DC Inverter U-match Series for R410A Unitary Split Air Conditioner
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(8) Place back the caps of the liquid valve, gas valve and also the service port.
For large-size units, there are maintenance ports for liquid valve
and gas valve. During evacuation, you may connect the two hoses of the branch
valve assembly to the maintenance ports to speed up the evacuation.
3.2.4 Refrigerant Adding
See the following table for the amount of additional refrigerant.
Item
Model
Standard
pipe length
Unnecessary
charge pipe
length
Additional refrigerant
amount for extra pipe
AUD36W/A-D(U)
AUD60W/A-D(U)
24.6
31.2
.32Oz per foot
3.2.5 Installation of Drain Pipe
3.2.5.1 Outdoor Side Drainage Pipe
(1) If the outdoor unit is underneath the indoor unit, arrange the pipeline
according to the following diagram.
1) Drain hose should be placed on the ground and its end should not be
immersed into water. The whole pipeline should be supported and fixed
onto the wall.
2) Wind the insulating tape from bottom to top.
3) The whole pipeline should be wound with insulating tape and fixed onto
the wall with saddles.