Sime Rondo B Series, Manual

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1.1 INTRODUCTION
The new “Rondò B” series of cast iron
boilers, for heating and the production
of domestic hot water, has been
designed in compliance with the
European Directive CEE 92/42.
They use light oil and have a perfectly balanced combustion with a very high
thermal efficiency for economical per-
formance.
1 BOILER DESCRIPTION
950
64
0
395
235
75
M1
M
U
C
E
R S
= =
100
550
960
30 735
460
Ø 1
30
730
1
300
1.2 DIMENSIONAL DETAILS
Fig. 1
1.3 TECHNICAL FEATURES
KEY
M1
Zone system flow
R 1” (UNI-ISO 7/1)
M C.H. flow R 1” (UNI-ISO 7/1)
R
C.H. return
R 1” (UNI-ISO 7/1)
S Boiler filling-drain Rp 1/2” (UNI-ISO 7/1)
E
D.C.W. inlet
Rp 3/4” (UNI-ISO 7/1)
C Recirculation Rp 3/4” (UNI-ISO 7/1)
U
D.H.W. outlet
Rp 3/4” (UNI-ISO 7/1)
Rondò B4 Rondò B5Rondò B4 Rondò B5
Nox: Class 3* NOx: Class 3*
Output kW 31,3 40,0 27,6 32,7
kcal/h 26.900 34.400 23.700 28.100
Input kW 34,8 44,3 30,7 36,3
kcal/h 29.900 38.100 26.400 31.200
Sections n° 4 5 4 5
Adsorbed power consumption W 80 80 80 80
Maximum water head bar 4 4 4 4
Water content l 19,8 23,8 19,8 23,8
Smoke loss of head mbar 0,16 0,21 0,07 0,13
Combustion chamber pressure mbar –0,02 –0,02 –0,02 –0,02
Suggested chimney depression mbar 0,18 0,23 0,09 0,15
Smokes temperature °C 188 185 145 145
Smokes flow m 3 st/h 41,4 52,8 37,4 43,9
Smokes volume dm 3 12 15 12 15
CO
2
% 12,5 12,5 12,8 12,9
Heating adjustment range °C 30÷85 30÷85 30÷85 30÷85
D.H.W. adjustment range °C 30÷60 30÷60 30÷60 30÷60
D.H.W. production
D.H.W. tank capacity l 80 80 80 80
D.H.W. flow rate
∆
t 30°C ** l/h 880 930 790 930
Recovery time from 25°C to 55°C min 10 10 10 10
D.H.W. tank max. water head bar 6 6 6 6
Weight kg 217 243 217 243
*Burner with low polluting emissions ** With the sanitary water at inlet temperature 15°C - Boiler temperature 80°C