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R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA
2. MAINTENANCE
SUPPOR
T 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