Mitsubishi Electric City Multi PQHY-P72 Service Handbook page 123

[ VI Refrigerant Circuit ]
Symbols
Part
(func-
name
tions)
LInear ex- LEV2
pansion
valve
Heater CH11
Crank-
case
heater
4-way 21S4a
valve
Notes Usage
Controls refrigerant flow of the in-
verter cooling heat exchanger
Heats the refrigerant in the com-
pressor
Changeover between heating
and cooling
- 114 -
Specifications
Opening of a valve driven by a
stepping motor 0-480 pulses
(Direct driven type)
Cord heater
AC208/230V
CH11:
928ohm 57W (230V)
AC208/230V
Dead: cooling cycle
Live: heating cycle
Check
method
Same with
indoor LEV
The resis-
tance val-
ue differs
from that
of the in-
door LEV.
(Refer to
the page of
LEV trou-
bleshoot-
ing.)
Resis-
tance
check
Continuity
check with
a tester