25
MODELS
A
=
System delivery
3/4”
R
=
System return
3/4”
G
=
Gas feeding pipe
3/4”
RS
=
Water recycle
1/2”
US
=
Hot water outlet
1/2”
ES
=
Cold water inlet and loading
1/2”
F
=
Fumes outlet
Ø 80
AA =
Air inlet
Ø 80
LEGEND:
SIDE VIEW
REAR VIEW
ERA 31 BS 60
31,5
15,3
27.100
Model
kW
t = 30
°
C lt/min.
Kcal/h
Output
Hot water