7
2551868A
Technical Parameters
Electrical
Electric supply
220 / 240 Volt (AC)
Frequency
50 Hz
Current absorption
0,6-1 Amps
Hydraulic connections
Type 1
Types 2 & 3
Type 4
Primary LTHW flow
A
3/4 “
3/4 “
3/4 “
Primary LTHW return
B
3/4 “
3/4 “
3/4 “
DCW inlet
C
3/4 “
3/4 “
3/4 “
DHW supply
D
3/4 “
3/4 “
3/4 “
Secondary heating flow
E
3/4 “
3/4 “
3/4 “
Secondary heating return
F
3/4 “
3/4 “
3/4 “
Drain
G
1/2 “
1/2 “
1/2 “
Primary cooling flow
A1
3/4 “
1”
1 1/4”
Primary cooling return
B1
3/4 “
1”
1 1/4”
Secondary cooling flow
C1
3/4 “
1”
1 1/4”
Secondary cooling return
D1
3/4 “
1”
1 1/4”
Type 5
Type 6 & 7
Type 8
Primary LTHW flow
A
1”
1”
1”
Primary LTHW return
B
1”
1”
1”
DCW inlet
C
1”
1”
1”
DHW supply
D
1”
1”
1”
Secondary heating flow
E
1”
1”
1”
Secondary heating return
F
1”
1”
1”
Drain
G
1/2 “
1/2 “
1/2 “
Primary cooling flow
A1
3/4 “
1”
1 1/4”
Primary cooling return
B1
3/4 “
1”
1 1/4”
Secondary cooling flow
C1
3/4 “
1”
1 1/4”
Secondary cooling return
D1
3/4 “
1”
1 1/4”
See section 8 for CHHC model types
