EK18
4PW34861-1A
1
I
NTRODUCTION
This kit is an obligatory option especially designed for ensuring
optimum operation of the system in case the outdoor unit is installed
between 50 and 90 m above the lowest indoor unit.
C
ONTENT
OF
THE
KIT
The kit includes all necessary parts and instructions for building the
difference in height installation kit into the outdoor unit. See
.
N
ECESSARY
TOOLS
FOR
PROCESSING
I
NSTALLATION
PROCEDURE
Follow procedure steps as visualized in figures and as listed in table
below.
I
MPACT
OF
THIS
KIT
ON
STANDARD
INSTALLATION
PROCEDURES
The obligatory installation of this kit has no impact on:
■
Connection ratio of total allowed indoor unit capacity;
■
Equivalent pipe length between outdoor and indoor units;
■
Automatic charging of refrigerant;
■
Leak detection function;
■
Indoor unit installation conditions and the required field settings
resulting from these conditions.
N
OTES
EKLD90P12
EKLD90P18
Difference in height installation kit up to 90 m
Instruction manual
EKLD90P12
EKLD90P18
1
Brazing equipment
Brazing equipment
2
Wire cutter
Wire cutter
3
–
Pipe cutter
Make sure to permanently cool the liquid stop valve when
brazing.
EKLD90P12
EKLD90P18
See
.
See
.
1
Braze the standard installed
pinched pipe loose from the
tube that is brazed to the liquid
side stop valve.
1
Cut the standard installed liquid
pipe at the specified length
beneath the liquid side stop
valve as indicated in the
illustration.
2
Position the option kit behind the compressor as indicated in the
illustration.
3
Match the pipe-end at the
position where the pinched pipe
was brazed loose.
3
Match the pipe-end at the
position where the liquid pipe
was cut.
4
Match the non-return check valve (insulated part) and filter part of the
option kit against the insulation on the 2-way suction pipe behind the
compressor.
Fix the option part (both the non-return check valve and the filter
together) against the insulation on the 2-way suction pipe by firmly
strapping the 2 parts with the supplied tie-wrap as illustrated.
5
Perform brazing of the option kit.
Installation of this kit requires that the size of the main
liquid pipe be increased.