Service Guide

25
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.
Installing and Dismantling Indoor Unit
1. Installation
During the installation of this series machines,
fasten the wall pad on the wall first, 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.
2. Dismantling
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.
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 confirm 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.
Cutting and Enlarging
Vacuumizing
Open All Valves
Checkup for Air Leakage
Connecting