P Available pressure (kPa)
D Water flow rate in cubic metres per hour (m
3
/h)
3 Speed 3
4 Speed 4
6 Speed 6
7 Speed 7
8 Speed 8
P Available pressure (kPa)
D Water flow rate in cubic metres per hour (m
3
/h)
2 Speed 2
3 Speed 3
5 Speed 5
6 Speed 6
7 Speed 7
8 Speed 8
3.3
Dimensions and connections
3.3.1
Indoor unit
1 Three-way valve circuit return (optional) - G1"
2 Three-way valve circuit flow (optional) - G1"
3 Direct circuit return - G1"
4 Direct circuit flow - G1"
5 Refrigerant connection - gas line
5/8” for 4.5 to 16 kW models
6 Refrigerant connection - liquid line
3/8” for 4.5 to 16 kW models
Fig.4
Variable pressure
MW
-1001273-1
15
20
25
30
35
40
45
50
55
60
65
70
75
8
7
6
4
3
P
D
0,0
0,2
0,4
0,6
0,8
1,0
1,2
1,4
1,6
1,8
2,0
2,2
2,4
2,6
Fig.5
Constant pressure
P
D
MW
-1001272-1
20
25
30
35
40
45
50
55
60
65
70
75
80
85
8
7
6
3
5
2
0,0
0,2
0,4
0,6
0,8
1,0
1,2
1,4
1,6
1,8
2,0
2,2
2,4
2,6
Fig.6
MW-1001180-03
122
192
262
472
542
52
51
858.5
1003
600
457.5
50
50
454
6
5
4
3
2
1
3 Technical specifications
7762758 - v05 - 19082020
15