Carrier NaturaLINE 69NT40-601 User manual

Container Refrigeration
ANNUAL INSPECTION
For
NaturaLINE 69NT40-601
Container Refrigeration Units
62-12119

ANNUAL INSPECTION
For
NaturaLINE 69NT40-601
Container Refrigeration Units
© 2019 Carrier Corporation ● Printed in USA September 2019

1 62-12119
TABLE OF CONTENTS
PURPOSE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
TOOLS REQUIRED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
WARNINGS AND NOTES . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
UNIT NAMEPLATE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
REAR OF UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
FRONT OF UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
OPERATIONAL INSPECTION . . . . . . . . . . . . . . . . . . . . . . . 19
APPENDIX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

1 62-12119
PURPOSE
This annual maintenance manual has been written to assist owners and
operators of Carrier Transicold Container equipment in obtaining the
maximum operating life from the equipment. It is recommended that all
units are serviced with these procedures annually to obtain maximum
operating time from the equipment.
This manual is to be used in conjunction with the operations & service
manuals supplied with the equipment. Reference is made throughout
these pages to the operations & service manuals, which are posted
electronically on the Carrier Transicold Container website:
http://www.container.carrier.com/
Once at the website, under SERVICE & SUPPORT, click on Literature.
Then, use the DOCUMENT FINDER to locate the manual.

62-12119 2
TOOLS REQUIRED
• Wrench Set
• Screwdrivers: Flat, Phillips, and Pozi-Drive
• Torque Wrench and Sockets
• CO2 Refrigerant Leak Detector (07-00529-00)
• CO2 Refrigeration Gauge Set (07-00527-00)
• Fin Combs (8 and 16 Fins per Inch)
• Megohm Meter
• Multimeter
1. Before opening any panels for inspection or replacing any
electrical component in the system, apply the Lock Out / Tag
Out procedure:
a. Turn the unit off.
b. Open the unit circuit breaker (CB1).
c. Unplug the unit from main power.
d. Apply a locking device to ensure the system cannot be
plugged in during the maintenance procedure.
2. Carrier Transicold recommends wearing the appropriate
safety equipment such as safety glasses, gloves, etc.
whenever working on refrigeration equipment. Personnel
should be aware of the dangers inherent in servicing
equipment and assure they hav e read the relevant
operations and service manual for any unit.
3. To prevent damage to aluminum, it is recommend to use low
pressure fresh water cleaning.
4. All local requirements for recovery and safe disposal of
refrigerants and oils must be followed.
5. If any leak repair is made on the unit, it MUST be leak tested
using the CO2 leak detector and full refrigerant charge on the
system.
WARNINGS AND NOTES
!

3 62-12119
UNIT NAMEPLATE
The unit nameplate provides the unit model number, parts identification
number (PID) and serial number. The Pressure Equipment Directive
(PED) Compliance Label is located near the nameplate.
Container Refrigeration System
Fluid Group 2 (R744)
Max Allowable Pressure
Min Temp
Max Temp
PRV Set Pressure
Test Pressure
Units LS MS HS
Bar
Bar
Bar
C
C
89.6 108.2 150.9
-40
65 135
89.6 108.2 150.9
129 129 171
xxxx
Carrier Transicold Pte Ltd
251 Jalan Ahmad Ibrahim
Singapore 629146
Date of Manufacture:Model Number
Parts ID Number:
Serial Number:
Voltage:
Dry Wt: Refrig:
Charge:
Phase: Hertz: Max Amp Draw:
Net Refrigeration Capacity: Interior Temperature: Ambient Temperature:
Item:
Basic Unit:
Fan Motors:
Compressor:
Months:
Warranty Period From Date In Service In Accordance With 62-02439-01
Except As Noted
Warranty Number: xxxxxxxxx
MADE IN SINGAPORE
Place Date Label Here
380/460 3 50/60 25
20500
32000
BTU/HR
BTU/HR
Watts
Watts
at
at
0 F / -17.8 C
35 F / 1.7 C
100 F / 37.8 C
100 F / 37.8 C
10.0 LB
4.53 KG R-744
5995
9358
69NT40-601-xxx
NTxxxx
xxxx LB
xxxx KG
xx
xx
xx
Pressure Equipment Directive (PED)
Compliance Label
Unit Nameplate
• Model #, PID, Serial #

62-12119 4
REAR OF UNIT
1. Remove the back access panel on the back of the unit to
gain access to the evaporator components.
2. Evaporator Coil. Refer to Figure 1.
a. Clean with low pressure water. If the evaporator coil is noted
to have green patina or white powder, it is recommended to
wash the coil with cleaner P/N NU4371-88.
Refer to the TechLINE December 2010 issue for
Evaporator Section Cleaning.
b. Straighten any fin damage using the correct fin comb (8 fins
per inch).
c. Check for any signs of leaks or corrosion and repair / replace
as necessary.
NOTE
For certain cargos exposed to fumigation, it is recommended
after the trip to carefully wash all internal parts in the evapo-
rator section to avoid potential corrosion.
Figure 1 Evaporator Coil
3. Evaporator Motor and Stator. Refer to Figure 2.
a. Slowly spin the evaporator fan blade and feel for any signifi-
cant bearing drag. Replace the bearing if it is bad.
b. Check that the evaporator motor clamp brackets are secured.
If not accessible, refer to step 17.