Johnson Controls (H, Engineering Manual

Page: 54 / 124

OUTDOOR UNITS
2-32
TC-16006
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Pd < 319 psi
(2.2MPa)
Elapsed Time
> 3 min.
Yes
Yes No
No
I.U. Air
Outlet Temp.
Permitting Downward
Airflow by Auto-Louver
only for Indoor Unit
with Auto-Louver
After 3 to 48 sec.
To 3
Heating
Operation
Higher than
Setting Temp.
(Thermo-OFF)
Lower than
Setting Temp.
(Thermo-ON)
I.U. Intake
Air Temp.
Press
RUN/STOP
Switch
RUN indicator lights.
Power to
I.U.: ON
Press
Temp. Switch
Set
Fan Speed
Set
Operation Mode
at "HEAT".
Power to
I.U. PCB: ON
only for Indoor Unit
with Auto-Louver Auto - louver
0 Reset
Low
High
Medium
Switch: Increasing Set Temp.
Switch: Decreasing Set Temp.
Airflow
Changeover
Switch
HEAT Indication
HIGH Indication
LOW Indication
Indication of Set Temp.
MEDIUM Indication
Start of Communication between
I.U. and O.U.
Start of Communication between
I.U. and Wired Controller
I.U.: Indoor Unit
O.U.: Outdoor Unit
PID Control for I.U.
and O.U. Electronic
Expansion Valve
MIF Operation at
SLo Fan Speed
MIF Operation at
SLo Fan Speed
MIF Operation at
Lo Fan Speed
MIF Operation at
Set Fan Speed
> 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)
Indoor Fan Stop