Section 4
Start-Up and Troubleshooting
5.0 Troubleshooting ...................................................... 21
5.1 General Troubleshooting........................................................................................21
5.1.1
Communications Troubleshooting Checklist.................................................21
5.1.2
General Troubleshooting Checklist ...............................................................22
5.2 Alarms......................................................................................................................23
5.3 Checking Comm. Loop Voltages.............................................................................24
5.3.1
Checking the CommLink II Network Loop ...................................................24
5.3.2
Checking the Comm Loop at the CommLink II ............................................25
5.3.3
Checking the CommLink II Driver ................................................................26
5.3.4
Checking the MiniLink Network Loop..........................................................27
5.3.5
Checking the MiniLink Network Driver........................................................28
5.3.6
Checking the MiniLink Local Loop...............................................................29
5.3.7
Checking the Local Loop at MiniLink...........................................................30
5.3.8
Checking the MiniLink Local Loop Driver ...................................................32
5.3.9
Checking the Local Loop at a WHP Controller .............................................33
5.3.10 Checking WHP Controller Driver Chip.........................................................34
5.4 Troubleshooting Loop Controller ..........................................................................35
5.4.1
Checking the Loop Controller Analog Inputs ................................................35
5.4.2
Checking the Loop Controller Outputs ..........................................................37
5.4.3
Checking the Local Loop at a WHP Loop Controller....................................38
5.4.4
Checking WHP Loop Controller Driver Chip ...............................................39
5.4.5
Comm Driver Chip Replacement...................................................................40
5.5 Temperature Sensor Resistance Chart ...................................................................41
5.6 Pressure Sensor Voltage Chart...............................................................................42
Notes: ............................................................................ 43
Table of Figures
Figure 4-1:
System Wiring Overview.............................................................................2
Figure 4-2:
Communications Loop Routing...................................................................3
Figure 4-3:
WHP Controller Component Layout ...........................................................5
Figure 4-4:
Typical WHP Controller Wiring Diagram...................................................8
Figure 4-5:
Loop Controller Inputs & Outputs .............................................................13
Figure 4-6:
Diagnostic LED Blink Codes.....................................................................14
Figure 4-7:
Diagnostic LED Blink Codes.....................................................................15
Figure 4-8:
Communications Loop Wiring ..................................................................18
Figure 4-9:
MiniLink Address Switch Setting.............................................................19
Figure 4-10:
WHP Controller Address Switch Setting...............................................20
Figure 4-11:
Comm Driver Chip Replacement............................................................40
Summary of Contents for Water Source Heat Pump
Page 1: ...WHP Water Source Heat Pump Design Installation Operations Manual Revision 02A...
Page 2: ......
Page 4: ......
Page 6: ......
Page 22: ...Section 1 WattMaster WHP 1 16 Design Guide Notes...
Page 48: ......
Page 80: ...Section 3 WattMaster WHP 3 32 Programming Notes...
Page 125: ...WattMaster WHP Section 4 Start Up and Troubleshooting 4 43 Notes...