Johnson Controls YIFFZC012BAEFA, User Manual

Page: 14 / 24

Installation Procedure
14
MOUNT THE COVER PLATE AND THE INTAKE GRILL
1.Mount the cover plate (right)
(1) Cut a pipe exit hole in the right plate. This is only when
the pipe exits from the right side. This operation is not required
when the protrusion is on the top or rear.
Cover plate (right)
Join the cover plate (left) and mount with screws.
2. Mount the cover plate (left)
(2) Insert the hinges on the bottom of the intake grill into the
holes in the base assembly. Then mount the arms to the
three areas on the top of the intake grill.
(2) Join the cover plate (right) and mount with screws.
31
(1) Cut the right side of the intake grill. This is only when
the pipe exits from the right side
3. Mount the intake grill.
Indoor Unit
CONNECTING THE PIPING
1. Flare processing
(1) Cut the connection pipe with pipe cutters so that the pipe is not deformed.
(2) Holding the pipe downward so that cuttings cannot enter the pipe, remove
the burrs.
(3) Remove the flare nut from the indoor unit pipe and outdoor unit and
assemble as shown in Table1 and insert the flare nut onto the pipe, and
flare with a flaring tool.
(4) Check if the flared part "L" (Fig.1) is spread uniformly and that there are
no cracks.
Table 1
Pipe Flare nut
Small pipe
Large pipe
Small (width across flats 22mm)
Large (width across flats 24mm)
OK
NO
Extend the pipe by unwinding it
2. Bending pipes
The pipes are shaped by your hands. Be
careful not to collapse them.
L
Width across flats
L dimension
Fig.1
(5) Capillary accessory should be installed between indoor unit and
connecting pipe. The capillary accessory was put in accessory bag in
indoor unit
Diameter of pipe Dimension A (mm) Pipe Model
Liquid pipe
Gas pipe 9.52mm (3/8")
15.88mm (5/8")
1.4~2.2
A
Pipe expander
YIFFYC012BAEFA
YIFFYC018BAEFA