ICI Caldaie RIO 140 Installation And Servicing Manual - page 3
1 TECHNICAL
INFORMATION
3
1.1 TECHNICAL SPECIFICATIONS
CENTRAL HEATING
Maximum heating system water temperature .................... 90°C + 0 - 5°C
Minimum heating system water temperature..................... 30°C ± 2°C
Maximum heating system pressure................................... 1.5 bar cold, 2.3 bar hot (set when cold)
Minimum heating system pressure (cold).......................... 0.8 bar
Maximum heating system volume..................................... 90 litres (with expansion vessel provided)
Heating system expansion vessel size ............................. 10 litre pre-charged at 1.0 bar (max. 1.5 bar)
Safety valve setting........................................................... 3.0 bar
DOMESTIC HOT WATER
Maximum hot water temperature....................................... 65°C ± 3°C
Maximum mains water inlet pressure
(before pressure reducing valve)....................................... 6 bar
Minimum mains water inlet pressure..................................1.0 bar
(remove flow restrictor if < 1.5 bar - section 9.25)
Minimum hot water flow rate............................................ 3.0 litre/min
Maximum pressure of hot water supplied to taps.............. 3.5 bar
Dynamic hot water performance....................................... 13.6 litre/min raised 30°C
Amount of hot water at 30°C available in 10 minutes........ 260 litre
Time to raise stored water to maximum temperature........ 20 to 25 minutes (10°C inlet temp.)
Time to reheat 70% of stored water.................................. 3 to 4 minutes
Hot water expansion vessel size (two vessels)................. 4 litre and 2 litre, both pre-charged at 3.5 bar
Hot water storage capacity................................................ 140 litre
Temperature/pressure relief valve setting......................... 90 - 95°C/7 bar
Expansion relief valve setting............................................ 6.0 bar
Mains water inlet pressure reducing valve setting............. 3.5 bar
GENERAL
Burner injector (Natural gas), marked 125 - No. off........... 15
Electrode gap.................................................................... 4 mm
Type of ignition................................................................... Direct burner ignition
Primary water content........................................................ 9.0 litre
Weight (installed and including water)............................... 307 kg
Lifting weight (installing)..................................................... 158 kg
Case height (excludes flue elbow).................................... 1 700 mm
Case width......................................................................... 600 mm
Case depth........................................................................ 600 mm
Clearances for installation and servicing
Top (includes space for flue elbow).............................. 300 mm
Front............................................................................. 600 mm
Sides............................................................................ 5 mm
Central heating flow and return connections...................... 22 mm compression
Cold water mains inlet connection......................................15 mm compression
Safety valve discharge connection.................................... ½ in. BSP Female
Domestic hot water outlet connection................................ 15 mm open pipe
Gas supply........................................................................ 15 mm compression
Flue terminal size............................................................... 88 mm diameter x 125 mm deep
Flue restrictor diameter...................................................... 49 mm co-axial, 45.5 mm twin pipe
Electricity supply................................................................ 230 V ~ 50 Hz 150 W Fused at 3 A
Fuses on main driver board.............................................. 2 A and 0.3 A (0.3 A for external controls)
Built in frost protection control on main driver board......... Operates if primary water falls below 5°C
The boiler meets the requirements of IP20 for degree of protection against moisture.
The data label is positioned inside the upper front panel.