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ON ON
CGYRWW1
W2
O
Low Voltage
Terminal Strip
Low Voltage Connection
Heater Kit Control Box
Low Voltage
Terminal Strip
Low Voltage Connection
Unit Control Box
C
G
Y
R
W
W1
W2
O
123
456
789
1
3
L2
L1
4
5
T
HERMOSTAT
CB1
GY
BU
RD
0R
GY
BU
RD
BR
BR
BR
YL
YL
BK
VT
RD
VT
BR
BK BK
RD
RD
BU
BK
BK
BK
BK
BK
BK
OL
OL
10KW
FIELD
CONNECTION
208/240 VAC
1
ø
USE COPPER
CONDUCTORS
ONLY-75°C MIN
RD
L2
L1
CB2
GND-75
SEQUENCER #1
RD
BK
GN
208/230 VAC 1
ø
T2
T1
TO CONTACTOR
Field Connection
Refer to the unit wiring diagram (see back of manual) for electrical
connections. When installed, the unit must be electrically grounded
in accordance with local codes or in the absence of local codes, with
the National Electrical Code, ANSI/NFPA No. 70, and/or the CSA
C22.1 Electrical Code, if an external source is utilized.
WARNING
T
O AVOID THE RISK OF ELECTRICAL SHOCK, WIRING TO THE UNIT MUST BE
POLARIZED AND GROUNDED.
CAUTION
T
O AVOID PROPERTY DAMAGE OR PERSONAL INJURY DUE TO FIRE, USE
ONLY COPPER CONDUCTORS.
CAUTION
T
O PREVENT IMPROPER AND DANGEROUS OPERATION DUE TO WIRING
ERRORS, LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICING
CONTROLS.
V
ERIFY PROPER OPERATION AFTER SERVICING.
The best protection for the wiring is the lowest rated fuse or circuit
breaker which will supply power to the unit during normal operation
without nuisance trips. Such a device will provide maximum circuit
protection. DO NOT EXCEED THE MAXIMUM OVERCURRENT
DEVICE SIZE SHOWN ON UNIT DATA PLATE.
All line voltage connections must be made through weatherproof
fittings. All exterior power supply and ground wiring must be in ap-
proved weatherproof conduit. Low voltage wiring from the unit con-
trol panel to the thermostat requires coded cable.
FLEXIBLE WIRING SETUP
Line and low voltage wiring must enter the unit as shown.
ELECT.
CONTROL
BOX
EVAP
COIL
COMPRESSOR
LOW
VOLTAGE
REAR VIEW
SIDE VIEW
ELECTRICAL
SIDE VIEW
BLOWER
ELECTRICAL
SUPPLY
AIR
RETURN
AIR
HEATER
KIT
For knockout locations, see dimension drawing in the Product Data
Book applicable to your model* . Use the Single Point wiring kit to
add further flexibility to the installation wiring.
UNIT VOLTAGE
The unit transformer is factory connected for 230V operation. If the
unit is to operate on 208V, reconnect the transformer primary lead
as shown on the unit wiring diagram.
AIR CIRCULATION AND FILTERS
DOWNSHOT AIRFLOW CONVERSION
Units are shipped from the factory ready for horizontal airflow. These
units can be easily converted from horizontal to downshot airflow
delivery. If conversion to vertical airflow is necessary, proceed as
follows:
Blower Rotation
1. Cut insulation around bottom openings and remove panels
from the bottom of the unit, saving the screws holding the
panels in place.
2. From the rear of the unit, remove the four (4) screws securing
the blower assembly in place and loosen the two (2) screws
directly below the duct opening.
*NOTE: Please contact your distributor or our website for the applicable product data book referred to in this manual.