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• Power supply specifications
Power supply cable
Circuit breaker
(Minimum capacity)
Model
name
Power
supply
Minimum power
cable supply
cables
1
Length
(m)
Leakage
current
breaker
(A)
Switch
(A)
Fuse
(A)
2
Control
Cable
Remote
Controller
Cable
Indoor unit 220V-240V~ 2 mm
2
100 15A 15A 15A 0.75 mm
2
0.5 ~ 2 mm
2
1. The maximum length shows a 2% voltage drop.
2. Use an unshielded bus transmission line.
CONNECTING THE WIRES TO THE CONTROL BOX
• Remove the mounting screw, remove the control box cover, and then connect the wires by following the
procedure given in the illustration.
11.9.8 SETTINGS
The automatic system settings can take up to 1 minute once power is supplied; do not operate the remote
controller during this time.
In the event that 1 remote controller group control is not used, do not set up the group control address (A/C No.).
The wired remote control will not display when the settings for the A/C No. are set to a value other than “01”.
Once the wires are connected to 1 remote controller group control and power is supplied to the indoor unit, the
A/C No. is automatically set. To stop group control use, follow the directions below and clear the A/C No. that was
automatically set after disconnecting the wires for group control. If it is not cleared then the wired controller will not
show any display.
• Instructions on clearing the A/C No. after automatic setup
Turn OFF the indoor unit power supply Using the DIP switch set the A/C No. to “16” Turn ON the power
supply of the indoor unit After approximately 1 minute, turn OFF the power supply to the indoor unit Set
the DIP switch for the A/C No. to “01”.
(The next time the power supply is turned ON, the A/C No. will be cleared.)
(Setting for 1 remote controller group control)
• A maximum of 16 indoor units can be connected at the time of group control. (Do not connect the heat pump unit
with the cooling only unit.)
• There are 2 methods for setting the group control address (A/C No.); an automatic and a manual setting method.
• The A/C No. setting cannot be confirmed when using the automatic method.
• To set each indoor unit’s A/C No., use the manual setting method.
However, if the wall type indoor unit is connected, then manual setting is not possible.
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