Gruppo Imar IVY 24 MR/MN, Installation & Use Manual, Page: 42 / 44

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TECHNICAL DATA U.M.
Ivy 24 MR/MN Ivy 28 MR/MN Ivy 32 MR/MN
Category II2H3P II2H3P II2H3P
PIN CE-1299CS0116 CE-1299CS0116 CE-1299CS0116
NOx Class 3 3 3
Type B22p-C12-C32-C42
-C52-C62 B22p-C12-C32-C42
-C52-C62 B22p-C12-C32-C42
-C52-C62
Gas used G20 G31 G20 G31 G20 G31
Heat input max. kW 26,0 30,0 33
Heat input min. kW 9,0 10,0 11,2
Heat output max. kW
24,92 27,92 31
Heat output min. kW 8,8 9,63 9,51
Efficiency % 92,7 92,9 93,2
Efficiency at 30% P %
91,0 90,9 90,6
Exhaust gas T. (G20 20mbar) 20 °C °C 128,0 129 146
Fuel consumption G20 m3/h 2,6 3,2 3,57
G31 kg/h 1,95 2,3 2,5
HEATING
CH water temperature adjustment range
°C 27-80 27-80 27-80
Expansion tank l 6,0 6+6 6+6
Expansion tank pressure bar 1,0 1,0 1,0
Min/Max operating pressure bar 0,8 - 3,0 0,8 - 3,0 0,8 - 3,0
Max Circulator head mwc 5,0 6,0 6,5
DOMESTIC HOT WATER
Continuous draw Δ T 25°C
l/min 13,5 14,5 16,6
Max DHW pressure bar 10,0 10,0 10,0
Min DHW pressure bar 0,5 0,5 0,5
Min/max DHW temp adjustment °C 30-60 30-60 30-60
ELECTRICAL CHARACTERISTICS
Voltage/Frequency
V/Hz 230/50 230/50 230/50
Power W 152 152 155
IP rating IP
X4D X4D X4D
DIMENSIONS AND CONNECTIONS
Width
mm 456 456 456
Height mm
690 690 690
Depth mm 240 332 332
Weight kg 35 37 38
Flow/Return In 3/4 3/4 3/4
DHW in/out In 1/2 1/2 1/2
Gas supply In 3/4 3/4 3/4
Concentric (coaxial) intake/exhaust gas
pipe diameter
mm 60-100 60-100 60-100
Min-max concentric pipe length m 0,5-5 + curva - 0,5-5 + curva
Split (separate) intake/flue pipe diameter mm 80/80 80/80 80/80
Max pressure drop with separate pipes
( flue evacuation)
mbar 1,7 1,75 1,45
MAINS GAS OPERATING PRESSURE
G20 max. mbar 12,5 13 11,6
G20 min. mbar 1,4 1,2 1,2
G31 max. mbar 37 37 37
G31 min. mbar 5,2 4,8 4,7
Ø G20 nozzles mm 1,3 1,3 1,3
Ø G31 nozzles mm 0,78 0,77 0,77