Service Valve Connections
a)Temporary connection:
Screw in 3 – 5 turns by hand. (Fig. 60c)
b)To fasten the flare nuts, apply specified torque as Table 9 and Fig. 60d.
Table 9
Tube Dia. | Nut | Tightening Torque |
|
|
|
1/4" (6.35 mm) | 21/32" (17 mm) | Approx. 120 – 160 lbs·in (140 – 180 kgf·cm) |
|
|
|
3/8" (9.52 mm) | 7/8" (22 mm) | Approx. 300 – 360 lbs·in (340 – 420 kgf·cm) |
|
|
|
1/2" (12.70 mm) | Approx. 430 – 480 lbs·in (490 – 550 kgf·cm) | |
|
|
|
5/8" (15.88 mm) | Approx. 590 – 710 lbs·in (680 – 820 kgf·cm) | |
|
|
|
Fig. 60c
CAUTION
Torque wrench
Fig. 60d
Be sure to tighten the flare nut using the prescribed torque.
If the nut is over- tightened, refrigerant leakage may occur.
7. Remote Controller Installation Position
The remote controller can be operated from either a
To ensure that the air conditioner operates correctly, do not install the remote controller in the following places:
In direct sunlight
Behind a curtain or other place where it is covered
More than 26' (8 m) away from the air conditioner
In the path of the air conditioner’s airstream
Where it may become extremely hot or cold
Where it may be subject to electrical or magnetic interference
Where there is an obstacle between the remote con- troller and the air conditioner (since a check signal is sent from the remote controller every 5 minutes)
7-1. Mounting on a Wall
Before mounting the remote controller, press the ON/OFF operation button at the mounting location to make sure that the air conditioner operates from that location. The indoor unit should make a beeping sound to indicate that it has received the signal.
Remote control holder
Press
Set in place
Mounting screws 5/32 x 5/8" (4 x 16 mm)
(Included)
Rear side
Hole
To prevent loss of the remote controller, you can connect the remote controller to the holder by passing a string through the remote controller and attachment hole.
To take out the remote controller, pull it forward.
Fig. 61
27
