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Installing the Indoor Unit
Hazardous Service Procedures!
The maintenance and troubleshooting procedures recommended in this section of the
manual could result in exposure to electrical, mechanical or other potential safety
hazards. Always refer to the safety warnings provided throughout this manual
concerning these procedures. Disconnect all electrical power including remote
disconnect and discharge all energy storing devices such as capacitors before
servicing. Follow proper lockout/tag out procedures to ensure the power can not be
inadvertently energized. When necessary to work with live electrical components, have
a qualified licensed electrician or other individual who has been trained in handling live
electrical components perform these tasks. Failure to follow all of the recommended
safety warnings provided, could result in death or serious injury.
Mounting Location
1. Confirm the mounting location with the customer. Keep in mind the basic installation
guidelines on page 12.
2. Place the wall-mounting frame on the wall and check that it is level. Mark the screw
holes to be drilled, ensuring they are in a place with adequate support.
a) It is equally important to assure the mounting surface (i.e. wall) is flat. Use a
straight edge to assure the section of the mounting surface, in which the unit will
be secured, is neither concave or convex.
b) For corrugated walls, indoor unit installation is recommended on a solid
backing affixed to the wall.
3. Drill the holes on the wall according to the selected marks. If the mounting bracket
cannot be directly affixed to wall studs or other solid backing, wall anchors shall be
used to secure mounting bracket.
4. Attach the wall-mounting frame with the supplied tapping screws and check to make
sure it is firmly attached. If any of the screws or anchors are loose, select another
point on the frame to re-drill and attach securely.
5. Be sure that the wall-mounting frame has been secured firmly enough to withstand
the weight of the unit. The weight should be evenly distributed to the fasteners.
6. Prior to leaving the job site, seal any and all openings in the wall caused by the
installation process.
WARNING
13
25 Series Single Zone
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