
Building Technologies
74 319 0617 0 a
17.04.2008
24/180
en
25
2
2
Z
0
9
Place the tongues correctly – they must not
be inside the cutout!
Wrong Correct
Commissioning
Preparatory checks
1. DO NOT switch on power supply yet
2. Check wiring according to the plant connection diagram
3. Ensure correct position and location of levers by turning the fixing screws (refer to illustra-
tion on the lateral wall of the unit)
25
40Z
0
4
4. Insert unit in the base until stop is reached. Marking “TOP” must be at the top!
5. Tighten fixing screws alternately
6. Check regulating unit (seat or slipper value): See if
– it is correctly installed (observe direction of flow indicated on the valve body)
– the slipper travels in the correct angular range (note position indicators)
– the hand lever is disengaged