Thermo King 098203, Руководство по обслуживанию

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Main Menu
93
HEATER TEST
SUP RET EVA
1.3C 1.0C 1.3C
5.2A 5.1A 5.2A
Electric heaters are turned on.
Amp draw is measured to the
expected amp draw, in respect
to voltage and frequency
•
4.4 Amps approx. at 400V;
•
5.1 Amps approx. at 460V.
Heater amperes are recorded in
PTI log.
10, 11 5 seconds X X X
DEFROST TEST
SUP RET EVA
5.0C 12.0C 15.0C
5.2A 5.1A 5.2A
If evaporator temperature is
below +10C, heater remains on
until evaporator temperature is
above +18C.
Defrosting until Eva. > 18C/64F
20 0-90
Minutes at
voltage
above 440V
0-120
Minutes at
voltage
below 440V
X X -
TEMPERATURE
STABILISATION
With evaporator fan on high
speed awaiting the supply, return
and evaporator temperatures to
stabilize.
Delta SUP-RET and Delta
RET-EVA must be stable, within
7 seconds.
Awaiting temperature stability
None 20 to 180
seconds
X X -
PRE HEAT TEST
SUP RET EVA
5.1C 5.0C 5.1C
2.3A 2.1A 2.3A
Test is skipped if return air tem-
perature is at 5degC or above.
With electric heaters turned on
and evaporator fan on high
speed, the test will end when
return air temperature is at
5degC or above.
Heating until 5C/41F
None Instant to 2
hours
X X -
PRE COOL TEST
SUP RET EVA
5.1C 5.0C 5.1C
2.3A 2.1A 2.3A
If the return air temperature is
below 15C (68F) the test is
skipped. Unit operates in cool
until the return sensor is less
then +15C (59F) or 1 hour
Cooling until 15C/59F
None Instant to 2
hours
X X -
VENTILATING
If heater or compressor has been
running in the preceding test,
the unit is ventilated with
evaporator fan on high speed.
Ventilating
None 60 seconds X X X
Display* Description Possible
Alarms
Duration
(Time)
PTI Brief
PTI
Function
Test