Use the Tests / Diagnostics features
NOTE − Test mode lasts for 30 minutes (with the temperature updating every 30 seconds) except for the defrost test, which lasts 30 seconds. Tests fea- ture provides the technician time to manually verify the equipment operation.
The tests feature is available after setup has been completed once. After you press next in the final setup screen, the
ure 18) will appear. (If you want you may skip tests; press skip tests.)
If you re−select the tests button from the full option screen (figure 17), a mes- sage to tart button below to begin system testing" appears. Press
start. The resulting screen will be identical to figure 18.
setup | tests | equipment | alerts | diagnostics |
press start button below to begin system testing
start
back
9:39 am Aug 15, 2012 | EXIT |
Figure 17. Start testing screen
To run all of the tests, press select all. All boxes in the list of tests will be checked. Or, touch box(es) next to test(s) to run certain tests.
After the tests have been started, the screen will describe which test is run- ning and shows a diagnostic summary of each test (see figure 19). After re- viewing the results and concluding that no further tests are needed, press next to proceed to next test. The technician must verify that the test proce- dure is producing the desired result at the equipment.
select tests to run |
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| |
Blower |
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| |
HP Heat − 1st Stage |
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HP Heat − 2nd Stage |
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Cooling − 1st Stage |
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Cooling − 2nd Stage | select all |
| |
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Dehumidification |
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Gas Heat − Minimum Rate | deselect all |
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Gas Heat − Maximum Rate | start | ||
| |||
Humidification |
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| |
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| skip tests | |
9:39 am Aug 15, 2012 |
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Figure 18. Select tests to run screen
setup | tests | equipment | alerts | diagnostics |
| current test: Blower |
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| |
Check Blower Operation |
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Heating Rate |
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| % |
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Blower CFM Demand |
| 1400CFM |
| |
Blower Off Delay |
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| Off |
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Blower On Delay |
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| Off |
|
Indoor Blower RPM |
| 0 |
| |
Indoor Blower Power |
| 0.0000% |
| |
|
|
|
| |
Flame Current |
|
| 0.000mA |
|
Flame Sense |
|
|
| |
|
| No Flame |
| |
Outdoor Temperature |
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| ||
| 63ºF |
| ||
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| cancel | next |
9:39 am Aug 15, 2012 |
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Figure 19. Typical tests results screens
Page 19 | icomfort |
