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R2K 24 - RAD - ING - Inst.Manual - 2002.1_CSA
2. MAINTENANCE
SUPPOR
T CENTER
2.2.8. TECHNICAL DATA
Model
R2K 24
Maximum nominal heat capacity in heating circuit
btu/h - (kW)
88716 - (26)
Maximum nominal heat capacity in domestic circuit
btu/h - (kW)
98952 - (29)
Minimum nominal heat capacity in heating circuit
btu/h - (kW)
13650 - (4)
Minimum nominal heat capacity in domestic circuit
btu/h - (kW)
13650 - (4)
Useful thermal power - 140/176°F (60/80°C)
btu/h - (kW)
96676 - (28.33)
Minimum useful thermal power - 140/176°F (60/80°C)
btu/h - (kW)
13404 - (3.9)
Performance at 100% Pn - 140/176°F (60/80°C)
%
97.7
CO2 at nominal heat capacity - Natural Gas
%
9.6 - 9.2
CO2 at minimum heat capacity - Natural Gas
%
8.8 - 8.9
CO2 at nominal heat capacity - Propane
%
10.6 - 10.2
CO2 at minimum heat capacity - Propane
%
9.7 - 10.1
CO at nominal heat capacity
ppm
65 – 150
CO at minimum heat capacity
ppm
1 – 20
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)
Expansion tank pre-charge pressure
psi - (bar)
14.5 - (1)
Capacity of the system expansion vessel
gal(US) -
(litres)
2.11 - (8)
Domestic circuit
Adjustable domestic temperature
°F - (°C)
95-140 (35-60)
Maximum pressure for domestic circuit
psi - (bar)
150 - (10.34)
Minimum pressure for domestic circuit
psi - (bar)
7.25 - (0.5)
Continuous hot water flow rates - ΔT 54°F (30°C)
gal(US)/min -
(litres/min)
3.41 - (12.9)
Continuous hot water flow rates - ΔT 77°F (43°C)
gal(US)/min -
(litres/min)
2.38 - (9)
Dimensional characteristics
Width
in - (mm)
16.1 - (410)
Depth
in - (mm)
12 - (307)
Height
in - (mm)
25.27 - (642)
Gross weight
lb - (Kg)
83.3 - (37.8)
Water connections
Flow
Ø
3/4” *
Cold water
Ø
1/2” *
Hot water
Ø
1/2” *
Gas
Ø
1/2” *
Return
Ø
3/4” *
(*) NOTE: THESE ARE CONNECTION SIZES BEFORE VALVE KIT/CONNECTION CONVERSION KIT IS
INSTALLED.
MAINTENANCE
