38
9 Secure the wire onto the control board with the holder (clamp).
10 After completing wiring connections, reattach the particular plate and control board cover (metal and plastic)
to the original position with the screws.
11 For wire stripping and connection requirement, refer to instruction 11.1.6 of indoor unit.
11.2.6 Pipe
Insulation
1 Please carry out insulation at pipe connection portion as mentioned in Indoor/Outdoor Unit Installation
Diagram. Please wrap the insulated piping end to prevent water from going inside the piping.
2 If drain hose or connecting piping is in the room (where dew may form), please increase the insulation by
using POLY-E FOAM with thickness 1/4" (6 mm) or above.
11.2.6.1 Cutting
and
Flaring the Piping
1 Please cut using pipe cutter and then remove the burrs.
2 Remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused.
Turn the piping end down to avoid the metal powder entering the pipe.
3 Please make flare after inserting the flare nut onto the copper pipes.
WARNING
This equipment must be properly earth grounded.
•
Ground lead wire shall beYellow/Green (Y/G) in colour and longer
than other lead wires for electrical safety in case of the slipping.
Holder
Power supply
cord
Indoor & outdoor
connection cable
Terminal
Board
Ground
wire longer
than other
AC wires
for safety
reasons
Ground
wire longer
than other
AC wires
for safety
reasons
Terminal
Board
Holder
Control Board
Metal Cover
Top Panel
Connecting
Wires
Lock Nuts
Knockout
Holes
Plugs
Side Panel
Connectors
Control Board
Cover (Plastic)
applicable for E12***
Control Board
Cover (Metal)
Lock Nuts
Knockout
Holes
Plugs
Connectors
Control Board Cover (Plastic)
wire clip
Front Panel
Connecting Wires
Particular Plate’s
opening holes
Particular Plate
applicable for E18***
•
Make sure all power
supply and indoor
outdoor connecting
wires are guided
through wire clip which
is located near opening
hole internally.
•
Make sure all wires do
not have excess length
internally.
1. To cut
Reamer
2. To remove burrs
3. To flare
Point down
Pipe
Inclined Surface
damaged
Cracked Uneven
thickness
Bar
0 –
1
/
32
"
(0-0.5 mm)
When properly flared, the internal surface of the flare will evenly shine
and be of even thickness. Since the flare part comes into contact with
the connections, carefully check the flare finish.
■
Improper flaring
■
Copper pipe
Bar
Handle
Core
Yoke
Clamp handle
Red arrow mark