3-9. Mounting
■
(1)Shape the refrigerant tubing so that it can easily go into the wall hole. (Fig. 24)
CAUTION | If using a stepladder, be careful | |
to keep your balance and not | ||
| ||
| ||
| fall off. To prevent the unit | |
| from damage and avoid per- | |
| sonal injury, ask for someone’s | |
| help when feeding the tubing | |
| through the hole because the | |
| unit is heavy and difficult to | |
| hold in place. |
Cover
Refrigerant tubing
Drain hose
Fig. 24
(2) | Push the wiring, refrigerant tubing, and drain hose |
| through the hole in the wall. Adjust the indoor unit so |
| it is securely seated on the rear panel. |
(3) | Carefully bend the tubing (if necessary) to run along |
Pipe bending tool
b
a
b / a = 0.7 or more
the wall in the direction of the outdoor unit and then |
tape as far as the fittings. |
CAUTION | The air conditioner’s perfor- | |
mance will be deteriorated if a | ||
| ||
| ||
| tube is crushed. To prevent | |
| crushing of the tube, avoid | |
| sharp bends. Use a pipe bend- | |
| ing tool to bend the tube. | |
| (Fig. 25) |
(4)Connect the refrigerant tubing to the outdoor unit. (After performing a leak test on the connecting part, insulate it with tubing insulation. (Fig. 26)) Also, refer to Section
(5)Assemble the refrigerant tubing, drain hose, and
Fig. 25
Insulation (Field supply)
Fig. 26
Refrigerant tubing
Conduit | Drain hose |
Fig. 27
11