Operation Flow Chart - Mitsubishi Electric PUHY-RP200 Service Handbook

[ VII Control ]

[3] Operation Flow Chart

1. Mode determination flowchart
(1) Indoor unit (cooling, heating, dry, fan mode)
Start
Breaker
turned on
Operation SW
turned on
1. Protection function
self-holding cancelled.
2. Indoor unit LEV fully closed.
Remote controller
display lit off
YES
Auxiliary heater
1. Auxiliary heater OFF FAN stop
2. Low fan speed for
1 minute
YES
Drain pump
3-minute
drain pump ON
*Note 1. Indoor unit LEV fully closed : Opening 41.
*Note 2. The system may go into the error mode on either the indoor unit or the outdoor unit side. If some of the indoor units are
experiencing a problem (except water leakage), only those indoor units that are experiencing the problems will stop.
If the outdoor unit is experiencing a problem, all connected indoor units will stop.
*Note 3. The operation will be prohibited when the set cooling/heating mode is different from that of the outdoor unit.
HWE10130
NO
YES
From outdoor unit
1
YES
NO
*Note 1
*Note 2
Error mode
YES
Error stop
ON
NO
Error display
Self-holding of
protection function
Error command
to outdoor unit
ON
Indoor unit LEV
NO
fully closed.
*Note 1
NO
Cooling mode Heating mode
Cooling display Heating display
*Note 3 *Note 3
YES YES
Prohibition Prohibition
NO NO
Refer to 2-(1) Refer to 2-(2)
Cooling operation. Heating operation.
Prohibition
"Blinking display on
the remote controller"
Operation command to outdoor unit (to 2 )
- 107 -
Normal operation
Error
Unit in the stopped state
Operation mode
Dry mode
Dry display
*Note 3
YES
Prohibition
NO
Refer to 2-(3)
for dry operation.
Fan mode
Fan display
Fan operations
GB