34
1.1
INTRODUCTION
The new
ESTELLE HE
series of cast iron
boilers condensing has been designed in
compliance with the Efficiencies Directive
CEE 92/42.
They use light oil and have a perfectly bal-
anced combustion with a very high thermal
efficiency for economical performance.
1
BOILER DESCRIPTION
1.2
DIMENSIONAL DETAILS (fig. 1)
Fig. 1
Estelle
HE 4
HE 5
P
Depth
785
885
M
C.H. flow
G 1” (UNI-ISO 228/1)
G 1” (UNI-ISO 228/1)
R
C.H. return
G 1” (UNI-ISO 228/1)
G 1” (UNI-ISO 228/1)
S
Boiler drain
Rp 1/2” (UNI-ISO 228/1)
Rp 1/2” (UNI-ISO 228/1)