18
INSTALLATION OF POWER AND WIRING
5. Following the same wire colors and terminal references from the indoor unit, tightly
connect interconnecting wires to the outdoor unit terminal block per wiring diagram above.
NOTE: Crossing interconnecting wires will cause system malfunction and possible damage.
6. Tightly connect main power wires to outdoor unit terminal block per wiring diagram above.
7. Secure all wires inside wire clamp/strain relief. Verify wires are secure, not loose and no
external force on wires affects the connections at the terminals.
8. Replace service panel on right side of the outdoor unit.
9. Connect main power wires and conduit to unit disconnect switch box per manufacturer’s
instructions, National Electrical Code (NEC) and local electrical codes.
• Electrical Disconnecti
ng means must be provided and shall be located within sight and
readily accessible from the unit.
• Failure to follow this caution may result in equipment damage or improper operation.
• All wires running from the indoor to outdoor unit must comply with National Electrical
Code (NEC) and local codes.
• No wire should be allowed to touch refrigerant tubing, compressor or any moving parts.
• All
wires must be connected firmly to terminal block to avoid unit malfunction,
overheating and possible fire hazard.
Local codes may require a disconnect switch within sight of the indoor unit. Use a DFS Disconnect
Switch Accessory Kit (Part No: DFS-SWITCH-A) to break wires going to the N(1), 2, 3, terminals on
the indoor unit, as shown in the wiring diagram below:
CAUTION
CAUTION
17
INSTALLATION OF POWER AND WIRING
Step 8
Outdoor Unit Wire Connections
Disconnect all electrical power to unit including disconnects,
fuses and circuit breakers.
1. Remove the service panel on right side of the outdoor unit.
2. Insert interconnecting wires and main power wires
through the wire holes on conduit mounting bracket.
3. Secure main power conduit (and interconnecting wire
conduit, if required
) with locking nuts to conduit
mounting bracket.
4. Open wire clamp/strain relief and adjust wire lengths
or proper connections to the outdoor unit terminal block.
WARNING
Outdoor Unit
Indoor Unit
Cable Cross Board
Wire Hole
Outdoor Unit
Indoor Unit
Blue
N(1)
2
3
GND
N(1)
2
3
GND
N
2
L
GND
GND
L
N
Black
Brown
Grn/Yel
Interconnecting
Wires
Main Power
Wires
White
Black or Red
Grn/Yel
Blue
N(1)
2
3
GND
N(1)
2
3
GND
L1
2
L2
GND
GND
L2
L1
Black
Brown
Grn/Yel
Interconnecting
Wires
Main Power
Wires
Black
White
Grn/Yel
Wiring Diagram
9K and 12K BtuH
(115V Models)
Wiring Diagram
9K and 12K BtuH
(230V Models)
Wiring Diagram
18K to 36K BtuH
Blue
Black
Brown
Grn/Yel
N(1)
2
3
GND
N(1)
2
3
L1
L2
GND
Interconnecting
Wires
Black
White
Grn/Yel
Main Power
Wires
GND
L2
L1
Never break or interrupt the ground wire with a switch or disconnect device.
Outdoor Unit
Indoor Unit
Interconnecting
Wires
Disconnect Switch
TWD-0813-032 Neo install REV:Layout 1 9/27/13 12:15 PM Page 19
(2 Seiten)
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