T-354
4–28
P5-0
Supply/Return
Probe Test
Setup:
The High Speed Evaporator Fan is turned on and run for eight minutes,
with all other outputs de-energized.
Pass/Fail Criteria:
A temperature comparison is made between the return and
supply probes.
NOTE
If this test fails, “P5-0” and “FAIL” will be displayed. If both Probe tests (this
test and the PRIMARY/ SECONDARY) pass, the display will read “P5”
“PASS”.
P5-1
Supply Probe Test
Requirements:
For units equipped with secondary supply probe only.
Pass/Fail Criteria: The temperature difference between primary and secondary
probe (supply) is compared.
NOTE
If this test fails, “P5-1” and FAIL will be displayed. If both Probe tests (this and
the SUPPLY/ RETURN TEST) pass, because of the multiple tests, the display
will read 'P 5' 'PASS'.
P5-2
Return Probe Test
Requirements:
For units equipped with secondary return probe only.
Pass/Fail Criteria:
The temperature difference between primary and second-
ary probe (return) is compared.
NOTES
1. If this test fails, “P5-2” and “FAIL” will be displayed. If both Probe tests (this
test and the SUPPLY/ RETURN) pass, because of the multiple tests, the
display will read “P 5,” “PASS.”
2. The results of Pre-Trip tests 5-0, 5-1 and 5-2 will be used to activate or
clear control probe alarms.
P5-10
Humidity
Sensor Controller
Configuration
Verification Test
Requirements:
Test P5-9 must pass before this test is run.
Test is skipped if controller is not configured for the humidity sensor and the
voltage is less than 0.20 volts.
Pass/Fail Criteria:
Passes if controller configuration has the humidity sensor
in stalled. Fails if controller is not configured for humidity sensor and the voltage
is greater than 0.20 volts.
P5-11
Humidity Sensor
Installation
Verification Test
Requirements:
Test P5-10 must pass before this test is run.
Pass/Fail Criteria:
Passes if voltage is greater than 0.20 volts for the humidity
sensor. Fails if voltage is less than 0.20 volts for the humidity sensor.
P5-12
Humidity Sensor Range
Check Test
Requirements:
Test P5-11 must pass before this test is run.
Pass/Fail Criteria:
Passes if the voltage for the humidity sensor is between
0.66 volts and 4 volts. Fails if voltage is outside of the 0.66 volt to 4 volt range.
P-6
Not Applicable
P6-0
Compressor On
Setup:
A current draw test is performed before the compressor is started. The
compressor is started. SMV is opened and another current draw test is per
formed.
Pass/Fail Criteria:
Passes if the change in compressor current draw is within
the specified range.
P6-H & P6L
Not Applicable
Table 4–7 Controller Pre-Trip Test Codes (Continued)
CODE
TITLE
DESCRIPTION
Содержание 69NT40-541-306
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