PRODUCT DESIGN
7
CLEARANCES
48”
Min.
48”
Min.
36”; minimum
roof overhang
48”
*In situations that have multiple units, a 48" minimum
clearance is required between the condenser coils.
UNIT CLEARANCES
Adequate clearance around the unit should be kept for safety,
service, maintenance, and proper unit operation. A total
clearance of 75” around this unit is recommended to facilitate
possible blower assembly, shaft, wheel replacement, coil,
heat exchanger, electric heat and gas furnace removal. This
unit must not be installed beneath any obstruction. This unit
should be installed remote from all building exhausts to inhibit
ingestion of exhaust air into the unit’s fresh air intake.
PROTRUSION
Inspect curb to ensure that none of the utility services
(electric) routed through the curb protrude above the curb.
I
F
PROTRUSIONS
EXIST
,
DO
NOT
ATTEMPT
TO
SET
UNIT
ON
CURB
.
I
NFORMATION
SHOWN
.
CAUTION
ELECTRICAL WIRING
HIGH VOLTAGE !
D
ISCONNECT
ALL
POWER
BEFORE
SERVICING
OR
INSTALLING
THIS
UNIT
. M
ULTIPLE
POWER
SOURCES
MAY
BE
PRESENT
. F
AILURE
TO
DO
SO
MAY
CAUSE
PROPERTY
DAMAGE
,
PERSONAL
INJURY
OR
DEATH
.
WARNING
HIGH VOLTAGE !
T
O
AVOID
PERSONAL
INJURY
OR
DEATH
DUE
TO
ELECTRICAL
SHOCK
,
DO
NOT
TAMPER
WITH
FACTORY
WIRING
. T
HE
INTERNAL
POWER
AND
CONTROL
WIRING
OF
THESE
UNITS
ARE
FACTORY
-
INSTALLED
AND
HAVE
BEEN
THOROUGHLY
TESTED
PRIOR
TO
SHIPMENT
. C
ONTACT
YOUR
LOCAL
REPRESENTATIVE
IF
ASSISTANCE
IS
REQUIRED
.
WARNING
T
O
PREVENT
DAMAGE
TO
THE
WIRING
,
PROTECT
WIRING
FROM
SHARP
EDGES
. F
OLLOW
NATIONAL
ELECTRICAL
CODE
AND
ALL
LOCAL
CODES
AND
ORDINANCES
. D
O
NOT
ROUTE
WIRES
THROUGH
REMOVABLE
ACCESS
PANELS
.
CAUTION
C
ONDUIT
AND
FITTINGS
MUST
BE
WEATHER
-
TIGHT
TO
PREVENT
WATER
ENTRY
INTO
THE
BUILDING
.
CAUTION
For unit protection, use a fuse or HACR circuit breaker that
is in excess of the circuit ampacity, but less than or equal to
the maximum overcurrent protection device. DO NOT EX-
CEED THE MAXIMUM OVERCURRENT DEVICE SIZE
SHOWN ON UNIT DATA PLATE.
All line voltage connections must be made through weather-
proof fittings. All exterior power supply and ground wiring
must be in approved weatherproof conduit.
The main power supply wiring to the unit and low voltage
wiring to accessory controls must be done in accordance
with these instructions, the latest edition of the National
Electrical Code (ANSI/NFPA 70), and all local codes and
ordinances. All field wiring shall conform with the tempera-
ture limitations for Type T wire (63°F/35°C rise).
The main power supply shall be three-phase, three wire. The
unit is factory wired for the voltage shown on the unit’s data
plate.
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