Mitsubishi Electric PURY-P72 Service Handbook page 158

[VII Control]
(3) Be controller (cooling only, heating only, cooling main and heating main modes)
1- - - - - - - - - - - - - - -
I
I
I
t
1. Determination of operation mode
(Cooling only, Heabng only, Mixture
of units in cooling and heabng)
2. Transmitted to the outdoor un~
Fan
Solenoid valves OFF
LEV Fully closed
Normal operation
- - - - Error
Unit in the stopped state
Note 1. The system may go into the error mode on either the indoor unit side or the BC controller or outdoor
unit side. If some of the indoor units are experiencing a problem, only those indoor units that are
experiencing the problem will stop. If the BC controller or the outdoor unit is experiencing a problem,
all the connected units will stop.
HWE0803A
- 148-
GB