Atlantic Boilers RELAX DIGITAL 12 운영 및 유지보수 매뉴얼 - 페이지 9

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5). HYDRAULIC SYSTEM PERFORMANCE

The RELAX DIGITAL electrical boilers must be installed according to :-

(i)

The recommendations of this manual

(ii)

The recommended BS and BSRIA codes of practice

(iii)

The Atlantic Boilers commissioning check list

(i)

Easy access for delivery and eventual removal of the RELAX DIGITAL boiler

(ii)

Adequate space around the RELAX DIGITAL boiler for installation & maintenance

(iv)

It is essential to install

a safety valve, a temperature & pressure relief valve

an automatic air vent & isolating valve

a combined drain & sludge valve

a heating flow & return at 40mm

Pay attention to the following precautions

 Do not mix copper and galvanised steel in the installation

 Do not cover over the ventilation louvres on the RELAX DIGITAL boiler

 Do not prevent full water circulation in the RELAX DIGITAL boiler

 Full circulation – 6 & 9kW = 0.07l/sec – 12, 18 &24kW = 0.14l/sec

 Observe maximum working pressure of 4BARS

 Protect the RELAX DIGITAL boiler with

 Protect the RELAX DIGITAL boiler with correctly-rated earth connections

 ENSURE that the RELAX DIGITAL immersion heaters are fully immersed in water

5.3)

Combined space heating & domestic hot water supply system

1. RELAX DIGITAL boiler

2. Shunt pumps

3. Space heating pump

4. 3-way mixing valve

5. Existing boiler, if on site

6. Domestic hot water primary pump

7. Domestic hot water calorifier