Radiant R2K 55 - Technical Data

53
R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA
2. MAINTENANCE
SUPPORT CENTER
2.2.8. TECHNICAL DATA
Model R2K 55
Gas category Natural Gas (Gas A) /
Propane (Gas E)
Maximum nominal heat capacity in heating circuit BTU/hr (kW) 187667 - (55)
Maximum nominal heat capacity in domestic circuit BTU/hr (kW) 187667 - (55)
Minimum nominal heat capacity in heating circuit BTU/hr (kW) 18766 - (5.5)
Minimum nominal heat capacity in domestic circuit BTU/hr (kW) 18766 - (5.5)
Useful thermal power 140/176°F (60/80°C) BTU/hr (kW) 183743 - (53.85)
Minimum useful thermal power 140/176°F (60/80°C) BTU/hr (kW) 18390 - (5.39)
Performance at 100% Pn - 140/176°F (60/80°C) % 97.90
Performance at min. therma power 140/176°F (60/80°C) % 98.10
Combustion data
CO
2
at nominal heat capacity - Gas A Natural % 9.6 - 9.2
CO
2
at minimum heat capacity - Gas A Natural % 9.3 - 8.9
CO
2
at nominal heat capacity - Gas E propane % 10.7 - 10.3
CO
2
at minimum heat capacity - Gas E propane % 10.2 - 9.8
Heating circuit
Adjustable heating temperature F° (°C) 86-167 / 77-113 (30-75
/ 25-45)
Maximum operating temperature for heating circuit F° (°C) 203 - (95)
Maximum operating pressure for heating circuit psi (bar) 60 - (4.1)
Minimum operating pressure for heating circuit psi (bar) 4.29 - (0.3)
Primary circuit water content gal(US) (litres) 1.72 - (4.6)
Domestic circuit
Adjustable domestic temperature °F (°C) 95-140 (35-60)
Maximum pressure for domestic circuit psi (bar) 87 - (6)
Minimum pressure for domestic circuit psi (bar) 7.25 - (0.5)
Specific capacity in continuous service - Δt 54°F (30°C) gpm (litres/min) 7.11 (26.93)
Specific capacity in continuous service - Δt 77°F (43°C) gpm (litres/min) 4.97 (18.8)
Minimum flow rate gpm (litres/min) 0.79 (3)
Dimensional characteristics
Width in (mm) 16.14 (410)
Depth in (mm) 19.09 (485)
Height in (mm) 25.19 (640)
Gross weight lb (kg)
92.1- (41.8)
Water connections
Heating flow Ø 3/4” *
Heating return Ø 3/4” *
Cold water inlet Ø 1/2” *
Hot water outlet Ø 1/2” *
Gas Ø 1/2” *
(*) NOTE: THESE ARE CONNECTION SIZES BEFORE VALVE KIT/CONNECTION CONVERSION KIT IS
INSTALLED.
MAINTENANCE