Adjusting Of Unit Level - York IDH072B21S Series Installation And Maintenance Manual

(1) Prepare the suspension bolts, washers, nuts
and vibration-proof rubbers, as shown in
Figure 5.4.
(2) Suspension Indoor Unit
* Hook the suspension bracket to the nut, washer and vibration-proof rubber of each suspension bolt,
as shown, starting at the opposite side and working over to the service cover side.
* After verifying that the nut, washer and vibration-proof rubber are correctly affixed to the retainers on
the suspension bracket, hook the suspension bracket of the service cover side to the nut, washer and
vibration-proof rubber. (Hold the suspension bolts away from the unit when fastening.)
Vibration-proof
Rubber
5.4

Adjusting of Unit Level

(1) Use a level to verify that the unit is perfectly horizontal. There should be no degree of slope present.
(2) The unit should be installed so that the rear side of the unit is slightly (0 to 3/16 inch (0 to 5mm)) lower
than the front side, to allow for proper drainage.
(3) Tighten the bolts of the nuts with the suspension brackets after adjustment is completed.
Adhesive must be applied to the bolts in order to prevent them from loosening.
NOTE:
During position the installation process, keep the unit well covered with vinyl cover and related
components covered until it is time to hoist into position.
P01432Q-rev.1
Left Side
Suspension
Bracket
Nut and
Washer
Figure 5.5 Suspended Indoor Unit
Figure 5.6 Adjusting of Unit Level
Retaining Nut
Washer
Vibration-proof
Rubber
Vibration-proof
Rubber
Washer
Figure 5.4 Suspension Bolts and Nuts
Suspension Bolt
Suspension Bracket
Indoor Unit
Right Side
(Service Cover Side)
Indoor Unit
Nut
11