Mitsubishi Electric PURY-100TMU, Service Handbook

Page: 27 / 121

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Classification
Transmission
line
Portion Check item
1
Limitation of transmission line length followed? For example,
200m (656ft) or less (total length : 500m (1640ft)) at the farthest.
2
1.25mm 2 (AWG16) or more transmission line used?
(Remote controller 10m (32ft) or less 1.25mm 2 (AWG16))
3
2-core cable used for transmission line?
4
Transmission line apart from power source line by 5cm (2in) or more?
5
One refrigerant system per transmission line?
6
The short circuit connector is changed form CN41 to
CN40 on the MAIN board when the system is centralized
control? (Just one outdoor unit. Not all outdoor units.)
7
• No connection trouble in transmission line?
8
Connection of wrong remote controller line terminals?
• MA Remote controller : TB15
• M-NET Remote controller : TB5
Trouble
Erroneous operation, error stop.
Erroneous operation, error stop.
Error stop in case multiple-core
cable is used.
Erroneous operation, error stop.
Not operate.
Not operate.
Error stop or not operate.
Never finish the initial mode.
System set
Before starting
Error stop or not operate.
Can not be properly set with power
source turned on.
Not operate.
Set temperature not obtained at
heating operations (Thermostat
stop is difficult)
Error stop.
Error stop, compressor trouble.
1
2
1
2
3
4
Address setting properly done? (M-NET Remote
controller, indoor unit and outdoor unit.)
Setting of address No. done when shutting off power
source?
Address numbers not duplicated?
Turned on SW3-8 on indoor unit circuit board when
mounting room thermistor sensor?
Refrigerant piping ball valve (Liquid pressure pipe, gas
pressure pipe) opened?
Turn on power source 12 hours before starting operations?
2 3 1
SET TEMP. ON/OFF
PAR-F27MEA-US
FILTER
CHECK TEST
CLOCK ON OFF MODE
DRY COOL
DAILY TIMER
CHECK
AUTO
ON CLOCK
SET TEMP. REMAINDER
NOT AVAILABLE
SENSOR
INSIDE
FILTER
TEST RUN
VENTILATION
EROR CODE
AUTO
OFF
CENTRALLY CONTROLLED
AUTO FAN
HEAT
STAND BY
DEFROST
FAN
SPEED
TIMER FAN SPEED
LOUVER VENTILATION
AIR DIRECTION
TIMER SET
SET TEMP. ON/OFF
PAR-F27MEA-US
FILTER
CHECK TEST
CLOCK ON OFF
MODE
DRY COOL
DAILY TIMER
CHECK
AUTO
ON CLOCK
SET TEMP. REMAINDER
NOT AVAILABLE
SENSOR
INSIDE
FILTER
TEST RUN
VENTILATION
EROR CODE
AUTO
OFF
CENTRALLY CONTROLLED
AUTO FAN
HEAT
STAND BY
DEFROST
FAN
SPEED
TIMER FAN SPEED
LOUVER VENTILATION
AIR DIRECTION
TIMER SET