Johnson Controls (H, Engineering Manual

Page: 52 / 124

OUTDOOR UNITS
2-30
TC-16006
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Power to
I.U.: ON
Press
TEMP. Switch
Power to
I.U. PCB: ON
only for Indoor Unit
with Auto-Louver Auto - louver
0 Reset
Start of Communication between
I.U. and O.U.
Start of Communication between
I.U. and Wired Controller
ON
(Lower than Activation Level)
OFF
(Higher than Activation Level)
Set
Operation Mode
at “DRY”.
I.U.: Indoor Unit
O.U.: Outdoor Unit
MD Operation: ON
DRY Indication
Indication of Set Temp.
Switch: Increasing Set Temp.
Switch: Decreasing Set Temp.
Float Switch
Press
RUN/STOP
Switch
to 2
PID Control for I.U.
Electric Expansion Valve
Higher than
Set Temp.
(Thermo-ON)
Lower than
Set Temp.
(Thermo-OFF)
I.U. Air
Intake
Temp.
Outdoor
Temp.
DRY Operation
3 min.
Yes
No
RUN indicator lights.
MIF Operation at Low Fan Speed
MIF Operation at SLo Fan Speed
MIF Operation at Low Fan Speed
for Unit with Drain Pump
≤ -14°F
(-10°C)
> -14°F
(-10°C)