Guidelines When Installing A Dryer; To Connect The Refrigerant Piping To The Outdoor Unit - Daikin LRLEQ3BY1 Installation And Operation Manual

Where/how Install the sight glass before the dryer, as near
to the outdoor unit as possible. Install
horizontally.
a Sight glass
b Dryer
When brazing Follow the brazing instructions in the sight
glass manual.
5.3.4

Guidelines when installing a dryer

NOTICE
Do NOT operate the unit without a dryer installed.
Possible consequence: Equipment malfunction.
Install a dryer on the liquid piping:
Dryer type 80 g (100% molecular sieve equivalent)
(DML083/DML083S: Danfoss made)
Where/how Install the dryer after the sight glass, as near to
the outdoor unit as possible. Install
horizontally.
a Sight glass
b Dryer
When brazing Follow the brazing instructions in the dryer
manual.
Remove the dryer cap immediately before
brazing (to prevent absorption of airborne
moisture).
If dryer paint burnt during brazing, repair it. For
repair paint details, contact the manufacturer.
Flow direction If the dryer specifies a flow direction, install
accordingly.
5.3.5 To connect the refrigerant piping to the
outdoor unit
NOTICE
▪ Be sure to use the supplied accessory pipes when
carrying out piping work in the field.
▪ Be sure that the field installed piping does not touch
other pipes, the bottom panel or side panel. Especially
for the bottom and side connection, be sure to protect
the piping with suitable insulation, to prevent it from
coming into contact with the casing.
1 Do the following:
▪ Remove the service cover (a) with screw (b).
▪ Remove the piping intake plate (c) with screw (d).
LRMEQ+LRLEQ3+4BY1
Air-cooled refrigeration condensing unit
4P545024-1 – 2018.09
b
d
2 Choose a piping route (a, b, or c).
a b
a
3 If you have chosen the downwards piping route:
4× Ø6 mm
4 Do the following:
a b
a
c
c
b
▪ Drill (a, 4×) and remove the knockout hole (b).
▪ Cut out the slits (c) with a metal saw.
a b
c c
▪ Connect the liquid pipe (a) to the liquid stop valve.
▪ Connect the gas pipe (b) to the gas stop valve.
b
a
NOTICE
When brazing: First braze the liquid side piping, then the
gas side piping. Enter the electrode from the front of the
unit and the welding torch from the right side to braze with
the flames facing outside and avoid the compressor sound
insulation and other piping.
A
a b c
a Electrode
b Burning-resistant plate
c Welding torch
d Flames
e Compressor sound insulation
f Liquid side piping
g Gas side piping
5 Installation
A
e d c
a b f g
Installation and operation manual
15