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EDUS281120_a
Installation of indoor unit
RZR-P, RZQ-P(9)
143
3PN06240-12Q
7
English
When hanging the indoor unit main body, be sure to
(5)
use a level or a plastic tube with water in it to make sure
the drain piping is set either level or slightly tilted, in
order to ensure proper drainage. (Refer to Fig. 12)
1˚ or less
1˚ or less
1˚ or less
A
A.B
B
Fig. 12
A.When the drain piping is tilted to the right, or to the right
and back.
Place it level, or tilt it slightly to the right or the back. (1° or less.)
B.When the drain piping is tilted to the left, or to the left and
back.
Place it level, or tilt it slightly to the left or the back. (1° or less.)
CAUTION
Setting the unit at an angle opposite to the drain piping might
•
cause a water leakage.
REFRIGERANT PIPING WORK
6.
DANGER
Refrigerant gas may produce toxic gas if it comes in contact
•
with fi re such as from a fan heater, stove or cooking device.
Exposure to this gas could cause severe injury or death.
CAUTION
Use a pipe cutter and fl are suitable for the type of refrig-
•
erant.
To prevent dust, moisture or other foreign matter from infi l-
•
trating the tube, either pinch the end or cover it with tape.
Do not allow anything other than the designated refrig-
•
erant to get mixed into the refrigerant circuit, such as air,
etc. If any refrigerant gas leaks while working on the
unit, ventilate the room thoroughly right away.
GENERAL INSTRUCTIONS
6-1
For refrigerant pipe of outdoor units, see the installation
•
manual attached to the outdoor unit.
Execute thermal insulation work completely on both
•
sides of the gas pipe and the liquid pipe.
Otherwise, a water leakage can result.
"ESURETOUSEINSULATIONTHATISDESIGNEDFORUSE
WITH(6!#SYSTEMS
Also, in cases where the temperature and humidity of
•
the refrigerant pipe sections might exceed 86ºF or RH
80%, reinforce the thermal insulation. (3/4 in. or thicker)
Condensate may form on the surface of the insulation
pipe cover.
Before refrigerant pipe work, check which type of refrig-
•
erant is used.
Proper operation is not possible if the types of refriger-
ant are not the same.
CONNECTING THE REFRIGERANT PIPE
6-2
The outdoor unit is charged with refrigerant.
•
Use copper alloy seamless pipes.
•
Be sure to use both a spanner and torque wrench together,
•
as shown in the drawing, when connecting or disconnecting
pipes to/from the unit.
(Refer to Fig. 13)
Refer to “Table 2” to determine the proper tightening torque.
•
Refer to “Table 2” for the dimensions of fl are shape.
•
When connecting the fl are nut, coat the fl are section with
•
ester oil or ether oil, rotate three or four times fi rst, then
screw in.
(Refer to Fig. 14)
Torque wrench
Flare nut
Pipe union
Spanner
Fig. 13
CAUTION
Be careful for oil not to adhere to any portions other than a
•
fl are part. If oil adhere to resin parts etc., there is a possibil-
ity of damaging by deterioration.
Fig. 14
Ester oil or ether oil.
NOTE
Use the fl are nut included with the unit main body.
•
Table 2
Pipe size
(in.)
Tightening torque
(ft. lbf)
Flare dimensions A
(in.)
Flare shape (in.)
φ
3/8
24.1-29.4
0.504-0.520
R0.016-0.031
A
90˚± 2˚
45˚±2˚
φ
5/8
45.6-55.6
0.760-0.776
CAUTION
Overtightening may damage the fl are and cause a refrigerant
•
leakage
Not recommended but in case of emergency
You must use a torque wrench, but if you are obliged to install
the unit without a torque wrench, you may follow the installa-
tion method mentioned below.
When you keep on tightening the fl are nut with a spanner,
there is a point where the tightening torque suddenly
increases. From that position, further tighten the fl are nut
the angle shown below :
Summary of Contents for SkyAir RZQ-P Series
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Page 41: ...Dimensions and service space EDUS281120_a 40 RZR P RZQ P 9 3D047381B ...
Page 47: ...Wiring diagrams EDUS281120_a 46 RZR P RZQ P 9 FAQ18PVJU FAQ24PVJU 3D046039D ...
Page 61: ...Safety devices list EDUS281120_a 60 RZR P RZQ P 9 8 3 FAQ FAQ18PVJU FAQ24PVJU 4D047085B ...
Page 91: ...Capacity tables EDUS281120_a 90 RZR P RZQ P 9 RZR36PVJU RZR42PVJU 3D071685 ...
Page 92: ...EDUS281120_a Capacity tables RZR P RZQ P 9 91 RZQ36PVJU9 RZQ42PVJU9 C 3D047383B ...
Page 101: ...Sound Levels Reference EDUS281120_a 100 RZR P RZQ P 9 FBQ18PVJU FBQ24PVJU FBQ30PVJU FBQ36PVJU ...
Page 102: ...EDUS281120_a Sound Levels Reference RZR P RZQ P 9 101 FBQ42PVJU ...
Page 104: ...EDUS281120_a Sound Levels Reference RZR P RZQ P 9 103 RZQ42PVJU9 RZR42PVJU 4D072769 ...