The Installation Of The Outdoor Unit; Installation Sites; Installation Of The Outdoor Unit - Hisense AUV-18HR4SUA User Manual

8. The Installation of the Outdoor Unit

8.1 Installation sites

Avoid
Direct sunlight
Thick Oil fog
Container With Flammable materials
Near Heat Source/ventilation fan
You should
Pl ace it in cool temperature.
Place it in an area with good ventilation.
Have desired space for air inlet, outlet and
maintenance. (Figure 8.1)
Make a strong base(10X40cm board made of
concrete or alike). The appliance should be placed
not less than 10 cm high to avoid being wet or
corroded. Otherwise, it may cause damage to the
appliance or reduce its life time. (Figure 8.2)
Fix the base with hook bolts or alike to reduce
vibration and noise.
If the total tube length is between 5m and 50m (Max.
length), an additional refrigerant can be added. It's not
necessary to add compressor oil.（Figure 8.3）
Min. 10cm
Air inlet
Min.
Air outlet
5cm
Min.40cm
Aisle Or sideway
Wet Or Uneven place
2
Top obstacle
2m 2m
Air outlet
Min.
5cm
Obstacle
Ground Min.10cm
Air inlet
Fig. 8.1
Setscrew
(at least 4)
Min.10cm
Fig.8.2
Installation and Maintenance
Indoor unit
Height difference H
Max. Tube
Model
length(L)
15(m)
18k
20(m)
24k
30(m)
36k
50(m)
48k/60k
Additional charge(Refrigerant R410A):
For 18k:
Xg = 15g / m × (Total pipe length(m) -5)
For 24k/36K/48K/60K:
Xg =35g / m × (Total pipe length(m) -5)

8.2 Installation of the outdoor unit

Firstly select the installation site and fix the outdoor
unit. If it needs to be fixed onto the wall, make sure
that the wall and the supporting rack is strong enough
to hold the weight of the appliance.
Wiring instruction for outdoor unit
Release the setscrews of the electric cover,
remove the electric cover(if the valve cover is
there either, please release it. )
Connect the indoor unit wiring to the outdoor unit
panel according to the electric wiring diagrams.
Be sure to make each wire allowing 10cm longer
than the required length for wiring.
Ground the unit following local electrical
regulations.
Check the wiring with the wiring diagrams and
make sure it's well connected. Fix the wiring with
clips and reinstall the electric cover.
17
Tube length L
Outdoor unit
Max. Height
Refrigerant
difference(H)
(exceed 5m)
7.5(m)
10(m)
15(m)
15(m)
Fig.8.3
Add.
15(g/m)
35(g/m)
35(g/m)
35(g/m)