JOHNSON CONTROLS
139
SECTION 7 – UNIT CONTROLS
FORM 150.72-ICOM6
ISSUE DATE: 08/03/2022
7
L E A V I N G L I Q U I D T E M P
C U T O U T = X X X . X ° F
Displays the Leaving Liquid Temp. Cutout pro-
grammed.
F A N C O N T R O L O N
P R E S S U R E = X X X P S I G
Displays the programmed Fan On Pressure.
F A N D I F F E R E N T I A L O F F
P R E S S U R E = P S I G
Displays the programmed Fan Off Differential.
S Y S 1 T R I P V O L T S
= X . X V O L T S
Displays the programmed High Current Trip Voltage.
S Y S 2 T R I P V O L T S
= X . X V O L T S
Displays the programmed High Current Trip Voltage.
Y
O
R
K H Y D
R
O
K I T P U
M
P S = X
Indicates the Pump Control option is selected.
L C H L T = X X X . X ° F
R C H L T = X X X . X ° F
Displays the Leaving and Return chilled Liquid Tem-
perature at the time of the fault.
S E T P O I N T = X X X . X ° F
R A N G E = + / - ° F
Displays the programmed Setpoint and Range, if the
chiller is programmed for leaving chilled liquid control.
S E T P O I N T = X X X . X ° F
R A N G E = + X X . X ° F
Displays the programmed Setpoint and Range, if the
chiller is programmed for return chilled liquid control.
A M B I E N T A I R T E M P
= X X X . X ° F
Displays the Ambient Temp. at the time of the fault.
L E A D S Y S T E M I S
S Y S T E M N U M B E R X
Displays which system is in the lead at the time of the
fault.
E V A P O R A T O R H E A T E R
S T A T U S I S X X X
Displays status of the Evaporator Heater at the time of
the fault.
E V A P O R A T O R W A T E R
P U M P S T A T U S X X X X
Displays status of Evaporator Water Pump at the time
of fault. Status may read ON, OFF or trip.
E V A P P U M P T O T A L R U N
H O
U
R S = X X X X
Evap Pump total run hours at the time of fault.
A C T I V E R E M O T E C T R L
X X X X
Displays whether Remote Chiller Control was active
when the fault occurred.
S Y S X C O M P S T A T U S
1 = X X X 2 = X X X 3 = X X X
Displays which Compressors were running in the sys-
tem when the fault occurred.
S Y S X R U N T I M E
X X - X X - X X - X X D - H - M - S
Displays the system run time when the fault occurred.
S Y S X S P = X X X X P S I G
D P = X X X X P S I G
Displays the system Suction and Discharge Pressure of
the time of the fault.
S Y S X S U C T = X X X . X ° F
S A T S U C T = X X X . X ° F
Displays the System Suction Temp and Saturated Suc-
tion Temp when an EEV is installed.
