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Outdoor Unit
Installation
2. Unscrew the electrical wiring cover and remove it.
3. Unscrew the cable clamp below the terminal
block and place it to the side.
4. Connect the wire according to the wiring
diagram, and firmly screw the u-lug of each
wire to its corresponding terminal.
5. After checking to make sure every connection is
secure, loop the wires around to prevent rain
water from flowing into the terminal.
6. Using the cable clamp, fasten the cable to the
unit. Screw the cable clamp down tightly.
7. Insulate unused wires with PVC electrical tape.
Arrange them so that they do not touch any
electrical or metal parts.
8. Replace the wire cover on the side of the unit,
and screw it in place.
1. Remove the wire cover from the unit by
loosening the 3 screws.
2. Dismount caps on the conduit panel.
3. Temperarily mount the conduit tubes(not
included) on the conduit panel.
4. Properly connect both the power supply and
low voltage lines to the corresponding
terminals on the terminal block.
5. Ground the unit in accordance with local codes.
6. Be sure to size each wire allowing several inches
longer than the required length for wiring.
7. Use lock nuts to secure the conduit tubes.
In North America
Cover
Screw
G
Wire Cover
Over 1.57in.(40mm)
Terminal block
Conduit panel
Connecting cable
Power supply cord
Please select the appropriate through-hole according
to the diameter of the wire.
Voltage
Minimum Circuit
Amps (MCA)
Max Overcurrent
Protection (MOP)
MainMain Power W
Size (AWG)*
208/230V - 1ph 60Hz
208/230V - 1ph 60Hz
208/230V - 1ph 60Hz
9
9
18
20
20
20
12
12
*Main power cable from electrical panel to outdoor unit
Notes:
1. Main power is supplied to outdoor unit only
2. System must be installed on a dedicated circuit
3. Follow all local building codes and NEC regulations
4. Use the above table to size your circuit breaker
12
208/230V - 1ph 60Hz
20 30
10
Three size hole: Small, Large, Medium
When the calbe is not fasten enough, use the
buckle to prop it up , so it can be clamped tightly.
Buckle
NOTE: If the cable clamp looks like the following,
please select the appropriate through-hole according to
the diameter of the wire.
SENA/09HF/OQ
SENA/12HF/OQ
SENA/18HF/OQ
SENA/24HF/OQ
Model
number
Page 31
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