12
E. GROUNDING
THE UNIT MUST BE PERMANENTLY GROUNDED. A
GROUNDING LUG IS PROVIDED IN THE ELECTRIC
HEAT ACCESS AREA FOR A GROUND WIRE. FAILURE
TO GROUND THIS UNIT CAN RESULT IN FIRE OR
ELECTRICAL SHOCK CAUSING PROPERTY DAMAGE,
SEVERE PERSONAL INJURY OR DEATH.
GROUNDING MAY ALSO BE ACCOMPLISHED BY
GROUNDING THE POWER LINE CONDUIT TO THE
UNIT. MAKE SURE THE CONDUIT NUT LOCKING TEETH
HAVE PIERCED THE INSULATING PAINT FILM OF THE
SIDE PANEL.
F. THERMOSTAT
The thermostat should be mounted on an inside wall about
five feet above the floor in a location where it will not be
affected by unconditioned air, sun, or drafts from open doors
or other sources. READ installation instructions in heat
pump thermostat package CAREFULLY because each has
some different wiring requirements.
XI. INDOOR AIR FLOW DATA
Belt-drive blower models have motor sheaves set for proper
CFM at a typical external static. See Tables E and F for blower
performance.
XII. CRANKCASE HEAT (OPTIONAL)
Crankcase heat is not required on scroll type compressors, but
may be desirable under certain conditions. Wires have been
provided for the addition of crankcase heaters (see wiring dia-
grams).
WARNING
!
FIGURE 18
A0886-34
FIGURE 19
A0886-32
FIGURE 17. THERMOSTAT CONNECTIONS DIAGRAMS
A0823-01
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