Grundig GIN 090, Installation Manual

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Split-type room air conditioner / Installation Manual
15 / 56 EN
5 Indoor unit installation
C
Note for concrete or brick walls:
If the wall is made of brick, concrete, or similar material, drill 5mm-diameter (0.2in-
diameter) holes in the wall and insert the sleeve anchors provided. Then secure the
mounting plate to the wall by tightening the screws directly into the clip anchors.
Step 3: Drill wall hole for connective piping
You must drill a hole in the wall for refrigerant piping, the drainage pipe, and the signal cable that will
connect the indoor and outdoor units.
1. Determine the location of the wall hole based on the position of the mounting plate. Refer to
Mounting Plate Dimensions on the next page to help you determine the optimal position. The
wall hole should have a 65mm (2.5in) diameter at least, and at a slightly lower angle to facilitate
drainage.
2. Using a 65-mm (2.5in) core drill, drill a hole in the wall. Make sure that the hole is drilled at a slight
downward angle, so that the outdoor end of the hole is lower than the indoor end by about 5mm to
7mm (0.2-0.275in). This will ensure proper water drainage. (See Fig. 5.2)
3. Place the protective wall cuff in the hole. This protects the edges of the hole and will help seal it
when you finish the installation process.
A
Warning
When drilling the wall hole, make sure to avoid wires, plumbing, and other sensitive
components.
Wall
Fig. 5.2
Outdoor Indoor
5-7 mm
(0.2-0.3in)