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14
Wiring diagrams
R
W
1
1 st STAGE
24 VAC
HEATING
C
L
24 VAC
SYSTEM
COMMON
MONITOR
Figure 3
NOTE
!
When presented with 24VAC on "L" ter-
minal, the "Alarm" icon will flash on the
display.
Electronic Wiring
Follow ordinance of your governmental organi-
zation for technical standard related to electri-
cal equipment, wiring regulations and guid-
ance of each electric power company.
WARNING
!
• Be sure to have authorized electrical en-
gineers do the electric work using spe-
cial circuits in accordance with
regulations and this installation manual.
If power supply circuit has a lack of ca-
pacity or electric work deficiency, it may
cause an electric shock or fire.
Use round crimp-style terminals for connect-
ing wires to the terminal block.
Attach insulation sleeve
Round crimp-style terminal
Y
Y
1
2
1 st STAGE
2 nd STAGE
COOLING
COOLING
G
W
2
FAN CONTROL
2 nd STAGE
CIR CUIT
HEATING
Electric wire
CAUTION
!
• The circuit diagram is not subject to
change without notice.
• Be sure to connect wires according to
the circuit diagram.
• Connect the wires firmly, so that not to
be pulled out easily.
• Connect the wires according to color
codes by referring the circuit diagram.
CAUTION
!
• Provide a circuit breaker between power
source and the unit as shown below.
Main power source
Air
Conditioner
CAUTION
!
• The power cord connected to the out-
door unit(Main Power supply cable)
should be complied with the following
specifications (Cable type approved by
HAR or SAA).
Cable Type
Circuit Breaker
Use a circuit breaker
or time delay fuse.
H07RN-F
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