Johnson Controls HVAHP036B21S - Heating Operation

OUTDOOR UNITS
TC-16001-rev.5
2-19
n
Heating Operation
Power to
O.U.: ON
Power to
O.U. PCB: ON
Power to CH : ON
Power to CH : OFF
Temp. at To p
of Compressor
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 Communication between
O.U. and I.U.
Start of Communication between
I.U. and Remote Control Switch
“HEAT” Indication
Set
Operation
Mode to
"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: To increase Set Temp.
Switch: To decrease 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.
Downward Angle of
Auto-Louver: Available
Power to
RVR : ON
After 30 sec.
Yes
No
Yes
No
No
(*)
(*) Refer to Service Manual for the timing diagram of the reversing valve.
Yes
Elapsed Time:
1 sec.
To 3
Heating
Operation
RUN Indicator Lights.
I.U. Air
Inlet
Temp.
Pd < 261 psi
(1.8MPa)
Elapsed Time
>3min.
Power to YH2 for 20 sec.
Press
RUN/STOP
Switch
for unit with drain pump
MIF Operation
at Slo Fan Speed
“HIGH (HIGH 2)”
Indication
Power to
Y52C : ON
Power to
CMC : ON
> 86
o
F
(30
o
C)
> 77
o
F (25
o
C) and
< 86
o
F (30
o
C)
< 77
o
F
(25
o
C)
> Set Te mp.
< Set Te mp.
I.U. : Indoor Unit
O.U. : Outdoor Unit
: Actuator (refer to Ta
ble 2.1)
MOF Operation: ON
MC Operation: ON
MD Operation: ON
< 86
o
F (30
o
C)
or
< Outdoor Temperature +45
o
F (+25
o
C)
> 86
o
F (30
o
C)
and
> Outdoor Temperature +45
o
F (+25
o
C)