Johnson Controls HVWHP072B32S - Page 44

3-24
SM-18006
TROUBLESHOOTING
*1: Water Source Unit No. is indicated on the one digit of "SEG1".
*2: Indication Item only for Water Source Unit 144MBH or more
*3: If Function Setting "Fd=1", indication unit is converted to [
o
C] or [MPa] from [
o
F] or [psi].
*4: The indicated current is reference value. Use a clamp meter for the accurate current value.
*5: To reset the accumulated operation time, press "PSW1+PSW3" for 5 seconds while
the accumulated data is indicated.
Item
7-Segment Display
Details
SEG2 SEG1
*1
18
Liquid Stop Valve
Temperature (Tchg)
[
o
F (
o
C)]
*3
Indication of Thermistor Open Circuit: -197 (-127)
Indication of Thermistor Short Circuit: 260 ( 127)
19
Subcooling Heat Exchanger
Temperature (Tsc)
[
o
F (
o
C)]
*3
Indication of Thermistor Open Circuit: -197 (-127)
Indication of Thermistor Short Circuit: 260 ( 127)
20 Inverter Temperature 1 [
o
F (
o
C)]
*3
21 Inverter Temperature 2
*2
[
o
F (
o
C)]
*3
22 Electrical Box Temperature
[
o
F (
o
C)]
*3
Indication of Thermistor Open Circuit: -197 (-127)
Indication of Thermistor Short Circuit: 260 ( 127)
23 Compressor MC1 Current
*4
INV1 Primary Current [A]
24
Compressor MC2 Current
*2,*4
INV2 Primary Current [A]
25
Accumulated Operation Time
of Compressor MC1
[10 Hours]
26
Accumulated Operation Time
of Compressor MC2
*2
[10 Hours]
27
Accumulated Operation Time
of Compressor MC1
(Resettable)
[10 Hours]
Accumulated operation time can be reset.
*5
28
Accumulated Operation Time
of Compressor MC2
(Resettable)
*2
[10 Hours]
Accumulated operation time can be reset.
*5
29
Cause Code of
Inverter Stoppage 1
Cause of INV Compressor MC1 Stoppage
Refer to Cause Code of Inverter Stoppage
30
Cause Code of
Inverter Stoppage 2
*2
Cause of INV Compressor MC2 Stoppage
Refer to Cause Code of Inverter Stoppage
Display Details