Mitsubishi Electric M Series Manual page 182

WALL-MOUNTED Cooling Only/Fixed Speed Heat Pump
OUTDOOR UNIT INSTALLATION
INDOOR/OUTDOOR UNIT CONNECTING WIRE CON-
NECTION AND OUTDOOR POWER SUPPLY CORD
CONNECTION
•
Connect the indoor/outdoor unit connecting wire
on the terminal block.
•
For future servicing, give extra length to connecting wire.
Rated Voltage Breaker capacity Connect to the supply terminals and leave a contact
separation of at least 3 mm at each pole to disconnect
the source power pole. (When the power switch is
230 V 25 A
shut off, it must disconnect all poles.)
• Peel off both ends of connecting wire (extension
it is too long, cut the extra length off
wire). When
before peeling.
Peel off the covering of power supply wire to the
size as shown on the right.
• Be careful not to contact connecting wire with piping.
• Make earth wire a little longer than the others.
(more than 35 mm)
•
For the power supply cord and the indoor/outdoor unit connecting wires, be sure to
use the ones in compliance with the standards.
•
Be sure to push the core until it is hidden and pull each cable to make sure that
it is not pulled out. Incomplete insertion may cause a risk of burning the terminal
blocks.
Power supply cord 3-core 2.5 mm
Specification with Design 60245 IEC 57.
Indoor and Outdoor
Cable 2-core 1.0 mm
connecting wire
IEC 57.
Specification
• Never cut the power cord and connect it to other wires.
It may cause a fire.
Loosen terminal screw.
Lead wire
Terminal block
<Connection details>
Power supply cord K
• Use care not to make mis-wiring.
• Firmly tighten the terminal screws to prevent them from loosening.
• After tightening, pull the wires lightly to confirm that they do not move.
• If the connecting wire is incorrectly connected to the terminal block, the unit
does not operate properly.
Be sure to fix the indoor/outdoor unit
connecting wire and power supply
A
cord using this cord clamp.
K
Valve cover
Be sure to attach the service panel of the outdoor unit securely. If it is not attached
correctly, it could result in a fire or an electric shock due to dust, water, etc.
C-180
A from the indoor unit correctly
15 mm
35 mm
or more, in conformity
2
10 m or less
, in conformity with Design 60245
2
WARNING
3 N
Indoor terminal block
Indoor/outdoor unit
connecting wire
2-core 1.0 mm
3 N
L ~ N ~ Outdoor terminal block
CAUTION
Be sure to put the left
portion into the square
hole of the service panel.
Service panel
Fixing screws
Remove two fixing
screws to open the
service panel.
WARNING
TEST RUN
MS type
•
Before performing the test run, recheck any wrong wiring.
Wrong wiring prevents normal operation or results in blown fuse, which stops
operation.
•
The test run can be started by pressing EMERGENCY OPERATION switch. When
the EMERGENCY OPERATION switch is once pressed, the unit will start the test run
(continuous operation) for 30 minutes.
A thermostat does not work during this time. After 30 minutes the unit will start the
EMERGENCY OPERATION at a fixed temperature setting of 24°C in COOL MODE or
HEAT MODE.
•
Perform test run in the following procedure.
PROCEDURE
•
Press the EMERGENCY OPERATION switch.
Press it once, and after test run for 30 minutes the EMERGENCY COOL MODE starts.
Press it once more, and the operation stops.
(The operation mode changes in order of
OPERATION switch is pressed.)
Mode Operation Indicator lamp
1 COOL
(Light) (Off)
2 STOP
(Off) (Off)
MSH type
•
Before performing the test run, recheck any wrong wiring.
Wrong wiring prevents normal operation or results in blown fuse disabling operation.
•
The test run can be started by pressing EMERGENCY OPERATION switch. When
the EMERGENCY OPERATION switch is once pressed, the unit will start the test run
(continuous operation) for 30 minutes.
A thermostat does not work during this time. After 30 minutes the unit will start the
EMERGENCY OPERATION at a fixed temperature setting of 24°C in COOL MODE or
HEAT MODE.
•
Perform test run in the following procedure.
A
2
PROCEDURE
•
Press the EMERGENCY OPERATION switch.
Press it once, and after test run for 30 minutes the EMERGENCY COOL MODE starts.
If the left side lamp of the operation indicator blinks every 0.5 seconds, inspect the
indoor/outdoor unit connecting wire
Press it once more, and the EMERGENCY HEAT MODE starts.
Press it once more, and the operation stops.
(The operation mode changes in order of
OPERATION switch is pressed.)
Mode Operation Indicator lamp
1 COOL
(Light) (Off)
2 HEAT
(Off) (Light)
3 STOP
(Off) (Off)
•
In starting the heating operation, indoor unit fan may not operate to prevent blowing
cool air. Please wait for a few minutes until the temperature of heat exchanger rises
and warm air blows out.
MS type and MSH type
Checking the remote (infrared) signal reception
Press the ON/OFF button on the remote controller and check that an electronic sound is
heard from the indoor unit. Press the ON/OFF button again to turn the air conditioner off.
If the indoor unit is operated with the remote controller, both the
test run and the emergency operation are released by commands
from the remote controller.
•
Once the compressor stops, the restart preventive device operates so the compressor
will not operate for three minutes to protect the air conditioner.
M series
~ every time the EMERGENCY
EMERGENCY
OPERATION switch
for mis-wiring.
A
~ every time the EMERGENCY
EMERGENCY
OPERATION switch