57 / GB
A.
Hot/cold water delivery from
external unit G 1” M.
B. Cold/hot water return to
external unit G 1” M.
C. Hot/cold water delivery
to system Zone 1 G 1” M.
D. Cold/hot water return from system
Zone 1 - G 1” M.
E. Hot/cold water delivery to system
Zone 2 G 1” M.
F. Cold/hot water return from system
Zone 2 G 1” M.
G. Hot domestic water outlet G 3/4” M.
H. Cold domestic water inlet G 3/4” M.
A -
Flow water temperature (°C)
B -
External air temperature (°C)
Restrictions of cooling operation
Restrictions of heating operation
Example 1: B = 35 and A = 33
(43 ; 23)
(43 ; 5)
(10 ; 5)
(10 ; 23)
UF
0
5
10
15
20
25
0
5
10
15
20
25
30
35
40
45
50
FC
A
B
-20,45
-10,60
35,60
35,33
15,20
-20,20
0
10
20
30
40
50
60
70
-30
-20
-10
0
10
20
30
40
B
A
AVAILABLE PRESSURE AT EXTERNAL UNIT
Available pressure at external unit outlet towards the internal unit
Available pressure for models: 90M - 90MT - 110M - 110MT EXT
Available pressure for models: 40M - 50M- 70M - 70MT EXT
7 kW
4 - 5 kW
PRESSURE DROPS
Pressure drops due to hydraulic circuit of internal unit
Coupled with external units:
90M - 90MT - 1110M - 10MT EXT
Coupled with external units:
40M EXT - 50M EXT - 70 M EXT - 70MT EXT
