Hitachi RPC-2.0FSR - Page 73

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