42
1.1
INTRODUCTION
The new “Estelle HE B4 INOX ErP”
series of cast iron boilers condens-
ing, for heating and the production
of domestic hot water, they use light
oil and have a perfectly balanced
combustion with a very high ther-
mal efficiency for economical per-
formance.
1 BOILER DESCRIPTION
U
C
E
M
R
S
1.2
DIMENSIONAL DETAILS (fig. 1)
Fig. 1
KEY
M C.H. flow
G 1” (UNI-ISO 228/1)
R C.H. return
G 1” (UNI-ISO 228/1)
U D.H.W. outlet
G 3/4” (UNI-ISO 228/1)
E D.C.W. inlet
G 3/4” (UNI-ISO 228/1)
C Recirculation
G 3/4” (UNI-ISO 228/1)
S Boiler drain
MODEL
SERIAL NUMBER
YEAR OF CONSTRUCTION
WATER CONTENT IN BOILER
HEAT INPUT MAX
HEAT OUTPUT MAX
MAX OPERATING PRESSURE
CONTENTS D.H.W.
HEAT INPUT MAX D.H.W.
MAX OPERATING PRESSURE D.H.W.
D.H.W. FLOW RATE
POWER SUPPLY
MAX POWER ABSORBED
TYPE
CODE
DIRECTIVE OF REFERENCE
PIN NUMBER
MAX OPERATING PRESSURE
MAX OPERATING PRESSURE D.H.W.
1.2.1 Technical data plate (fig. 1/a)
Fig. 1/a
