1
BOILER DESCRIPTION
1.1
INTRODUCTION
The new "Estelle HE B4 INOX ErP"
series of cast iron boilers condens-
1.2
DIMENSIONAL DETAILS (fig. 1)
550
=
=
KEY
M
C.H. flow
R
C.H. return
U
D.H.W. outlet
1.2.1 Technical data plate (fig. 1/a)
YEAR OF CONSTRUCTION
WATER CONTENT IN BOILER
MAX OPERATING PRESSURE
MAX OPERATING PRESSURE D.H.W.
30
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-
G 1" (UNI-ISO 228/1)
G 1" (UNI-ISO 228/1)
G 3/4" (UNI-ISO 228/1)
MODEL
SERIAL NUMBER
HEAT INPUT MAX
HEAT OUTPUT MAX
CONTENTS D.H.W.
HEAT INPUT MAX D.H.W.
D.H.W. FLOW RATE
POWER SUPPLY
MAX POWER ABSORBED
728
1015
E
D.C.W. inlet
C
Recirculation
S
Boiler drain
CODE
DIRECTIVE OF REFERENCE
PIN NUMBER
TYPE
MAX OPERATING PRESSURE
MAX OPERATING PRESSURE D.H.W.
mal efficiency for economical per-
formance.
69
U
C
E
43
M
R
S
55
G 3/4" (UNI-ISO 228/1)
G 3/4" (UNI-ISO 228/1)
Fig. 1
Fig. 1/a