4-1
T-294-01
SECTION 4
OPERATION
4.1 PRE-TRIP INSPECTION (Before Starting)
WARNING
Beware of unannounced starting of the
evaporator and condenser fans.
a. If container is empty, check inside for the
following:
1. Check channels or “T” bars on floor for cleanliness.
Channels must be free of debris for proper air
circulation.
2. Check container panels, insulation and door seals
for damage. Effect permanent or temporary repairs.
3. Visually check evaporator fan assembly clamp
bolts for proper securement (refer to section 6.16).
4. Check for dirt or grease on evaporator fan or fan
deck and clean if necessary.
5. Check evaporator coil for cleanliness or
obstructions. Wash with fresh water.
(Refer to section 6.14.)
6. Check defrost drain pans and drain lines for
obstructions and clear if necessary. Wash with fresh
water.
7. Check panels on refrigeration unit for loose bolts
and condition of panels. Make sure T.I.R. devices
are in place on access panels.
b. Check condenser coil for cleanliness. Wash with
fresh water. (Refer to section 6.18.)
c. Check position of fresh air makeup vent cover.
Operator must determine if fresh air makeup vent
cover is to be opened or closed.
d. Open control box door. Check for loose electrical
connections or hardware.
e. Check color of moisture-liquid indicator.
f. Check oil level in compressor sight glass.
g. Start refrigeration unit. (Refer to section 4.3.)
4.2 STARTING AND STOPPING INSTRUCTIONS
CAUTION
Make sure that the unit circuit breaker(s)
(CB-1 & CB-2) and the start-stop switch
(ST) are in the OFF position before
connecting to any electrical power source.
a. Starting the Unit
NOTE
The evaporator fans will always start in high
speed regardless of set point and will switch to
low speed after approximately 20 to 30 seconds
if the set point is below --10
_
C (+14
_
F), or
--5
_
C (+23
_
F) optionally.
1. Refer to Pre-Trip Inspection, section 4.1.
2. Check power source for proper voltage. Connect
unit power plug and turn main power ON.
3. Turn refrigeration unit circuit breaker(s), and the
start-stop switch to ON (position “1”).
4.
Units equipped with the integrated DataCORDER:
Trip start is initiated by depressing the ALT.
MODE key and selecting Code dc30, then
depressing the
ENTER
key for five seconds.
5. Refer to section 4.3 after unit is running.
b. Stopping the Unit
Turn the start-stop switch (ST) to position “0” (OFF
position).
4.3 AFTER STARTING INSPECTION
a. Check rotation of condenser and evaporator fans.
b. Check compressor oil level. (Refer to section 6.11.)
c. Run unit at least five minutes to stabilize. Start
controller Pre-Trip diagnostics.
(Refer to section 3.2.)
Downloaded from
