solutions

Salamander Engineering Ltd

Cookson Electronics

The Heath Business & Technical Park

Unit 24

Forsyth Road

Runcorn

Reddicap Trading Estate

Sheerwater

Cheshire

Sutton Coldfield

Woking

WA7 4QX

West Midlands

Surrey

Tel: 0800 389 4670

B75 7BU

GU21 5RZ

www.sentinel-solutions.net

Tel: +44 (0) 121 3780952

Tel: +44 (0) 1799 521133

 

 

Notes

1.It is most important that the correct concentration of the water treatment product is maintained in accordance with the manufacturers' instructions.

2.If the boiler is installed in an existing system any unsuitable additives MUST be removed by thorough cleansing.

BS. 7593:1992 details the steps necessary to clean a domestic central heating system.

3.In hard water areas, treatment to prevent lime scale may be necessary - however, the use of artificially softened water is NOT permitted.

4.Under no circumstances should the boiler be fired before the system has been thoroughly flushed.

icos - Installation & Servicing

13

Page 13
Image 13
IDEAL INDUSTRIES HE18, HE24, HE12, HE15 manual Water Treatment, Icos boiler range have an Aluminium alloy heat exchanger

HE12, HE15, HE18, HE24 specifications

The IDEAL INDUSTRIES HE series, comprising the HE24, HE18, HE15, and HE12 models, represents a significant advancement in the field of electrical testing and measurement tools. These versatile testers stand out in professional environments for their high accuracy, user-friendly interfaces, and advanced features designed to enhance efficiency and reliability in electrical inspections.

The HE24 is the flagship model, boasting an extensive range of functionalities. It includes advanced digital multimeter capabilities, allowing for precise measurements of voltage, current, and resistance. Its True RMS feature ensures accurate readings, even with non-linear loads. The HE24 also incorporates advanced connectivity options, including Bluetooth technology, enabling users to transfer data wirelessly to smartphones or tablets for further analysis. The large, backlit display enhances visibility in various lighting conditions, making it an ideal tool for both indoor and outdoor use.

The HE18 model, while slightly more streamlined than the HE24, still offers robust capabilities. It features multiple testing modes, including continuity and diode testing, catering to a wide range of electrical tasks. The HE18 also utilizes a user-friendly interface, allowing technicians to navigate easily through various functions. Equipped with a protective rubber housing, this model is durable and built to withstand the rigors of frequent use on job sites.

The HE15 and HE12 models represent the compact, entry-level offerings in the HE series. Designed for the budget-conscious user, these models retain essential functionalities such as basic voltage and current measuring capabilities while prioritizing ease of use. The HE15 includes a simple LED indicator to signal when measurements are being taken, promoting straightforward operation. Additionally, the HE12 features a lightweight design, making it the perfect tool for on-the-go technicians.

All models in the IDEAL INDUSTRIES HE series are engineered with safety in mind, adhering to stringent international testing standards. They provide superior insulation resistance and a high degree of accuracy, mitigating the risks associated with electrical work. Furthermore, their IP-rated enclosures ensure protection against dust and moisture, enhancing longevity.

In conclusion, the IDEAL INDUSTRIES HE24, HE18, HE15, and HE12 series represent a comprehensive range of electrical testing tools that cater to professionals' varied needs. With their combination of advanced features, user-friendly designs, and safety compliance, these models are excellent choices for any electrical technician aiming for accuracy and efficiency in their work.