Piping And Drain Hose Installation - Carrier 42UQV050M Series Installation Manual

Control wire
Hole for hang
remote controller
Remote controller
Remote controller
"
Screw
Tighten firmly but not over
0.15 N·m (0.02 kgf·m)
* Remark : 1. Recommend to use double insulation lead wire for connect
remote control and air conditioner.
2. For wire operation, 1 remote control can control only 1 indoor
unit.
3. In wire operation, remote controller will return to initial
condition (PRESET, TIMER and CLOCK will return to initial
condition) when user shutdown power supply of Air
conditioner.
How to install the air inlet grille on the indoor unit
• When attaching the air inlet grille,
perform the same process as for
removal but in reverse order.

Piping and Drain Hose Installation

Piping and drain hose forming
* Since dewing results in a machine trouble, make sure to insulate both
connecting pipes. (Use polyethylene foam as insulating material.)
Rear right
Rear left
Bottom left
Left
Bottom right
Right
1. Die-cutting front panel slit
Cut out the slit on the leftward or right side of the front panel for the left
or right connection and the slit on the bottom left or right side of the front
panel for the bottom left or right connection with a pair of nippers.
2. Changing drain hose
For leftward connection, bottom-leftward connection and rear-leftward
connection's piping, it is necessary to change the drain hose and drain
cap.
Control wire
Screw (∅3.1 x 16L) for
hang remote controller
Wall
Screw (∅3.1 x 25L) for
fix battery cover
#
Battery cover
$
6
How to remove the drain hose
• The drain hose can be removed by removing the
screw securing the drain hose and then pulling out
the drain hose.
• When removing the drain hose, be careful of any
sharp edges of steel plate. The edges can injuries.
• To install the drain hose, insert the drain hose
firmly until the connection part contacts with heat
insulator, and then secure it with original screw.
How to remove the drain cap
Clip the drain cap by needle-nose
pliers and pull out.
How to fix the drain cap
1) Insert hexagon
wrench (4 mm)
in a center head.
4 mm
2) Firmly insert the drain cap.
No gap
Insert a hexagon
wrench (4 mm).
CAUTION
Firmly insert the drain hose and drain cap; otherwise, water may leak.
In case of right or left piping
• After scribing slits of the front panel
with a knife or a making-off pin,
cut them with a pair of nippers or
an equivalent tool.
In case of bottom right or bottom left piping
• After scribing slits of the front panel
with a knife or a making-off pin,
cut them with a pair of nippers or
an equivalent tool.
Left-hand connection with piping
• Bend the connecting pipe so that it is laid within 43 mm above the wall
surface. If the connecting pipe is laid exceeding 43 mm above the wall
surface, the indoor unit may unstably be set on the wall.
When bending the connecting pipe, make sure to use a spring bender so as
not to crush the pipe.
Bend the connecting pipe within a radius of 30 mm.
To connect the pipe after installation of the unit (figure)
(To the forefront of flare)
520 mm
Gas side
420 mm
Liquid side
Outward form of indoor unit
R 30 mm (Use polisin (polyethylene)
core or the like for bending pipe.)
Use the handle of screwdriver, etc.
Heat insulator
Drain hose
Do not apply lubricating oil
(refrigerant machine oil) when
inserting the drain cap. Application
causes deterioration and drain
leakage from the plug.
Slit
Slit
Carrier 1110651814 (EN)