Comfort-Aire CD-121J - Manual (Page 11)

Heat Controller, Inc. Room Air Conditioner with R-410A Owner’s Manual
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INSTALLATION INSTRUCTIONS
Electrical Shock and Personal Injury Hazard
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NOTE: These instructions describe installation in a typical wood framed window with a wood SLIDE
-BY sash, or installation in a metal CASEMENT window. Modification may be necessary when installing
in windows made differently than those shown in these instructions.
A high widow accessory kit is available for window heights up to 62 (1575mm).
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Meeting Electrical Requirements
WARNING !
Electrical ground is required on this appliance.
DO NOT ground to a gas line.
If cold water pipe is interrupted by plastic,
non-metallic gaskets, or other insulating
materials, DO NOT use for grounding.
Check with a qualified electrician if you are
in doubt as to whether the appliance is pro-
perly grounded.
DO NOT modify power supply cord plug. If it
does not fit outlet, have a proper outlet
installed by a qualified electrician.
DO NOT have a fuse in the neutral or
grounding circuit. A fuse in the neutral, or
grounding circuit could result in an electrical
shock.
DO NOT use an extension cord with this
appliance.
Failure to follow these instructions could result
in electrical shock, serious injury, or death.
Observe all local governing codes
and ordinances.
Do not, under any circumstances,
remove the power supply cord
grounding prong.
NOTE:
Receptacle wiring
Electrical requirements
If codes permit, and a separate grounding
wire is used; it is recommended that a qualified
electrican determine that the grounding path is
adequate and not interrupted by plastic, non-
metallic gaskets, or other insulating materials.
Receptacle wiring should be a minimum of 14
gauge. Use copper wire only. It is your responsibility
to provide proper and adequate receptacle wiring,
installed by a qualified electrician.
A time delay fuse or time delay circuit breaker is
also required. A separate circuit, serving only this
appliance, MUST be provided.
Preparing for Installation
Installation Tips
For wood-frame casement windows:
For brick or cement building construction:
Tools Required:
It may be necessary to construct a frame, using at least
1-inch thick wood, with a 15-1/2-inch wide opening.
It may be necessary to put a wood stool strip under
AC, for mounting purposes.
Flat-head screwdriver
Phillips-head screwdriver
Carpenter s level
Tape measure
Fine tooth saw
Electric or hand drill
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Observe all national and local
governing codes and ordinances.