5.5 Electrical connection
DANGER
Risk of electric shock
Working on the unit when voltage is applied can lead to electric shock.
▶
Isolate hydraulic unit and outdoor unit from power supply prior to carrying out work.
▶
Safeguard against accidental re-start.
The electrical connection must only be carried out by qualified electricians. Observe
local regulations.
Run Bus cable separate and preferably using screened cable, connecting the screen
only on one side.
▶
Remove front panel (see Ch. 4.2).
▶
Undo 4 screws
1
and unhinge control box cover
2
.
▶
Undo protective conductor connection
3
on the cover.
▶
Remove cover.
Installation and operating instruction
Hydraulic unit WWP L 7 ... L 15
5 Installation
83279602 • 1/2014-05 • La
28-59