47
11
-1. Measurement of Insulation
Resistance
●
The insulation is in good condition if the resistance
exceeds 1M
Ω
.
11
-1-1. Power Supply Wires
Clamp the ground wire of the power supply wires with
the lead clip of the insulation resistance tester and
measure the resistance by placing a probe on either of
the power wires. (Fig.12-1)
Then measure the resistance between the ground wire
and the other power wire. (Fig.12-1)
11
-1-2. Outdoor Unit
Clamp a metallic part of the unit with the lead clip of the
insulation resistance tester and measure the resistance
by placing a probe on each terminal screw where power
supply lines are connected on the terminal plate.
(Fig.12-2)
11
-1-3. Measurement of Insulation
Resistance for Electrical Parts
Disconnect the lead wires of the desired electric part
from terminal plate, capacitor, etc. Similarly disconnect
the connector. Then measure the insulation resistance.
(Figs.12-3 and 12-4)
Refer to Electric Wiring Diagram.
If the probe cannot enter the poles because the hole is
too narrow then use a probe with a thinner pin.
Insulation
tester
Probe
Clip
Ground wire
Fig.12-1
Terminal plate
Copper
tube or
metallic part
Clip
Insulation
tester
Probe
Fig.12-2
Copper
tube or
metallic part
Clip
Insulation
tester
Probe
Fig.12-3
Clip
Insulation
tester
Probe
Metallic
part
From fan motor,
compressor and
other parts
Fig.12-4
11
. CHECKING ELECTRICAL COMPONENTS
NOTE
Содержание DKR5555C
Страница 20: ...GRV227M3C5 UNTIL31 12 2003 GRV340M3C5 FROM31 12 2003 5 2 ELECTRICWIRINGDIAGRAM SYSTEMWIRINGDIAGRAM 20...
Страница 21: ...GRV340M3C5 ELECTRICWIRINGDIAGRAM 21...
Страница 22: ...22 Outdoor Unit DKR5555C UNTIL 31 12 2002 Outdoor Unit DKR5555C FROM 01 01 2003...
Страница 23: ...23 Outdoor Unit DKR8585C UNTIL 31 12 2003 Outdoor Unit DKR8585C FROM 01 01 2003...