Immergas DIM 2 ZONE ERP Instructions And Warnings page 11

Head available to the direct zone system fixed speed.
High-temperature zone
A
Low-temperature zone
A
Head available to the direct zone system proportional or constant speed.
High-temperature zone
C
D
I
Low-temperature zone
D
E
I
B
Flow rate (l/h)
B
Flow rate (l/h)
G
H
E
L
F
Flow rate (l/h)
C
G
H
L
F
Flow rate (l/h)
Key:
Key:
C = Head available to the system with circula-
D = Head available to the system with circula-
E = Head available to the system with circula-
F = Head available to the system with circula-
G = Circulator pump power with selector in
H = Circulator pump power with selector in
I = Circulator pump power with selector in
L = Circulator pump power with selector in
11
A = Available head
B = Power absorbed by the circulator
pump (dotted area)
tor pump selector in position C4 (standard
setting)
tor pump selector in position C3
tor pump selector in position P2
tor pump selector in position P1
position C4 (standard setting)
position C3
position P2
position P1
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