Johnson Controls HVWHP072B32S - Page 43

SM-18006
3-23
TROUBLESHOOTING
(B) Water Source Unit Information
Select that the water source unit number display only for Unit A (No.0).
When the selection is changed, press PSW3 (►) to move forward or PSW5 (◄) to move backward.
Select the water source unit number for menu selection.
Press PSW4 (▼) for detailed information of selected unit number.
Press PSW4 (▼) to move forward or PSW2 (▲) to move backward. The information is displayed
alternately as “Item” → “Details”.
Press PSW3 (►) or PSW5 (◄) to change the Water Source Combination Unit No. to display or to move
other Indication Group.
Item
7-Segment Display
Details
SEG2 SEG1
*1
1 Water Source Unit No. Water Source Unit No. Indication
2 Water Source Unit Capacity Water Source Unit Capacity Indication
3
Input/Output State of
W.S. Micro-Computer
Input/Output State of W.S. Micro-Computer Indication
Refer to Location of Push Switches and 7-Segment Display
4
Running Frequency of
Inverter Compressor MC1
Running Frequency of No.1 Compressor Indication [Hz]
5
Running Frequency of
Inverter Compressor MC2
*2
Running Frequency of No.2 Compressor Indication [Hz]
6
Total Number of
Running Compressor
Total Number of Running Compressor Indication
7
Water Source Unit Expansion
Valve MV1 Opening
Water Source Unit Expansion Valve MV1 Opening Indication
[%]
8
Bypass Expansion Valve
MVB Opening
Bypass Expansion Valve MVB Opening Indication [%]
9
INV Radiation Expansion
Valve MV3 Opening
INV Radiation Expansion Valve MV3 Opening Indication [%]
10
Plate HEX Expansion Valve
MV4 Opening
Plate HEX Expansion Valve MV4 Opening Indication [%]
11
High(Discharge) Pressure
(Pd)
[psi (MPa)]
*3
Indication of Pressure Sensor Open Circuit: 815 ( 5.62)
Indication of Pressure Sensor Short Circuit: -90 (-0.62)
12
Low(Suction) Pressure
(Ps)
[psi (MPa)]
*3
Indication of Pressure Sensor Open Circuit: 326 ( 2.25)
Indication of Pressure Sensor Short Circuit: -36 (-0.25)
13
Entering Water Temperature
(Ta)
[
o
F (
o
C)]
*3
Indication of Thermistor Open Circuit: -197 (-127)
Indication of Thermistor Short Circuit: 260 ( 127)
14
Discharge Gas Temperature
on the Top of Compressor
MC1 (Td1)
[
o
F (
o
C)]
*3
Indication of Thermistor Open Circuit: 32 ( 0)
Indication of Thermistor Short Circuit: 491 ( 255)
15
Discharge Gas Temperature
on the Top of Compressor
MC2 (Td2)
*2
[
o
F (
o
C)]
*3
Indication of Thermistor Open Circuit: 32 ( 0)
Indication of Thermistor Short Circuit: 491 ( 255)
16
Plate Heat Exchanger
Liquid Temperature (Te1)
[
o
F (
o
C)]
*3
Indication of Thermistor Open Circuit: -197 (-127)
Indication of Thermistor Short Circuit: 260 ( 127)
17
Plate Heat Exchanger
Gas Temperature (Tg)
[
o
F (
o
C)]
*3
Indication of Thermistor Open Circuit: -197 (-127)
Indication of Thermistor Short Circuit: 260 ( 127)
Display Details