3
Multi Variable Air Conditioners Wall Mounted Type Indoor Unit
2.4 Installation of the drainage pipe
A. For proper draining, the drain hose should be placed at a downward sloping.
B.
Do not wrench or bend the drain hose or flood its end by water. (Fig.2)
C. Wrap the drain hose with heat resistant material.
Wrenched
Bent
Flooded
Fig.2
2.5 Installation the connection pipes
Connect the ends of the connection pipe with two leading pipes, and then tighten the joint nuts tightly.
Connect the connect pipe with the two relative leading pipe, tie the nut on tie –in of the connect pipe tightly.
2.6 Electrical wiring
Note: The power of every indoor unit should be unity power supply.
A.
The power connection cord and the communication cord have been inserted on the mainboard through
the piping hole of the chassis and the bottom of the appliance upward.Please connect the power connection
cord with the breaker. If the power cord is not long enough,please prolong it with terminal block.
B. The shield twisted-pair in the 3 PIN neilsbed is the communication cord to another indoor unit or to
outdoor. Please connect it according to the cicuit diagram which is plastered on the control box.
If the next unit is Wall Mounted Type also, please insert the cord in the comm connecting board:
C. The twisted-pair in the
D. PIN neilsbed is the communication cord to the manual panal.
E.
Reinstall the wiring cover on the original place and tighten the bolt;
F.
Recover the surface panel.
Note!
① .
The incorrect of wiring connecting would lead malfunction of some of the electric elements.
② .
Make sure that the lead between the connect end and the clamp end has some need space after the
wire is fixed.