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R2KA 34 /20 - RAD - ING - Inst.Manual - 2002.1_CSA
2. MAINTENANCE
SUPPOR
T CENTER
2.2.8. TECHNICAL DATA
Model
R2KA 34 /20
Maximum nominal heat capacity in heating circuit
btu/h - (kW)
116013 - (34)
Maximum nominal heat capacity in domestic circuit
btu/h - (kW)
116013 - (34)
Minimum nominal heat capacity in heating circuit
btu/h - (kW)
15013 - (4.4)
Minimum nominal heat capacity in domestic circuit
btu/h - (kW)
15013 - (4.4)
Useful thermal power - 140/176°F (60/80°C)
btu/h - (kW)
113215 - (33.18)
Minimum useful thermal power - 140/176°F (60/80°C)
btu/h - (kW)
14706 - (4.31)
Performance at 100% Pn - 140/176°F (60/80°C)
%
97.6
CO2 at nominal heat capacity - Natural Gas
%
9.2 - 9.5
CO2 at minimum heat capacity - Natural Gas
%
8.9 - 9.2
CO2 at nominal heat capacity - Propane
%
10.3 - 10.6
CO2 at minimum heat capacity - Propane
%
10 - 10.3
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)
2.64 - (10)
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)
Storage cylinder capacity
gal(US) -
(litres)
5.28 - (20)
Continuous hot water supply - ΔT 54°F (30°C) - mixed
water - 1 hour
gal(US) -
(litres)
267.9 - (1014)
Continuous hot water supply - ΔT 54°F (30°C) - mixed water
- for the first 10 minutes
gal(US) -
(litres)
47.95 (181.5)
Dimensional characteristics
Width
in - (mm)
19.29 - (490)
Depth
in - (mm)
19.7 - (500)
Height
in - (mm)
35.43 - (900)
Gross weight
lb - (Kg)
151.7 - (68.8)
Water connections
Flow
Ø
3/4” *
Cold water
Ø
1/2” *
Hot water
Ø
1/2” *
Gas
Ø
1/2” *
Return
Ø
3/4” *
MAINTENANCE
