Instruction Manual ZHK
74/140
V07-21.0
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delivered number of clamps are not fixed during installation
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installation of different clamps (not the original ones)
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corresponding clamps fixed with too high or too low torque
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flexible tube is not long enough, see
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in the event that the costumer applied lubricant at the flexible tube during installation.
WARNING!
In this situation, the relating tube connection may loosen and cause a water
leakage and subsequent damages!
NOTICE!
To ensure a proper operation and to minimize the risk of water leakage, EURO-
CLIMA highly recommends installing and checking the clamp connections accord-
ing to the instructions below.
Installation instructions
The assessment of the parts for the flexible connecting tubes and clamps follows
The table shows the size and the number of clamps depending on the tube diameter. For example,
2+2 means two clamps on each end of the flexible connector.
Rigid PVC tubing diam-
eter pressure side /
suction side
Flexible (black)
rubber tube
Clamp for flexible tube connection
Type
Normaclamp TORRO 12 W1
outer diameter
(mm)
outer diameter
(mm)
size
Number for one
flexible tube
25
approx. 33
25
–
40
2+2
32
approx. 42
30
–
45
2+2
40
approx. 47
40
–
60
2+2
50
approx. 61
50
–
70
3+3
63
approx. 76
60
–
80
3+3
75
approx. 87
70
–
90
3+3
90
approx. 106
90
–
110
3+3
110
approx. 120
110
–
130
3+3
125
approx. 136
130
–
150
3+3
Table 9:
Specifications - size and number of clamps for flexible connecting tubes
The following actions must be carried out separately for the pressure side connection and the suc-
tion side connection. Please note, that the tubing on pump suction side and pressure side usually
have different diameters.
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