Radiant RK 18 OV User Manual

INSTALLATION INSTRUCTIONS
4
2. TECHNICAL CHARACTERISTICS
2.1 Technical data
Model
s
RK 18 OV
RK 25 OV
CE Certification n° 0694BN3485
Appliance Type
B23p-B33-C13-C33-C43-C53-C63-C83-
C93
Appliance Category II2H3+
Heat Input max
kW 18 25
Heat Input min
kW 4 9
Heat Output max (50/30°) kW 19.26 26.67
Heat Output max - 80/60°C (Non condensing) kW 17.69 24.6
Heat Output min - 80/60°C (Non condensing) kW 3.9 8.73
Full Load Efficiency (SEDBUK EFFICIENCY) %,net 98.3 98.4
Part Load Efficiency (SEDBUK EFFICIENCY) %,net 108.1 106.3
GAS DIRECTIVE 92/42/ECC - Efficiency marking stars 4
Sedbuk band A
Central Heating circuit
Central Heating water temperature setting (min-max) °C 30-80 / 25-40
Max. heating working temperature °C 80
Max. working pressure (heating) bar 3
Min. working pressure (heating) bar 0.3
Dimensions (Boiler casing size)
Width mm
410
Height mm 730
Depth mm 290
Weight (net) kg 31 33
Hydraulic connections
Central Heating Flow connection Ø mm
22
Central heating Return connection Ø mm
22
Gas connection Ø mm
15
Condensate Drain
Ø mm
25
Flue systems
Horizontal-Concentric flue system Ø mm
60/100
Max. Flue length m 6
Twin pipe flue system Ø mm
80/80
Max. Flue length (from terminal to terminal) m 50
Twin pipe flue system Ø mm
60/60
Max. Flue length (from terminal to terminal) m 30
Vertical-Concentric flue system Ø mm
60/100
Max. Flue length m 6
Gas Supply
Natural gas G 20
Inlet pressure mbar 20
Gas consumption m
3
/h 1.91 2.65
Butane G30
Inlet pressure mbar 30
Gas consumption kg/h 1.42 1.97
Propane G31
Inlet pressure mbar 37
Gas consumption kg/h 1.4 1.94
Electrical specifications
Power supply V/Hz 230/50
Electrical power consumption W 60
Electrical protection IP X4D

Radiant RK 18 OV Specifications

General

Brand	Radiant
Model	RK 18 OV
Category	Boiler
Language	English