Mitsubishi Electric CITY MULTI PUHY-P200YEM-A Service Handbook page 47

1
Classification Portion
¡
Transmission
line
™
£
¢
∞
§
¶
•
System set
1
2
3
4
Before starting
1
2
CENTRALLY CONTROLLED 1Hr.
ON OFF
D A I L Y
AUTO OFF
CLOCK
CHECK REMAINDER
STAND BY
˚C
DEFROST ERROR CODE NOT AVAILABLE
TEMP
ON OFF
CLOCK
2 3
PAR-F27MEA
TIMER SET
Check item
Limitation of transmission line length followed? For
example, 200m or less (total length : 500m) at the farthest.
2
1.25mm or more transmission line used?
(Remote controller 10m or less 0.75mm
2-core cable used for transmission line?
Transmission line apart from power source line by 5cm or more?
One refrigerant system per transmission line?
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.)
• No connection trouble in transmission line?
Connection of wrong remote controller line terminals?
• MA Remote controller : TB15
• M-NET Remote controller : TB5
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?
˚C
FILTER
CHECK MODE
TEST RUN
LIMIT TEMP.
ON/OFF
FILTER
CHECK TEST
2 )
- 46 -
CENTRALLY CONTROLLED 1Hr.
˚C
ON OFF
D A I L Y
AUTO OFF CLOCK
CHECK REMAINDER
STAND BY
˚C
ERROR CODE
DEFROST NOT AVAILABLE
TEMP
ON/OFF
CLOCK ON OFF
PAR-F27MEA
TIMER SET
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.
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.
FILTER
CHECK MODE
TEST RUN
LIMIT TEMP.
FILTER
CHECK TEST