Potterton Assure System 12, Инструкция по установке и обслуживанию, Страница: 13 / 68

Tab.4 In IE the following Code of Practice apply:
Standard Scope
IS 813 Domestic Gas Installations.
The following standards give valuable additional information:
BS 5546
Installation of hot water supplies for domestic purposes.
BS EN
12828
Heating systems in buildings.
BS EN
12831
Heating systems in buildings — Calculation of load.
BS EN
14336
Installation & commissioning of water based heating sys­
tems.
BS 7074 Expansion vessels and ancillary equipment for sealed wa­
ter systems.
BS 7593 Treatment of water in domestic hot water central heating
systems.
3.2 Technical data
3.2.1 Technical information
Important
All data in these sections are nominal and subject to normal
production tolerances.
3 Technical specifications
13
Tab.5 General
15 18
Gas council numbers
Nominal heat input — central heating —
Maximum rate
Net (Qn Hi) kW 15.5 18.6
Gross (Qn Hs) kW 17.2 20.6
Nominal heat input 80/60C° — Minimum rate Net (Qn Hi) kW 4.64 4.64
Gross (Qn Hs) kW 5. 2 5. 2
Nominal heat output 80/60°C — central heat­
ing — Maximum rate
Pn kW 15 18
Nominal heat output 80/60°C — central heat­
ing — Factory setting
Pn kW 15 18
Nominal heat output 80/60°C — Minimum
rate
Pn kW 4.5 4.5
Nominal heat output 50/30°C — central heat­
ing — Maximum rate
Pnc kW 16.2 19.4
Nominal heat output 50/30°C — central heat­
ing — Minimum rate
Pn kW 4.9 4.9
Tab.6 Central heating circuit specifications
All models
Maximum pressure bar 3
Minimum pressure bar 0.5
Central heating temperature adjustment (±5°C) °C 25 / 80
Expansion vessel water capacity litres 7.0
Expansion vessel pre charge pressure bar 1.0
Maximum capacity of central heating system litres 100
Primary water content of boiler (unpressurised) litres 2.5
Potterton Assure System
Potterton Assure System
41 592 54 41 592 55
12 24
12.4
13.7
4.64
5.
2
12
12
4.5
12.9
4.9
24.7
27.4
4.64
5.
2
24
24
4.5
25.8
4.9
41 594 12 41 594 13