Instruction of SR91 Split Pressurized Solar Hot Water System
Page 8 of 49
3.3 Preparation before wiring connection
Open/close the cover of connection terminal.
► Unscrew the screw
①②
, and take out the cover
upwards
► Close the cover: close the cover downwards
► Fix the cover with the screw
①②
3.4 Wiring connection
Note:
Power can only switched-on when the controller housing is closed. Installer
should be sure that the IP safety protection grade of controller isn’t damaged during
installation.
According to the way of installation, wire can be connected from hole
④
on the bottom plate
or from hole
⑤
, using a suitable tool (like knife) to cut the plastic of
⑤
, and wire is
connected into housing from hole
⑤
.
Note:
wires must be fastened by fixing clamps on the position
⑥
.
3.5 Terminal connection
Note:
before opening the housing! Always disconnect the controller from power
supply and obey the local electrical supply regulation.
