Space Pak ESP-3642J-V - Faults; Warnings

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Run Screen #4.
Run Screen #5.
Line 1 shows the Model and Size.
Line 2 shows the Unit type: Reverse Cycle Chiller, Heat
Pump, Cooling or Heating mode only, as well as the
Reversing valve setting, and the secondary heating water
coil if installed.
Examples
Unit Configuration: ESP model, size 3642J, horizontal [H]
unit, configured as heat pump with its revering valve set to
energize in cooling and a secondary hot water coil installed
Unit Configuration: ESP model, size 2430J, vertical [V] unit,
configured as a heat pump with its revering valve set to en-
ergize in heating and a secondary hot water coil installed
Unit Configuration: WCS model, size 3642J horizontal [H]
unit, configured as a reverse cycle chiller with its revering
valve set to energize in heating
FAULTS:
lFaults are flashed on the 2nd line on all run screens dur-
ing all operations.
Float switch fault: The condensate float switch is open.
Anti-frost fault: The primary coil has dropped below the
Anti-frost temperature setpoint.
Pressure transducer fault: The pressure transducer is has
failed.
Low pressure fault: The pressure transducer is reading
below 0.1” when the fan is running.
WARNINGS:
There are 10 warnings. The unit will continue to run dur-
ing these warnings:
1. OPEN COIL 1 – The coil 1 temperature sensor is open
2. SHORTED COIL 1 – The coil 1 temperature sensor is
shorted.
3. OPEN COIL 2 – The coil 2 temperature sensor is open
4. SHORTED COIL 2 – The coil 2 temperature sensor is
shorted.
5. OPEN LAT – The leaving air temperature sensor is
open
6. SHORTED LAT – The leaving air temperature sensor
is shorted.
7. COIL1 NOT FOUND – The coil 1 temperature sensor
not found at power up.
8. COIL2 NOT FOUND – The coil 2 temperature sensor
is expected, but not found at power up.
9. HWC DISABLE – The coil 2 sensor is recognized
although the secondary coil is [SEC HW COIL] is
disabled
10. DEFROST – The heat pump has entered defrost mode.
C
O
I
L
1
O
P
E
N
C
O
I
L
2
N
O
N
E
L
A
T
7
4
°
F
F
A
N
S
P
E
E
D
%
1
0
0
M
O
D
E
L
E
S
P
3
6
4
2
JH
H
P
O
H
W
C
M
O
D
E
L
E
S
P
2
4
3
0
JV
H
P
B
H
W
C
M
O
D
E
L
W
C
S
3
6
4
2
JH
R
C
C
O
S
T
A
N
B
Y
F
L
O
A
T
S
W
F
A
U
L
T
C
O
O
L
I
N
G
A
N
T
I
F
R
O
S
T
F
A
U
L
T
C
O
O
L
I
N
G
T
R
A
N
S
D
U
C
E
R
F
A
U
L
T
C
O
O
L
L
O
W
P
R
E
S
S
F
A
U
L
T