Hitachi RPC-1.5FSR Technical Catalogue page 73

n Heating Operation
Power to Power to
O.U.: ON O.U. PCB: ON
Power to Power to
I.U.: ON I.U. PCB: ON
Set
Operation
Mode at
"HEAT"
HIGH
(HIGH 2)
Press
Fan Speed
Switch
Press
Temp. Setting
Switch
Power to YH2 for 20 sec.
Press
RUN/STOP
Switch
Heating
Operation
MIF Operation
at Slo Fan Speed
To 3
TCI-20007-rev.1
Temp. at Top
of Compressor
MED
Fan Speed
Switch
LOW
Switch: Increasing Set Temp.
Switch: Decreasing Set Temp.
A
< Set Temp.
I.U. Air Power to
-1 C
o
Intake Y52C or
Temp.
RY
> Set Temp.
+2 o C
After
30 sec.
Power to
Y21 : ON
After
3 to 48 sec.
MIF Operation
at Slo Fan Speed
(with Thermo-OFF:
Low Fan Speed)
MIF Operation at
Low Fan Speed
< 75 o C
> 75 o C
Auto-Louver only for indoor unit
0 Reset with auto-louver
Power to
CMC : ON
: ON
1
Power to
RVR : ON
< 25 o C
25 o C to 29.9
CONTROL SYSTEM
I.U.: Indoor Unit
O.U.: Outdoor Unit
Power to CH : ON
Power to CH : OFF
Start of Transmission between
O.U. and I.U.
Start of Transmission between
I.U. and Wired Controller
HEAT Indication
HIGH (HIGH 2)
LOW Indication
Indication
of Set Temp.
MD Operation: ON
for unit with drain pump
RUN Indicator Lights.
Yes
Elapsde Time:
MC Operation: ON
1 sec.
No
MOF Operation: ON
Power to Y52H : OFF
MIF Operation
at Set Fan Speed
I.U. Air
> 30 o C
Outlet
Temp.
Permitting Downward
Air Flow by Auto-Louver
only for indoor unit
with auto-louver
o C
Indication
MEDIUM
Indication
1-63