WarmFlow Utility Combi UC70HEE - Page 57

Page 56
7.4 One Pipe Lift System
Total Maximum Pipe Length (m)
Head H(m)
0.0
0.5
1.0
1.5
2.0
3.0
3.5
ID 8mm
35
30
25
20
15
8
6
ID 10mm
100
100
100
90
70
30
20
Note: The pump vacuum should not exceed a maximum of 0.4 bar. Above this,
gas is released from the oil thus leading to burner lockout.