Haier HSU-09RR03/R2 - annexe 2 Installation Manual page 7

3.Connection
Use the same method on indoor unit. Loosen the screws on terminal block and insert the plugs fully into
terminal block, then tighten the screws.
Insert the cable according to terminal number in the same manner as the indoor unit.
If wiring is not correct, proper operation can not be carried out and controller may be damaged.
Fix the cable with a clamp.
4.Attaching Drain-Elbow
If the drain-elbow is used, please attach it as
figure. (Note: Only for heat pump unit.)
5.Installation instruction on the outdoor part of the fresh air device
1.Remove the four screws of change-for-fresh-air box from the back cover.
2.Use six screws to fix the change new wind box onto the designated position on the outdoor unit.
3.Remove two screws of the pipe junction of the change new wind box, then insert the flared departure of
the change for fresh air tube into the pipe junction and then fix with the screws.
4.Use four screws to fix the change-for-fresh-air box onto the back cover, as illustrated:
Screw
hole
Dust
filtration
mesh
Note:After wiring, the connecting terminals of outdoor unit and change-fresh-air as well as the wiring sheath should be
placed in the change-for-fresh-air box against the rain.
Outdoor unit
Change-for-fresh-air box
Connecting terminal
Fresh air signal wire
(with guard ring)
back
cover
Fresh air
box
Screw
Fresh air tube
Fresh air box
Fresh air tube
Fresh air tube
Flared departure
Screw
Joint of tube