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PMGB0406B rev.1
49
21. Electrical Wiring
Ɣ
All electrical work must be done as outlined in this manual and in accordance with this manual.
Substandard work can result in
¿
re and damage to the unit.
Ɣ
Use speci
¿
ed cables between this product and units, and choose the cables correctly. If not, an
electrical shock or
¿
re may occur.
Ɣ
Do not open the service cover or access panel for this product without turning OFF the main power
supply. It can result in an electrical shock.
Ɣ
Turn OFF the main power switch of this product and the outdoor unit before attempting any electrical
wiring work or a periodical check is performed. If not, it will result in an electric shock or a
¿
re.
Ɣ
Check to ensure that the indoor fan and the outdoor fan have stopped before attempting any
electrical wiring work or for any scheduled electrical work that is being performed.
Ɣ
Tighten screws according to the following torque.
M3.5: 0.9 ft·lbs (1.2 N·m)
for 208V
for 208V
Connector
Connector
for 230V
for 230V
PCB1
PCN1
CN1
2
2
1
2
2
1
1
1
208V
208V
230V
230V
TF
TF
12V
12V
12V
12V
CN27
CN27
CN28
CN28
Connector
Connector
Figure 24. Electrical Wiring Diagram of Transformer (TF)
Ɣ
Check the item below before turning ON the main switch. In case the power source for the indoor
unit is 208V (nominal voltage), change the CN28 connector to CN27 of transformer (TF) in the
control box as shown in the
¿
gure below.
(Ins)DX-Kit̲4e-rev1.indd 49
(Ins)DX-Kit̲4e-rev1.indd 49
2016/11/25 15:32:55
2016/11/25 15:32:55