546
T
C
P
W
Cutting and Enlarging
Connecting
Vacuumizing
Open All Valves
Checkup for Air Leakage
1. Installation
Cutting or enlarging pipes should be proceeded   by 
installation personnel according to the operating 
criterion if the tube is too long or are opening is 
broken.
1. Connecting circular terminals:
The connecting method of circular terminal is 
shown in the Fig. Take off the screw, connect it to 
the terminal tier after heading it through the ring at 
the end of the lead and then tighten it.
2. Connecting straight terminals:
The connection methods for the circular terminals 
are shown as follows: loosen the screw before 
putting the line terminal into the terminal tier, 
tighten the screw and conrm it has been clamped 
by pulling the line gently.
3. Pressing connecting line
After connecting line is completed, press the 
connecting line with clips which should press on 
the protective sleeve of the connecting line.
Vacuumize from the stop valve of outdoor units 
with vacuum pump. Refrigerant sealed in indoor 
machine is not allowed to use for vacuumization.
Open all the valves of outdoor units. [NB: oil 
balancing stop valve must be shut up completely 
when connected one main unit.]
Check if there is any leakage at the connecting part 
and bonnet with hydrophone or soapsuds.
A
A
2. Dismantling
During the installation of this series machines, fasten 
the wall pad on the wall rst, hang the machine on the 
pothook, push it towards the wall pad until the sound 
of 'pa' 'pa' is heard. At this time, the agraffes of the 
indoor unit have hitched on the pad, as shown in the 
Fig.1 with dotted line.
During dismantling this series machines, push 
agraffes at the bottom of indoor unit upwards to 
release them, as shown in Fig.3, and pull up the 
bottom of indoor unit outwards gently and then raise 
the unit upwards in the bevel direction to release the 
pothook at the upper part of the wall pad, as shown in 
Fig.3. 
Installing and Dismantling Indoor Unit