Electric Wiring Work - Daikin Sky Air B-Series R-410A Service Manual

Field Piping and Wiring
Note: 1. All transmission wiring except for the remote controller wires is polarized and must match the
2. In case of group control, perform the remote controller wiring to the master unit when
3. For group control remote controller, choose the remote controller that suits the indoor unit
4. When controlling the simultaneous operation system with 2 remote controllers, connect it to

1.3.4 Electric Wiring Work

• All field supplied parts and materials and electric works must conform to local codes.
• Use copper wire only.
• For electric wiring work, refer to also "1.3.3. Wiring Example" on page 49 attached to the unit
• For remote controller wiring details, refer to the installation manual attached to the remote
• All wiring must be performed by an authorized electrician.
• A circuit breaker capable of shutting down power supply to the entire system must be
• Refer to the installation manual attached to the outdoor unit for the size of power supply
• Be sure to ground the air conditioner.
• Do not connect the ground wire to gas pipes, water pipes, lightning rods, or telephone
• Specifications for field wire
Table 3
Note: 1. Shows only in case of protected pipes. Use H07RN-F in case of no protection. (Sheath
2. Use double insulated wire for remote controller (Sheath thickness: 1mm or more) or run
3. This length shall be the total extended length in the system of the group control.
• Even if the top or rear penetration lid is removed, pull the remote controller cord and the
Caution
• Pass conduits through the wall and secure along with the refrigerant piping in order to
• Prevent dust from entering into the unit by filling the gap between the conduits and the
• Arrange the wires and fix a lid firmly so that the lid does not float during wiring work.
• Do not clamp remote controller cord together with wiring between units together. Doing so
• Remote controller cord and wiring between units should be located at least 50 mm from other
50
terminal symbol.
connecting to the simultaneous operation system. (wiring to the slave unit is unnecessary)
which has the most functions (as attached swing flap)
the master unit. (wiring to the slave unit is unnecessary)
body.
controller.
installed.
electric wire connected to the outdoor unit, the capacity of the circuit breaker and switch, and
wiring instructions.
ground wires.
• Gas pipes: might cause explosions or fire if gas leaks.
• Water pipes: no grounding effect if hard vinyl piping is used.
• Telephone ground wires or lightning rods: might cause abnormally high electric potential
in the ground during lighting storms.
Wiring between units
Remote controller cord
thickness: 1mm or more)
wires through a wall or conduit so that the user cannot come in contact with them.
wiring between units inside the unit using conduits for each, so that the wiring does not come
into contact with the opening section of the metal casing.
prevent external pressure being applied to the remote controller cord and wiring between
units.
penetration lid (top or rear) with corking or putty.
may cause malfunction.
electric wires. Not following this guideline may result in malfunction due to electrical noise.
Wire
H05VV - U4G
(NOTE 1, 3)
Vinyl cord with sheath or cable
(2 wires) (NOTE 2)
Si21-205
2
Size (mm ) Total Length
2.5 Max. 200 m
Max. 500 m
0.75 - 1.25
(NOTE 3)
Field Piping and Wiring