CALEFFI Z-one ZVR10 Series Manual page 4

Transformer
Installation
Mount box on stable surface
using level.
Slide bottom end of transformer
into bottom latch.
Feed wiring through hole near the
top of the transformer and insert
transformer plug into the socket.
Remove transformer(s)
packaging.
Snap top of transformer into latch
arms.
Repeat process
transformer if six valve relay box.
from
for 2nd