3-15. Suspending the Indoor Unit
Depending on the ceiling type:
•Insert suspension bolts as shown in Fig.
•Use existing ceiling supports or construct a suitable support as shown in Fig.
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Concrete | Insert |
Suspension bolt (M10 or 3/8") (field supply)
WARNING
U
It is important that you use extreme care in supporting the indoor unit inside the ceiling. Ensure that the ceiling is strong enough to support the weight of the unit. Before hanging the unit, test the strength of each attached suspension bolt.
Fig.
Ceiling tiles
Ceiling support
(1) | When placing the unit inside the ceiling, determine the pitch of |
| the suspension bolts referring to the dimensional data on the |
| previous page. (Fig. |
| Tubing must be laid and connected inside the ceiling when |
| suspending the unit. If the ceiling is already constructed, lay the |
| tubing into position for connection to the unit before placing the |
| unit inside the ceiling. |
(2) | Screw in the suspension bolts allowing them to protrude from |
| the ceiling as shown in Fig. |
| necessary.) |
(3) | Thread the 3 hexagonal nuts and 2 washers (field supply) onto |
| each of the 4 suspension bolts as shown in Figs. |
| Use 1 nut and 1 washer for the upper part, and 2 nuts and 1 |
| washer for the lower part, so that the unit will not fall off the |
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| Suspension bolt | ||||||
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Nuts and washers |
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| Suspension lug | |||||||
(use for upper and lower) |
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suspension lugs. |
Double nuts
Notch
Fig.
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| Suspension bolt |
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| Hexagonal nut |
● Fig. | Double nuts | |
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| Bolt anchor |
Air outlet duct |
| Fig. |
| Suspension bolt | |
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Ceiling material | Indoor unit |
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Fig.
40