Instruction of SR81 Split Pressurized Solar Hot Water System
Page 7 of 59
3.1 Mounting the display of controller
►Using Screw and turn it, take the display base plate out, see picture 1
►Fixing the base on the wall with screw (see picture 2), (Note: don’t drill hole on the base
plate)
►Insert the display into the base plate groove
①②
, and press it tightly. See picture 3
3.2 Mounting the board of controller
Follow the below steps to mount the controller on the wall.
► Select the proper place to install main board of
controller
► Put the hung housing plate on the wall and mark the
upper fastening point.
► Drill the holes and put the plastic expansion bolt into
the holes.
► Hang the housing plate on the screw and fasten it
► Hang the controller on the housing plate.
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 be switched-on when the controller housing is closed. Installer
shoul
d 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
