Installation Procedure
13
Notes:
1.For electrical heating unit, the air outlet not allowed directly connecting with canvas
etc. easy catching fire goods.
2.This series' indoor unit are all middle static pressure(30 Pa external static pressure ).
3.An access port must be provided during installation of indoor unit for maintenance.
After selecting the unit installation location, proceed the following steps:
1. Drill a hole in the wall and insert the connecting pipe and wire through a PVC wall-through tube
purchased locally. The wall hole shall be with a outward down slope of at least 1/100. (See
Figure 2)
2. Before drilling check that there is no pipe or reinforcing bar just behind the drilling position.
Drilling shall avoid at positions with electric wire or pipe.
3. Mount the unit on a strong and horizontal building roof. If the base is not firm, it will cause
noise, vibration or pipe broken and refrigerant leakage (see Figure 6).
4. Support the unit firmly.
5. Change the form of the connection pipe, connection wire and drain pipe so that they can go
through the wall hole easily.
Figure showing installation dimensions: (unit:mm)
Model
a
b
c
d
e
f
g
i
Series 18-21
Series 07-09
Series 12-14
648
125
804
125
1120
125
615
770
1060
450
450
450
220
220
220
80
80
80
225
225
225
100
100
100
Fig 2
a
i
e
g
f
b
c
d
